CN106441670B - A kind of SERVO CONTROL driving power-measuring system - Google Patents
A kind of SERVO CONTROL driving power-measuring system Download PDFInfo
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- CN106441670B CN106441670B CN201610800092.0A CN201610800092A CN106441670B CN 106441670 B CN106441670 B CN 106441670B CN 201610800092 A CN201610800092 A CN 201610800092A CN 106441670 B CN106441670 B CN 106441670B
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- 238000011156 evaluation Methods 0.000 claims abstract description 56
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 230000006698 induction Effects 0.000 claims abstract description 13
- 238000012806 monitoring device Methods 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 35
- 238000010586 diagram Methods 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 241000208340 Araliaceae Species 0.000 claims 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 2
- 235000008434 ginseng Nutrition 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000030214 innervation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 239000000523 sample Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0095—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring work or mechanical power
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0061—Force sensors associated with industrial machines or actuators
-
- 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
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Control Of Electric Motors In General (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to SERVO CONTROLs to drive measurement of power field, disclose a kind of SERVO CONTROL driving power-measuring system, including main control cabinet and testboard, main control cabinet includes monitoring modular, operation module and evaluation module, monitoring modular includes computer and monitoring device, for observing the working condition and data of tested motor；Operation module is used to be configured tested motor the operation after parameter and test feedback；Evaluation module generates evaluation criterion after carrying out parameter setting according to operation module, is evaluated with the data that evaluation of estimate feeds back tested motor；Testboard includes servo motor, torque and speed sensors, Vibration induction chassis and tested motor.The present invention by the data feedback after monitoring to computer and can be shown in real time, be timely feedbacked to operator, have multifunctional monitoring effect.Evaluation module can evaluate the data of feedback, and operator is facilitated to assess motor performance, and connect Computer display data, have good early warning.
Description
Technical field
The present invention relates to SERVO CONTROLs, and measurement of power field, more particularly to a kind of SERVO CONTROL to be driven to drive power-measuring system.
Background technique
Servo drive system not only requires speed adjustable range, but also to following the response time of instruction, follow precision all
There is higher requirement.With the development of power electronic technique, microprocessor technology, new material technology and control theory, servo
Drive system has been manufacturing mainstream demand.Robust when high performance servo drive system is mainly reflected in load variation
Property, to the fast-response etc. of speed, position command.
With the application of servo-drive, becomes more universal using servo-drive detection motor, how to utilize servo-drive
Examining motor performance is very urgent problems.And in existing technology, use when, is had the following problems:
1, easy to damage, anti-interference ability is poor, tested motor needs to carry out during the test its performance of load testing,
The destruction of apparatus structure caused by often will cause the vibration because of itself is used for a long time.
2, detection function is few, and SERVO CONTROL drives power-measuring system often only to test motor torque, the data such as power, and its
He influences sexual factor there is no consideration, and actual effect is caused to be not achieved most preferably.
Summary of the invention
The present invention provides a kind of servo control for the disadvantage that anti-interference ability is poor, detection function is few in the prior art
System driving power-measuring system.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals.
A kind of SERVO CONTROL driving power-measuring system, including main control cabinet and testboard, main control cabinet include monitoring modular, behaviour
Make module and evaluation module, monitoring modular includes computer and monitoring device, and monitoring device is set in tested motor, and number
According to Computer display is reached, for observing the working condition and data of tested motor；Operation module is used to carry out tested motor
Operation after parameter and test feedback are set；Evaluation module generates evaluation criterion after carrying out parameter setting according to operation module, with
The data that evaluation of estimate feeds back tested motor are evaluated；Testboard includes servo motor, torque and speed sensors, Vibration induction
Chassis and tested motor, torque and speed sensors are connected between servo motor and tested motor, the lower end of tested motor and shake
Innervation is answered and is mutually fixed between chassis, and Vibration induction chassis includes fixed frame and shock sensor, and shock sensor is fixed on fixation
The lower end of frame, fixed frame is equipped with supporting element, for fixing the position of tested motor.
Preferably, monitoring device includes current sensor, temperature measuring set and motor noise detector, current sensor
For detecting the size of current of tested motor, temperature measuring set is for detecting tested motor surface temperature, motor noise detector
The noise level generated at work for detecting motor.
Preferably, evaluation module includes electric current evaluation module, power estimation module, temperature evaluation module and noise valuation
Module；Electric current evaluation module connects current sensor, generates evaluation of estimate after getting the data of current sensor and is uploaded to
Computer；Power estimation module connects torque and speed sensors, generates evaluation of estimate after getting the data of torque and speed sensors
And it is uploaded to computer；Temperature evaluation module connects temperature measuring set, generates evaluation after getting the data of temperature measuring set
It is worth and is uploaded to computer；Noise valuation module connects motor noise detector, generates after getting motor noise detector
Evaluation of estimate and it is uploaded to computer.
Preferably, operation module generates the judgment basis that standard value is used for evaluation of estimate, evaluation of estimate according to the parameter of setting
Including it is poor, in, it is good and excellent, judged according to the data of feedback, evaluation criterion value between neutralize it is good between, be lower than certain value when
It is judged as poor, higher than being excellent after certain value.
Preferably, operation module includes parameter setting, database manipulation and draws a diagram；Parameter setting is watched for being arranged
Take the size of current of motor；Database manipulation is for being stored and being compared to the data of feedback；Display setting draw a diagram not
Feedback data when same parameter value, for more intuitively showing the variation of feedback data.
Preferably, servo motor is mounted in servo motor mounting base, the one of the axial direction of servo motor mounting base
End is equipped with sensor installation seat, and the photoelectric whirl of the revolving speed for measuring servo motor shaft is equipped on sensor installation seat
Sensor；The mounting surface that sensor installation seat is matched with photoelectric sensor is equipped with installation passage, and installation passage is equipped with
Oscillating rod thick stick, the swing pivot of oscillating rod thick stick are equipped with the swing steel ball of support, on the mounting surface of the top of the right end of oscillating rod thick stick
Equipped with button channel, button channel is equipped with button spring, and the lower end of button spring contradicts the right end of oscillating rod thick stick, button spring
Upper end contradicts button；The left end of oscillating rod thick stick is equipped with the first inclined-plane to the first vertical bar, the tail end of the first vertical bar is had；It is swinging
The top of the left end of bar thick stick is equipped with compression spring；Installation sliding block is fixed on photoelectric sensor, installation sliding block is being installed
It is slided in channel.
Preferably, the middle part of oscillating rod thick stick is equipped with the second vertical bar, the second vertical bar lateral connection cross bar, cross bar is downwardly vertical
It is connected with third vertical bar, the tail end of third vertical bar is equipped with the second inclined-plane for backlash compensation.
The present invention is due to using above technical scheme, and have significant technical effect: the present invention passes through monitoring modular pair
Tested motor is monitored, and is carried out torque, power, temperature, noise and size of current to tested motor by monitoring device and is detected,
It by the data feedback after monitoring to computer and can show, timely feedback to operator that there is multifunctional monitoring effect in real time
Fruit.Evaluation module can evaluate the data of feedback, and operator is facilitated to assess motor performance, play auxiliary and comment
The effect of valence.The vibration that Vibration induction chassis generates tested motor in the process of running is eliminated the effects of the act, and is detected simultaneously
Shockproofness, and Computer display data are connected, there is good early warning.
Detailed description of the invention
Fig. 1 is a kind of SERVO CONTROL driving power-measuring system operation principle schematic diagram of the present invention；
Fig. 2 is Vibration induction chassis structure schematic diagram in a kind of SERVO CONTROL driving power-measuring system of the present invention；
Fig. 3 is the scheme of installation of motor in a kind of SERVO CONTROL driving power-measuring system of the present invention；
Fig. 4 is the peace of photoelectric sensor and sensor installation seat in a kind of SERVO CONTROL driving power-measuring system of the present invention
Fill schematic diagram.
In figure: 1-main control cabinet, 11-monitoring modulars, 111-monitoring devices, 112-computers, 113-current senses
Device, 114-temperature measuring sets, 115-motor noise detectors, 12-operation modules, 13-evaluation modules, 131-electric currents are commented
Valence module, 132-power estimation modules, 133-temperature evaluation modules, 134-noise valuation modules, 2-testboards, 22-turn
Fast torque sensor, 23-tested motors, 24-Vibration induction chassis, 241-fixed frames, 242-shock sensors, 243-
Supporting element, 61-sensor installation seats, 62-photoelectric sensors, 63-servo motors, 64-servo motor mounting bases,
65-mounting surfaces, the 81-the first vertical bar, 82-compression springs, 83-oscillating rod thick sticks, 85-swing steel ball, 86-buttons, 87-
Button spring, 88-button channels, the 92-the second vertical bar, 93-cross bars, 94-third vertical bars, the 95-the second inclined-plane, 96-peaces
Fill sliding block, the 97-the first inclined-plane, 98-installation passages.
Specific embodiment
Present invention is further described in detail with embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of SERVO CONTROL drives power-measuring system, including main control cabinet 1 and testboard 2, main control cabinet 1 is wrapped
Monitoring modular 11, operation module 12 and evaluation module 13 are included, monitoring modular 11 includes computer 112 and monitoring device 111, monitoring
Device 111 is set in tested motor 23, and data are reached computer 112 and are shown, for observing the work of tested motor 23
State and data, monitoring device 111 include current sensor 113, temperature measuring set 114 and motor noise detector 115, electric current
Sensor 113 is used to detect the size of current of tested motor 23, and temperature measuring set 114 is for detecting 23 surface temperature of tested motor
Degree, motor noise detector 115 is for detecting the noise level that motor generates at work；Operation module 12 is used for quilt
Measured motor 23 is configured the operation after parameter and test feedback, and operation module 12 includes parameter setting, database manipulation and draws
Charting；Parameter setting is used to be arranged the size of current of servo motor 63；Database manipulation is for storing up the data of feedback
It deposits and compares；Feedback data when display setting different parameters value of drawing a diagram, for more intuitively showing feedback data
Variation.Operation module 12 according to the parameter of setting generate standard value be used for evaluation of estimate judgment basis, evaluation of estimate include it is poor, in,
It is good and excellent, judged according to the data of feedback, evaluation criterion value is judged as poor when lower than certain value between neutralizing between good,
Higher than being excellent after certain value；Evaluation module 13 generates evaluation criterion after carrying out parameter setting according to operation module 12, with evaluation of estimate
To tested motor 23 feed back data evaluate, evaluation module 13 include electric current evaluation module 131, power estimation module 132,
Temperature evaluation module 133 and noise valuation module 134；Electric current evaluation module 131 connects current sensor 113, gets electric current
Evaluation of estimate is generated after the data of sensor 113 and is uploaded to computer 112；Power estimation module 132 connects rotational speed and torque and passes
Sensor 22 generates evaluation of estimate after getting the data of torque and speed sensors 22 and is uploaded to computer 112；Temperature evaluates mould
Block 133 connects temperature measuring set 114, generates evaluation of estimate after getting the data of temperature measuring set 114 and is uploaded to computer
112；Noise valuation module 134 connects motor noise detector 115, generates evaluation of estimate after getting motor noise detector 115
And it is uploaded to computer 112；Testboard 2 include servo motor 63, torque and speed sensors 22, Vibration induction chassis 24 and by
Measured motor 23, torque and speed sensors 22 are connected between servo motor 63 and tested motor 23, the lower end of tested motor 23 with
It is mutually fixed between Vibration induction chassis 24, Vibration induction chassis 24 includes fixed frame 241 and shock sensor 242, vibration-sensing
Device 242 is fixed on the lower end of fixed frame 241, and fixed frame 241 is equipped with supporting element 243, for fixing the position of tested motor 23.
Servo motor 63 is mounted in servo motor mounting base 64, and one end of the axial direction of servo motor mounting base 64 is equipped with sensing
Device mounting base 61 is equipped with the photoelectric sensor of the revolving speed for measuring servo motor shaft on sensor installation seat 61
62；The mounting surface 65 that sensor installation seat 61 is matched with photoelectric sensor 62 is equipped with installation passage 98, installation passage
98 are equipped with oscillating rod thick stick 83, and the swing pivot of oscillating rod thick stick 83 is equipped with the swing steel ball 85 of support, the right end of oscillating rod thick stick 83
The mounting surface of top is equipped with button channel 88, and button channel 88 is equipped with button spring 87, and the lower end of button spring 87 contradicts pendulum
The upper end of the right end of lever thick stick 83, button spring 87 contradicts button 86；The left end of oscillating rod thick stick 83 to having the first vertical bar 81,
The tail end of first vertical bar 81 is equipped with the first inclined-plane 97；Compression spring 82 is equipped in the top of the left end of oscillating rod thick stick 83；Photoelectricity turns
Installation sliding block 96 is fixed on fast sensor 62, installation sliding block 96 slides in installation passage 98.The middle part of oscillating rod thick stick 83
Equipped with the second vertical bar 92,92 lateral connection cross bar 93 of the second vertical bar, cross bar 93 is downwardly vertical to be connected with third vertical bar 94, third vertical bar
94 tail end is equipped with the second inclined-plane 95 for backlash compensation.
When photoelectric sensor 62 is installed on sensor installation seat 61, external force is by the peace of photoelectric sensor 62
Sliding block 96 is filled to slide into installation passage 98, when installing the first inclined-plane 97 of the tail end that sliding block 96 touches the first vertical bar 81, by
In being squeezed, the first vertical bar 81 is moved upwards, and installation sliding block 96 continues to move ahead, and is erected until installation sliding block 96 fully passes over first
Bar 81, the first vertical bar 81 resets under the action of compression spring 82 at this time, prevents installation sliding block 96 from skidding off outward, substantially by photoelectricity
Speed probe 62 is quick installed on sensor installation seat 61.Simultaneously because install there are certain interval, third vertical bar 94
The second inclined-plane 95 that tail end is equipped with can be contacted slowly with installation sliding block 96, simultaneously as 92 lateral connection cross bar 93 of the second vertical bar,
Third vertical bar 94 can have the displacement appropriate up sprung back when being squeezed, be unlikely to that the left end of entire oscillating rod thick stick 83 is past
The compensation in installation gap may be implemented in upper jack-up.When needing replacing the photoelectric sensor 62 of different size, it is only necessary to press
The button 86 on button channel 88 is pressed, by the principle of lever, the first vertical bar 81 is up lifted, and installation sliding block 96 can exit peace
Fill channel 98.
In the process of running, different parameters is arranged by operation module 12 in main control cabinet 1 to system, tests tested motor
23 state and its feedback data under different parameters is collected feedback data by monitoring modular 11, including tested electricity
The current temperature of machine 23, electric current, power, rotational speed and torque, noise decibel and shockproofness data, are collected by monitoring device 111
To after data, then it is transferred to the display of computer 112.12 logarithm of operation module can be passed through after being collected to the data of feedback
According to correlation graph the case where stored to database, and draw out data variation according to database data, data is made to exist
Variation and influence in the case of different parameters is more very clear by chart.According to the parameter that operation module 12 is set, system
The standard value that tested motor 23 is simulated under the parameter can be generated, i.e., expected feedback data.On the basis of standard value, to real-time
The data of feedback are evaluated, and carry out division evaluation of estimate to determinating area, and first stroke is segmented into difference, and second stroke is segmented into
In, third, which is drawn, to be segmented into good, and the 4th stroke is segmented into excellent, is drawn automatically according to feedback data with the numerical values recited that differs of standard value
Point, and return to evaluation of estimate to computer 112 and show, can allow operator to the quality of data of Real-time Feedback have one it is intuitive
Understand.
In the process of running, the noise pollution of tested motor 23 is also a problem to testboard 2, is examined by motor noise
Instrument 115 is surveyed, the noise of tested motor 23 in varied situations is tested, and returned data, tested motor 23 is generated
Noise factor be determined, facilitate subsequent noise abatement or enhance performance processing work.Meanwhile in the lower end of tested motor 23
Equipped with Vibration induction chassis 24, tested motor 23 is placed on vibration frame when use, is consolidated tested motor 23 with supporting element 243
It is fixed, by the way that the shock sensor 242 of vibration frame lower end setting, the detection shake that tested motor 23 generates in use is arranged in
Fatigue resistance, and data are uploaded to computer 112, it is coped with to achieve the purpose that detection and with prevention.
In short, the foregoing is merely a prefered embodiment of the invention, it is all according to equivalent change made by scope of the present invention patent
With modification, shall all be covered by the patent of the invention.
Claims (5)
1. a kind of SERVO CONTROL drives power-measuring system, including main control cabinet (1) and testboard (2), it is characterised in that: main control cabinet
(1) include monitoring modular (11), operation module (12) and evaluation module (13), monitoring modular (11) include computer (112) and
Monitoring device (111), monitoring device (111) are set on tested motor (23), and data are reached computer (112) display,
For observing the working condition and data of tested motor (23)；Operation module (12) is for being configured ginseng to tested motor (23)
Operation after number and test feedback；Evaluation module (13) generates evaluation criterion after carrying out parameter setting according to operation module (12),
It is evaluated with the data that evaluation of estimate feeds back tested motor (23)；Testboard (2) includes servo motor (63), rotational speed and torque biography
Sensor (22), Vibration induction chassis (24) and tested motor (23), torque and speed sensors (22) are connected to servo motor (63)
Between tested motor (23), mutually fixed between the lower end and Vibration induction chassis (24) of tested motor (23), Vibration induction bottom
Disk (24) includes fixed frame (241) and shock sensor (242), and shock sensor (242) is fixed under fixed frame (241)
End, fixed frame (241) are equipped with supporting element (243), and for fixing the position of tested motor (23), operation module (12) includes ginseng
It counts setting, database manipulation and draws a diagram；Parameter setting is used to be arranged the size of current of servo motor (63)；Database manipulation
It is stored and is compared for the data to feedback；Feedback data when display setting different parameters value of drawing a diagram, for showing
Show data variation, servo motor (63) is mounted on servo motor mounting base (64), the axial direction side of servo motor mounting base (64)
To one end be equipped with sensor installation seat (61), sensor installation seat is equipped on (61) for measuring servo motor shaft
The photoelectric sensor (62) of revolving speed；The mounting surface that sensor installation seat (61) is matched with photoelectric sensor (62)
(65) installation passage (98) are equipped with, installation passage (98) is equipped with oscillating rod thick stick (83), and the swing pivot of oscillating rod thick stick (83) is set
There is the swing steel ball (85) of support, the mounting surface of the top of the right end of oscillating rod thick stick (83) is equipped with button channel (88), button
Channel (88) is equipped with button spring (87), and the lower end of button spring (87) contradicts the right end of oscillating rod thick stick (83), button spring
(87) upper end contradicts button (86)；The left end of oscillating rod thick stick (83) to having the first vertical bar (81), the first vertical bar (81)
Tail end is equipped with the first inclined-plane (97)；Compression spring (82) are equipped in the top of the left end of oscillating rod thick stick (83)；Photoelectric whirl sensing
Installation sliding block (96), installation sliding block (96) sliding in installation passage (98) are fixed on device (62).
2. a kind of SERVO CONTROL according to claim 1 drives power-measuring system, it is characterised in that: monitoring device (111) packet
Include current sensor (113), temperature measuring set (114) and motor noise detector (115).
3. a kind of SERVO CONTROL according to claim 2 drives power-measuring system, it is characterised in that: evaluation module (13) includes
Electric current evaluation module (131), power estimation module (132), temperature evaluation module (133) and noise valuation module (134)；Electric current
Evaluation module (131) connects current sensor (113), get generate after the data of current sensor (113) evaluation of estimate and
It is uploaded to computer (112)；Power estimation module (132) connects torque and speed sensors (22), gets rotational speed and torque sensing
Evaluation of estimate is generated after the data of device (22) and is uploaded to computer (112)；Temperature evaluation module (133) connects temperature measuring set
(114), evaluation of estimate is generated after getting the data of temperature measuring set (114) and is uploaded to computer (112)；Noise valuation mould
Block (134) connects motor noise detector (115), gets motor noise detector (115) and generates evaluation of estimate afterwards and upload
To computer (112).
4. a kind of SERVO CONTROL according to claim 1 drives power-measuring system, it is characterised in that: operation module (12) basis
The parameter of setting generates the judgment basis that standard value is used for evaluation of estimate, evaluation of estimate include it is poor, in, it is good and excellent, according to the number of feedback
According to being judged.
5. a kind of SERVO CONTROL according to claim 1 drives power-measuring system, it is characterised in that: in oscillating rod thick stick (83)
Portion is equipped with the second vertical bar (92), and the second vertical bar (92) lateral connection cross bar (93), cross bar (93) is downwardly vertical to be connected with third vertical bar
(94), the tail end of third vertical bar (94) is equipped with the second inclined-plane (95) for backlash compensation.
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| CN201610800092.0A CN106441670B (en) | 2016-08-31 | 2016-08-31 | A kind of SERVO CONTROL driving power-measuring system |
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| CN201610800092.0A CN106441670B (en) | 2016-08-31 | 2016-08-31 | A kind of SERVO CONTROL driving power-measuring system |
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| CN106441670B true CN106441670B (en) | 2019-05-14 |
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| CN109188270A (en) * | 2018-08-02 | 2019-01-11 | 沈阳工程学院 | A kind of main driving magneto performance test feedback system of electric airplane |
| CN111272398B (en) * | 2018-12-04 | 2024-12-03 | 中山市继文家具有限公司 | Chassis performance test machine |
| CN112834852A (en) * | 2021-01-07 | 2021-05-25 | 武汉纽姆数控机电设备有限公司 | Modularized servo drive unit comprehensive test platform based on bus control |
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