CN204854772U - Circle inductosyn goniometer system suitable for AC servo revolving stage - Google Patents
Circle inductosyn goniometer system suitable for AC servo revolving stage Download PDFInfo
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- CN204854772U CN204854772U CN201520569184.3U CN201520569184U CN204854772U CN 204854772 U CN204854772 U CN 204854772U CN 201520569184 U CN201520569184 U CN 201520569184U CN 204854772 U CN204854772 U CN 204854772U
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Abstract
The utility model belongs to the technical field of inertial navigation test equipment, a circle inductosyn goniometer system suitable for AC servo revolving stage is related to. The utility model discloses in, FPGA is the axial angle converter and DSP data processing circuit provides the clock management, the signal that stimulates magnetism is exported to the axial angle converter, stimulates magnetism the signal through filter circuit, power drive circuit input to circle inductosyn, two way angular position analog signal of circle inductosyn output, it feeds back to the axial angle converter through coupling isolation input circuit, accurate linear amplifier circuit, differential signal transmission circuit, amplitude modulation phase adjusting circuit, axial angle converter output angular position digital quantity to DSP data processing circuit, while axial angle converter is exported two way quadrature pulse signal of angular position and export AC servo driver to after FPGA is handled, DSP data processing circuit transmits actual angle position data to the host computer through high -speed serial ports. The utility model discloses the AC servo revolving stage can be used for the vector control of AC servo driver again for providing angle position feedback.
Description
Technical field
The utility model belongs to inertial navigation testing apparatus technical field, is specifically related to a kind of round induction synchrometer angle measuring system being applicable to AC servo turntable.
Background technology
Inertial navigation system is the important Guidance Control Units of the aircraft such as aircraft, guided missile and rocket, and its precision determines the navigation accuracy of aircraft.Inertial navigation system is made up of gyro and accelerometer, these elements to vibration and temperature very responsive.But in actual use, vibration and temperature variation are inevitable.First, inertial navigation system directly bears the vibration of aircraft, impact and angular motion, can produce additional dynamic error; Secondly, along with the change of aircraft altitude, the temperature of environment residing for inertial navigation system also can acute variation, causes system to occur temperature drift errors.In order to simulate the working environment of inertial navigation system, developed inertial navigation system integrated environment calibrating installation, this device belongs to high performance AC servo turntable.
At present, AC servo turntable many employings scrambler as position transducer, with the vector controlled of the Systematical control and AC servo driver that are convenient to turntable.But in the AC servo turntable worked under the rugged surroundings such as dither, wide temperature, the serviceability of scrambler cannot meet turntable technical requirement.If adopt round induction synchrometer as the angular transducer in this device, although can cope with bad environment, but round induction synchrometer angle measuring system of the prior art is merely able to provide Angle Position data, cannot be provided for the pulse signal of the vector controlled of AC servo driver.
Utility model content
The utility model technical issues that need to address are: propose a kind of round induction synchrometer angle measuring system being applicable to AC servo turntable, it can either provide Angle Position to feed back for AC servo turntable, participate in turret systems control, the position pulse signal that two-way is orthogonal can be provided again, for the vector controlled of AC servo driver.
The technical solution of the utility model is as described below:
Be applicable to a round induction synchrometer angle measuring system for AC servo turntable, comprise round induction synchrometer and test circuit: described test circuit comprises FPGA, resolver-to-angle converter, filtering circuit, power driving circuit, coupling Isolation input circuit, precision linear amplifying circuit, differential signal transmission circuit, amplitude modulation and phase modulation circuit, DSP data processing circuit and power management module.Power management module provides power supply support for whole test circuit; FPGA provides Clock management for resolver-to-angle converter and DSP data processing circuit; Resolver-to-angle converter exports excited signal, and successively circuit and power driving circuit input to round induction synchrometer to excited signal after filtering; Round induction synchrometer exports two-way Angle Position simulating signal, and two-way output signal inputs to precision linear amplifying circuit after coupling Isolation input processing of circuit; The output signal of precision linear amplifying circuit transfers to amplitude modulation and phase modulation circuit through differential signal transmission circuit; The signal feedback that amplitude modulation and phase modulation circuit exports is to resolver-to-angle converter; The digital quantity of resolver-to-angle converter output angle position is to DSP data processing circuit, and the two-way orthogonal pulses signal of resolver-to-angle converter output angle position exports AC servo driver to after FPGA process simultaneously; Actual angular position data are transferred to host computer through High Speed Serial by DSP data processing circuit.
Preferably: the working method of described round induction synchrometer is the amplitude discrimination pattern of single-phase excitatory two-way output, the number of pole-pairs of round induction synchrometer for selecting, such as 360 to pole or 720 to pole.
Preferably: the signaling interface of described test circuit adopts difference output and differential received.
Preferably: FPGA adopts EP1C3T144 cake core, resolver-to-angle converter adopts AD2S1210 cake core, and DSP data processing circuit adopts TMS320F28335 cake core, and filtering circuit adopts UAF42 cake core, and power driving circuit adopts OPA548 cake core.
The beneficial effects of the utility model are:
(1) a kind of round induction synchrometer angle measuring system being applicable to AC servo turntable of the present utility model, on the basis that Angle Position data are provided, round induction synchrometer angle measuring system exports the orthogonal position pulse signal of two-way, scrambler can be imitated export, achieve the vector controlled of AC servo driver;
(2) a kind of round induction synchrometer angle measuring system being applicable to AC servo turntable of the present utility model, the processing mode that the main circuit of test circuit adopts resolver-to-angle converter to combine with FPGA, DSP, improve the integrated level of test circuit, thus simplify test circuit;
(3) a kind of round induction synchrometer angle measuring system being applicable to AC servo turntable of the present utility model, test circuit signaling interface adopts difference output and differential received, improves the transmission quality of signal, strengthens the transmittability of signal;
(4) a kind of round induction synchrometer angle measuring system being applicable to AC servo turntable of the present utility model, by the round induction synchrometer Angle Position data of High Speed Serial output increment formula;
(5) a kind of round induction synchrometer angle measuring system being applicable to AC servo turntable of the present utility model, the input of round induction synchrometer have employed differential excitation mode, improves signal quality, enhances driving force;
(6) a kind of round induction synchrometer angle measuring system being applicable to AC servo turntable of the present utility model, the design of round induction synchrometer test circuit structure is independent, integrated level is high, and application is convenient, is applicable to the turntable of any employing round induction synchrometer as angular position pick up.
Accompanying drawing explanation
Fig. 1 is a kind of round induction synchrometer angle measuring system composition schematic diagram being applicable to AC servo turntable of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, a kind of round induction synchrometer angle measuring system being applicable to AC servo turntable of the present utility model is described in detail.
A kind of round induction synchrometer angle measuring system being applicable to AC servo turntable of the present utility model comprises round induction synchrometer and test circuit, and output signal transfers to AC servo driver and host computer respectively.
As shown in Figure 1, described test circuit comprises FPGA, resolver-to-angle converter, filtering circuit, power driving circuit, coupling Isolation input circuit, precision linear amplifying circuit, differential signal transmission circuit, amplitude modulation and phase modulation circuit, DSP data processing circuit and power management module: power management module provides power supply support for whole test circuit; FPGA provides Clock management for resolver-to-angle converter and DSP data processing circuit; Resolver-to-angle converter exports excited signal, and excited signal priority after filtering circuit and power driving circuit inputs to round induction synchrometer, and filtering circuit reduces the degree of distortion of excited signal, and power driving circuit improves the driving force of excited signal; Round induction synchrometer exports two-way Angle Position simulating signal, and two-way output signal, through coupling Isolation input processing of circuit, avoids the mutual interference between round induction synchrometer and test circuit; The output signal of coupling Isolation input circuit inputs to precision linear amplifying circuit to realize signal amplifying function; The output signal of precision linear amplifying circuit transfers to amplitude modulation and phase modulation circuit through differential signal transmission circuit, to realize the adjustment to round induction synchrometer amplitude output signal and phase place; The signal feedback that amplitude modulation and phase modulation circuit exports is to resolver-to-angle converter; The digital quantity of resolver-to-angle converter output angle position is to DSP data processing circuit, and the two-way orthogonal pulses signal of resolver-to-angle converter output angle position exports AC servo driver to after FPGA process simultaneously; The digital quantity of DSP data processing circuit diagonal position carries out data processing, and actual angular position data are transferred to host computer through High Speed Serial.
In the present embodiment, the number of pole-pairs of described round induction synchrometer is optional, such as 360 to pole or 720 to pole, the working method of round induction synchrometer is the amplitude discrimination pattern of single-phase excitatory two-way output, be conducive to orthogonal pulses signal and the output of Angle Position data that scrambler is imitated in subsequent conditioning circuit process in this mode, and the dynamic property of AC servo turntable can be improved.
In the present embodiment, the signaling interface of described test circuit adopts difference output and differential received, improves the transmission quality of signal, enhances the transmittability of signal.
In the present embodiment, FPGA adopts EP1C3T144 cake core, and resolver-to-angle converter adopts AD2S1210 cake core, and DSP data processing circuit adopts TMS320F28335 cake core, and filtering circuit adopts UAF42 cake core, and power driving circuit adopts OPA548 cake core.
Claims (5)
1. one kind is applicable to the round induction synchrometer angle measuring system of AC servo turntable, comprise round induction synchrometer and test circuit, it is characterized in that: described test circuit comprises FPGA, resolver-to-angle converter, filtering circuit, power driving circuit, coupling Isolation input circuit, precision linear amplifying circuit, differential signal transmission circuit, amplitude modulation and phase modulation circuit, DSP data processing circuit and power management module: power management module provides power supply support for whole test circuit; FPGA provides Clock management for resolver-to-angle converter and DSP data processing circuit; Resolver-to-angle converter exports excited signal, and successively circuit and power driving circuit input to round induction synchrometer to excited signal after filtering; Round induction synchrometer exports two-way Angle Position simulating signal, and two-way output signal inputs to precision linear amplifying circuit after coupling Isolation input processing of circuit; The output signal of precision linear amplifying circuit transfers to amplitude modulation and phase modulation circuit through differential signal transmission circuit; The signal feedback that amplitude modulation and phase modulation circuit exports is to resolver-to-angle converter; The digital quantity of resolver-to-angle converter output angle position is to DSP data processing circuit, and the two-way orthogonal pulses signal of resolver-to-angle converter output angle position exports AC servo driver to through FPGA simultaneously; Actual angular position data are transferred to host computer through High Speed Serial by DSP data processing circuit.
2. a kind of round induction synchrometer angle measuring system being applicable to AC servo turntable according to claim 1, is characterized in that: the working method of described round induction synchrometer is the amplitude discrimination pattern of single-phase excitatory two-way output.
3. a kind of round induction synchrometer angle measuring system being applicable to AC servo turntable according to claim 1 and 2, is characterized in that: the number of pole-pairs of described round induction synchrometer be 360 to or 720 right.
4. a kind of round induction synchrometer angle measuring system being applicable to AC servo turntable according to claim 1 and 2, is characterized in that: the signaling interface of described test circuit adopts difference output and differential received.
5. a kind of round induction synchrometer angle measuring system being applicable to AC servo turntable according to claim 1 and 2, it is characterized in that: FPGA adopts EP1C3T144 cake core, resolver-to-angle converter adopts AD2S1210 cake core, DSP data processing circuit adopts TMS320F28335 cake core, filtering circuit adopts UAF42 cake core, and power driving circuit adopts OPA548 cake core.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520569184.3U CN204854772U (en) | 2015-07-31 | 2015-07-31 | Circle inductosyn goniometer system suitable for AC servo revolving stage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520569184.3U CN204854772U (en) | 2015-07-31 | 2015-07-31 | Circle inductosyn goniometer system suitable for AC servo revolving stage |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132041A (en) * | 2016-11-30 | 2018-06-08 | 北京航天计量测试技术研究所 | A kind of frequency dividing excitatory method in babble synchronizer turntable |
| CN110285750A (en) * | 2019-05-06 | 2019-09-27 | 上海航天控制技术研究所 | A kind of precision angle circuit and angle-measuring method |
| CN110567362A (en) * | 2019-07-29 | 2019-12-13 | 上海卫星装备研究所 | automatic amplitude modulation method, system and medium applied to induction synchronizer |
| CN110568836A (en) * | 2019-08-14 | 2019-12-13 | 上海航天控制技术研究所 | dynamic performance debugging method and system suitable for servo system |
| CN112666865A (en) * | 2020-12-16 | 2021-04-16 | 中国航空工业集团公司北京航空精密机械研究所 | Clock synchronization turntable control system based on induction synchronizer |
-
2015
- 2015-07-31 CN CN201520569184.3U patent/CN204854772U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132041A (en) * | 2016-11-30 | 2018-06-08 | 北京航天计量测试技术研究所 | A kind of frequency dividing excitatory method in babble synchronizer turntable |
| CN110285750A (en) * | 2019-05-06 | 2019-09-27 | 上海航天控制技术研究所 | A kind of precision angle circuit and angle-measuring method |
| CN110567362A (en) * | 2019-07-29 | 2019-12-13 | 上海卫星装备研究所 | automatic amplitude modulation method, system and medium applied to induction synchronizer |
| CN110568836A (en) * | 2019-08-14 | 2019-12-13 | 上海航天控制技术研究所 | dynamic performance debugging method and system suitable for servo system |
| CN110568836B (en) * | 2019-08-14 | 2020-07-28 | 上海航天控制技术研究所 | Dynamic performance debugging method and system suitable for servo system |
| CN112666865A (en) * | 2020-12-16 | 2021-04-16 | 中国航空工业集团公司北京航空精密机械研究所 | Clock synchronization turntable control system based on induction synchronizer |
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