CN104748984A - Electric power steering test bench based on double motor control - Google Patents
Electric power steering test bench based on double motor control Download PDFInfo
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- CN104748984A CN104748984A CN201510166973.7A CN201510166973A CN104748984A CN 104748984 A CN104748984 A CN 104748984A CN 201510166973 A CN201510166973 A CN 201510166973A CN 104748984 A CN104748984 A CN 104748984A
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- torque sensor
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Abstract
The invention discloses an electric power steering test bench based on double motor control, relates to an electric power steering test bench and solves the problems that when an electric power steering controller is mounted on a vehicle directly for road tests, the risk is high and large amount of cost, material and labor force are consumed. The test bench comprises an input end motor, an input end reducer, an input end torque sensor, an assistant motor, an output end torque sensor, an output end reducer and an output end motor; the input end of the assistant motor is connected to the one end of the input end torque sensor through a coupler, the other end of the input end torque sensor is connected to the input end reducer through a coupler, and the input end reducer is connected to the input end motor; the output end of the assistant motor is connected to one end of the input end sensor through a universal joint, the other end of the output end torque sensor is connected to the output end reducer through a coupler, and the output end reducer is connected to the output end motor. The test bench is applied to electric power steering performance detection.
Description
Technical field
The present invention relates to a kind of electric power-assisted steering test stand, be specifically related to a kind of based on Double Motor Control electric power-assisted steering test stand.
Background technology
Electric boosting steering system is a kind of new automobile steering boost system, and it utilizes assist motor to provide moment assisted diversion for driver.The performance of electric boosting steering system on the impact of electric automobile steering manipulation greatly, is one of key components and parts of automobile.As the electric booster steering controller of electric boosting steering system core, the exploitation of its product and batch production have to pass through design studies, test stand performance detection experiment, torture test, last real vehicle set out on a journey multiple links such as test, wherein test stand performance detection experiment seems and is even more important, and is directly connected to comfortableness, safety and reliability during steering wheel rotation in real vehicle driving process.Motor road test cost is high, manpower and materials consumption is large and have suitable danger, so carried out necessary test stand performance detection experiment before real train test, the security of electric powered steering controller can be ensured, thus reduce the danger that road examination is carried out in direct entrucking, reduce financial resources, material resources and manpower that real train test consumes.Therefore, the research of electric boosting steering system performance detection testing bench has great necessity and practicality, has great importance to the production of electric power steering Related product, test and popularization.
Summary of the invention
Give hereinafter about brief overview of the present invention, to provide about the basic comprehension in some of the present invention.Should be appreciated that this general introduction is not summarize about exhaustive of the present invention.It is not that intention determines key of the present invention or pith, and nor is it intended to limit the scope of the present invention.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
Given this, the invention provides a kind of based on Double Motor Control electric power-assisted steering test stand, at least to solve the direct entrucking of electric powered steering controller, to carry out the danger that road examination exists high, and real train test needs the problem consuming a large amount of financial resources, material resources and manpower.
According to an aspect of the present invention, provide a kind of based on Double Motor Control electric power-assisted steering test stand, this electric power-assisted steering test stand comprises fixed station base, input end motor, input end speed reduction unit, four shaft couplings, input end torque sensor, assist motor, universal joint, output terminal torque sensor, output terminal speed reduction unit is connected with output terminal motor, wherein, fixed station base is horizontally disposed with, input end motor, input end speed reduction unit, shaft coupling, input end torque sensor, assist motor, universal joint, output terminal torque sensor, output terminal speed reduction unit is connected with output terminal motor and is coaxially set on fixed station base, the input end of assist motor is connected by shaft coupling one end with input end torque sensor, the other end of input end torque sensor is connected with input end speed reduction unit by shaft coupling, input end speed reduction unit is connected with input end motor, the output terminal of assist motor is connected by universal joint one end with output terminal torque sensor, and the other end of output terminal torque sensor is connected with output terminal speed reduction unit by shaft coupling, and output terminal speed reduction unit is connected with output terminal motor, input end motor is for simulating bearing circle input torque, output terminal motor is used for simulating wheel and road resistance, assist motor is used for producing power steering, and input end torque sensor is for detecting assist motor input torque, and output terminal torque sensor is for detecting assist motor Driving Torque.
Further: described fixed station base is joist steel guide rail.Setting like this, is convenient to install each parts, is convenient to keep each parts on the same line.
Further: described input end motor and output terminal motor are servomotor.
Further: described assist motor, input end motor are connected with PLC respectively by control line with output terminal motor.Setting like this, control mode simple and fast.
The effect reached based on Double Motor Control electric power-assisted steering test stand that the present invention proposes is: this testing table relies on the work of Double Motor Control testing table, one as input end, simulation bearing circle input torque; One as output terminal, when simulating wheel rotates and the resistance on ground.This testing table can the power output size of control inputs, output motor easily, thus better carries out organizing test more, not only saves the space shared by testing table, and Electric Machine Control precisely, convenient; Operate steadily, noise is little; Better save human resources and add safety coefficient.In addition due to testing table horizontal positioned, during running, safety coefficient is high relative to the test of traditional experiment platform.Improve the stability of electric power-assisted steering test stand test, agility, convenient test, reduces the research and development time simultaneously.
Accompanying drawing explanation
Fig. 1 is according to an embodiment of the invention based on the structural representation of Double Motor Control electric power-assisted steering test stand;
In figure: 1-fixed station base; 2-input end motor; 3-input end speed reduction unit; 4-shaft coupling; 5-input end torque sensor; 6-assist motor; 7-universal joint; 8-output terminal torque sensor; 9-output terminal speed reduction unit; 10-output terminal motor.
Embodiment
To be described one exemplary embodiment of the present invention by reference to the accompanying drawings hereinafter.For clarity and conciseness, all features of actual embodiment are not described in the description.But, should understand, must make a lot specific to the decision of embodiment in the process of any this practical embodiments of exploitation, to realize the objectives of developer, such as, meet those restrictive conditions relevant to system and business, and these restrictive conditions may change to some extent along with the difference of embodiment.In addition, although will also be appreciated that development is likely very complicated and time-consuming, concerning the those skilled in the art having benefited from the disclosure of invention, this development is only routine task.
At this, also it should be noted is that, in order to avoid the present invention fuzzy because of unnecessary details, illustrate only in the accompanying drawings with according to the closely-related apparatus structure of the solution of the present invention and/or treatment step, and eliminate other details little with relation of the present invention.
As shown in Figure 1, The embodiment provides based on Double Motor Control electric power-assisted steering test stand, comprise fixed station base 1, input end motor 2, input end speed reduction unit 3, four shaft couplings 4, input end torque sensor 5, assist motor 6, universal joint 7, output terminal torque sensor 8, output terminal speed reduction unit 9 is connected 10 with output terminal motor, wherein, fixed station base 1 is horizontally disposed with, input end motor 2, input end speed reduction unit 3, shaft coupling 4, input end torque sensor 5, assist motor 6, universal joint 7, output terminal torque sensor 8, output terminal speed reduction unit 9 is connected 10 and is coaxially set on fixed station base 1 with output terminal motor, the input end of assist motor 6 is connected with one end of input end torque sensor 5 by shaft coupling 4, the other end of input end torque sensor 5 is connected with input end speed reduction unit 3 by shaft coupling 4, input end speed reduction unit 3 is connected with input end motor 2, the output terminal of assist motor 6 is connected with one end of output terminal torque sensor 8 by universal joint 7, and the other end of output terminal torque sensor 8 is connected with output terminal speed reduction unit 9 by shaft coupling 4, and output terminal speed reduction unit 9 is connected with output terminal motor 10, input end motor 2 is for simulating bearing circle input torque, output terminal motor 10 is for simulating wheel and road resistance, assist motor 6 is used for producing power steering, input end torque sensor 5 is for detecting assist motor input torque, and output terminal torque sensor 8 is for detecting assist motor Driving Torque.
In addition, according to a kind of implementation, as shown in Figure 1, described fixed station base 1 is joist steel guide rail.Setting like this, is convenient to install each parts, keeps each parts on the same line.
Moreover according to a kind of implementation, as shown in Figure 1, described input end motor 2 and output terminal motor 10 are servomotor.
Finally, according to a kind of implementation, described assist motor 6, input end motor 2 are connected with PLC respectively by control line with output terminal motor 10.
Known by describing above, above-mentioned according to an embodiment of the invention based on Double Motor Control electric power-assisted steering test stand, during testing table work, the power that input end motor simulation actual rotation bearing circle produces, the resistance of output terminal motor simulation wheel and road, through input end speed reduction unit to input end torque sensor, input end torque sensor just can detect the input torque of assist motor, assist motor receives the moment of torsion that input end transmits will carry out work, output torque, carries out power-assisted; Output terminal torque sensor can detect the output torque of assist motor, and the data that input end, output terminal torque sensor detect collectedly can carry out torque characteristic analysis.The stability of electric power-assisted steering test stand test can be improved, agility, accuracy based on Double Motor Control electric power-assisted steering test stand; Can change control mode very easily, convenient test, reduces the research and development time.
Claims (4)
1., based on Double Motor Control electric power-assisted steering test stand, comprise fixed station base (1), input end motor (2), input end speed reduction unit (3), four shaft couplings (4), input end torque sensor (5), assist motor (6), universal joint (7), output terminal torque sensor (8), output terminal speed reduction units (9) are connected (10) with output terminal motor, it is characterized in that: fixed station base (1) is horizontally disposed with, input end motor (2), input end speed reduction unit (3), shaft coupling (4), input end torque sensor (5), assist motor (6), universal joint (7), output terminal torque sensor (8), output terminal speed reduction unit (9) is connected (10) and is coaxially set on fixed station base (1) with output terminal motor, the input end of assist motor (6) is connected with one end of input end torque sensor (5) by shaft coupling (4), the other end of input end torque sensor (5) is connected with input end speed reduction unit (3) by shaft coupling (4), input end speed reduction unit (3) is connected with input end motor (2), the output terminal of assist motor (6) is connected with one end of output terminal torque sensor (8) by universal joint (7), the other end of output terminal torque sensor (8) is connected with output terminal speed reduction unit (9) by shaft coupling (4), and output terminal speed reduction unit (9) is connected with output terminal motor (10), input end motor (2) is for simulating bearing circle input torque, output terminal motor (10) is for simulating wheel and road resistance, assist motor (6) is used for producing power steering, input end torque sensor (5) is for detecting assist motor input torque, and output terminal torque sensor (8) is for detecting assist motor Driving Torque.
2. according to claim 1 based on Double Motor Control electric power-assisted steering test stand, it is characterized in that: described fixed station base (1) is joist steel guide rail.
3. according to claim 1 based on Double Motor Control electric power-assisted steering test stand, it is characterized in that: described input end motor (2) and output terminal motor (10) are servomotor.
4. according to claim 1,2 or 3 based on Double Motor Control electric power-assisted steering test stand, it is characterized in that: described assist motor (6), input end motor (2) are connected with PLC respectively by control line with output terminal motor (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510166973.7A CN104748984A (en) | 2015-04-10 | 2015-04-10 | Electric power steering test bench based on double motor control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510166973.7A CN104748984A (en) | 2015-04-10 | 2015-04-10 | Electric power steering test bench based on double motor control |
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| CN104748984A true CN104748984A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510166973.7A Pending CN104748984A (en) | 2015-04-10 | 2015-04-10 | Electric power steering test bench based on double motor control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020433A (en) * | 2017-12-19 | 2018-05-11 | 浙江工业大学 | Utilize the method for electric boosting steering system test platform simulation test performance |
| CN109459249A (en) * | 2018-12-29 | 2019-03-12 | 无锡市朗迪测控技术有限公司 | New-energy automobile power assembly NVH testing stand |
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2015
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|---|---|---|---|---|
| CN108020433A (en) * | 2017-12-19 | 2018-05-11 | 浙江工业大学 | Utilize the method for electric boosting steering system test platform simulation test performance |
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| CN109459249A (en) * | 2018-12-29 | 2019-03-12 | 无锡市朗迪测控技术有限公司 | New-energy automobile power assembly NVH testing stand |
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Application publication date: 20150701 |