CN106527391B - Rotating mechanism control system self-sensing method in a kind of airborne photoelectric detecting devices - Google Patents
Rotating mechanism control system self-sensing method in a kind of airborne photoelectric detecting devices Download PDFInfo
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- CN106527391B CN106527391B CN201610901876.2A CN201610901876A CN106527391B CN 106527391 B CN106527391 B CN 106527391B CN 201610901876 A CN201610901876 A CN 201610901876A CN 106527391 B CN106527391 B CN 106527391B
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- disc
- angle measurement
- motor
- rotating mechanism
- control system
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- 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
- G05B23/021—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 adopting a different treatment of each operating region or a different mode of the monitored system, e.g. transient modes; different operating configurations of monitored system
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Gyroscopes (AREA)
Abstract
The present invention proposes rotating mechanism control system self-sensing method in a kind of airborne photoelectric detecting devices, the self-test including control element, control circuit board and shafting moment of friction uniformity.Angle measurement code-disc, the gyro that tests the speed, power panel, power board have hardware check signal, by reading hardware check signal to determine whether working properly；Motor is without self-test signal, on the basis of angle measurement code-disc, power panel and power board working properly, applies a positive force to motor, if detecting that code-disc angle has increase, motor is working properly；While detecting motor, code-disc difference speed is calculated in real time, if certain differential position speed is less than certain threshold value, then it is assumed that the position moment of friction is bigger than normal.By the detection method, whether the work that can obtain control system each section rapidly is normal, to execute abnormal protection measure in time, reduces failure detection time, improves detection efficiency.
Description
Technical field
The present invention relates to technical field of photoelectric detection, rotating mechanism control system in specially a kind of airborne photoelectric detecting devices
System self-sensing method.
Background technique
Airborne photoelectric detecting devices control system sweep mechanism is a kind of rotating mechanism, and control system self-test includes control
The self-test of element processed, control circuit board and shafting moment of friction uniformity, wherein control element include motor, test the speed gyro and
Angle measurement code-disc, control circuit board include power panel and power board, and shafting moment of friction uniformity detects each position moment of friction.
Motor does not detect motor without hardware check signal, traditional detection module automatically, is usually all that discovery product work is different
After often, an individually detection program is write, determines whether motor is working properly by eye-observation, it is time-consuming in this way to take
Power.Sweep mechanism is once installed in product, will not do the moment of friction uniformity test of shafting again, when product is installed to test
It after turntable or after aircraft finds that Product Precision is not all right, then tests shafting moment of friction, this will take a large amount of people
Power and time.
Summary of the invention
In order to solve the problems existing in the prior art, the invention proposes rotating mechanism controls in a kind of airborne photoelectric detecting devices
System self-test processed surveys method, is directly embedded into airborne photoelectric detecting devices rotating mechanism servo antrol program, powers on every time all
A self-test will be done, result is will test in time and is reported to task engine.Wherein angle measurement code-disc, the gyro that tests the speed, power panel, power board
There is hardware check signal, by reading hardware check signal to determine whether working properly；Motor is without self-test signal, in angle measurement
Code-disc, power panel and power board it is working properly on the basis of, give motor apply a positive force, if detecting that code-disc angle has
Increase, then motor is working properly；While detecting motor, code-disc difference speed is calculated in real time, if certain differential position speed
Less than given threshold, then it is assumed that the position moment of friction is bigger than normal.
Based on the above principles, the technical scheme is that：
Rotating mechanism control system self-sensing method in a kind of airborne photoelectric detecting devices, it is characterised in that：
The method is run when airborne photoelectric detecting devices rotating mechanism powers on every time；
Method includes the following steps：
Step 1：Read the hardware check of angle measurement code-disc, the gyro that tests the speed, power panel, power board in rotating mechanism control system
Signal；
Step 2：Angle measurement code-disc, the gyro that tests the speed, power panel, power board self-test under normal circumstances, to rotating mechanism control
Motor in system applies positive force, and reads the angle value of angle measurement code-disc, if the angle value of angle measurement code-disc increases, motor
It is working properly；
Step 3：Under motor reference performance, the real-time continuous difference speed for reading angle measurement code-disc；It is surveyed when reading
After the limit signal of corner brace disk side, apply opposite force, again real-time continuous reading to the motor in rotating mechanism control system
The difference speed of angle measurement code-disc, until reading the limit signal of the angle measurement code-disc other side；The each position read is corresponding
Difference speed is compared with given threshold, if it is less than given threshold, then judges that the moment of friction of corresponding position is greater than standard
Value；
Step 4：Real-time report fault message.
Beneficial effect
Rotating mechanism control system self-sensing method in airborne photoelectric detecting devices proposed by the present invention is provided in circuit board
On the basis of hardware check signal, the self-test of motor and shafting moment of friction, real-time report failure can be solved the problems, such as automatically
Information reduces failure detection time to take abnormal protection measure in time, improves fault detection efficiency.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, wherein：
Fig. 1 control system self-test flow chart.
Specific embodiment
The embodiment of the present invention is described below in detail, the embodiment is exemplary, it is intended to it is used to explain the present invention, and
It is not considered as limiting the invention.
The invention proposes rotating mechanism control system self-sensing methods in a kind of airborne photoelectric detecting devices, are directly embedded into
Into airborne photoelectric detecting devices rotating mechanism servo antrol program, a self-test will all be done every time by powering on, and will test in time
As a result it is reported to task engine.Wherein angle measurement code-disc, the gyro that tests the speed, power panel, power board have hardware check signal, pass through reading
Hardware check signal is to determine whether working properly；Motor works just without self-test signal in angle measurement code-disc, power panel and power board
On the basis of often, apply a positive force to motor, if detecting that code-disc angle has increase, motor is working properly；It is examining
While measured motor, code-disc difference speed is calculated in real time, if certain differential position speed is less than given threshold, then it is assumed that the position
Moment of friction is bigger than normal.
Based on the above principles, the present invention includes the following steps：
Step 1：Read the hardware check of angle measurement code-disc, the gyro that tests the speed, power panel, power board in rotating mechanism control system
Signal；By self-test signal judge angle measurement code-disc in rotating mechanism control system, the gyro that tests the speed, power panel, power board whether work
Make it is normal, set self-test signal as 1 be it is faulty, 0 is fault-free.
Step 2：Angle measurement code-disc, the gyro that tests the speed, power panel, power board self-test under normal circumstances, to rotating mechanism control
Motor in system applies positive force, and reads the angle value of angle measurement code-disc, whether judges motor by reading angular variation
Working properly, if the angle value of angle measurement code-disc increases, motor is working properly.
Step 3：Under motor reference performance, 10ms Interruption is opened, reads the difference speed of current location in real time
Degree, if difference speed is less than given threshold, then it is assumed that the position moment of friction is greater than standard value.It is continuously read with change in location
The difference speed of angle measurement code-disc, after reading the limit signal of angle measurement code-disc side, to the electricity in rotating mechanism control system
Machine applies opposite force, again the real-time continuous difference speed for reading angle measurement code-disc, until reading the limit of the angle measurement code-disc other side
Signal.The corresponding difference speed in each position read is compared with given threshold, if it is less than given threshold, is then sentenced
The moment of friction of disconnected corresponding position is greater than standard value.The moment of friction of position each so is all tested.
Step 4：Real-time report fault message.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (1)
1. rotating mechanism control system self-sensing method in a kind of airborne photoelectric detecting devices, it is characterised in that：
The method is run when airborne photoelectric detecting devices rotating mechanism powers on every time；
Method includes the following steps：
Step 1：Read the hardware check letter of angle measurement code-disc in rotating mechanism control system, the gyro that tests the speed, power panel, power board
Number；
Step 2：Angle measurement code-disc, the gyro that tests the speed, power panel, power board self-test under normal circumstances, to rotating mechanism control system
In motor apply positive force, and read the angle value of angle measurement code-disc, if the angle value of angle measurement code-disc increases, motor works
Normally；
Step 3：Under motor reference performance, the real-time continuous difference speed for reading angle measurement code-disc；When reading angle measurement code
After the limit signal of disk side, apply opposite force, again real-time continuous reading angle measurement to the motor in rotating mechanism control system
The difference speed of code-disc, until reading the limit signal of the angle measurement code-disc other side；The corresponding difference in each position that will be read
Speed is compared with given threshold, if it is less than given threshold, then judges that the moment of friction of shafting corresponding position is greater than standard
Value；
Step 4：Real-time report fault message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610901876.2A CN106527391B (en) | 2016-10-18 | 2016-10-18 | Rotating mechanism control system self-sensing method in a kind of airborne photoelectric detecting devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610901876.2A CN106527391B (en) | 2016-10-18 | 2016-10-18 | Rotating mechanism control system self-sensing method in a kind of airborne photoelectric detecting devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106527391A CN106527391A (en) | 2017-03-22 |
| CN106527391B true CN106527391B (en) | 2018-11-16 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387887A (en) * | 2008-09-29 | 2009-03-18 | 奇瑞汽车股份有限公司 | Hybrid powder motor and controller test platform and test method thereof |
| CN101458528A (en) * | 2008-12-23 | 2009-06-17 | 华东理工大学 | On-line fault detection system based on CAN bus |
| CN102255554A (en) * | 2011-06-27 | 2011-11-23 | 上海师范大学 | Frictional compensation speed control method for traveling wave rotary ultrasonic motor |
| CN202362431U (en) * | 2011-08-11 | 2012-08-01 | 南京工程学院 | Device for testing control performance of permanent magnet synchronous motor servo system |
| CN104345273A (en) * | 2013-07-24 | 2015-02-11 | 中国国际航空股份有限公司 | Starter performance detection method and apparatus of airplane auxiliary power unit (APU) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090096405A1 (en) * | 2007-10-15 | 2009-04-16 | General Electric Company | Method and system for remotely predicting the remaining life of an ac motor system |
-
2016
- 2016-10-18 CN CN201610901876.2A patent/CN106527391B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387887A (en) * | 2008-09-29 | 2009-03-18 | 奇瑞汽车股份有限公司 | Hybrid powder motor and controller test platform and test method thereof |
| CN101458528A (en) * | 2008-12-23 | 2009-06-17 | 华东理工大学 | On-line fault detection system based on CAN bus |
| CN102255554A (en) * | 2011-06-27 | 2011-11-23 | 上海师范大学 | Frictional compensation speed control method for traveling wave rotary ultrasonic motor |
| CN202362431U (en) * | 2011-08-11 | 2012-08-01 | 南京工程学院 | Device for testing control performance of permanent magnet synchronous motor servo system |
| CN104345273A (en) * | 2013-07-24 | 2015-02-11 | 中国国际航空股份有限公司 | Starter performance detection method and apparatus of airplane auxiliary power unit (APU) |
Also Published As
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| CN106527391A (en) | 2017-03-22 |
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