CN102435948A - Dynamic load simulation testing instrument and simulation testing method - Google Patents
Dynamic load simulation testing instrument and simulation testing method Download PDFInfo
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- CN102435948A CN102435948A CN2011103190945A CN201110319094A CN102435948A CN 102435948 A CN102435948 A CN 102435948A CN 2011103190945 A CN2011103190945 A CN 2011103190945A CN 201110319094 A CN201110319094 A CN 201110319094A CN 102435948 A CN102435948 A CN 102435948A
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Abstract
The invention relates to a dynamic load simulation testing instrument and a simulation testing method. The dynamic simulation testing instrument comprises a servo motor, a servo driver with a moment driving mode and load setting and loading and parameter display software, wherein the load setting and loading and parameter display software can send a control command which simulates the position-moment relation of an actual mechanical structure to the servo driver through a bus for controlling the motion of the servo motor, and the servo motor is in reverse connection with a tested motor through a coupler. The simulation testing method comprises the following steps: controlling the operation of the simulation testing motor and the tested motor through the load setting and loading and parameter display software, using a PC (personal computer) to control the simulation testing motor driver to apply a moment which is reverse to that of the tested motor on the simulation testing motor by adopting the moment control mode through the load setting and loading and parameter display software, and further performing simulation testing on the tested motor. The simulation testing instrument and the simulation testing method have the advantages that the instrument has simple structure, and is convenient to operate and maintain; and the dynamic loads of various different mechanical structures, such as a cam and the like, can be simulated.
Description
Technical field
The present invention relates to a kind of dynamic load simulation test appearance and analog detection method, being mainly used in the industrial automation field needs the isoparametric occasion of simulation, test driver and motor, the occasion that is particularly useful for needing to simulate, test dynamic load.
Background technology
The motor of field such as commercial production, robotization widespread use and driver need carry out performance test before dispatching from the factory usually, need carry out parameter adjustment in the rig-site utilization.
The method of testing of generally using now is: the driver control motor movement, and adopt dynamometer machine to be connected through shaft coupling simultaneously with motor, add an opposing torque to motor, through observing video data testing of electric motors and drive parameter on the dynamometer system.
Also can pass through the method simulated machine and driver rig-site utilization situation, but dynamometer machine can only be exported constant moment, this in application almost cannot, do not reach good simulative debugging effect yet.The on-the-spot machine of going up in back is installed is debugged, because environment is badly debugged the bad assurance of effect, the waste plenty of time.Like normal a kind of physical construction---the cam mechanism that adopts on the numerically-controlled machine because cam mechanism irregular character along the circumferential direction, make motor movement during one week in the stressed difference of each angular position motor shaft, bad simulation and debugging.
Summary of the invention
The objective of the invention is to overcome the defective in existing the application, a kind of dynamic load simulation test appearance and analog detection method are provided, can simulate the loading condition of any physical construction and test, the machine that need not is installed.
For achieving the above object, the technical scheme that the present invention adopted is:
A kind of dynamic load simulation test appearance comprises servomotor, has the servo-driver of moment drive pattern, load setting loads and the parameter software for display; Said load setting loads and the parameter software for display runs on the PC; The servo-driver that wherein has the moment drive pattern adopts bus or serial ports or USB mouth mode to be connected with upper PC; The control command that load setting loads and the parameter software for display can concern through the position moment of bus transmission simulation actual machine structure is to the motion of servo-driver control servomotor; And can show in real time by the running state information of measured motor; Control command and motor actual motion deviation that demonstration is accepted by measured motor, said servomotor with oppositely be connected by measured motor employing shaft coupling.
Servo-driver with moment drive pattern and upper PC adopt bus or serial ports or USB mouth mode be connected described in bus be PowerLink bus or EtherCat bus or CAN bus; Said serial interface is RS232 or RS485 or RS422 interface.
A kind of dynamic load analog detection method comprises the steps:
A, dynamic load simulation test motor and adopted shaft coupling oppositely to be connected by measured motor, PC loads through load setting and the parameter software for display adopt Torque Control pattern control simulation test motor driver give the simulation test motor add one with by the reverse moment of measured motor.
B, tested driver adopt bus mode to be connected PC with upper PC and adopt position, speed, torque mode to control tested driver through load setting loading and parameter software for display, make tested motor movement.
Information such as C, tested motor feedback position, speed, moment load and the parameter software for display to load setting, and each information compares with the load setting loading parameters respectively, can show actual deviation information after load setting loading and parameter software for display calculate.
D, adjust tested motor load output according to the actual deviation that load setting loads and the parameter software for display shows.
The tested motor load way of output of adjustment described in the further step D is a manual adjustment.
The tested motor load way of output of adjustment described in the further step D is that load setting loads and parameter software for display process is calculated back self-adaptation adjustment to actual deviation.
Further, the servomotor rated moment should be not less than by the measured motor rated moment in the simulation test appearance;
Further, when servomotor moment in the simulation test appearance less than by measured motor the time, for guaranteeing to provide required opposing torque, need between servomotor and shaft coupling, add a speed reduction unit.
Further; When measurand is servomotor and driver; Load set loads and the parameter software for display receive tested driver feedback by measured motor actual motion data, compare with setting the motion command data, the adjustment controlled variable makes motion simulation reach ideal effect.When measurand was stepper motor and driver, load set loaded and information such as parameter software for display observation current of electric contrasts to make by measured motor with order data and reaches perfect condition as far as possible.
According to above structure, than methods such as common simulation tests, simulation test appearance of the present invention and method of testing have the following advantages:
1. this tester is simple in structure, convenient operating maintenance;
2. make things convenient for simulated field, can simulate the dynamic load of various different physical constructions such as cam etc.;
3. easy through upper PC load set; Control accuracy is high; Can show information such as moment, speed, position; Show in real time the order and the actual motion result error that are received by measured motor and driver, parameter adjustment is revised convenient, is directly revising on through load set loading and parameter software for display on the host computer.
Description of drawings
Fig. 1 is a kind of fundamental diagram of dynamic load simulation test appearance.
Fig. 2 is the cam mechanism all moment variations curve maps that move.
Fig. 3 is one week and motor response position corresponding relation figure of cam mechanism motion.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment---the simulative debugging cam structure, a kind of dynamic load simulation test appearance and analog detection method that the present invention is proposed further specify.
Fig. 1 is the fundamental diagram of a kind of dynamic load simulation test of the present invention appearance, and simulation test appearance 1 comprises servomotor 4, has the servo-driver 3 of moment drive pattern, load setting loads and parameter software for display 2.Wherein servo-driver 3 adopts bus mode to be connected with upper PC; The control command that load setting loads and parameter software for display 2 can concern through the position moment of bus transmission simulation actual machine structure moves for servo-driver 3 control servomotors 4; And can show in real time by actual motion information such as the position of measured motor, speed, moments, show the control command and the motor actual motion deviation that are received by measured motor.
The analog detection method of this simulation test appearance is:
2. tested driver adopts bus mode to be connected with upper PC, and PC is controlled tested driver through load setting loading and parameter software for display 2 employing positions, speed, torque mode, makes tested motor movement.Load set loads and parameter software for display 2 receive tested driver feedback by measured motor actual motion data; Show information such as its position, speed, moment and with order data of setting or ideal data contrast; Controlled variable on loading of adjustment load set and the parameter software for display 2 makes by the motion simulation of measured motor and driver to reach ideal effect.
The record load setting load and the parameter software for display on by measured motor and driver control parameter, required parameter when this parameter is the physical construction of its simulation of practical operation.
For safety, the nominal torque that should guarantee motor 4 is greater than by the nominal torque of measured motor, when the nominal torque of motor 4 less than by the measured motor nominal torque time, can on motor 4, add one speed reducer, improve opposing torque.
More than be a preferred embodiment of the present invention, also can adopt periodicity constant load mode for resistance to be provided by measured motor, driver, thus simulation test motor and driver.This preferred embodiment is the motion of analog servomechanism Electric Machine Control cam mechanism; Because feedback not, load setting loads and the parameter software for display shows that information such as current of electric contrasts to make by measured motor with order data and reaches perfect condition as far as possible when motors such as analog stepping motor.
Claims (9)
1. dynamic load simulation test appearance; It is characterized in that; Said dynamic load simulation test appearance comprises servomotor, has the servo-driver of moment drive pattern, load setting loads and the parameter software for display; Load setting loads and the parameter software for display runs on the PC; Said load setting loads and the parameter software for display can show by the running state information of measured motor in real time, and the driver of said moment drive pattern and PC employing bus or serial ports or USB mouth mode are connected, in the said dynamic load simulation test appearance motor with oppositely be connected through shaft coupling by measured motor.
2. dynamic load simulation test appearance according to claim 1 is characterized in that servomotor moment should be greater than tested motor torque in the said simulation test appearance.
3. dynamic load simulation test appearance according to claim 1 is characterized in that, servomotor moment adds a speed reduction unit less than by measured motor the time in the said simulation test appearance between said servomotor and shaft coupling.
4. dynamic load simulation test appearance according to claim 1 is characterized in that said bus is PowerLink bus or EtherCat bus or CAN bus; Said serial interface is RS232 or RS485 or RS422 interface.
5. a dynamic load analog detection method is characterized in that, said dynamic load method of testing comprises the steps:
A, dynamic load simulation test motor and adopted shaft coupling to be connected by measured motor, PC loads through load setting and the parameter software for display adopt Torque Control pattern control simulation test motor driver to the simulation test motor add one with by the reverse moment of measured motor.
B, tested driver adopt bus mode to be connected PC with upper PC and adopt position, speed, torque mode to control tested driver through load setting loading and parameter software for display, make tested motor movement.
Information such as C, tested motor feedback position, speed, moment load and the parameter software for display to load setting, and each information compares with the load setting loading parameters respectively, can show actual deviation information after load setting loading and parameter software for display calculate.
D, adjust tested motor load output according to the actual deviation that load setting loads and the parameter software for display shows.
6. like the said dynamic load analog detection method of claim 5, it is characterized in that information such as tested motor feedback position, speed, moment can load and the demonstration of parameter software for display through load setting among the step C.
7. like the said dynamic load analog detection method of claim 5, it is characterized in that the tested motor load way of output of adjustment described in the step D is a manual adjustment.
8. like the said dynamic load analog detection method of claim 5, it is characterized in that the tested motor load way of output of adjustment described in the step D is that load setting loads and parameter software for display process is calculated back self-adaptation adjustment to actual deviation.
9. like the said dynamic load analog detection method of claim 5; It is characterized in that; The simulation test motor actual motion data that load set loads and the parameter software for display feeds back through reception simulation test motor driver; With the control data contrast of setting, controlled variable such as adjustment moment, speed, position make by the opposing torque of measured motor to conform to the load setting loading data.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728920A (en) * | 2014-01-16 | 2014-04-16 | 北京工业大学 | Numerical control machine tool servo system reliability test device |
| CN104280681A (en) * | 2013-07-12 | 2015-01-14 | 广东美的制冷设备有限公司 | Motor dynamic load simulation system |
| CN104950812A (en) * | 2015-06-17 | 2015-09-30 | 华中科技大学 | Method and system for carrying out online testing on performance of numerical control system based on motor analog loading |
| CN105824770A (en) * | 2015-01-09 | 2016-08-03 | 北京航空航天大学 | Transmission method for control information of Ethernet control automation technology (Ether CAT) equipment and adapter |
| CN109632304A (en) * | 2018-12-25 | 2019-04-16 | 哈尔滨工业大学 | Four-point contact ball running in machine and control method |
| CN110850845A (en) * | 2019-11-13 | 2020-02-28 | 上海航天控制技术研究所 | Space station solar wing simulated load test system |
| CN111293833A (en) * | 2020-01-21 | 2020-06-16 | 深圳市雷赛软件技术有限公司 | Motion data display method, motion data display device, motor driver, motor system, and medium |
| CN111624490A (en) * | 2020-07-10 | 2020-09-04 | 湖北泰和电气有限公司 | Aging test system for permanent magnet synchronous motor |
| CN112966372A (en) * | 2021-02-09 | 2021-06-15 | 南京工程学院 | Servo motor advanced control algorithm test platform and working method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280681A (en) * | 2013-07-12 | 2015-01-14 | 广东美的制冷设备有限公司 | Motor dynamic load simulation system |
| CN103728920A (en) * | 2014-01-16 | 2014-04-16 | 北京工业大学 | Numerical control machine tool servo system reliability test device |
| CN105824770A (en) * | 2015-01-09 | 2016-08-03 | 北京航空航天大学 | Transmission method for control information of Ethernet control automation technology (Ether CAT) equipment and adapter |
| CN105824770B (en) * | 2015-01-09 | 2019-08-06 | 北京航空航天大学 | Ethernet auto-control technical equipment controls information transferring method and adapter |
| CN104950812A (en) * | 2015-06-17 | 2015-09-30 | 华中科技大学 | Method and system for carrying out online testing on performance of numerical control system based on motor analog loading |
| CN109632304A (en) * | 2018-12-25 | 2019-04-16 | 哈尔滨工业大学 | Four-point contact ball running in machine and control method |
| CN110850845A (en) * | 2019-11-13 | 2020-02-28 | 上海航天控制技术研究所 | Space station solar wing simulated load test system |
| CN110850845B (en) * | 2019-11-13 | 2020-09-25 | 上海航天控制技术研究所 | Space station solar wing simulated load test system |
| CN111293833A (en) * | 2020-01-21 | 2020-06-16 | 深圳市雷赛软件技术有限公司 | Motion data display method, motion data display device, motor driver, motor system, and medium |
| CN111293833B (en) * | 2020-01-21 | 2022-06-03 | 深圳市雷赛软件技术有限公司 | Motion data display method, motion data display device, motor driver, motor system, and medium |
| CN111624490A (en) * | 2020-07-10 | 2020-09-04 | 湖北泰和电气有限公司 | Aging test system for permanent magnet synchronous motor |
| CN112966372A (en) * | 2021-02-09 | 2021-06-15 | 南京工程学院 | Servo motor advanced control algorithm test platform and working method |
| CN112966372B (en) * | 2021-02-09 | 2023-09-15 | 南京工程学院 | Servo motor advanced control algorithm test platform and working method |
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