THORLABS-LOKO

THORLABS DSC1 Compact Digital Servo Controller

THORLABS-DSC1-Compact-Digital-Servo-Controller-PRODUCT-IMAGE

Litlhaloso:

  • Lebitso la Sehlahisoa: DSC1 Compact Digital Servo Controller
  • Tšebeliso e khothalelitsoeng: Ka li-photodetectors tsa Thorlabs le li-actuator
  • Li-Actuator tse tsamaellanang: Piezo ampli-lifiers, bakhanni ba laser diode, balaoli ba TEC, li-modulators tsa electro-optic
  • Ho lumellana: matšoao a CE/UKCA

Litaelo tsa Tšebeliso ea Sehlahisoa

Selelekela

Tšebeliso e reriloeng: DSC1 ke molaoli oa servo o sebetsang oa dijithale o etselitsoeng tšebeliso ea laboratori ka kakaretso lipatlisisong le indastering. DSC1 e lekanya voltage, e kopanya lets'oao la maikutlo ho latela algorithm e khethiloeng ke mosebelisi, 'me e hlahisa molumotage. Sehlahisoa se ka sebelisoa feela ho latela litaelo tse hlalositsoeng bukeng ena. Tšebeliso efe kapa efe e 'ngoe e tla etsa hore waranti e se ke ea sebetsa. Boiteko bofe kapa bofe ba ho hlophisa bocha, ho arola likhoutu tsa binary, kapa ho fetola litaelo tsa mochini oa feme ho DSC1, ntle le tumello ea Thorlabs, ho tla etsa hore tiisetso e se sebetse. Thorlabs e khothaletsa ho sebelisa DSC1 ka li-photodetectors tsa Thorlabs le li-actuator. Exampli-actuator tsa Thorlabs tse loketseng hantle ho sebelisoa le DSC1 ke Thorlabs' piezo. ampli-lifiers, li-driver diode tsa laser, li-controller tsa thermoelectric cooler (TEC), le li-modulator tsa electro-optic.

Tlhaloso ea Litemoso tsa Tšireletseho

HLOKOMELA E supa tlhahisoleseling e nkuoang e le ea bohlokoa, empa e sa amane le kotsi, joalo ka tšenyo e ka bang teng sehlahisoa.
THORLABS-DSC1-Compact-Digital-Servo-Controller- (1)Letšoao la CE/UKCA sehlahisoa ke phatlalatso ea moetsi ea hore sehlahisoa se lumellana le litlhoko tsa bohlokoa tsa melao ea bophelo bo botle ea Europe, polokeho le ts'ireletso ea tikoloho.
THORLABS-DSC1-Compact-Digital-Servo-Controller- (2)Letšoao la wheelie bin sehlahisoa, lisebelisoa kapa sephutheloana se bontša hore sesebelisoa sena ha sea tlameha ho nkoa e le litšila tse sa hlophisoang tsa 'masepala empa se tlameha ho bokelloa ka thoko.

Tlhaloso
Thorlabs 'DSC1 Digital Servo Controller ke sesebelisoa sa ho laola maikutlo a litsamaiso tsa electro-optical. Sesebelisoa se lekanya matla a ho kenyatage, etsa qeto ea karabo e nepahetseng voltage ka e 'ngoe ea li-algorithms tse' maloa tsa taolo, 'me o sebelisa maikutlo ana ho phallo ea molumotage channel. Basebelisi ba ka khetha ho lokisa ts'ebetso ea sesebelisoa ka pontšo e kopantsoeng ea "touchscreen", "remote desktop PC graphical user interface" (GUI), kapa "remote PC software development kit" (SDK). Mookameli oa servo samples voltage data e nang le qeto ea 16-bit ka "coaxial SMB input port" ho 1 MHz.

Ho fana ka tse nepahetseng haholoanyane voltaglitekanyo tsa e, lipalo tsa potoloho ka har'a sesebelisoa li etsa karolelano ea metsotsoana e meng le e meng e 'meliamples bakeng sa e atlehang samplebelo la eona ke 500 kHz. Lintlha tsa digitized li sebetsoa ke microprocessor ka lebelo le phahameng ka ho sebelisa mekhoa ea digital signal processing (DSP). Mosebelisi a ka khetha lipakeng tsa SERVO le PEAK control algorithms. Ntle le moo, mosebelisi a ka leka karabelo ea sistimi ho DC voltage ho fumana sebaka sa servo le RAMP mokhoa oa ho sebetsa, o hlahisang leqhubu la sawtooth le lumellanang le ho kenya letsoho. Mocha oa ho kenya o na le bandwidth e tloaelehileng ea 120 kHz. Mocha o hlahisoang o na le bandwidth e tloaelehileng ea 100 kHz. The -180 degree phase lag ea input-to-output voltagTs'ebetso ea phetisetso ea molaoli ona oa servo hangata ke 60 kHz.

Lintlha tsa Tekheniki

Litlhaloso

Litlhaloso tsa Ts'ebetso
Bophahamo ba Sisteme DC ho isa ho 100 kHz
Kenyo ho Sephetho -180 Degree Frequency >58 kHz (60 kHz E Tlwaelehileng)
Nominal Input Sampling Qeto 16 Bit
Qeto ea Sephetho sa Lebitso 12 Bit
Palo e kahodimodimo Keletso Voltage ± 4 V
Palo e kahodimodimo di neng di kwalwa Voltageb ± 4 V
Kenyelletso e Felletseng Hona Joale 100 mA
Karolelano ea Lerata la Lebato -120 dB V2/Hz
Phato ea Lerata la Peak -105 dB V2/Hz
Kenya Lerata la RMSc 0.3 mV
Keletso Sampmaqhubu a puo 1 MHz
Maqhubu a ntlafatso ea PIDd 500 kHz
Peak Lock Modulation Frequency Range 100 Hz - 100 kHz ka Mehato ea 100 Hz
Kena Pheliso 1 MΩ
Sephetho se Impedansb 220 Ω
  • a. Ena ke makhetlo ao tlhahiso e fihlang ho -180 degree phase shift e amanang le ho kenya letsoho.
  • b. Sephetho se etselitsoe ho hokela lisebelisoa tse phahameng tsa Z (> 100 kΩ). Ho hokela lisebelisoa tse nang le pheliso e tlase ea ho kenya, Rdev, e tla fokotsa tlhahiso ea voltage range ka Rdev/(Rdev + 220 Ω) (mohlala, sesebediswa se nang le 1 kΩ ho fediswa se tla fana ka 82% ya matla a tlhahiso ya lebitso.tage range).
  • c. Khokahano ea bandwidth ke 100 Hz - 250 kHz.
  • d. Sesefa se nang le phallo e tlase se fokotsa li-artifacts tsa digitization taolong ea tlhahisotage, e hlahisang bandwidth ea tlhahiso ea 100 kHz.
Litlhoko tsa Motlakase
Phepelo Voltage 4.75 - 5.25 V DC
Phepelo ea Hona Joale 750 mA (Max)
Mocheso Rangea 0 °C ho isa ho 70 °C
  • Sebaka sa mocheso seo sesebelisoa se ka sebetsoang ho sona ntle le ts'ebetso e nepahetseng e etsahala ha mocheso o le haufi le kamore.
Litlhoko tsa Tsamaiso
Mokhoa oa tšebetso Windows 10® (E khothalelitsoe) kapa 11, 64 Bit ea Hlokahala
Memori (RAM) 4 GB Bonyane, 8 GB E khothalelitsoe
Storage 300 MB (Min) ea Sebaka sa Disk se Fumanehang
Sehokedi USB 2.0
Bonyane Screen Resolution 1200 x 800 Pixels

Litšoantšo tsa Mechini 

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Phatlalatso e Nolofalitsoeng ea ho lumellana
Mongolo o felletseng oa phatlalatso ea EU ea tumellano e fumaneha atereseng e latelang ea inthanete: https://Thorlabs.com/newgrouppage9.cfm?objectgroup_id=16794

Tlhaloso ea FCC 

Hlokomela: Thepa ena e lekiloe 'me e fumanoe e lumellana le meeli ea sesebelisoa sa digital sa Sehlopha sa A, ho latela karolo ea 15 ea Melao ea FCC. Meeli ena e etselitsoe ho fana ka tšireletso e utloahalang khahlanong le tšitiso e kotsi ha thepa e sebelisoa sebakeng sa khoebo. Thepa ena e hlahisa, e sebelisa, 'me e ka khantša matla a maqhubu a seea-le-moea, 'me haeba e sa kengoa le ho sebelisoa ho latela bukana ea litaelo, e ka baka tšitiso e kotsi likhokahanong tsa radio. Ho sebetsa ha thepa ena sebakeng sa bolulo ho ka 'na ha baka tšitiso e kotsi moo mosebedisi a tla hlokeha ho lokisa tšitiso eo ka litšenyehelo tsa hae.

Litlhokomeliso tsa Polokeho: Letšoao la CE / UKCA le bonts'a ho latela melao ea bophelo bo botle, polokeho le ts'ireletso ea tikoloho ea Europe.

Tshebetso

Lintlha tsa motheo: Itloaetse mesebetsi ea mantlha ea DSC1.

Loops ea fatše le DSC1: Netefatsa motheo o nepahetseng ho qoba tšitiso.

Ho matlafatsa DSC1: Hokela mohloli oa matla ho latela litataiso tse fanoeng.

Skrine se thetsoang 

Ho qala sebopeho sa "Touchscreen Interface". 
Kamora ho hokahanngoa le matla le nako e khuts'oane, e ka tlase ho motsotsoana o le mong, DSC1 e tla khantša ponts'o e kopaneng ea "touchscreen" mme skrineng se tla arabela linthong tse kenang.

Ts'ebetso ea "touchscreen" ho Mokhoa oa SERVO
Mokhoa oa SERVO o sebelisa molaoli oa PID.

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Setšoantšo sa 2 Pontšo ea "touchscreen" ka mokhoa oa ts'ebetso ea servo le molaoli oa PID o nolofalitsoeng ka mokhoa oa ho laola PI. 

  • PV (process variable) boleng ba linomoro bo bontša AC RMS voltage ea lets'oao la ho kenya ka li-volts.
  • OV (output voltage) boleng ba linomoro bo bonts'a karolelano ea kakaretso ea molumotage tsoa ho DSC1.
  • Taolo ea S (setpoint) e beha sebaka sa "servo loop" ka volts. 4 V ke boholo le -4 V ke bonyane bo lumelletsoeng.
  • Taolo ea O (offset) e hlophisa DC offset ea servo loop ka volts. 4 V ke boholo le -4 V ke bonyane bo lumelletsoeng.
  • Taolo ea P (tekanyo) e beha coefficient ea phaello e lekanang. Sena e ka 'na ea e-ba boleng bo nepahetseng kapa bo bobe pakeng tsa 10-5 le 10,000, e ngolisitsoeng ho boenjiniere.
  • Taolo ea I (kakaretso) e beha coefficient ea bohlokoa ea phaello. Sena e ka 'na ea e-ba boleng bo nepahetseng kapa bo bobe pakeng tsa 10- 5 le 10,000, e ngolisitsoeng ho boenjiniere.
  • Taolo ea D (derivative) e beha coefficient e tsoang ho phaello. Sena e ka 'na ea e-ba boleng bo nepahetseng kapa bo bobe pakeng tsa 10-5 le 10,000, e ngolisitsoeng ho boenjiniere.
  • The STOP-RUN toggle e tima 'me e nolofalletsa servo loop.
  • Likonopo tsa P, I, le D li nolofalletsa (tse khanyang) le ho tima (boputsoa bo lefifi) e 'ngoe le e 'ngoe e fumana stage ho loop ea servo ea PID.
  • Lenane le theoha la SERVO le lumella mosebedisi ho khetha mokhoa oa ho sebetsa.
  • Teal trace e bontša sebaka sa hona joale. Ntlha ka 'ngoe e arohane ka 2 µs holim'a X-axis.
  • Tsela ea khauta e bonts'a PV e lekantsoeng ea hajoale. Ntlha ka 'ngoe e arohane ka 2 µs holim'a X-axis.

Ts'ebetso ea "touchscreen" ho RAMP Mokhoa 
The RAMP mode e hlahisa leqhubu la sawtooth le ka lokisehang mosebelisi amplitute le offset.

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  • PV (process variable) boleng ba linomoro bo bontša AC RMS voltage ea lets'oao la ho kenya ka li-volts.
  • OV (output voltage) boleng ba linomoro bo bonts'a karolelano ea kakaretso ea molumotage sebelisoa ke sesebelisoa.
  • Taolo ea O (offset) e beha DC offset ea ramp tlhahiso ka li-volts. 4 V ke boholo le -4 V ke bonyane bo lumelletsoeng.
  • The A (amplitude) taolo e beha ampboholo ba ramp tlhahiso ka li-volts. 4 V ke boholo le -4 V ke bonyane bo lumelletsoeng.
  • The STOP-RUN toggle e tima 'me e nolofalletsa servo loop ka ho latellana.
  • The RAMP menu e theoha e lumella mosebedisi ho khetha mokhoa oa ho sebetsa.
  • Mehlala ea khauta e bonts'a karabo ea semela e hokahaneng le sekeno sa tlhahiso ea voltage. Ntlha ka 'ngoe e arohane ka 195 µs holim'a X-axis.

Ts'ebetso ea "touchscreen" ka mokhoa oa PEAK
Mokhoa oa PEAK o sebelisa molaoli ea batlang ka ho fetelletseng o nang le maqhubu a feto-fetohang a mosebelisi, amplitude, le ho kopanya kamehla. Hlokomela hore modulation le demodulation e lula e sebetsa ha sesebelisoa se le maemong a PEAK; "run-stop toggle actives" mme e tima phaello ea bohlokoa ho lupu ea taolo ea dither.

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  • PV (process variable) boleng ba linomoro bo bontša AC RMS voltage ea lets'oao la ho kenya ka li-volts.
  • OV (output voltage) boleng ba linomoro bo bonts'a karolelano ea kakaretso ea molumotage sebelisoa ke sesebelisoa.
  • The M (modulation frequency multiplier) boleng ba linomoro bo bonts'a bongata ba 100 Hz ba frequency ea modulation. Bakeng sa mohlalaample, haeba M = 1 joalo ka ha ho bonts'itsoe, frequency ea modulation ke 100 Hz. Nako e phahameng ea ho feto-fetoha ha maemo ke 100 kHz, e nang le boleng ba M ea 1000. Ka kakaretso, maqhubu a phahameng a ho feto-fetoha a eletsoa, ​​​​hafeela mochine oa ho laola o arabela ka makhetlo ao.
  • The A (amplitude) taolo e beha ampboholo ba ho feto-fetoha ha li-volts, tse boletsoeng ho notation ea boenjiniere. 4 V ke boholo le -4 V ke bonyane bo lumelletsoeng.
  • Taolo ea K (peak lock integral coefficient) e beha kamehla ho kopanngoa ha molaoli, ka li-unit tsa V / s, tse ngotsoeng ka mokhoa oa boenjiniere. Haeba mosebelisi a sa tsebe hantle hore na a ka lokisa boleng bona joang, ho bohlokoa ho qala ka boleng bo ka bang 1.
  • The STOP-RUN toggle e tima 'me e nolofalletsa servo loop ka ho latellana.
  • Lenane la ho theoha la PEAK le lumella mosebedisi ho khetha mokhoa oa ho sebetsa.
  • Mehlala ea khauta e bonts'a karabo ea semela e hokahaneng le sekeno sa tlhahiso ea voltage. Ntlha ka 'ngoe e arohane ka 195 µs holim'a X-axis.

Software
Software ea digital servo controller e etselitsoe ho lumella ka bobeli ho laola ts'ebetso ea mantlha ka sebopeho sa khomphutha mme e fana ka sete e atolositsoeng ea lisebelisoa tsa tlhahlobo bakeng sa ho sebelisa molaoli. Bakeng sa mohlalaample, GUI e kenyelletsa moralo o ka bonts'ang phallo ea voltage sebakeng sa frequency. Ho feta moo, data e ka romelloa kantle ho naha joalo ka .csv file. Software ena e lumella ho sebelisoa ha sesebelisoa ho servo, tlhoro, kapa ramp mekhoa e nang le taolo holim'a liparamente tsohle le litlhophiso. Karabelo ea sistimi e ka ba viewed as the input voltage, lets'oao la phoso, kapa ka bobeli, e ka ba sebakeng sa nako kapa liemeli tsa sebaka sa maqhubu. Ka kopo, sheba bukana bakeng sa lintlha tse ling.

Ho qala Software
Kamora ho qala software, tobetsa "Connect" ho thathamisa lisebelisoa tsa DSC tse fumanehang. Lisebelisoa tse ngata tsa DSC li ka laoloa ka nako.

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Setšoantšo sa 5
Qala skrine bakeng sa software ea Client ea DSCX.

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Setšoantšo sa 6 Fensetere ea khetho ea lisebelisoa. Tobetsa OK ho hokela sesebelisoa se khethiloeng.

Servo Software Tab
Taba ea Servo e lumella mosebelisi ho sebelisa sesebelisoa ka mokhoa oa servo ka li-control tse eketsehileng le lipontšo tse fetang tse fanoeng ke sehokelo se kentsoeng sa "touchscreen user interface" sesebelisoa ka bosona. Leqepheng lena, ho na le litšoantšiso tsa nako kapa khafetsa tsa mofuta oa ts'ebetso. Karabelo ea sistimi e ka ba viewed e le mofuta oa ts'ebetso, lets'oao la phoso, kapa ka bobeli. Letšoao la phoso ke phapang pakeng tsa phetoho ea ts'ebetso le setpoint. Ho sebelisa mekhoa ea tlhahlobo ea taolo, karabelo ea tšusumetso, karabelo ea khafetsa, le karabelo ea karolo ea sesebelisoa e ka boleloa esale pele, hafeela ho etsoa likhakanyo tse itseng mabapi le boitšoaro ba sistimi le li-coefficients tsa phaello. Lintlha tsena li bonts'oa ho tabo ea taolo ea servo e le hore basebelisi ba ka khona ho hlophisa sistimi ea bona pele ba qala liteko tsa taolo.

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Setšoantšo sa 7 Sebopeho sa Software ho Ramp mode e nang le pontsho ya frequency-domain. 

  • Numella X Gridlines: Ho hlahloba lebokose ho nolofalletsa X gridline.
  • Numella Y Gridlines: Ho hlahloba lebokose ho nolofalletsa Y gridline.
  • Matha / Emisa Konopo: Ho tobetsa konopo ena ho qala / ho emisa ntlafatso ea tlhaiso-leseling e bonts'itsoeng.
  • Khafetsa / Nako ea Toggle: Fetoha lipakeng tsa frequency-domain le time-domain rerang.
  • PSD / ASD Toggle: Fetoha lipakeng tsa matla a spectral density le amplilepe tse otlolohileng tsa spectral density.
  • Karolelano ea Liskena: Ho fetola switjha ena ho nolofalletsa le ho tima karolelano sebakeng sa frequency.
  • Scans Ka Karolelano: Taolo ena ea linomoro e etsa qeto ea palo ea likhakanyo tse lokelang ho lekanyetsoa. Bonyane ke skena se le 1 mme boholo ke likhakanyo tse 100. Metsu ea holimo le tlase ho keyboard e eketsa le ho fokotsa palo ea liskena ka kakaretso. Ka mokhoa o ts'oanang, likonopo tsa holimo le tlase tse haufi le taolo li eketseha le ho fokotsa palo ea likheo ka karolelano.
  • Mojaro: Ho tobetsa konopo ena ho phanele ea Reference Spectrum ho lumella mosebelisi ho khetha spectrum ea litšupiso e bolokiloeng ho PC ea bareki.
  • Boloka: Ho tobetsa konopo ena ho phanele ea Reference Spectrum ho lumella mosebelisi ho boloka data e bonts'itsoeng hajoale ho PC ea bona. Kamora ho tobetsa konopo ena, boloka file puisano e tla lumella mosebedisi ho khetha sebaka sa polokelo le ho kenya faele ea file lebitso la data ea bona. Lintlha li bolokoa joalo ka Boleng bo Arohantsoeng ke Likoma (CSV).
  • Bontša Reference: Ho hlahloba lebokose lena ho etsa hore ho be le pontšo ea spectrum ea ho qetela e khethiloeng.
  • Autoscale Y-Axis: Ho hlahloba lebokose ho nolofalletsa ho beha meeli ea ponts'o ea Y Axis.
  • Autoscale X-Axis: Ho hlahloba lebokose ho nolofalletsa ho beha meeli ea ponts'o ea X Axis.
  • Log X-Axis: Ho hlahloba lebokose le fetola pakeng tsa pontšo ea axis ea logarithmic le linear X.
  • Matha PID: Ho nolofalletsa phetoho ena ho nolofalletsa servo loop ho sesebelisoa.
  • O Numeric: Boleng bona bo beha offset voltage ka li-volts.
  • SP Numeric: Boleng bona bo beha setpoint voltage ka li-volts.
  • Kp Numeric: Boleng bona bo behile phaello e lekanang.
  • Ki Numeric: Boleng bona bo beha phaello ea bohlokoa ho 1/s.
  • Kd Numeric: Boleng bona bo beha phaello e tsoang ho s.
  • Likonopo tsa P, I, D: Likonopo tsena li nolofalletsa phaello e leka-lekaneng, ea bohlokoa le e tsoang ho eona ha e khantšitsoe.
  • Matha / Emisa Toggle: Ho fetola switch ena ho nolofalletsa le ho tima taolo.

Mosebelisi a ka sebelisa mouse ho fetola boholo ba tlhahisoleseling e bonts'itsoeng: 

  • Lebili la toeba le atometsa morero ho kena le ho tsoa ho ea sebakeng sa hona joale sa pointer ea mouse.
  • SHIFT + Tobetsa e fetola pointer ea mouse hore e be letšoao la ho kopanya. Kamora moo, konopo ea toeba e ka letsohong le letšehali e tla atometsa sebaka sa pointer ea mouse ka makhetlo a 3. Mosebelisi a ka hula le ho khetha sebaka sa chate ho atometsa ho lekana.
  • ALT + Tobetsa fetola pointer ea mouse hore e be letšoao la ho tlosa. Kamora moo konopo ea toeba e ka letsohong le letšehali e tla atometsa ho tloha sebakeng sa pointer ea mouse ka ntlha ea 3.
  • Hasa le ho penya boitšisinyo holim'a toeba kapa skrineng sa ho ama ho tla atametsa le ho tsoa chate ka ho latellana.
  • Ka mor'a ho phenya, ho tobetsa konopo ea mouse e ka letsohong le letšehali ho tla lumella mosebedisi ho hula ka ho hula mouse.
  • Ho tobetsa chate ka ho le letona ho tla khutlisa maemo a kamehla a chate.

Ramp Software Tab
The Ramp tab e fana ka tshebetso e ka bapisoang le ramp tab e hlahang skrineng e kentsoeng ea touchscreen. Ho fetohela ho tab ena ho kenya sesebelisoa se hoketsoeng ho ramp mokgoa.

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Setšoantšo sa 8
Sehokelo sa software ho Ramp mokgoa.

Ntle le li-control tse fumanehang ka mokhoa oa Servo, Ramp mode e eketsa: 

  • AmpLitude Numeric: Boleng bona bo beha scan ampmatla ka li-volts.
  • Nomoro ea Offset: Boleng bona bo beha offset ea scan ka li-volts.
  • Matha / Emisa Ramp Toggle: Ho fetola sesebelisoa sena ho nolofalletsa le ho tima ramp.

Peak Software Tab 
Peak Control tab e fana ka ts'ebetso e ts'oanang le mokhoa oa PEAK ho sehokelo sa mosebelisi se kentsoeng, ka ponahalo e eketsehileng ho sebopeho sa lets'oao la ho khutla ho tsoa ho sistimi. Ho fetohela ho tab ena ho fetola sesebelisoa se hoketsoeng ho mokhoa oa ts'ebetso oa PEAK.

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Figure 9 Software interface in Peak mode e nang le pontšo ea nako-domain.

Ntle le litsamaiso tse fumanehang ka mokhoa oa Servo, mokhoa oa Peak oa eketsa: 

  • Amppalo ea palo: Boleng bona bo beha modulation ampmatla ka li-volts.
  • K palo: Ena ke senotlolo sa senotlolo sa coefficient; boleng bo beha phaello ea bohlokoa kamehla ho V / s.
  • Nomoro ea Offset: Boleng bona bo beha offset ka li-volts.
  • Linomoro tsa khafetsa: Sena se beha sehatisi sa frequency ea modulation ka increments ea 100 Hz. Bonyane boleng bo lumelletsoeng ke 100 Hz ke boholo ke 100 kHz.
  • Run / Stop Peak toggle: Ho fetola switch ena ho thusa le ho tima phaello ea bohlokoa. Hlokomela, neng kapa neng ha sesebelisoa se le mokhoeng oa PEAK, ho feto-fetoha ha molumo le pholiso ea lets'oao la phoso ho sebetsa.

Boitsebiso bo Bolokiloeng 
Lintlha li bolokoa ka sebopeho sa Comma Separated Value (CSV). Sehlooho se khuts'oane se boloka lintlha tsa bohlokoa ho tsoa ho data e bolokiloeng. Haeba sebopeho sa CSV ena se fetotsoe, software e kanna ea sitoa ho fumana litšupiso tse ngata. Ka hona, mosebelisi o khothalletsoa ho boloka data ea bona ka har'a spreadsheet e arohaneng file haeba ba ikemiselitse ho etsa tlhahlobo efe kapa efe e ikemetseng.

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Setšoantšo sa 10 Lintlha ka sebopeho sa .csv tse rometsoeng ho tsoa ho DSC1. 

Khopolo ea Ts'ebetso

PID Servo Control
Potoloho ea PID hangata e sebelisoa e le taolo ea maikutlo ea loop mme e atile haholo lipotolohong tsa servo. Morero oa potoloho ea servo ke ho ts'oara sistimi ka boleng bo reriloeng esale pele (sebaka se behiloeng) bakeng sa nako e telele. Potoloho ea PID e ts'oara sistimi ka mafolofolo sebakeng se behiloeng ka ho hlahisa lets'oao la phoso e leng phapang lipakeng tsa sebaka se behiloeng le boleng ba hajoale le ho hlophisa phallo ea vol.tage ho boloka ntlha e behiloeng. Litlhaku tse etsang acronym PID li lumellana le Proportional (P), Integral (I), le Derivative (D), tse emelang litlhophiso tse tharo tsa taolo ea potoloho ea PID.

Nako ea tekano e ipapisitse le phoso ea hajoale, nako ea bohlokoa e ipapisitse le ho bokellana ha phoso e fetileng, 'me lentsoe le tsoang ho eona ke polelo ea phoso ea nako e tlang. E 'ngoe le e' ngoe ea mantsoe ana e kenngoa ka chelete e lekantsoeng e fetolang tlhahiso ea voltage ea potoloho, u(t). Sehlahisoa sena se fepeloa sesebelisoa sa taolo, tekanyo ea sona e khutlisetsoa ka har'a loop ea PID, mme ts'ebetso e lumelloa ho tsitsisa tlhahiso ea potoloho ho fihlela le ho ts'oara boleng ba ntlha e behiloeng. Setšoantšo sa block se ka tlase se bontša ketso ea potoloho ea PID. Taolo e le 'ngoe kapa tse ngata li ka sebelisoa potolohong efe kapa efe ea servo ho latela se hlokahalang ho tsitsisa sistimi (ke hore, P, I, PI, PD, kapa PID).

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Ka kopo hlokomela hore potoloho ea PID e ke ke ea tiisa taolo e nepahetseng. Litlhophiso tse sa nepahalang tsa li-control tsa PID li ka etsa hore potoloho e sisinyehe haholo 'me e lebise ho se tsitse ha taolo. Ho ho mosebelisi ho lokisa liparamente tsa PID hantle ho netefatsa ts'ebetso e nepahetseng.

Khopolo ea PID 

Khopolo ea PID bakeng sa Molaoli oa Ts'ebeletso ea Tsoelang Pele: Utloisisa mohopolo oa PID bakeng sa taolo e nepahetseng ea servo.
Sephetho sa potoloho ea taolo ea PID, u(t), e fanoa joalo ka

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Moo:

  • ?? ke phaello e leka-lekaneng, e se nang moeli
  • ?? ke phaello ea bohlokoa ka 1/metsotsoana
  • ?? ke phaello e tsoang ka metsotsoana
  • ?(?) ke lets'oao la phoso ka li-volts
  • ?(?) ke tlhahiso ea taolo ka li-volts

Ho tloha mona re ka hlalosa likarolo tsa taolo ka lipalo le ho buisana ka botlalo haholoanyane. Taolo e lekanang e lekana le letshwao la phoso; ka hona, ke karabelo e tobileng ho lets'oao la phoso le hlahisoang ke potoloho:
? = ???(?)
Phaello e kholoanyane ea tekanyo e fella ka liphetoho tse kholo ho arabela phoso, 'me kahoo e ama lebelo leo molaoli a ka arabelang ka lona liphetohong tsa tsamaiso. Le hoja phaello e phahameng ea tekanyo e ka etsa hore potoloho e arabe ka potlako, boleng bo phahameng haholo bo ka baka oscillations mabapi le boleng ba SP. Boleng bo tlase haholo mme potoloho e sitoa ho arabela hantle liphetohong tsa sistimi. Taolo e felletseng e tsoela pele ho feta phaello e lekantsoeng, kaha ha e lekane feela le boholo ba lets'oao la phoso empa hape le nako ea phoso efe kapa efe e bokelletsoeng.

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Taolo e kopaneng e sebetsa haholo ho eketsa nako ea karabelo ea potoloho hammoho le ho felisa phoso e tsitsitseng e amanang le taolo e lekantsoeng feela. Ha e le hantle, taolo e felletseng e akaretsa phoso efe kapa efe e neng e sa lokisoe, ebe e atisa phoso eo ka Ki ho hlahisa karabelo ea mantlha. Kahoo, esita le phosong e nyane e tšoarellang, karabelo e kholo e kopaneng e ka phethahala. Leha ho le joalo, ka lebaka la karabelo e potlakileng ea taolo ea bohlokoa, litekanyetso tse phahameng tsa phaello li ka baka overshoot e kholo ea boleng ba SP mme ea lebisa ho oscillation le ho hloka botsitso. E tlase haholo mme potoloho e tla lieha haholo ho arabela liphetohong tsa sistimi. Boiteko ba ho laola ho fokotsa matla le ho lla ho tsoa taolong e lekanyelitsoeng le ea bohlokoa. E etsa qeto ea hore na potoloho e fetoha kapele hakae ha nako e ntse e feta (ka ho sheba derivative ea letšoao la phoso) ebe e e atisa ka Kd ho hlahisa karabo e tsoang ho eona.

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Ho fapana le taolo e lekanang le ea bohlokoa, taolo e nkiloeng e tla liehisa karabelo ea potoloho. Ka ho etsa joalo, e khona ho lefa karolo e itseng bakeng sa overshoot hammoho le damp ho ntsha metsamao efe kapa efe e bakoang ke taolo e kopaneng. Litekanyetso tse phahameng tsa phaello li etsa hore potoloho e arabele butle haholo 'me e ka siea motho a ka hlaseloa habonolo ke lerata le maqhubu a phahameng a oscillation (ha potoloho e ntse e lieha ho arabela kapele). E tlase haholo mme potoloho e na le tšekamelo ea ho fetelletsa boleng ba ntlha e behiloeng. Leha ho le joalo, maemong a mang ho feteletsa boleng ba ntlha e behiloeng ka chelete leha e le efe ea bohlokoa ho tlameha ho qojoa 'me kahoo phaello e phahameng e tsoang (hammoho le phaello e tlaase ea tekanyo) e ka sebelisoa. Chate e ka tlase e hlalosa liphello tsa ho eketsa phaello ea leha e le efe ea litekanyo tse ikemetseng.

Paramethara
Keketseho
Tsoha Nako Overshoot Ho ipehela nako Phoso ea Boemo bo tsitsitseng Botsitso
Kp Fokotsa Nyollelo Phetoho e Nyenyane Fokotsa Fokotsa
Ki Fokotsa Nyollelo Nyollelo Fokotsa Haholo Fokotsa
Kd Phokotso e Nyane Phokotso e Nyane Phokotso e Nyane Ha ho Phello Ntlafatsa (bakeng sa Kd e nyane)

Balaoli ba servo ba nako e ikhethileng 

Sebopeho sa data
Molaoli oa PID ho DSC1 o fumana 16-bit ADC sample, e leng nomoro ea binary ea offset, e ka tlohang ho 0-65535. 0 limmapa ka tsela e lumellanang le tlhahiso e mpe ea 4V 'me 65535 e emela letšoao la ho kenya +4V. Letšoao la "phoso", ?[?], ho lupu ea PID ka nako ? e khethoa joalo ka ?[?] = ? − ?[?] Hokae ? ke setpoint le ?[?] ke voltagesample boemong ba binary ea offset ka mohato o hlakileng oa nako, ?.

Molao oa Taolo sebakeng sa Nako
Lipolelo tse tharo tsa phaello li baloa 'me li akaretsoa hammoho.
?[?] = ??[?] + ??[?] + ??[?] ?? = ???[?] ?? ≈ ?? ∫ ?[?] ?? = ??(?[?] − ?[? − 1])
Hokae ??[?], ??[?], le ??[?] na melemo e leka-lekaneng, ea bohlokoa, le e tsoang ho tse kenyelletsang tlhahiso ea taolo ?[?] ka nako ?. ??, ??, le ?? ke li-coefficients tse leka-lekaneng, tse akaretsang, le tse tsoang ho tse ling.

Ho bapisa ho Kopana le ho Hlahisoa
DSC1 e lekanya sekopanyi se nang le accumulator.
∫ ?[?] = ?[?] + ∫ ?[? − 1] Ho nahanoa ka nako ea ho kopanya, bophara ba nako, bo kenyelelitsoe ho coefficient ea bohlokoa ea phaello ?? joalo ka: ?? = ?'?ℎ
Hokae?'? ke nako e kentsoeng ea bohlokoahali 'me ℎ ke nako e lipakeng tsa ADC samples. Re etsa khakanyo e ts'oanang le e nkiloeng joalo ka phapang lipakeng tsa ?[?] le ?[? − 1] hape ho nka hore ?? e boetse e na le sekhahla sa 1 / h.

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Joalo ka ha ho boletsoe pejana, joale nahana hore likhakanyo tsa mantlha le tse tsoang ho tse ling li ne li sa kenyelletse ho nahanoa ka nako (s)ample interval), ka morao ho mona ℎ. Ka tloaelo re re taelo ea pele, e hlakileng, karohano ea phetoho ?[?] le THORLABS-DSC1-Compact-Digital-Servo-Controller- 35 = ?(?, ?) e ipapisitseng le mantsoe a katoloso ea letoto la Taylor ke ?[?] ≈ ?[? − 1] + ℎ ?(?, ?)
Hangata sena se bitsoa Backward Euler Integration Scheme kapa Sehokelo se Hlakileng sa Pele sa Numerical Integrator. Haeba re rarolla karolo e nkiloeng, ?(?, ?), re fumana:

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Ela hloko ho tšoana ha lipalo ho tse ka holimo le karohano ea rona e ntseng e tsoela pele ho tsoa ho palo ea taolo. Sena ke ho bolela hore, kakanyo ea rona ho motsoako o lekantsoeng ka nepo ka ℎ−1.

E boetse e etsisa ka mokhoa o hlakileng Theorem ea Motheo ea Calculus:

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Joale haeba re bua joalo? ke karolo ea bohlokoa ea lets'oao la phoso?, re ka etsa liphetoho tse latelang.
?[?]=∫?[?] ?(?,?)= ?[?] Mme re fumana ho tswa letotong la pele la Taylor kakaretso ya tshebetso
Ka ho nka feela ∫?[?]=0 bakeng sa ?=0, kakanyo e tsoelang pele ea motsoako e batla e kopana ho akcumulator.

Kahoo re fetola tlhahiso ea rona ea pele ea molao oa taolo ho:

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Molao oa Taolo sebakeng sa Frequency Domain
Leha equation e nkiloeng karolong e tsoelang pele e tsebisa boits'oaro ba nako ea "domain" ea "discrete-time PID" e kentsoeng ts'ebetsong ho DSC1, ha e bue hanyane ka karabelo ea domain frequency ea molaoli. Ho e-na le hoo, re hlahisa ? domain, e ts'oanang le sebaka sa Laplace, empa bakeng sa discrete ho fapana le nako e tsoelang pele. Joalo ka phetoho ea Laplace, phetoho ea Z ea ts'ebetso hangata e khethoa ka ho kopanya likamano tsa Z-transform, ho fapana le ho kenya tlhaloso ea Z-transform (e bontšitsoeng ka tlase) ka kotloloho.

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Hokae ?(?) e leng polelo ea "Z-domain" ea nako e fapaneng e fapaneng?[?], ? na radius (hangata e tšoaroa joalo ka 1) ea mofuta o ikemetseng?, ? ke motso oa sekwere sa -1, 'me ∅ ke khang e rarahaneng ea radians kapa likhato. Tabeng ena, ho hlokahala liphetoho tse peli feela tsa Z-tabled.
?[?] = ?[?] ?[? − 1] = ?[?]?−1
Phetoho ea Z ea lentsoe la tekano, ??, ha e nyane. Hape, ka kopo amohela ho se hokae hore ho bohlokoa ho rona ho fumana phoso ho laola tšebetso ea phetisetso, ?(?), eseng feela ?(?).

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Phetoho ea Z ea lentsoe la bohlokoa, ??, e thahasellisa haholoanyane.
Hopola morero oa rona o hlakileng oa ho kopanya Euler karolong e fetileng: ??(?) = ?? ∫ ?[?] = ?? (∫ ?[? − 1] + ℎ ?(?))
∫ ?(?) = ∫ ?(?) ?−1 + ℎ?(?)
∫ ?(?) − ∫ ?(?) ?−1 = ℎ?(?)

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Qetellong, re sheba phaello e tsoang ho eona, ??: 

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Ho kopanya e 'ngoe le e' ngoe ea mesebetsi e ka holimo ea phetisetso, re fihla ho: 

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Ka equation ena, re ka bala ka lipalo karabelo ea domain frequency bakeng sa molaoli mme ra e bonts'a joalo ka morero oa Bode, joalo ka tlase.
Mesebetsi ea Phetisetso ea PID, Kp = 1.8, Ki = 1.0, Kd = 1E-4

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Hlokomela kamoo PI controller e fumanang phaello e lekanang feela le hi-frequency le kamoo molaoli oa PD a fumanang phaello e lekanang feela ka maqhubu a tlase.

Phetoho ea PID
Ka kakaretso, melemo ea P, I, le D e tla hloka ho fetoloa ke mosebelisi e le ho ntlafatsa ts'ebetso ea sistimi. Le hoja ho se na melao e tsitsitseng ea hore na litekanyetso li lokela ho ba life bakeng sa tsamaiso leha e le efe e khethehileng, ho latela mekhoa e akaretsang ho lokela ho thusa ho lokisa potoloho ho lumellana le tsamaiso le tikoloho ea motho. Ka kakaretso, potoloho ea PID e lokiselitsoeng hantle hangata e tla feta boleng ba SP hanyane ebe e potlakela ho damp tsoa ho fihlela boleng ba SP le ho tšoarella ka mokhoa o tsitsitseng sebakeng seo. Loop ea PID e ka notlela letsoapong le letle kapa le lebe ka ho fetola lets'oao la phaello ea P, I, le D. Ho DSC1, matšoao a notletsoe hammoho kahoo ho fetola le leng ho tla a fetola kaofela.

Ho hlophisa ka letsoho ha litlhophiso tsa phaello ke mokhoa o bonolo ka ho fetisisa oa ho beha li-control tsa PID. Leha ho le joalo, ts'ebetso ena e etsoa ka mafolofolo (molaoli oa PID o khomaretsoeng tsamaisong le PID loop e nolofalitsoe) 'me e hloka phihlelo e itseng ho finyella liphello tse ntle. Ho lokisa PID ea hau ka letsoho, qala ka ho beha melemo ea bohlokoa le e tsoang ho zero. Eketsa phaello e lekanang ho fihlela o bona ho sisinyeha ha tlhahiso. Ka hona phaello ea hau e lekantsoeng e lokela ho behoa ho hoo e ka bang halofo ea boleng bona. Ka mor'a hore phaello e lekanang e behoe, eketsa phaello ea bohlokoa ho fihlela offset leha e le efe e lokisoa ka nako e loketseng tsamaiso ea hau.

Haeba o eketsa phaello ena haholo, o tla bona ho fetella ho hoholo ha boleng ba SP le ho hloka botsitso ho potoloha. Hang ha phaello ea bohlokoa e behiloe, phaello e tsoang ho eona e ka eketsoa. Phaello e tsoang ho eona e tla fokotsa ho feta le damp tsamaiso ka potlako ho boleng ba ntlha e behiloeng. Haeba u eketsa phaello e tsoang ho eona haholo, u tla bona overshoot e kholo (ka lebaka la potoloho e liehang ho arabela). Ka ho bapala ka litlhophiso tsa phaello, o ka ntlafatsa ts'ebetso ea potoloho ea hau ea PID, e hlahisang sistimi e arabelang ka potlako liphetohong le ka katleho d.amps out oscillation mabapi le set point value.

Mofuta oa Taolo Kp Ki Kd
P 0.50 Ho
PI 0.45 Ho 1.2 Kp/Pu
PID 0.60 Ho 2 Kp/Pu KpPu/8

Le ha ho hlophisa ka letsoho ho ka sebetsa haholo ho seta potoloho ea PID bakeng sa sistimi ea hau e ikhethileng, e hloka boiphihlelo bo itseng le kutloisiso ea lipotoloho tsa PID le karabelo. Mokhoa oa Ziegler-Nichols oa ho lokisa PID o fana ka tataiso e hlophisitsoeng haholoanyane ea ho beha litekanyetso tsa PID. Hape, o tla batla ho beha phaello ea bohlokoa le e tsoang ho zero. Eketsa phaello e lekanang ho fihlela potoloho e qala ho sisinyeha. Re tla bitsa boemo bona ba phaello Ku. Oscillation e tla ba le nako ea Pu. Melemo ke ea lipotoloho tse fapaneng tsa taolo ebe li fanoa ka chate e kaholimo. Hlokomela hore ha o sebelisa mokhoa oa ho lokisa oa Ziegler-Nichols le DSC1, nako ea bohlokoa e behiloeng tafoleng e lokela ho atolosoa ka 2⋅10-6 ho tloaeleha ho s.ample rate. Ka mokhoa o ts'oanang, coefficient e tsoang ho eona e lokela ho aroloa ka 2⋅10-6 ho tloaeleha ho s.ample sekhahla.

Rampng
Basebelisi ba kanna ba hloka ho tseba sebaka sa ts'ebetso ea matšoao a maholo kapa sebaka se sebetsang sa sistimi. Ho tseba hore na sebaka sa ts'ebetso se nang le lets'oao le leholo (kamora moo se bitsoang DC offset) kapa servo setpoint e nepahetseng, mokhoa o tloaelehileng ke ho khothaletsa sistimi khafetsa ka molumo o ntseng o eketseha.tage pontšo. Mokhoa ona o atisa ho bitsoa leqhubu la sawtooth, ka lebaka la ho tšoana le meno a sakha.

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Peak Lock Mode
Mokhoa oa senotlolo sa tlhoro o sebelisa algorithm ea ho notlela dither e tsejoang hape e le molaoli ea batlang ka ho fetelletseng. Mokhoa ona oa ts'ebetso, boleng ba taolo bo behiloe holimo holim'a tlhahiso ea wave wave. Kenyelletso e lekantsoeng voltage ke ea pele ea digitally high-pass filtered (HPF) ho tlosa leha e le efe ea DC offset. Ebe lets'oao le kopantsoeng la AC le theoleloa ka ho atisa molumo o mong le o mong o lekantsoengtage ka boleng bo tsoang ba sine wave modulation. Ts'ebetso ena ea katoloso e theha lets'oao le theoletsoeng le nang le likarolo tse peli tsa mantlha: leqhubu la sine ka kakaretso ea maqhubu a mabeli le lets'oao phapanong ea maqhubu a mabeli.

Sesefa sa bobeli sa dijithale, lekhetlong lena e le sefe ea "low pass" (LPF), se fokotsa lets'oao la maqhubu a mabeli, 'me se fetisa lets'oao le tlase la phapang ea maqhubu a mabeli. Likahare tsa matšoao ka makhetlo a tšoanang le a modulation a hlahang joalo ka ponts'o ea poso ea DC. Mohato oa ho qetela ho algorithm ea senotlolo sa tlhoro ke ho kopanya lets'oao la LPF. Sehlahisoa se kopanyang, se kopantsoeng le modulation e hlahang, se tsamaisa tlhahiso ea voltage. Ho bokellana ha matla a lets'oao a theohileng a tlase ho sehokahanyi ho sutumelletsa matla a taolo ea offsettage ea tlhahiso ea holimo le holimo ho fihlela lets'oao la tlhahiso ea LPF le fetoha 'me tlhahiso ea kopanyo e qala ho fokotseha. Ha boleng ba taolo bo ntse bo atamela tlhōrō ea karabelo ea tsamaiso, sephetho sa ho feto-fetoha ha lets'oao la ho kenya letsoho ho molaoli oa servo se fetoha se senyenyane le se senyenyane, kaha moepa oa sebopeho sa maqhubu a sinusoidal ke zero tlhōrōng ea oona. Sena ka lehlakoreng le leng se bolela hore ho na le boleng bo tlase ba tlhahiso ho tsoa ho lets'oao le hloekisitsoeng ka tlase-pass, le fokolitsoeng, 'me ka hona le le tlase ho bokelloa ka har'a sehokahanyi.

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Setšoantšo sa 12 Sets'oants'o sa "block" sa "high locking controller". Letšoao la ho kenya letsoho le tsoang setsing se arabelang se phahameng le kenngoa ka mokhoa oa digital, ebe le sefuoa ka tsela e phahameng. Letšoao la tlhahiso ea HPF le theoleloa ka oscillator ea lehae ea dijithale. Sehlahisoa sa demodulator se tlhotliloeng ka mokhoa o tlase ebe se kopantsoe. Sehlahisoa se kopanyang se eketsoa ho lets'oao la modulation le tlhahiso ho semela se arabelang se phahameng. Peak Locking ke algorithm e ntle ea taolo eo u ka e khethang ha sistimi eo mosebelisi a lakatsang ho e laola e se na karabo ea monotonic ho potoloha sebaka se nepahetseng sa taolo. ExampMefuta e meng ea mefuta ena ea litsamaiso ke mecha ea litaba ea optical e nang le wavelength ea resonant, joalo ka vapor cell, kapa RF band-reject filter (notch filter). Sebopeho se bohareng sa leano la taolo ea ho notlela tlhōrō ke tšekamelo ea algorithm ea ho tsamaisa sisteme ho leba pheletsong ea lets'oao la phoso e tsamaellanang le tlhoro ea lets'oao le lekantsoeng, joalo ka ha eka lets'oao la phoso ke motso oa lets'oao le lekantsoeng. Hlokomela hore tlhōrō e ka 'na ea e-ba ntle kapa e mpe. Ho qala ka mokhoa oa ho notlela tlhoro ea ts'ebetso bakeng sa DSC1, o ka latela mokhoa ona.

  1. Etsa bonnete ba hore ho na le tlhoro (kapa phula) ea lets'oao leo u notlelang ho lona le ka har'a matla a taolotage range ea actuator, le hore boemo ba tlhoro bo batla bo tsitsitse ha nako e ntse e tsamaea. Ho molemo ho sebelisa RAMP mokhoa oa ho bona lets'oao holim'a molumo oa taolotage mefuta e fapaneng ya thahasello.
  2. Ela hloko matla a taolotage boemo ba tlhoro (kapa phula).
  3. Hakanya hore tlhoro (kapa phula) e pharaletse hakae taolong voltage halofo ea bophahamo ba tlhoro. Bophara bona, ka li-volts, hangata bo bitsoa Full-Width Half-Max kapa FWHM. E lokela ho ba bonyane 0.1V bophara bakeng sa liphello tse ntle.
  4. Beha modulation amplitude (A) ho isa ho 1% ho isa ho 10% ea FWHM voltage.
  5. Seta karolo ea offsettage haufi haholo le boemo ba tlhōrō (kapa phula) eo u lakatsang ho e koala.
  6. Beha maqhubu a ho feto-fetoha ho ea ho maqhubu a lakatsehang. Ho skrineng sa ho ama sena se angoa ke M, parameter frequency modulation. Maqhubu a ho feto-fetoha ha molumo ke 100 Hz makhetlo a M. Khetho e ntle ka ho fetisisa ea frequency ea modulation e ipapisitse le ts'ebeliso. Thorlabs e khothaletsa boleng bo ka bang 1 kHz bakeng sa li-actuator tsa mochini. Maqhubu a phahameng a ka sebelisoa ho li-electro-optic actuators.
  7. Beha senotlolo sa tlhoro sa coefficient (K) ho makhetlo a 0.1 A. K e ka ba ntle kapa e mpe. Ka kakaretso, K e ntle e notlela tlhorong ea lets'oao la ho kenya, ha K e notlela phuleng ea lets'oao la ho kenya. Leha ho le joalo, haeba actuator kapa sisteme e notletsoeng e na le ho lieha ho feta 90 degree mothating oa dither frequency, lets'oao la K le tla kheloha mme K e ntle e tla notlela phuleng, 'me K e mpe e tla notlela tlhorong.
  8. Tobetsa Run mme o netefatse hore matla a taolotage ea fetoha ho tloha boleng ba offset ea mantlha (O) mme ha e balehele ho fetelletseng. Ntle le moo, hlokomela phetoho ea ts'ebetso u sebelisa oscilloscope ho netefatsa hore DSC1 e notletsoe tlhōrōng kapa phula e lakatsehang.

THORLABS-DSC1-Compact-Digital-Servo-Controller- (32)

Setšoantšo sa 13 Example data ho tsoa ho ramping the output offset voltage nang le leqhubu le sa khaotseng la sine, le behiloeng holim'a semela se arabelang tlhoro. Ela hloko lets'oao la phoso lets'ollo la zero le tsamaisana le tlhoro ea lets'oao la karabo ea semela.

Tlhokomelo le Tlhoekiso
Hloekisa khafetsa 'me u boloke DSC1 bakeng sa ts'ebetso e nepahetseng. DSC1 ha e hloke tlhokomelo ya kamehla. Haeba "touchscreen" e sesebelisoa e ka silafala, Thorlabs e khothaletsa ho hloekisa sekirini ka bonolo ka lesela le bonolo, le se nang lesela le nang le joala ba isopropyl.

Ho rarolla mathata le ho lokisa

Haeba mathata a hlaha, sheba karolo ea tharollo ea mathata bakeng sa tataiso ea ho rarolla mathata a tloaelehileng. Tafole e ka tlase e hlalosa mathata a tloaelehileng ka litlhare tse khothaletsoang tsa DSC1 le Thorlabs.

Hlahisa Tlhaloso Pheko
Sesebediswa ha se bulele ha se hoketswe matleng a USB Type-C. Sesebelisoa se hloka boholo ba 750 mA ea hona joale ho tloha ho 5 V phepelo, 3.75 W. Sena se ka 'na sa feta matla a matla a li-connectors tse ling tsa USB-A ho li-laptops le li-PC. Sebelisa lisebelisoa tsa motlakase tsa Thorlabs DS5 kapa CPS1. Ntle le moo, sebelisa motlakase oa mofuta oa C oa USB oo hangata o sebelisetsoang ho tjhaja mohala kapa laptop e lekantsoeng ho hlahisa bonyane 750 mA ho 5 V.
Sesebelisoa ha se bulele ha data port e hokeloa ho PC. DSC1 e hula matla feela ho sehokelo sa matla sa USB Type-C. Sehokelo sa Mofuta o Monyane oa USB ke data feela. Hokela boema-kepe ba USB Type-C ho phepelo ea motlakase e lekantsoeng ho hlahisa bonyane 750 mA ho 5 V, joalo ka Thorlabs DS5 kapa CPS1.

Ho lahla
Latela litataiso tse nepahetseng tsa ho lahla ha u tlohela DSC1.
THORLABS-DSC1-Compact-Digital-Servo-Controller- (33)Thorlabs e netefatsa ho latela taelo ea WEEE (Waste Electrical and Electronic Equipment) ea European Community le melao ea naha e tsamaellanang le eona. Ka hona, basebelisi bohle ba EC ba ka khutlisa "qetellong ea bophelo" Mokhahlelo oa Annex I oa lisebelisoa tsa motlakase le tsa elektroniki tse rekisitsoeng ka mor'a la 13 Phato 2005 ho Thorlabs, ntle le ho etsa litefiso tsa ho lahla. Diyuniti tse tshwanelehang di tshwailwe ka letshwao la “wheelie bin” (bona ka ho le letona), di rekiseditswe mme ha jwale ke tsa khamphani kapa setheo se ka hare ho EC mme ha di a arolwa kapa hona ho silafala. Ikopanye le Thorlabs bakeng sa tlhaiso-leseling e batsi. Phekolo ea litšila ke boikarabelo ba hao. Likarolo tsa "Qetello ea Bophelo" li tlameha ho khutlisetsoa Thorlabs kapa ho fetisetsoa ho k'hamphani e sebetsanang le ho hlaphoheloa ha litšila. Se ke oa lahla yuniti ka moqomong oa matlakala kapa sebakeng sa ho lahlela lithōle tsa sechaba. Ke boikarabello ba mosebelisi ho hlakola data eohle ea lekunutu e bolokiloeng sesebelisoa pele e lahla.

LBH:

P: Ke lokela ho etsa eng haeba DSC1 e sa sebetse?
A: Lekola khokahano ea mohloli oa matla 'me u netefatse hore e fihlela litlhoko tse boletsoeng. Haeba bothata bo ntse bo tsoela pele, ikopanye le tšehetso ea bareki bakeng sa thuso.

Polokeho

TSEBISO
Sesebediswa sena se lokela ho bolokwa ntle le ditikoloho moo ho qhalanang ha mokelikeli kapa ho baka mongobo. Ha e thibele metsi. Ho qoba tšenyo ea sesebelisoa, u se ke ua e pepesetsa ho fafatsa, lino, kapa li-solvents.

Ho kenya

Boitsebiso ba Warranty
Sesebelisoa sena se sebetsang hantle se ka sebetsoa ha feela se khutlisitsoe 'me se pakiloe ka nepo ka har'a sephutheloana sa mantlha ho kenyeletsoa thomello e felletseng hammoho le k'hateboto e kenyang lisebelisoa tse koetsoeng. Haeba ho hlokahala, kopa sephutheloana se seng. Fetisetsa litšebeletso ho basebetsi ba tšoanelehang.

Kenyellelitsoe Likaroloana

DSC1 Compact Digital Servo Controller e tlisoa ka likarolo tse latelang:

  • DSC1 Digital Servo Controller
  • Karete ea ho Qala ka Potlako
  • USB-AB-72 USB 2.0 Type-A to Mini-B Data Cable, 72″ (1.83 m) Nako e telele
  • USB Type-A ho ea ho USB Type-C Power Cable, 1 m (39″) Bolelele
  • PAA248 SMB ho ya BNC Coaxial Cable, 48″ (1.22 m) Nako e telele (Qty. 2)

Ho kenya le ho seta

Lintho tsa motheo 
Basebelisi ba ka hlophisa sesebelisoa ka komporo ba sebelisa sebopeho sa USB kapa ka sekirini se kopantsoeng sa touch. Boemong bofe kapa bofe, matla a tlameha ho fanoa ka khokahano ea 5V USB-C. Ha o sebelisa GUI ea komporo, molaoli oa servo o tlameha ho hokeloa ka thapo ea USB 2.0 (e kenyellelitsoeng) ho tloha boema-kepe ba data ea sesebelisoa ho ea ho PC e kentsoeng software ea Digital Servo Controller.

Loops ea fatše le DSC1
DSC1 e kenyelletsa potoloho ea ka hare ho fokotsa monyetla oa hore ho be le loops ea fatše. Thorlabs e fana ka maikutlo a ho sebelisa phepelo ea motlakase e laoloang e ka thoko ea DS5 kapa pakete ea betri ea kantle ea CPS1. Ka lisebelisoa tsa motlakase tsa DS5 kapa tsa CPS1, sebaka sa lets'oao se ka har'a DSC1 se phaphamala mabapi le sebaka sa lefatše sa phallo ea lebota. Likhokahano feela tsa sesebelisoa tse tloaelehileng sebakeng sena sa lets'oao ke phini ea fatše ea sehokelo sa matla sa USB-C le tsela e ka ntle, e khutlang holim'a thapo ea coaxial ea SMB. Khokahano ea data ea USB e arotsoe. Letšoao la ho kenya le na le sehanyetsi sa "loop break break" pakeng tsa tsela ea ho khutla ha lets'oao le sebaka se ka har'a sesebelisoa seo hangata se thibelang tšitiso ea loop ea fatše. Habohlokoa, ha ho na litsela tse peli tse tobileng sebakeng sa pontšo ea lisebelisoa, ho fokotsa ho etsahala ha li-loops tsa fatše.

Ho fokotsa kotsi ea ho kena-kenana le loop fatše, Thorlabs e fana ka maikutlo a mekhoa e latelang e metle: 

  • Boloka lithapo tsohle tsa motlakase le mats'oao ho sesebelisoa li le likhuts'oane.
  • Sebelisa betri (CPS1) kapa phepelo ea motlakase e ikhethileng (DS5) le DSC1. Sena se tiisa hore ho na le lets'oao la sesebelisoa se phaphametseng.
  • Se ke oa hokahanya litselana tsa ho khutlisa mats'oao a lisebelisoa tse ling ho tse ling.
    • E tloaelehileng example ke oscilloscope e tloaelehileng ea benchtop; hangata likhetla tse ka ntle tsa likhokahano tsa ho kenya BNC li hokahane ka kotloloho mobung oa lefatše. Likotoana tse ngata tsa fatše tse hokahaneng le node e le 'ngoe ea fatše tekong li ka baka loop ea fatše.

Le hoja DSC1 e ka 'na ea se na monyetla oa ho etsa hore ho be le leqhubu la fatše ka boeona, lisebelisoa tse ling ka laboratoring ea mosebedisi li ka 'na tsa se be le "ground loop" tse arohaneng, kahoo e ka ba mohloli oa lilupu tsa fatše.

Matla a DSC1
DSC1 Digital Servo Controller e hloka matla a 5 V ka USB-C ho fihla ho 0.75 A tlhoro ea hajoale le 0.55 A ts'ebetsong e tloaelehileng. Thorlabs e fana ka lisebelisoa tse peli tsa motlakase tse tsamaellanang: CPS1 le DS5. Lits'ebetsong tse nang le kutloelo-bohloko ea lerata kapa moo ho hlokahalang nako ea ho sebetsa e fetang lihora tse 8, phepelo ea motlakase e laoloang ke DS5 e ea khothaletsoa. Phepelo ea matla ea betri ea CPS1 e ea khothaletsoa ha ts'ebetso e nepahetseng ea lerata e batloa. Ha CPS1 e tjhajetswe ka botlalo mme e phela hantle, DSC1 e ka sebetsa dihora tse 8 kapa ho feta ntle le ho tjhaja hape.

Thorlabs Mabitso a Lefatše Lohle

Bakeng sa thuso kapa lipotso tse ling, sheba mabitso a Thorlabs a lefats'e ka bophara. Bakeng sa tšehetso ea tekheniki kapa lipotso tsa thekiso, ka kopo re etele ho www.thorlabs.com/contact bakeng sa lintlha tsa rona tsa morao-rao tsa puisano.

THORLABS-DSC1-Compact-Digital-Servo-Controller- (34)

Ntlo-kholo ea Tsamaiso
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United States
sales@thorlabs.com
techsupport@thorlabs.com

Moromelli oa EU
Thorlabs GmbH
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D-85232 Bergkirchen
Jeremane
sales.de@thorlabs.com
europe@thorlabs.com

Moetsi oa Lihlahisoa
Sehlopha sa Thorlabs, Inc.
43 Sparta Ave
Newton, New Jersey 07860 United States
sales@thorlabs.com
techsupport@thorlabs.com

Moromelli oa UK
Thorlabs Ltd.
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Ely CB6 3NX
united kingdom
sales.uk@thorlabs.com
techsupport.uk@thorlabs.com
www.thorlabs.com

Litokomane / Lisebelisoa

THORLABS DSC1 Compact Digital Servo Controller [pdf] Bukana ea Mosebelisi
DSC1, DSC1 Compact Digital Servo Controller, DSC1, Compact Digital Servo Controller, Digital Servo Controller, Servo Controller, Controller

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