CN102141809B - Speedometer-based parameter tester for tracking frame of photoelectric tracking system - Google Patents
Speedometer-based parameter tester for tracking frame of photoelectric tracking system Download PDFInfo
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- CN102141809B CN102141809B CN 201010615555 CN201010615555A CN102141809B CN 102141809 B CN102141809 B CN 102141809B CN 201010615555 CN201010615555 CN 201010615555 CN 201010615555 A CN201010615555 A CN 201010615555A CN 102141809 B CN102141809 B CN 102141809B
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Abstract
The invention relates to the measurement field, in particular to a speedometer-based parameter tester for a tracking frame of a photoelectric tracking system. The parameter tester comprises a speedometer, a computer, an adjustable power device, a signal acquisition card and a PWM (Pulse Width Modulation) output card. By applying a modern computer control technology and a signal processing technology and adopting the speedometer as a feedback element, the parameter tester provided by the invention can be used for testing and detecting various parameters of the tracking frame of general equipment, can be applied to the process detection of various tracking frames and is favorable to improvement of the production quality of the tracking frames.
Description
Technical field
The present invention relates to field of measurement, particularly a kind of photoelectric follow-up track frame parameter tester based on velograph.
Background technology
According to Automatic Control Theory, the model of servo-control system controlled device is as the important evidence of design of Controller, and whether its parameter measurement has accurately directly determined the quality of design of Controller.For electro-optical tracking device, torque motor and track frame directly are coupled as servo-controlled controlling object.Accurately measuring its parameter, is the basis of servo control design personnel CONTROLLER DESIGN, finally influences each item tracking performance index of equipment.In addition, because the resonance frequency of track frame has directly determined the size of servo bandwidth, the size of bandwidth has directly determined the response time, tracking velocity of equipment etc., so resonance frequency also needs accurately to measure.
In electro-optical tracking device in the past, the mensuration of track frame parameter resonant frequency need be measured by the servo control design personnel being after track frame and scrambler installation.Scrambler is as feedback element, and its fault and measuring error directly influence measurement result, is unfavorable for the express analysis problem.And this method needs the servo control design personnel to participate in directly.Therefore, it is imperative to develop a kind of novel track frame parameter tester.
Summary of the invention
To the problems referred to above, in order to address the deficiencies of the prior art, the object of the invention just is to provide a kind of photoelectric follow-up track frame parameter tester based on velograph, can effectively solve the parameter measurement out of true, need manually-operated problem.
The technical scheme that technical solution problem of the present invention adopts is that the photoelectric follow-up track frame parameter tester based on velograph comprises velograph and computing machine; It is characterized in that; This device also comprises power-adjustable level, data acquisition card, PWM output card (PWM, Pulse wide modulation, width modulation); Described PWM output card links to each other with computing machine, and computing machine will be controlled and transfer bandwidth signals to pass to the PWM output card; Described PWM output card links to each other with the power-adjustable level, and the power-adjustable level receives and produces direct current after bandwidth signals is transferred in control; Described power-adjustable level links to each other with track frame through torque motor, and torque motor drives track frame and rotates; Described velograph is contained on the track frame, and velograph is measured the speed of track frame in the track frame rotating process; Described velograph links to each other with data acquisition card, and velograph passes to data acquisition card with the rate signal that measures; Described data acquisition card links to each other with computing machine, and data acquisition card passes to computing machine with the rate signal that collects, and computing machine carries out overall treatment to transmitting the rate signal that comes, and on the display of computing machine, shows.
The present invention uses modern computer control technology and signal processing technology; Employing speed is counted feedback element; Can carry out test of track frame parameters and detection to common apparatus, can instrument be used for various track frame procedure inspections, help improving the track frame quality of production.
Description of drawings
Fig. 1 is the photoelectric follow-up track frame parameter tester structured flowchart based on velograph of the present invention.
Fig. 2 is the photoelectric follow-up track frame parameter tester circuit diagram based on velograph of the present invention.
Fig. 3 is a PWM output card structured flowchart of the present invention.
Fig. 4 is a data acquisition card structured flowchart of the present invention.
Fig. 5 is a power-adjustable level structure block diagram of the present invention.
Fig. 6 is the main program flow chart of computer software of the present invention.
Embodiment
Make detailed description below in conjunction with the accompanying drawing specific embodiments of the invention.
By shown in Figure 1; Photoelectric follow-up track frame parameter tester based on velograph; Comprise velograph and computing machine, it is characterized in that this device also comprises power-adjustable level, data acquisition card, PWM output card; Described PWM output card links to each other with computing machine, and computing machine will be controlled and transfer bandwidth signals to pass to the PWM output card; Described PWM output card links to each other with the power-adjustable level, and the power-adjustable level receives and produces direct current after bandwidth signals is transferred in control; Described power-adjustable level links to each other with track frame through torque motor, and torque motor drives track frame and rotates; Described velograph is contained on the track frame, and velograph is measured the speed of track frame in the track frame rotating process; Described velograph links to each other with data acquisition card, and velograph passes to data acquisition card with the rate signal that measures; Described data acquisition card links to each other with computing machine, and data acquisition card passes to computing machine with the rate signal that collects, and computing machine carries out overall treatment to transmitting the rate signal that comes, and on the display of computing machine, shows.
By shown in Figure 2, the pin SA [2:9] of described computing machine meets the pin SA [2:9] of PWM output card, and the pin SD [0:7] of computing machine meets the pin SD [0:7] of PWM output card; The pin IOR of computing machine connect the PWM output card pin IOR; The pin IOW of computing machine meets the pin IOW of PWM output card, and the pin PWM1 of PWM output card meets the pin Up of power-adjustable level, and the pin PWM2 of PWM output card meets the pin Vp of power-adjustable level; The pin PWM3 of PWM output card meets the pin Un of power-adjustable level; The pin PWM4 of PWM output card meets the pin Vn of power-adjustable level, the pin S1 of the pin S1 relay torque motor of power-adjustable level, the pin S2 of the pin S2 relay torque motor of power-adjustable level; The pin AO of velograph meets the pin AI of data acquisition card; The pin AGND of velograph meets the pin AGND of data acquisition card, and the pin TXD+ of data acquisition card meets the pin RXD+ of computing machine, and the pin TXD-of data acquisition card meets the pin RXD-of computing machine.
By shown in Figure 3; Described PWM output card comprises programmable logic device, long line driver module and plug; Described programmable logic device links to each other with computing machine, and computing machine will be controlled and transfer bandwidth signals to pass to programmable logic device, and programmable logic device feeds back to computing machine after receiving signal; Programmable logic device links to each other with plug through long line driver module, and the signal after programmable logic device will be handled passes to plug through long line driver module;
The pin SD [0:7] of described computing machine meets the pin SD [0:7] of programmable logic device, and the pin SA [2:9] of computing machine meets the pin SA [2:9] of programmable logic device, and the pin PWM [1:7] of programmable logic device is through the pin PWM [1:7] of long line driver module plug.
By shown in Figure 4, described data acquisition card comprises A/D conversion chip, single-chip microcomputer and level slip sub-signal chip, and described A/D conversion chip links to each other with single-chip microcomputer, and the rate signal of A/D conversion chip inbound pacing instrumentation amount also passes to single-chip microcomputer; Single-chip microcomputer links to each other with level slip sub-signal chip, and single-chip microcomputer will transmit and feed back to the A/D conversion chip after the rate signal that comes is handled, and pass to level slip sub-signal chip.
The pin VinA of described A/D conversion chip connects velograph, and the pin P [0:11] of A/D conversion chip meets the pin DB [0:11] of single-chip microcomputer, and the control bus of A/D conversion chip connects single-chip microcomputer, and the TX of single-chip microcomputer connects the DI pin of level slip sub-signal chip.
By shown in Figure 5; Described power-adjustable level comprises Wiring port, PWM output logic circuit, isolated drive circuit, power driver module, amplifier and power supply; Described Wiring port links to each other with the PWM output logic circuit, and the PWM output card will transmit the signal that comes and pass to the PWM output logic circuit through Wiring port; The PWM output logic circuit links to each other with power driver module through isolated drive circuit, and the PWM output logic circuit will transmit the signal that comes and pass to power driver module through isolated drive circuit; Power driver module links to each other with amplifier, and power driver module passes to amplifier with signal and carries out the signal amplification; Amplifier links to each other with power supply.
Computing machine among the present invention adopts Taiwan Ling Hua industrial computer; Velograph adopts the gyro that tests the speed; The model of the programmable logic device of PWM output card is EPM3256-144; The model of the long line driver module of PWM output card is 74s140, and the model of the A/D conversion chip of data acquisition card is AD7864-1, and the single-chip microcomputer model of data acquisition card is MP430F169; The model of the level slip sub-signal chip of data acquisition card is MAX3490, and the model of the power driver module of power-adjustable level is IPM30CSJ060.
The course of work of the present invention: computing machine is the signals collecting and the control center of whole instrument, and computing machine transfers wide ripple to adjustable piezoelectricity acc power level through the output of PWM output card, and power level produces direct-current drive driven by motor track frame and rotates.Be positioned over the velocity of rotation of the velograph measurement track frame on the track frame, carry out overall treatment, on screen, show the transport function of track frame after the computing by delivering to computing machine after the data acquisition card collection.
Computer software main program flow chart of the present invention is as shown in Figure 6, adopts the following step:
1) power supply opening, computing machine is started working;
2) become hardware resource to carry out the initialization setting to computing machine;
3) input test parameter;
4) according to input test parameter creation task ready list and task priority table be set;
5) creation task;
6) picking rate counting certificate is carried out Filtering Processing to data;
7) data processing is calculated the track frame parameter;
8) output tracking frame measurement result;
9) program withdraws from.
The present invention uses modern computer control technology and signal processing technology; Employing speed is counted feedback element; Can carry out test of track frame parameters and detection to common apparatus, can instrument be used for various track frame procedure inspections, help improving the track frame quality of production.
Claims (4)
1. based on the photoelectric follow-up track frame parameter tester of velograph; Comprise velograph and computing machine; It is characterized in that; This device also comprises power-adjustable level, data acquisition card, PWM output card, and described PWM output card links to each other with computing machine, and computing machine will be controlled and transfer bandwidth signals to pass to the PWM output card; Described PWM output card links to each other with the power-adjustable level, and the power-adjustable level receives and produces direct current after bandwidth signals is transferred in control; Described power-adjustable level links to each other with track frame through torque motor, and torque motor drives track frame and rotates; Described velograph is contained on the track frame, and velograph is measured the speed of track frame in the track frame rotating process; Described velograph links to each other with data acquisition card, and velograph passes to data acquisition card with the rate signal that measures; Described data acquisition card links to each other with computing machine, and data acquisition card passes to computing machine with the rate signal that collects, and computing machine carries out overall treatment to transmitting the rate signal that comes, and on the display of computing machine, shows.
2. the photoelectric follow-up track frame parameter tester based on velograph according to claim 1; It is characterized in that; Said PWM output card comprises programmable logic device, long line driver module and plug; Said programmable logic device links to each other with computing machine, and computing machine will be controlled and transfer bandwidth signals to pass to programmable logic device, and programmable logic device feeds back to computing machine after receiving signal; Programmable logic device links to each other with plug through long line driver module, and the signal after programmable logic device will be handled passes to plug through long line driver module.
3. the photoelectric follow-up track frame parameter tester based on velograph according to claim 1; It is characterized in that; Described data acquisition card comprises A/D conversion chip, single-chip microcomputer and level slip sub-signal chip; Described A/D conversion chip links to each other with single-chip microcomputer, and the rate signal of A/D conversion chip inbound pacing instrumentation amount also passes to single-chip microcomputer; Single-chip microcomputer links to each other with level slip sub-signal chip, and single-chip microcomputer will transmit and feed back to the A/D conversion chip after the rate signal that comes is handled, and pass to level slip sub-signal chip.
4. the photoelectric follow-up track frame parameter tester based on velograph according to claim 1; It is characterized in that; Described power-adjustable level comprises Wiring port, PWM output logic circuit, isolated drive circuit, power driver module, amplifier and power supply; Described Wiring port links to each other with the PWM output logic circuit, and the PWM output card will transmit the signal that comes and pass to the PWM output logic circuit through Wiring port; The PWM output logic circuit links to each other with power driver module through isolated drive circuit, and the PWM output logic circuit will transmit the signal that comes and pass to power driver module through isolated drive circuit; Power driver module links to each other with amplifier, and power driver module passes to amplifier with signal and carries out the signal amplification; Amplifier links to each other with power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010615555 CN102141809B (en) | 2010-12-30 | 2010-12-30 | Speedometer-based parameter tester for tracking frame of photoelectric tracking system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010615555 CN102141809B (en) | 2010-12-30 | 2010-12-30 | Speedometer-based parameter tester for tracking frame of photoelectric tracking system |
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| Publication Number | Publication Date |
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| CN102141809A CN102141809A (en) | 2011-08-03 |
| CN102141809B true CN102141809B (en) | 2012-12-12 |
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| CN 201010615555 Expired - Fee Related CN102141809B (en) | 2010-12-30 | 2010-12-30 | Speedometer-based parameter tester for tracking frame of photoelectric tracking system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013026211A1 (en) * | 2011-08-25 | 2013-02-28 | 长沙中联重工科技发展股份有限公司 | Control method and control system for rotation mechanism of engineering machinery and engineering machinery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294800A (en) * | 2007-04-28 | 2008-10-29 | 长春奥普光电技术股份有限公司 | Frame angle calibration method and apparatus of multi-frame optoelectronic platform |
| CN101929841A (en) * | 2010-08-31 | 2010-12-29 | 中国科学院长春光学精密机械与物理研究所 | Method for calibrating distance between lens fiber node and rotation axis of uniaxial tracking frame |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294800A (en) * | 2007-04-28 | 2008-10-29 | 长春奥普光电技术股份有限公司 | Frame angle calibration method and apparatus of multi-frame optoelectronic platform |
| CN101929841A (en) * | 2010-08-31 | 2010-12-29 | 中国科学院长春光学精密机械与物理研究所 | Method for calibrating distance between lens fiber node and rotation axis of uniaxial tracking frame |
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| CN102141809A (en) | 2011-08-03 |
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