CN103777143A - Method for testing simulated inertia load of motor - Google Patents
Method for testing simulated inertia load of motor Download PDFInfo
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- CN103777143A CN103777143A CN201410057953.1A CN201410057953A CN103777143A CN 103777143 A CN103777143 A CN 103777143A CN 201410057953 A CN201410057953 A CN 201410057953A CN 103777143 A CN103777143 A CN 103777143A
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- motor
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- inertia
- angular velocity
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Abstract
The invention discloses a method for testing a simulated inertia load of a motor. The method comprises the steps of S1, determining the inertness J of the simulated load, S2, controlling the motor to run at the target angular speed wt from the current angular speed w0 with the constant angular acceleration, recording the running time tdelta, and obtaining the angular acceleration alpha=(wt-w0)/tdelta according to the acceleration computational formula, S3, obtaining an output torque current required Iq of the motor according to the load computational formula Tload= alpha*J=k*Iq. The method can precisely obtain the torque current required by the corresponding load, and the control performance of the motor is effectively improved.
Description
Technical field
The present invention relates to motor technology, specifically a kind of detection method for motor simulation inertia load.
Background technology
Along with the development of technology, motor has all obtained applying more and more widely in all trades and professions.Motor, in the time being applied in product, needs first motor to be carried out to a series of detection, guarantees its dynamic property and stability.One of them detecting unit, detects the inertia load of motor exactly, guarantees the applicable inertia load of motor.For accurate detection, need to detect by using different loads to go applicability and the stability of electric machine control system, could effectively obtain output torque accurately, fully guarantee the performance of motor.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method of testing of motor simulation inertia load, easy to operate, improves the control accuracy of motor.
In order to solve the problems of the technologies described above, the present invention takes following technical scheme:
A method of testing for motor simulation inertia load, comprises the following steps:
S1, determines the inertia J of fictitious load;
S2, control motor with constant angle acceleration from current angular velocity w
0run to target angular velocity w
t, record t working time
Δ; Obtain angular acceleration=(w according to acceleration formula
t-w
0)/t
Δ;
S3, according to load calculation formula T
load=α * J=k*Iq, thus the torque current Iq that motor is exported obtained.
Described inertia J obtains according to computing formula J=m*r2/2, and wherein m is the quality of simulation object, and r is the equivalent circular cylindricality radius of simulation object, thus the torque current Iq=(w of motor
t-w
0) * m*r2/ (2*k*t
Δ), k is scale-up factor.
In described step S2, control motor and will run to angular velocity w
tafter, with this angular velocity w
tcarry out average rate rotation.
Convenient test of the present invention, makes motor can export accurately torque current according to load, thereby exports torque accurately, improves control performance.
Embodiment
For the ease of those skilled in the art's understanding, below in conjunction with specific embodiment, the invention will be further described.
The present invention has disclosed a kind of method of testing of motor simulation inertia load, comprises the following steps:
S1, determines the inertia J of fictitious load.Motor, in test, first will be determined the quality m of simulation object, and the equivalent circular cylindricality radius of this simulation object is r, inertia J=m*r2/2.
S2, control motor with constant angle acceleration from current angular velocity w
0run to target angular velocity w
t, then make motor at angular velocity w
tlower maintenance average rate is travelled, and records motor from angular velocity w
0accelerate to target angular velocity w
trequired t working time
Δ; Obtain angular acceleration=(w according to acceleration formula
t-w
0)/t
Δ.
S3, according to load calculation formula T
load=α * J=k*Iq, thus the torque current Iq that motor is exported obtained, determine torque current, can obtain exactly exporting torque, Iq*k=(w according to torque current and the fixed proportion relation of output torque
t-w
0) * m*r2/ (2*t
Δ), thereby obtain Iq=(w
t-w
0) * m*r2/ (2*k*t
Δ).In reality test, also can produce a load loss is T
loss,total load T=T
load+ T
loss, T loss is less with respect to T load, can be almost equal to zero, and therefore T=T load, and make machine operation in speed closed loop control model.Can be obtained by above-mentioned, in the time that the quality of fictitious load object is m, motor is from speed w
0accelerate to target angular velocity w
tthe needed torque current of inertia load producing.
By the object of simulation different quality, can obtain motor needed torque current in the time of operation different loads, can obtain needing the torque of motor output.Thereby make motor can there is accurate control performance, improve the accuracy of controlling.
In addition, if the load object relating to specific to material and size, if the density of material of object is p, L is cylinder thing body length, the diameter of section that D is object, radius r=D/2, inertia J=m*r2/2=(π pLD of load
4)/32, applied widely.
Claims (3)
1. a method of testing for motor simulation inertia load, comprises the following steps:
S1, determines the inertia J of fictitious load;
S2, control motor with constant angle acceleration from current angular velocity w
0run to target angular velocity w
t, record t working time
Δ; Obtain angular acceleration=(w according to acceleration formula
t-w
0)/t
Δ;
S3, according to load calculation formula T
load=α * J=k*Iq, thus the torque current Iq that motor is exported obtained.
2. the method for testing of motor simulation inertia load according to claim 1, it is characterized in that, described inertia J obtains according to computing formula J=m*r2/2, and wherein m is the quality of simulation object, r is the equivalent circular cylindricality radius of simulation object, thus the torque current Iq=(w of motor
t-w
0) * m*r2/ (2*k*t
Δ), k is scale-up factor.
3. the method for testing of motor simulation inertia load according to claim 1, is characterized in that, in described step S2, controls motor and will run to angular velocity w
tafter, with this angular velocity w
tcarry out average rate rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410057953.1A CN103777143A (en) | 2014-02-20 | 2014-02-20 | Method for testing simulated inertia load of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410057953.1A CN103777143A (en) | 2014-02-20 | 2014-02-20 | Method for testing simulated inertia load of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103777143A true CN103777143A (en) | 2014-05-07 |
Family
ID=50569615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410057953.1A Pending CN103777143A (en) | 2014-02-20 | 2014-02-20 | Method for testing simulated inertia load of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103777143A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155552A (en) * | 2014-08-12 | 2014-11-19 | 北京天拓四方科技有限公司 | Electrical parameter measuring method for mechanical rotary inertia |
| CN112014732A (en) * | 2020-08-27 | 2020-12-01 | 中科新松有限公司 | Torque current detection device and method |
| CN112044018A (en) * | 2020-09-11 | 2020-12-08 | 成都拟合未来科技有限公司 | Motor-based strength training equipment adjusting method and device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1354558A (en) * | 2001-12-05 | 2002-06-19 | 深圳安圣电气有限公司 | Non-synchronous motor rotary inertia identification method |
| JP2005204431A (en) * | 2004-01-16 | 2005-07-28 | Matsushita Electric Ind Co Ltd | Motor drive unit |
| CN101264759A (en) * | 2007-03-17 | 2008-09-17 | 株式会社日立制作所 | Brake control apparatus and process of controlling the same |
| CN101915896A (en) * | 2010-07-16 | 2010-12-15 | 广西大学 | Testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor |
| JP2011200067A (en) * | 2010-03-23 | 2011-10-06 | Toshiba Corp | Motor control device and electric equipment |
| CN102455240A (en) * | 2011-03-14 | 2012-05-16 | 无锡艾柯威科技有限公司 | Method for detecting load inertia of variable-frequency motor |
-
2014
- 2014-02-20 CN CN201410057953.1A patent/CN103777143A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1354558A (en) * | 2001-12-05 | 2002-06-19 | 深圳安圣电气有限公司 | Non-synchronous motor rotary inertia identification method |
| JP2005204431A (en) * | 2004-01-16 | 2005-07-28 | Matsushita Electric Ind Co Ltd | Motor drive unit |
| CN101264759A (en) * | 2007-03-17 | 2008-09-17 | 株式会社日立制作所 | Brake control apparatus and process of controlling the same |
| JP2011200067A (en) * | 2010-03-23 | 2011-10-06 | Toshiba Corp | Motor control device and electric equipment |
| CN101915896A (en) * | 2010-07-16 | 2010-12-15 | 广西大学 | Testing device for mechanical property parameters of modularized permanent magnet synchronous servo motor |
| CN102455240A (en) * | 2011-03-14 | 2012-05-16 | 无锡艾柯威科技有限公司 | Method for detecting load inertia of variable-frequency motor |
Non-Patent Citations (2)
| Title |
|---|
| 刘娜 等: "均匀圆柱体对其中心轴转动惯量的计算方法", 《高等函授学报（自然科学版）》 * |
| 白绪涛 等: "一种新型异步电动机负载转矩间接检测方法", 《电机与控制应用》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155552A (en) * | 2014-08-12 | 2014-11-19 | 北京天拓四方科技有限公司 | Electrical parameter measuring method for mechanical rotary inertia |
| CN104155552B (en) * | 2014-08-12 | 2017-03-15 | 北京天拓四方科技有限公司 | A kind of measurement of electric parameter method of mechanical rotation inertia |
| CN112014732A (en) * | 2020-08-27 | 2020-12-01 | 中科新松有限公司 | Torque current detection device and method |
| CN112014732B (en) * | 2020-08-27 | 2023-06-02 | 中科新松有限公司 | Torque current detection device and method |
| CN112044018A (en) * | 2020-09-11 | 2020-12-08 | 成都拟合未来科技有限公司 | Motor-based strength training equipment adjusting method and device |
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Application publication date: 20140507 |