CN108663618A - Motor vibration damping performance test system - Google Patents
Motor vibration damping performance test system Download PDFInfo
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- CN108663618A CN108663618A CN201810482362.7A CN201810482362A CN108663618A CN 108663618 A CN108663618 A CN 108663618A CN 201810482362 A CN201810482362 A CN 201810482362A CN 108663618 A CN108663618 A CN 108663618A
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- motor
- performance test
- test system
- oscillating plate
- damping performance
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- 238000013016 damping Methods 0.000 title claims abstract description 82
- 238000011056 performance test Methods 0.000 title claims abstract description 31
- 230000001133 acceleration Effects 0.000 claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 238000007405 data analysis Methods 0.000 claims abstract description 29
- 230000033001 locomotion Effects 0.000 claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 238000010183 spectrum analysis Methods 0.000 claims abstract description 14
- 238000001228 spectrum Methods 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 33
- 238000010586 diagram Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a motor vibration damping performance test system which comprises a transmission device, a vibration plate, an acceleration sensor and a data analysis device, wherein the transmission device is used for being connected with a tested motor, one end of the vibration plate is fixed with the transmission device, the other end of the vibration plate is provided with the acceleration sensor, and the data analysis device is connected with the acceleration sensor. The vibration damping performance test of the motor is realized by measuring the acceleration of the vibration plate in the linear motion process, carrying out spectrum analysis according to the obtained acceleration signal, obtaining the amplitude of the resonance point of the vibration plate when the vibration damping function is forbidden and the vibration damping function is started respectively by the tested motor, and obtaining and outputting the vibration damping test result according to the obtained amplitude of the resonance point.
Description
Technical field
The present invention relates to motor performance test technical fields, more particularly to a kind of motor damping Performance Test System.
Background technology
Servo-drive system is the feedback control system for accurately following or reappearing some process, with not being broken into for technology
Ripe, servo-drive system is applied more and more extensive in the industrial production.It is past in the application that servo-drive system is equipped in robot or intelligently
It is moved toward the rod-shaped mechanical structure that drive mechanical arm sunpender etc. that can be equivalent to cantilever beam, similar object is in motion process
In due to its mechanical features influence, be easy to happen resonance, cause cantilever beam end have amplitude it is larger and it is uncontrollable vibration deposit
.The vibration will generate noise, and the abrasion of acceleration mechanical equipment influences the setting time of positioning accuracy and position, cause entire
The working efficiency of electric-control system is low and the lost of life.
Servo-drive system employed in current high-end applications (high-precision, at a high speed with highly reliable) can all carry damping function or
Person's vibration suppression function etc. can inhibit the function that equivalent cantilever beam vibrates during the motion, but the product of existing motor
Specific quantificational description is had no to the function in introduction.How to realize that the damping performance to motor in servo-drive system carries out test is one
A urgent problem to be solved.
Invention content
Based on this, it is necessary in view of the above-mentioned problems, provide it is a kind of can be to motor system that motor damping performance is tested
Shake Performance Test System.
A kind of motor damping Performance Test System, including transmission device, oscillating plate, acceleration transducer and data analysis dress
It sets, the transmission device for connecting tested motor, with the transmission device fix by described oscillating plate one end, and institute is arranged in the other end
Acceleration transducer is stated, the data analysis set-up connects the acceleration transducer,
The transmission device for respectively according to the tested motor forbid damping function and start damping function when
Rotation drives the oscillating plate to move along a straight line；
The acceleration transducer generates acceleration for detecting acceleration of the oscillating plate in linear motion
Degree signal is sent to the data analysis set-up；
The data analysis set-up is used to carry out spectrum analysis according to the acceleration signal of reception, obtains respectively described tested
Motor is when forbidding damping function and starting damping function, resonance point amplitude of the oscillating plate in linear motion, root
Damping test result is obtained according to the resonance point amplitude of acquisition and is exported.
Above-mentioned motor damping Performance Test System, by measuring acceleration of the oscillating plate in linear motion, and root
Spectrum analysis is carried out according to obtained acceleration signal, acquisition tested motor is respectively when forbidding damping function and starting damping function
The resonance point amplitude of oscillating plate obtains damping test result according to the resonance point amplitude of acquisition and exports, realizes to motor
Damping performance test.
Description of the drawings
Fig. 1 is the structure diagram of motor damping Performance Test System in an embodiment；
Fig. 2 is the structural schematic diagram of motor damping Performance Test System in an embodiment.
Fig. 3 is the structural schematic diagram of transmission device, oscillating plate and acceleration transducer in an embodiment；
Fig. 4 is the vibration schematic diagram of motor damping Performance Test System in an embodiment；
Fig. 5 is the resonance interpretation of result schematic diagram that data analysis set-up is shown in an embodiment；
Fig. 6 is the analysis schematic diagram of motor damping effect in an embodiment；
Specific implementation mode
In one embodiment, a kind of motor damping Performance Test System, as shown in Figure 1, including transmission device 110, shaking
Movable plate 120, acceleration transducer 130 and data analysis set-up 140, transmission device 110 are vibrated for connecting tested motor 210
120 one end of plate is fixed with transmission device 110, and acceleration transducer 130 is arranged in the other end, and the connection of data analysis set-up 140 accelerates
Spend sensor 130.Transmission device 110 is for respectively according to tested motor 210 when forbidding damping function and starting damping function
Rotation drive oscillating plate 120 move along a straight line；Acceleration transducer 130 was moving along a straight line for detecting oscillating plate 120
Acceleration in journey, and generate acceleration signal and be sent to data analysis set-up 140；Data analysis set-up 140 is used for basis and connects
The acceleration signal of receipts carries out spectrum analysis, obtains tested motor 210 respectively when forbidding damping function and starting damping function,
Resonance point amplitude of the oscillating plate 120 in linear motion obtains damping test result simultaneously according to the resonance point amplitude of acquisition
Output.
Wherein, it can also be linear motor that tested motor 210, which can be electric rotating machine, according to the type of tested motor 210
The concrete structure of difference, transmission device 110 can also correspond to all differences.The width and thickness of oscillating plate 120 can be according to test
Required damping frequency is designed, and the vibration frequency of oscillating plate 120 is only related with its structure, unrelated with speed, acceleration, shakes
The vibration amplitude of movable plate 120 is related with structure, speed and acceleration.The resonant frequency of oscillating plate 120 can pass through vibration mechanics
Formula or finite element software are estimated.In one embodiment, the quantity of oscillating plate 120 can be multiple, and each vibration
The size of plate 120 differs.When testing tested motor 210, the damping frequency selection that can be tested as needed is corresponding
Oscillating plate 120 is tested with the fixation of transmission device 110, analyzes the damping function of the servo-drive system compared with.Meanwhile different size
Oscillating plate 120 can simulate the cantilever beam operating mode of different resonant frequencies with the vibration under equivalent different frequency, assist damping work(
The research and development and debugging of energy.The specific material of oscillating plate 120 is not unique, only need to carry out straight line with transmission device 110
Vibration can occur when movement to simulate the vibration processes of cantilever beam during exercise.In the present embodiment, acceleration transducer 130
For metal vibration plate.
Specifically, tested motor 210 may include a variety of different operating modes, when tested motor 210 is in same work
Under pattern, rotated respectively when forbidding damping function and starting damping function by controlling tested motor 210, transmission device 110
It drives oscillating plate 120 to move along a straight line according to the rotation of tested motor 210, cantilever beam is simulated in straight line using oscillating plate 120
Vibration in motion process.Acceleration transducer 130 detects the vibration acceleration of oscillating plate 120 during the motion, generates and adds
Speed signal is simultaneously sent to data analysis set-up 140.In the present embodiment, acceleration transducer 130 is placed in the end of oscillating plate 120
End generates similar sinusoidal acceleration signal in time domain and is sent to data analysis set-up 140.By by acceleration transducer 130
It is arranged and carries out acceleration acquisition in the end of oscillating plate 120, maximum acceleration signal can be collected, in order to subsequently carry out
Signal analysis and processing.
Data analysis set-up 140 obtains tested motor 210 by spectrum analysis to be forbidden damping function and is starting system respectively
When function of shaking, resonance point amplitude of the oscillating plate 120 in linear motion, and resonance point amplitude obtains damping test result simultaneously
Output.Specifically, can be that first control tested motor 210 is rotated when forbidding damping function, transmission device 110 drives oscillating plate
120 move along a straight line, and data analysis set-up 140 obtains the acceleration signal that acceleration transducer 130 acquires；Then quilt is controlled
Measured motor 210 is rotated when starting damping function, and transmission device 110 drives oscillating plate 120 to move along a straight line, data analysis dress
Set the acceleration signal of 140 acquisition acceleration transducers 130 acquisition.Data analysis set-up 140 adds according to what is collected twice
Speed signal carries out spectrum analysis, obtains the difference of resonance point amplitude in 120 two-time vibration of oscillating plate to describe tested motor 210
Damping performance.It is appreciated that the concrete structure of data analysis set-up 140 is not unique, corresponding obtained test result
Type would also vary from.The mode of output damping test result is not unique, and can be that output to memory is deposited
Storage, can also be directly to carry out display output by data analysis set-up 140.
In one embodiment, as described in Figure 2, tested motor 210 is electric rotating machine, and transmission device 110 includes lead screw
112, sliding block 114 and limiting bracket 116, lead screw 112 is rotatablely arranged at limiting bracket 116, and connects the defeated of electric rotating machine
Shaft；Sliding block 114 is sheathed on lead screw 112 and contacts setting with limiting bracket 116, and oscillating plate 120 is fixedly installed with sliding block 114.
The fixed form of oscillating plate 120 and sliding block 114 can there are many, such as weld, be spirally connected it is fixed etc., in the present embodiment, such as Fig. 3 institutes
Show, oscillating plate 120 passes through the fixation that is spirally connected with sliding block 114.
Specifically, lead screw 112 is provided with external screw thread, and sliding block 114 offers through-hole and is provided in through-hole and external screw thread
Matched internal thread.Limiting bracket 116 is used to support lead screw 112 and is limited to sliding block 114, avoids rotating in lead screw 112
When sliding block 114 follow lead screw 112 rotate.Lead screw 112 is driven to rotate after electric rotating machine starts, sliding block 114 is due to limiting bracket
116 limit carries out straight line in the motion range of lead screw along the direction of lead screw 112 and moves back and forth, drive oscillating plate 120 into
Front and back vibration will occur for row movement, oscillating plate 120, as shown in Figure 4.
Further, with continued reference to Fig. 2, motor damping Performance Test System further includes shaft coupling 150, and lead screw 112 passes through
Shaft coupling 150 is connect with tested motor 210.Specifically, shaft coupling 150 connects the output shaft and lead screw 112 of tested motor 210,
It drives lead screw 112 to rotate when tested motor 210 rotates, and then makes sliding block 114 that oscillating plate 120 be driven to carry out back and forth movement.
In another embodiment, tested motor 210 is linear motor, and transmission device 110 includes sliding block, and sliding block connection is straight
The output shaft of line motor, oscillating plate 120 are fixedly installed with sliding block.It is appreciated that when tested motor 210 is linear motor, it can
Directly the output shaft of sliding block and linear motor is fixed, when linear motor works, band movable slider carries out straight line back and forth movement, from
And oscillating plate 120 is driven to be moved.
It is two kinds of different structures that transmission device 110 is provided according to the type difference of tested motor 210 above, test
In can be selected according to actual demand.
In one embodiment, as shown in Fig. 2, data analysis set-up 140 includes the frequency spectrum of connection acceleration transducer 130
Analyzer 142 receives the acceleration signal that acceleration transducer 130 is sent using spectrum analyzer 142 and carries out spectrum analysis.Tool
Body, spectrum analyzer 142 forbids the oscillating plate that damping function brief acceleration sensor 130 collects in tested motor 210
120 acceleration is analyzed, and resonance point result of spectrum analysis when tested motor 210 does not open damping function, such as Fig. 5 are obtained
It is shown.Then, spectrum analyzer 142 shakes what the startup damping function brief acceleration of tested motor 210 sensor 130 collected
The acceleration of movable plate 120 is analyzed, and is obtained tested motor 210 and is forbidden damping function and open the resonance point frequency spectrum of damping function
Contrast curve is analyzed, is shown as damping test result, as shown in Figure 6.Dotted line represents tested motor 210 not in Fig. 6
The resonance point result of spectrum analysis of damping function is opened, solid line represents tested motor 210 and opens resonance point frequency spectrum after damping function
The damping function of analysis result, tested motor 210 describes the decaying of resonance point by the difference of two peak values：Avib=A-
A’.Resonance point Spectrum Analysis Comparison curve is directly analyzed and shown according to the signal of acquisition by spectrum analyzer 142, with
It is checked for tester, it is simple and efficient to handle.It is appreciated that in other embodiments, data analysis set-up 140 can also be packet
The processor for including connection acceleration transducer 130 is analyzed by processor according to the signal of acquisition to obtain the width of resonance point
Value difference is sent to display as damping test result and is shown.
In one embodiment, data analysis set-up 140 further includes charge amplifier 144, and spectrum analyzer 142 passes through electricity
Lotus amplifier 144 connects acceleration transducer 130.The acceleration that acceleration transducer acquires is believed using charge amplifier 144
Number it is amplified processing, carries out data analysis convenient for spectrum analyzer 142, improve test accuracy.
In one embodiment, motor damping Performance Test System may also include motor driver 160, and motor driver connects
Tested motor 210 is connect, is worked for driving motor 210.The type of tested motor 210 is different, the type of motor driver 160
Difference can be corresponded to.Further, motor damping Performance Test System further includes connection motor driver 160 for electric installation 170.
It can be that access external power supply powers to motor driver 160 for electric installation 170, can also be to be stored by internal energy-storage travelling wave tube
Electric energy to motor driver 160 power.In addition, can also connect driving motor 210 for electric installation 170, carried for driving motor 210
For operating voltage.
In one embodiment, motor damping Performance Test System further includes rack 180, transmission device 110 and tested electricity
Machine 210 is set to rack 180.Transmission device 110 and tested motor 210 are placed by rack 180, is convenient for test operation.
Above-mentioned motor damping Performance Test System for ease of understanding, below to test system of the electric rotating machine under rotating speed pattern
It is explained for performance of shaking.
Tested motor 210 and shaft coupling 150 and motor driver 160 are installed, and set operating mode.Forbid being tested
The damping function of motor 210 starts tested motor 210 and motor driver 160, makes sliding block 114 in the motion range of lead screw 112
Interior carry out back and forth movement.Acceleration transducer 130 acquires the acceleration of oscillating plate 120 at this time, and the signal of output amplifies through charge
Device 144 is delivered to spectrum analyzer 142 and carries out spectrum analysis after amplifying.Tester can check the output of spectrum analyzer 142
As a result, recording the resonant frequency and amplitude of current resonance point, then stop tested motor 210 and motor driver 160.Start quilt
The damping function of measured motor 210 starts tested motor 210 and motor driver 160, makes sliding block 114 in the movement model of lead screw 112
Interior carry out back and forth movement is enclosed, spectrum analysis equally is carried out to amplified acceleration signal by spectrum analyzer 142.Tester
The output of spectrum analyzer 142 can be checked as a result, recording the current amplitude of resonance point and being compared with amplitude before, calculated
Difference between two amplitudes obtains damping test result, completes test.Replace other oscillating plates 120 or other motors and electricity
Machine driver 160 repeats the above experiment step and is tested.
Above-mentioned motor damping Performance Test System, by measuring acceleration of the oscillating plate 120 in linear motion, and
Spectrum analysis is carried out according to obtained acceleration signal, tested motor 210 is obtained and is forbidding damping function respectively and starting damping
The resonance point amplitude of oscillating plate 120 when function, obtains damping test result according to the resonance point amplitude of acquisition and exports, realize
Damping performance test to motor.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of motor damping Performance Test System, which is characterized in that including transmission device, oscillating plate, acceleration transducer and
Data analysis set-up, the transmission device is for connecting tested motor, and described oscillating plate one end is fixed with the transmission device, separately
The acceleration transducer is arranged in one end, and the data analysis set-up connects the acceleration transducer,
The transmission device is for the rotation respectively according to the tested motor when forbidding damping function and starting damping function
The oscillating plate is driven to move along a straight line；
The acceleration transducer generates acceleration letter for detecting acceleration of the oscillating plate in linear motion
Number it is sent to the data analysis set-up；
The data analysis set-up is used to carry out spectrum analysis according to the acceleration signal of reception, obtains the tested motor respectively
When forbidding damping function and starting damping function, resonance point amplitude of the oscillating plate in linear motion, according to obtaining
The resonance point amplitude taken obtains damping test result and exports.
2. motor damping Performance Test System according to claim 1, which is characterized in that the tested motor is electric rotating
Machine, the transmission device include lead screw, sliding block and limiting bracket, and the lead screw is rotatablely arranged at the limiting bracket, and
Connect the output shaft of the electric rotating machine；The slide block set is set to the lead screw and contacts setting with the limiting bracket, described
Oscillating plate is fixedly installed with the sliding block.
3. motor damping Performance Test System according to claim 2, which is characterized in that further include shaft coupling, the silk
The output axis connection that bar passes through the shaft coupling and the tested motor.
4. motor damping Performance Test System according to claim 1, which is characterized in that the tested motor is straight-line electric
Machine, the transmission device include sliding block, and the sliding block connects the output shaft of the linear motor, the oscillating plate and the sliding block
Fixed setting.
5. motor damping Performance Test System according to claim 1, which is characterized in that the oscillating plate is metal vibration
Plate.
6. motor damping Performance Test System according to claim 1, which is characterized in that the data analysis set-up includes
Connect the spectrum analyzer of the acceleration transducer.
7. motor damping Performance Test System according to claim 6, which is characterized in that the data analysis set-up also wraps
Charge amplifier is included, the spectrum analyzer connects the acceleration transducer by the charge amplifier.
8. motor damping Performance Test System according to claim 1, which is characterized in that further include motor driver, institute
It states motor driver and connects the tested motor, for driving the motor to work.
9. motor damping Performance Test System according to claim 8, which is characterized in that further include that the connection motor drives
Dynamic device for electric installation.
10. according to motor damping Performance Test System described in any one of claim 1-9, which is characterized in that further include platform
Frame, the transmission device and the tested motor are set to the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482362.7A CN108663618A (en) | 2018-05-18 | 2018-05-18 | Motor vibration damping performance test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482362.7A CN108663618A (en) | 2018-05-18 | 2018-05-18 | Motor vibration damping performance test system |
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| CN108663618A true CN108663618A (en) | 2018-10-16 |
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| CN201810482362.7A Pending CN108663618A (en) | 2018-05-18 | 2018-05-18 | Motor vibration damping performance test system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6370958B1 (en) * | 2000-12-11 | 2002-04-16 | Daimlerchrysler Corporation | Method of measuring the vibration damping capability |
| CN103097224A (en) * | 2010-08-25 | 2013-05-08 | 新日铁住金株式会社 | Vibration suppression device for railway vehicle |
| CN104267345A (en) * | 2014-09-10 | 2015-01-07 | 珠海格力电器股份有限公司 | servo driver vibration suppression function test system |
| CN106602792A (en) * | 2016-12-12 | 2017-04-26 | 浙江大学 | Composite driving system integrated by shearing type controllable damping and linear motor |
| CN107756448A (en) * | 2017-10-16 | 2018-03-06 | 华南理工大学 | The test device and method that a kind of flexible joint Flexible Links residual oscillation suppresses |
-
2018
- 2018-05-18 CN CN201810482362.7A patent/CN108663618A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6370958B1 (en) * | 2000-12-11 | 2002-04-16 | Daimlerchrysler Corporation | Method of measuring the vibration damping capability |
| CN103097224A (en) * | 2010-08-25 | 2013-05-08 | 新日铁住金株式会社 | Vibration suppression device for railway vehicle |
| CN104267345A (en) * | 2014-09-10 | 2015-01-07 | 珠海格力电器股份有限公司 | servo driver vibration suppression function test system |
| CN106602792A (en) * | 2016-12-12 | 2017-04-26 | 浙江大学 | Composite driving system integrated by shearing type controllable damping and linear motor |
| CN107756448A (en) * | 2017-10-16 | 2018-03-06 | 华南理工大学 | The test device and method that a kind of flexible joint Flexible Links residual oscillation suppresses |
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Application publication date: 20181016 |