CN106406274A - Simulation test device based on all-digital control circuit and simulation test method thereof - Google Patents
Simulation test device based on all-digital control circuit and simulation test method thereof Download PDFInfo
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- CN106406274A CN106406274A CN201610779253.2A CN201610779253A CN106406274A CN 106406274 A CN106406274 A CN 106406274A CN 201610779253 A CN201610779253 A CN 201610779253A CN 106406274 A CN106406274 A CN 106406274A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24048—Remote test, monitoring, diagnostic
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention belongs to the technical field of circuit testing, particularly relates to servo system control circuit detection of an aerospace product, and provides a simulation test device based on an all-digital control circuit. The technical scheme is that the simulation test device comprises a control unit (1), a signal simulation unit (2) and a tested control circuit unit (3). The invention also provides a simulation test method based on the all-digital control circuit. The technical scheme is that the simulation test method comprises the following steps of A. gyro channel testing; B. potentiometer channel testing; C. PWM signal function testing; and D. communication function testing. With application of the simulation test device based on the all-digital control circuit and the simulation test method thereof, rapid and accurate automatic testing of the servo control system of the aerospace product can be performed.
Description
Technical field
The invention belongs to circuit testing technology field, particularly to the servo system control electric circuit inspection of certain space product.
Background technology
In the servo-control system of space product, the means of fault detect and precision are to ensure that the normal pass run of system
Key, the Function detection of servo system control circuit unit is one of core link.In the production of product and be delivered for use
During, exactly fault detect is carried out to servo system control circuit unit, can quick positioning failure, when shortening maintenance
Between, greatly improve production efficiency.
Content of the invention
The purpose of the present invention is：There is provided a kind of simulating test device based on Full-digital control circuit and method, with accurate
Simulate the various desired signals of tested control circuit unit, and accurately measure the various numerals of tested control circuit unit output
Amount and analogue signal, thus realize the comprehensive test to tested control circuit unit comprehensive index.
The technical scheme is that：Based on the simulating test device of Full-digital control circuit, it includes：Manipulation unit,
Signal imitation unit and tested control circuit unit；
Manipulation unit includes：For sending the potentiometer channel test module of test potentiometer signal, for sending gyro
The gyro channel test module of test signal, for sending the communication test module of communication function test signal, display is by observing and controlling
The output voltage display module of circuit unit output voltage processed, the PWM output display of display tested control circuit unit PWM output
Module, shows the whether normal display lamp group of tested control circuit unit various functions；
Signal imitation unit includes：Receive manipulation unit testing signal and the DSP of process, feedback test signal is digital
Control circuit, the RC filter circuit that the pwm signal that tested control circuit unit is exported is filtered, to tested control circuit list
The gyro test of unit's output feeds back signal and RC filter circuit output signal carries out the first translation circuit of AD conversion, to DSP
The test potentiometer signal of Full-digital control circuit output and gyro test signal carry out a DA translation circuit of DA conversion, with
Tested control circuit unit is communicated to detect tested control circuit unit communications function whether normal tracker communication work(
Energy analog circuit, the bleeder circuit that the potentiometer supply voltage signal that tested control circuit unit is fed back is processed；
Tested control circuit unit includes：The precision voltage source module of running voltage is provided for potentiometer, controls tested control
The communication controller of circuit unit communication signal output, the gyro test to a DA translation circuit output in signal imitation unit
The first discharge circuit that signal is processed successively, the 2nd AD translation circuit, the first single-chip microcomputer, and process gyro test feedback
2nd DA translation circuit of signal, enters successively to the test potentiometer signal of a DA translation circuit output in signal imitation unit
Second discharge circuit of row process, the 3rd AD translation circuit, second singlechip, are carried out to precision voltage source module and communication controller
Piece choosing, with the decoder of the test of switching electric potential device and communication test, provides the first memory of data storage for the first single-chip microcomputer,
The second memory of data storage is provided for second singlechip.
Based on the analog detection method of Full-digital control circuit, it is using as above based on Full-digital control circuit
Simulating test device, and comprise the following steps：
A. gyro lane testing
Gyro channel test module sends gyro test signal to DSP full-digital control circuit, DSP full-digital control circuit
The gyro test receiving signal is sent to a DA translation circuit be converted into after gyro test analogue signal exporting to tested
Control circuit unit；The gyro test receiving analogue signal is transferred to through the first discharge circuit by tested control circuit unit
Two AD translation circuits, then deliver to the first single-chip microcomputer；First single-chip microcomputer by the velocity amplitude of the gyro test receiving analogue signal with
Setting speed value is compared, and in the case that the velocity amplitude of gyro test analogue signal is not up to setting speed value, first is single
Piece machine sends for driving gyro to reach the pwm signal of setting speed value to RC filter circuit, i.e. command speed signal；Through RC
Pwm signal after filter circuit is processed sends to DSP full-digital control circuit after an AD translation circuit is processed, and DSP is complete
The pwm signal receiving is fed back to the display lamp group of manipulation unit by digital control circuit；
The gyro test receiving analogue signal is sequentially passed through the 2nd DA translation circuit and first by the first single-chip microcomputer simultaneously
AD translation circuit sends to DSP full-digital control circuit after processing, and DSP full-digital control circuit is by the gyro test receiving mould
The angle value intending signal is compared with set angle angle value, is not up to set angle angle value in the angle value of gyro test analogue signal
In the case of, DSP full-digital control circuit sends for driving gyro to reach the signal of set angle angle value to display lamp group, that is, refer to
Make angle signal；According to command speed signal and instruction angle signal, display lamp group carries out whether gyro passage normally shows；
B. potentiometer lane testing
Potentiometer channel test module sends test potentiometer signal to DSP full-digital control circuit, DSP full-digital control
The test potentiometer receiving signal is sent to the 2nd AD translation circuit and carries out digital-to-analogue conversion by circuit, the current potential after digital-to-analogue conversion
Device test signal second discharge circuit is transferred to the 3rd AD translation circuit, then delivers to second singlechip, and second singlechip will receive
To test potentiometer signal be compared with setting position information, according to comparative result pass through decoder selection precision voltage source mould
Block exports potentiometer supply voltage signal, and the potentiometer supply voltage signal of output is delivered to through bleeder circuit in signal imitation unit
DSP full-digital control circuit, DSP full-digital control circuit carries out the potentiometer receiving supply voltage signal after digital-to-analogue conversion
Feed back to the manipulation output voltage display module of unit and display lamp group, whether just to enter line output voltage and potentiometer function respectively
Normal display；
C.PWM semiotic function is tested
The pwm signal that in tested control circuit unit, the first single-chip microcomputer generates, through the RC filtered electrical in signal imitation unit
Road filter, analog digital conversion is carried out by an AD translation circuit, after through DSP full-digital control electronic feedback give manipulation unit in
PWM output display module and display lamp group, carry out pwm signal respectively and whether pwm signal function normally shows；
D. communication function test
Communication test module in manipulation unit sends communication function test signal to DSP full-digital control circuit, and DSP is complete
Digital control circuit controls electricity by tracker communication function analog circuit with tested after collecting communication function test signal
Second singlechip communication in the unit of road, second singlechip is given by decoder communication control controller outputting communication control signal
Tracker communication function analog circuit in signal imitation unit, tracker communication function analog circuit feedback communication signal is given
DSP full-digital control circuit, gives the display lamp group in manipulation unit through DSP full-digital control electronic feedback, and display lamp group is carried out
Whether communication function normally shows.
Beneficial effect：The application present invention can carry out fast and accurately automatic to the servo-control system of certain space product
Test.
Brief description
Fig. 1 is the structured flowchart of the present invention.
Specific embodiment
Embodiment 1, referring to accompanying drawing, based on the simulating test device of Full-digital control circuit, it includes：Manipulation unit 1, letter
Number analogue unit 2 and tested control circuit unit 3；
Manipulation unit 1 includes：For sending the potentiometer channel test module 1.1 of test potentiometer signal, for sending
The gyro channel test module 1.2 of gyro test signal, for sending the communication test module 1.3 of communication function test signal,
Show the output voltage display module 1.4 of tested control circuit unit 3 output voltage, show that tested control circuit unit 3PWM is defeated
The PWM output display module 1.5 going out, shows the whether normal display lamp group 1.6 of tested control circuit unit 3 various functions；
Signal imitation unit 2 includes：Receive manipulation unit 1 test signal and the DSP of process, feedback test signal is total
Word control circuit 2.1, the RC filter circuit 2.2 that the pwm signal that tested control circuit unit 3 is exported is filtered, to tested
The gyro test feedback signal of control circuit unit 3 output and RC filter circuit 2.2 output signal carry out the first of AD conversion
Translation circuit 2.4, carries out DA change to the test potentiometer signal and gyro test signal of DSP full-digital control circuit 2.1 output
The DA translation circuit 2.5 changing, is communicated with tested control circuit unit 3 to detect that tested control circuit unit 3 communicates
Function whether normal tracker communication function analog circuit 2.3, electricity that the potentiometer of tested control circuit unit 3 feedback is powered
The bleeder circuit 2.6 that pressure signal is processed；
Tested control circuit unit 3 includes：The precision voltage source module 3.12 of running voltage is provided for potentiometer, controls tested
The communication controller 3.11 of control circuit unit 3 communication signal output, to a DA translation circuit 2.5 in signal imitation unit 2
Output gyro test signal processed successively the first discharge circuit 3.1, the 2nd AD translation circuit 3.4, the first single-chip microcomputer
3.6, and process the 2nd DA translation circuit 3.10 that gyro test feeds back signal, to a DA conversion in signal imitation unit 2
The second discharge circuit 3.2 that the test potentiometer signal of circuit 2.5 output is processed successively, the 3rd AD translation circuit 3.5, the
Two single-chip microcomputers 3.7, carry out piece choosing and with the test of switching electric potential device and communicate to precision voltage source module 3.12 and communication controller 3.11
The decoder 3.3 of test, provides the first memory 3.8 of data storage, is that second singlechip 3.7 carries for the first single-chip microcomputer 3.6
Second memory 3.9 for data storage.
Embodiment 2：Based on the analog detection method of Full-digital control circuit, it is complete using being based on as described in Example 1
The simulating test device of digital control circuit, and comprise the following steps：
A. gyro lane testing
Gyro channel test module 1.2 sends gyro test signal to DSP full-digital control circuit 2.1, the digital control of DSP
The gyro test receiving signal is sent to a DA translation circuit 2.5 and is converted into gyro test analogue signal by circuit 2.1 processed
After export to tested control circuit unit 3；Tested control circuit unit 3 is by the gyro test receiving analogue signal through the first fortune
Electric discharge road 3.1 is transferred to the 2nd AD translation circuit 3.4, then delivers to the first single-chip microcomputer 3.6；First single-chip microcomputer 3.6 will receive
The velocity amplitude of gyro test analogue signal is compared with setting speed value, is not up in the velocity amplitude of gyro test analogue signal
In the case of setting speed value, the first single-chip microcomputer 3.6 sends for driving gyro to reach setting speed value to RC filter circuit 2.2
Pwm signal, i.e. command speed signal；Pwm signal after RC filter circuit 2.2 is processed passes through an AD translation circuit
Send after 2.4 process to DSP full-digital control circuit 2.1, the pwm signal receiving is fed back by DSP full-digital control circuit 2.1
Display lamp group 1.6 to manipulation unit 1；
The gyro test receiving analogue signal is sequentially passed through the 2nd DA translation circuit 3.10 by the first single-chip microcomputer 3.6 simultaneously
Send to DSP full-digital control circuit 2.1 after processing with an AD translation circuit 2.4, DSP full-digital control circuit 2.1 will connect
The angle value of gyro test analogue signal receiving and set angle angle value are compared, in the angle value of gyro test analogue signal
Not up in the case of set angle angle value, DSP full-digital control circuit 2.1 sends for driving gyro to reach to display lamp group 1.6
To the signal of set angle angle value, that is, instruct angle signal；Display lamp group 1.6 is entered according to command speed signal and instruction angle signal
Whether row gyro passage normally shows；
B. potentiometer lane testing
Potentiometer channel test module 1.1 sends test potentiometer signal to DSP full-digital control circuit 2.1, and DSP is total
The test potentiometer receiving signal is sent to the 2nd AD translation circuit 2.5 and carries out digital-to-analogue conversion, digital-to-analogue by word control circuit 2.1
Test potentiometer signal the second discharge circuit 3.2 after conversion is transferred to the 3rd AD translation circuit 3.5, then delivers to second singlechip
3.7, the test potentiometer receiving signal is compared by second singlechip 3.7 with setting position information, according to comparative result
Precision voltage source module 3.12 is selected to export potentiometer supply voltage signal, the potentiometer supply voltage of output by decoder 3.3
Signal delivers to DSP full-digital control circuit 2.1, DSP full-digital control circuit 2.1 through bleeder circuit 2.6 in signal imitation unit 2
The potentiometer receiving supply voltage signal is carried out feeding back to the output voltage display module of manipulation unit 1 after digital-to-analogue conversion
1.4 and display lamp group 1.6, enter line output voltage respectively and whether potentiometer function normally shows；
C.PWM semiotic function is tested
The pwm signal that in tested control circuit unit 3, first single-chip microcomputer 3.6 generates, through the RC filter in signal imitation unit 2
Wave circuit 2.2 filters, and carries out analog digital conversion by an AD translation circuit 2.4, after feed back through DSP full-digital control circuit 2.1
To the PWM output display module 1.5 in manipulation unit 1 and display lamp group 1.6, carry out pwm signal respectively and pwm signal function is
No normal display；
D. communication function test
Communication test module 1.3 in manipulation unit 1 sends communication function test signal to DSP full-digital control circuit
2.1, DSP full-digital control circuit 2.1 passes through tracker communication function analog circuit after collecting communication function test signal
2.3 are communicated with the second singlechip 3.7 in tested control circuit unit 3, and it is logical that second singlechip 3.7 passes through decoder 3.3 control
News controller 3.11 outputting communication control signal, to the tracker communication function analog circuit 2.3 in signal imitation unit 2, is followed the tracks of
Device communication function analog circuit 2.3 feedback communication signal to DSP full-digital control circuit 2.1, through DSP full-digital control circuit
2.1 feed back to the display lamp group 1.6 in manipulation unit 1, and display lamp group 1.6 carries out whether communication function normally shows.
Claims (2)
1. the simulating test device based on Full-digital control circuit, is characterized in that：It includes：Manipulation unit (1), signal mode is quasi-simple
First (2) and tested control circuit unit (3)；
Described manipulation unit (1) includes：For sending the potentiometer channel test module (1.1) of test potentiometer signal, it is used for
Send the gyro channel test module (1.2) of gyro test signal, for sending the communication test mould of communication function test signal
Block (1.3), shows the output voltage display module (1.4) of tested control circuit unit (3) output voltage, and display is tested to control electricity
Whether just PWM output display module (1.5) of road unit (3) PWM output, show tested control circuit unit (3) various functions
Normal display lamp group (1.6)；
Described signal imitation unit (2) includes：Receive described manipulation unit (1) test signal and process, feedback test signal
DSP full-digital control circuit (2.1), RC that the pwm signal that described tested control circuit unit (3) is exported is filtered filter
Wave circuit (2.2), the gyro test feedback signal that described tested control circuit unit (3) is exported and described RC filter circuit
(2.2) output signal carries out first translation circuit (2.4) of AD conversion, and described DSP full-digital control circuit (2.1) is exported
Test potentiometer signal and gyro test signal carry out a DA translation circuit (2.5) of DA conversion, tested control electricity with described
Road unit (3) is communicated to detect described tested control circuit unit (3) communication function whether normal tracker communication work(
Energy analog circuit (2.3), what the potentiometer supply voltage signal that described tested control circuit unit (3) is fed back was processed divides
Volt circuit (2.6)；
Described tested control circuit unit (3) includes：The precision voltage source module (3.12) of running voltage is provided for potentiometer, controls
The communication controller (3.11) of described tested control circuit unit (3) communication signal output, in described signal imitation unit (2)
The first discharge circuit (3.1) that the gyro test signal that a described DA translation circuit (2.5) exports is processed successively, second
AD translation circuit (3.4), the first single-chip microcomputer (3.6), and process the 2nd DA translation circuit that gyro test feeds back signal
(3.10) the test potentiometer signal, a DA translation circuit (2.5) described in described signal imitation unit (2) being exported is successively
The second discharge circuit (3.2) of being processed, the 3rd AD translation circuit (3.5), second singlechip (3.7), to described accurate electricity
Source module (3.12) and described communication controller (3.11) carry out piece choosing with the decoder of the test of switching electric potential device and communication test
(3.3) it is, the first memory (3.8) that described first single-chip microcomputer (3.6) provides data storage, be described second singlechip
(3.7) second memory (3.9) of data storage is provided.
2. the analog detection method based on Full-digital control circuit, it is using as claimed in claim 1 based on all-digitized demodulator
The simulating test device of circuit, and comprise the following steps：
A. gyro lane testing
Described gyro channel test module (1.2) sends gyro test signal to described DSP full-digital control circuit (2.1), institute
State DSP full-digital control circuit (2.1) and the gyro test receiving signal is sent to a described DA translation circuit (2.5) turn
Export after changing gyro test analogue signal into described tested control circuit unit (3)；Described tested control circuit unit (3) will
The gyro test analogue signal receiving is transferred to described 2nd AD translation circuit (3.4) through described first discharge circuit (3.1),
Deliver to described first single-chip microcomputer (3.6) again；Described first single-chip microcomputer (3.6) is by the speed of the gyro test receiving analogue signal
Value is compared with setting speed value, in the case that the velocity amplitude of gyro test analogue signal is not up to setting speed value, institute
State the first single-chip microcomputer (3.6) and send for driving gyro to reach the pwm signal of setting speed value to RC filter circuit (2.2), that is,
Command speed signal；Pwm signal after described RC filter circuit (2.2) is processed passes through a described AD translation circuit
(2.4) send to DSP full-digital control circuit (2.1) after processing, described DSP full-digital control circuit (2.1) is by receive
Pwm signal feeds back to the display lamp group (1.6) of described manipulation unit (1)；
The gyro test receiving analogue signal is sequentially passed through described 2nd DA conversion electricity by described first single-chip microcomputer (3.6) simultaneously
Send to described DSP full-digital control circuit (2.1) behind road (3.10) and described AD translation circuit (2.4) process, described
The angle value of the gyro test receiving analogue signal is compared by DSP full-digital control circuit (2.1) with set angle angle value,
In the case that the angle value of gyro test analogue signal is not up to set angle angle value, described DSP full-digital control circuit (2.1)
Send the signal for driving gyro to reach set angle angle value to described display lamp group (1.6), that is, instruct angle signal；Described finger
Show according to command speed signal and instruction angle signal, lamp group (1.6) carries out whether gyro passage normally shows；
B. potentiometer lane testing
Described potentiometer channel test module (1.1) sends test potentiometer signal to described DSP full-digital control circuit
(2.1), the test potentiometer receiving signal is sent to described 2nd AD conversion by described DSP full-digital control circuit (2.1)
Circuit (2.5) carries out digital-to-analogue conversion, and described in the test potentiometer signal after digital-to-analogue conversion, the second discharge circuit (3.2) is transferred to institute
State the 3rd AD translation circuit (3.5), then deliver to described second singlechip (3.7), described second singlechip (3.7) is by receive
Test potentiometer signal is compared with setting position information, passes through described decoder (3.3) selection according to comparative result described
Precision voltage source module (3.12) exports potentiometer supply voltage signal, and the potentiometer supply voltage signal of output is through described signal mode
Described in quasi-simple unit (2), bleeder circuit (2.6) delivers to described DSP full-digital control circuit (2.1), DSP full-digital control circuit
(2.1) potentiometer receiving supply voltage signal is carried out feeding back to the described defeated of described manipulation unit (1) after digital-to-analogue conversion
Go out voltage display module (1.4) and display lamp group (1.6), enter line output voltage respectively and whether potentiometer function normally shows
Show；
C.PWM semiotic function is tested
The pwm signal that described in described tested control circuit unit (3), the first single-chip microcomputer (3.6) generates, through described signal imitation
Described RC filter circuit (2.2) filtering in unit (2), carries out analog digital conversion by a described AD translation circuit (2.4), finally
Feed back to described PWM output display module (1.5) in described manipulation unit (1) through described DSP full-digital control circuit (2.1)
With display lamp group (1.6), carry out pwm signal respectively and whether pwm signal function normally shows；
D. communication function test
It is total to described DSP that described communication test module (1.3) in described manipulation unit (1) sends communication function test signal
Word control circuit (2.1), described DSP full-digital control circuit (2.1) is passed through described after collecting communication function test signal
Tracker communication function analog circuit (2.3) is led to the described second singlechip (3.7) in described tested control circuit unit (3)
News, described second singlechip (3.7) controls described communication controller (3.11) outputting communication to control by described decoder (3.3)
Signal gives described tracker communication function analog circuit (2.3) in described signal imitation unit (2), tracker communication function mould
Intend circuit (2.3) feedback communication signal to described DSP full-digital control circuit (2.1), through DSP full-digital control circuit (2.1)
Feed back to the described display lamp group (1.6) in described manipulation unit (1), whether described display lamp group (1.6) carries out communication function
Normal display.
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| CN201610779253.2A CN106406274B (en) | 2016-08-31 | 2016-08-31 | Simulating test device and method based on Full-digital control circuit |
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| CN201610779253.2A CN106406274B (en) | 2016-08-31 | 2016-08-31 | Simulating test device and method based on Full-digital control circuit |
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| CN106406274B CN106406274B (en) | 2018-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111175601A (en) * | 2020-01-03 | 2020-05-19 | 云南电网有限责任公司电力科学研究院 | Modular functional test system |
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| CN103954903A (en) * | 2014-05-21 | 2014-07-30 | 北京航天控制仪器研究所 | Multi-mode output circuit testing system capable of carrying out resolving in real time |
| CN104062935A (en) * | 2014-06-24 | 2014-09-24 | 北京航空航天大学 | Integrated digital control system for double gimbal magnetically-suspended variable-speed control moment gyroscope |
| CN105115522A (en) * | 2015-09-16 | 2015-12-02 | 清华大学 | Electrostatic gyro servo testing device based on turntable position working mode |
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| CN201488885U (en) * | 2009-08-05 | 2010-05-26 | 成都飞亚航空设备应用研究所有限公司 | Gyro simulator system |
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| CN103868512A (en) * | 2014-03-25 | 2014-06-18 | 西安电子科技大学 | High-precision aircraft heading and attitude test circuit |
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| CN111175601A (en) * | 2020-01-03 | 2020-05-19 | 云南电网有限责任公司电力科学研究院 | Modular functional test system |
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| Publication number | Publication date |
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| CN106406274B (en) | 2018-12-04 |
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