CN108375480A - A kind of car conversion system testing table - Google Patents

A kind of car conversion system testing table Download PDF

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Publication number
CN108375480A
CN108375480A CN201810312177.3A CN201810312177A CN108375480A CN 108375480 A CN108375480 A CN 108375480A CN 201810312177 A CN201810312177 A CN 201810312177A CN 108375480 A CN108375480 A CN 108375480A
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CN
China
Prior art keywords
steering
controller
electromagnetic clutch
electronic control
control unit
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Granted
Application number
CN201810312177.3A
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Chinese (zh)
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CN108375480B (en
Inventor
时培成
李雪凤
张荣芸
李云龙
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Anhui Polytechnic University
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Anhui Polytechnic University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles
    • G01M17/06Steering behaviour; Rolling behaviour
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles

Abstract

The invention discloses a kind of car conversion system testing tables, by tradition machinery steering, electronic control steering and wire-controlled steering system three fusion in a steering testing stand, simultaneously, the conversion between three kinds of steering can be realized according to different operating situation, testing stand versatility is high, the requirement of experiment of three kinds of steering can be met, for users, acquisition expenses and the fabricating yard space of experimental facilities can be saved, and solves the failure easily occurred in line control system real work.

Description

A kind of car conversion system testing table
Technical field
The invention belongs to automobile steering system experimental provision technical fields, specifically, the present invention relates to a kind of automobiles to turn To systems test bed.
Background technology
With the fast development of automotive engineering, automobile steering system is also from tradition machinery steering, hydraulic power-assisted steering System arrives wire-controlled steering system again to electronic control steering, there is more significant development.Since people are to the peace of automobile Full performance requirement is higher and higher, and wire-controlled steering system can improve the security performance of motor turning, improves driving performance, improves The road feel of driver, therefore the application of wire-controlled steering system is more and more common.The many enterprises of recent domestic and scientific research institution are It is designed and develops through being directed to wire-controlled steering system, China starts late, now also in developing stage.Due to American-European countries and Japan and Korea S are more early for the theoretical research of wire-controlled steering system and conceptual machine research and development starting, therefore are led in the research of line traffic control steering test bench Domain is also more deep, has been achieved for certain practicability achievement at present, and in automobile experiment.
But when automobile storage battery break down, as engine start under low-voltage state or electrical steering occur Failure, control unit are possible to make erroneous judgement to steering wheel angle, and the rotational angle of steering wheel and wheel is caused to have differences The problems such as appearance now invented a kind of car conversion system testing table and its control method to solve the problems, such as this.Meanwhile The testing stand turns to tradition machinery steering, electronic control steering and wire-controlled steering system three fusion at one In systems test bed, the conversion between three kinds of steering can be realized according to different working conditions.For users, may be used Save acquisition expenses and the fabricating yard space of experimental facilities.
Invention content
The present invention provides a kind of car conversion system testing table, by tradition machinery steering, electronic control steering With wire-controlled steering system three fusion in a steering, meanwhile, three kinds of steerings can be realized according to different operating situation Conversion between system solves the problems, such as that steering testing stand repeats to purchase, and solves line control system real work In the failure that easily occurs.
To achieve the goals above, the technical solution that the present invention takes is:A kind of car conversion system testing table and its control Method processed, including steering moment, steering wheel, electronic control unit one, driving motor, electromagnetic clutch one, rack-and-pinion, tire Component, electronic control unit two, feedback motor, electromagnetic clutch two, controller, retarder, sensor group, steering shaft and connection Axis, on the steering wheel, the steering wheel lower end is connect with steering shaft upper end for steering moment effect, the steering shaft lower end and Connect on the downside of the connection of the upside of electromagnetic clutch one, the connecting shaft upper end and electromagnetic clutch one, the connecting shaft lower end with subtract Fast device connection, the retarder are connect with rack-and-pinion, and the rack-and-pinion both sides are connect with tyre assembly, the steering shaft side Face is connected with first sensor group, and second sensor group, the biography of the steering shaft side are connected on the tyre assembly Sensor group is electrically connected with electronic control unit one and controller simultaneously, and the electronic control unit one is connect with driving motor, The driving motor is connect with two side of electromagnetic clutch, and the other side of the electromagnetic clutch two is connect with retarder, institute It states the sensor group connected on tyre assembly to be electrically connected with electronic control unit two and controller simultaneously, the electronic control is single Member two is electrically connected with feedback motor, and the feedback motor is connect with steering wheel, and the feedback motor is electrically connected with controller, The signal output end of the driving motor is electrically connected with controller, and the controller is electrically connected with electromagnetic clutch one, institute It states controller to be electrically connected with electromagnetic clutch two, the controller is electrically connected with electronic control unit one, the controller It is electrically connected with electronic control unit two.
Preferably, or both the electromagnetic clutch one and electromagnetic clutch two are that there are one be closed or be simultaneously It is closed.
Preferably, pass through information sharing in parallel between the electronic control unit one, electronic control unit two and controller Connection.
Preferably, the steering wheel is equipped with reset button.
It is using the advantageous effect of above technical scheme:The car conversion system testing table, a test-bed can be realized The experimental simulation of three kinds of steering can save instruction cost especially in colleges and universities' experimental courses or in equipment cost.
The present invention is applied in actual vehicle, other than having the advantages that wire-controlled steering system, can also reduce failure Incidence improves drive safety.
Present invention combination wire-controlled steering system (SBW), electronic control steering (EPS), tradition machinery steering work Make principle knowledge, by three's fusion in a steering, meanwhile, it can realize three kinds of steering systems according to different operating situation Conversion between system solves the problems, such as that steering testing stand repeats to purchase and solve easily to go out in line control system real work Existing failure.
Description of the drawings
Fig. 1 is the car conversion system testing table mechanical realization figure;
Fig. 2 is the car conversion system testing table schematic diagram;
Wherein:
1, steering moment;2, steering wheel;3, electronic control unit one;4, driving motor;5, electromagnetic clutch one;6, gear Rack;7, tyre assembly;8, electronic control unit two;9, motor is fed back;10, electromagnetic clutch two;11, controller;12, slow down Device;13, sensor group;14, steering shaft;15, connecting shaft;16, reset button.
Specific implementation mode
Below against attached drawing, by the description of the embodiment, making to the specific implementation mode of the present invention further details of Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to the design of the present invention, technical solution Solution, and contribute to its implementation.
As shown in Figure 1 to Figure 2, the present invention is a kind of car conversion system testing table, by tradition machinery steering, electricity Son control steering and wire-controlled steering system three are merged in a steering, meanwhile, it can be according to different operating shape Condition realizes the conversion between three kinds of steering, solves the problems, such as that steering testing stand repeats to purchase and line control system is practical The failure easily occurred in work.
Specifically, as shown in Figure 1 to Figure 2, including steering moment 1, steering wheel 2, electronic control unit 1, driving electricity Machine 4, electromagnetic clutch 1, rack-and-pinion 6, tyre assembly 7, electronic control unit 28, feedback motor 9, electromagnetic clutch two 10, controller 11, retarder 12, sensor group 13, steering shaft 14 and connecting shaft 15, the steering moment 1 act on steering wheel 2 On, 2 lower end of the steering wheel is connect with 14 upper end of steering shaft, and 14 lower end of the steering shaft is connect with one 5 upside of electromagnetic clutch, 15 upper end of the connecting shaft is connect with one 5 downside of electromagnetic clutch, and 15 lower end of the connecting shaft is connect with retarder 12, described to subtract Fast device 12 is connect with rack-and-pinion 6, and 6 both sides of the rack-and-pinion are connect with tyre assembly 7, and 14 side of the steering shaft is connected with First sensor group 13 is connected with second sensor group 13, the sensing of 14 side of the steering shaft on the tyre assembly 7 Device group 13 is electrically connected with electronic control unit 1 and controller 11 simultaneously, the electronic control unit 1 and driving motor 4 Connection, the driving motor 4 are connect with 28 side of electromagnetic clutch, the other side of the electromagnetic clutch 2 10 and deceleration Device 12 connects, and the sensor group 13 connected on the tyre assembly 7 electrically connects with electronic control unit 28 and controller 11 simultaneously It connects, the electronic control unit 28 is electrically connected with feedback motor 9, and the feedback motor 9 is connect with steering wheel 2, the feedback Motor 9 is electrically connected with controller 11, and signal output end and the controller 11 of the driving motor 4 are electrically connected, the control Device 11 is electrically connected with electromagnetic clutch 1, and the controller 11 is electrically connected with electromagnetic clutch 2 10, the controller 11 It is electrically connected with electronic control unit 1, the controller 11 is electrically connected with electronic control unit 28.
Or both the electromagnetic clutch 1 and electromagnetic clutch 25 are that there are one be closed or be to be closed at.
Connected by information sharing in parallel between the electronic control unit 1, electronic control unit 28 and controller 11 It connects.
The steering wheel 2 is equipped with reset button 16, presses reset button 16, testing stand automatically restores to initial SBW Working condition.
Specific working mode is illustrated with specific embodiment below:
The car conversion system testing table is specifically described the wire-controlled steering system (SBW) of the testing stand, steering moment first 1 acts on and generates certain torque on steering wheel 2, then turns to axis 14 and rotates an angle, the sensor of 14 side of steering shaft Angular signal is passed to electronic control unit 1 and controller 11 by group 13 simultaneously, and electronic control unit 1 controls driving motor The size of 4 direction of rotation and power-assisted electric current, while controller 11 controls electromagnetic clutch 2 10 and is closed, electromagnetic clutch 1 It disconnects, the auxiliary power of driving motor 4 is transported to retarder 12 by electromagnetic clutch 2 10 and reaches tyre assembly 7.Simultaneous wheels The sensor group 13 connected on tire component 7 is by the travel condition signals of tyre assembly 7 while passing to 28 He of electronic control unit Controller 11, the size of the direction of rotation and power-assisted electric current of the control feedback motor 9 of electronic control unit 28, and this signal is anti- The steering wheel 2 of feedback makes driver experience practical road conditions, and can provide good road feel to driver to avoid hired roughneck's phenomenon, with It is above wire-controlled steering system (SBW) course of work, in this course of work, electromagnetic clutch 1 disconnects, and electromagnetic clutch 2 10 closes It closes.
When be transported to feedback motor 9 feedback signal and 7 actual working state of tyre assembly it is inconsistent, on tyre assembly 7 Travel condition signals are passed to controller 11 by the sensor group 13 of connection, while the signal for feeding back the output of motor 9 passes to Controller 11, controller 11 convert receive two signals by algorithm or signal, judge the feedback letter for feeding back motor 9 Number inconsistent with 7 actual working state of tyre assembly, controller 11, which controls electromagnetic clutch 1 and is closed, simultaneously to work, at this time Can the actual working state of tyre assembly 7 and rack-and-pinion 6 be directly directly fed back to steering wheel 2, it at this time need not feedback electricity Machine 9 provides good road feel for driver.
When electrical steering breaks down, 2 actual steering of special steering wheel and driving motor 4 are inconsistent, steering shaft 14 Angular signal is passed to controller 11 by the sensor group 13 of side, while the signal of the output of driving motor 4 passes to control Device 11, controller 11 convert receive two signals by algorithm or signal, judge 2 actual steering of steering wheel and driving Motor 4 is inconsistent, and control electromagnetic clutch 1 is closed, and electromagnetic clutch 2 10 disconnects, and steering is in tradition machinery at this time Steering working condition, driver be input to the steering moment 1 of steering wheel 2 by steering shaft 14, electromagnetic clutch 1, subtract Fast device 12, connecting shaft 15, rack-and-pinion 6, tyre assembly 7 realize tradition machinery working condition.
Do not allow the state that electromagnetic clutch 1 and electromagnetic clutch 2 10 simultaneously switch off occur when special work to go out It is existing, it will be unable to work normally because simultaneously switching off steering.
After the above trouble shooting, controller 11 controls switch by algorithm according to the signal received and realizes initial SBW Working condition.
The car conversion system testing table, a test-bed can realize the experimental simulation of three kinds of steering, especially exist Instruction cost can be saved in colleges and universities' experimental courses or in equipment cost.
The present invention is applied in actual vehicle, other than having the advantages that wire-controlled steering system, can also reduce failure Incidence improves drive safety.
Present invention combination wire-controlled steering system (SBW), electronic control steering (EPS), tradition machinery steering work Make principle knowledge, by three's fusion in a steering, meanwhile, it can realize three kinds of steering systems according to different operating situation Conversion between system, solve the problems, such as steering testing stand repeat to purchase and line control system real work in the event that easily occurs Barrier.
The present invention is exemplarily described above in association with attached drawing, it is clear that the present invention implements not by above-mentioned side The limitation of formula, as long as using the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress;Or not It is improved, the above-mentioned design of the present invention and technical solution are directly applied into other occasions, in protection scope of the present invention Within.

Claims (4)

1. a kind of car conversion system testing table, it is characterised in that:It is single including steering moment (1), steering wheel (2), electronic control First one (3), driving motor (4), electromagnetic clutch one (5), rack-and-pinion (6), tyre assembly (7), electronic control unit two (8), feedback motor (9), electromagnetic clutch two (10), controller (11), retarder (12), sensor group (13), steering shaft (14) it is acted on steering wheel (2) with connecting shaft (15), the steering moment (1), steering wheel (2) lower end and steering shaft (14) upper end connects, and is connect on the upside of steering shaft (14) lower end and electromagnetic clutch one (5), connecting shaft (15) upper end and Connection, connecting shaft (15) lower end are connect with retarder (12) on the downside of electromagnetic clutch one (5), the retarder (12) and tooth It takes turns rack (6) to connect, rack-and-pinion (6) both sides connect with tyre assembly (7), and steering shaft (14) side is connected with the One sensor group (13) is connected with second sensor group (13), steering shaft (14) side on the tyre assembly (7) Sensor group (13) and meanwhile be electrically connected with electronic control unit one (3) and controller (11), the electronic control unit one (3) it is connect with driving motor (4), the driving motor (4) connect with electromagnetic clutch two (10) side, the electromagnetic clutch The other side of two (10) is connect with retarder (12), the sensor group (13) connected on the tyre assembly (7) and meanwhile with electricity Sub-control unit two (8) and controller (11) are electrically connected, and the electronic control unit two (8) electrically connects with feedback motor (9) It connects, the feedback motor (9) connect with steering wheel (2), and the feedback motor (9) is electrically connected with controller (11), the drive The signal output end of dynamic motor (4) is electrically connected with controller (11), and the controller (11) is electrical with electromagnetic clutch one (5) Connection, the controller (11) are electrically connected with electromagnetic clutch two (10), the controller (11) and electronic control unit one (3) it is electrically connected, the controller (11) is electrically connected with electronic control unit two (8).
2. a kind of car conversion system testing table according to claim 1, it is characterised in that:The electromagnetic clutch one (5) and electromagnetic clutch two (10) otherwise both be there are one be closed or be to be closed at.
3. a kind of car conversion system testing table according to claim 1, it is characterised in that:The electronic control unit one (3), it is connected by information sharing in parallel between electronic control unit two (8) and controller (11).
4. a kind of car conversion system testing table according to claim 1, it is characterised in that:It is set on the steering wheel (2) There is reset button (16).
CN201810312177.3A 2018-04-09 2018-04-09 Automobile steering system test bed Active CN108375480B (en)

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Application Number Priority Date Filing Date Title
CN201810312177.3A CN108375480B (en) 2018-04-09 2018-04-09 Automobile steering system test bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810312177.3A CN108375480B (en) 2018-04-09 2018-04-09 Automobile steering system test bed

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CN108375480B CN108375480B (en) 2020-03-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112918548A (en) * 2021-01-27 2021-06-08 南京航空航天大学 Magnetorheological damping road feel stepless speed change steer-by-wire device and method
CN113092139A (en) * 2021-04-30 2021-07-09 东风柳州汽车有限公司 Steering wheel assembly operability verification device

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CN202491670U (en) * 2012-03-11 2012-10-17 佳木斯大学 Electromechanical coupling device of planetary mechanism for hybrid power loader
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CN105667580A (en) * 2016-03-22 2016-06-15 南京航空航天大学 Steering-by-wire system based on fuzzy control and control method thereof
CN106627740A (en) * 2017-03-08 2017-05-10 吉林大学 Clutch device suitable for steer-by-wire
US20170320515A1 (en) * 2016-05-06 2017-11-09 Dura Operating, Llc Control assembly for a vehicle steer-by-wire system
CN107792168A (en) * 2017-09-26 2018-03-13 浙江万达汽车方向机股份有限公司 A kind of sleeve motor steer by wire apparatus and control method
CN207937176U (en) * 2018-04-09 2018-10-02 安徽工程大学 A kind of car conversion system testing table

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2936821Y (en) * 2006-08-29 2007-08-22 比亚迪股份有限公司 Mixed power drive system
CN101393081A (en) * 2007-09-12 2009-03-25 中国第一汽车集团公司 Electric power-assisted steering test stand
CN101596915A (en) * 2009-07-10 2009-12-09 奇瑞汽车股份有限公司 A kind of automobile steering system based on line traffic control
CN101797884A (en) * 2010-04-20 2010-08-11 上海交通大学 Duel-clutch stepless speed change series parallel hybrid power system
CN202491670U (en) * 2012-03-11 2012-10-17 佳木斯大学 Electromechanical coupling device of planetary mechanism for hybrid power loader
CN102826000A (en) * 2012-08-17 2012-12-19 三一集团有限公司 Vehicle hybrid power system and container stacker
WO2014123788A2 (en) * 2013-02-08 2014-08-14 Efficient Drivetrains Inc. Powertrain configurations for single-motor, two-clutch hybrid electric vehicles
CN104760612A (en) * 2015-03-09 2015-07-08 长安大学 Double-motor electric power-assisted steering system and power-assisted steering method thereof
CN105667580A (en) * 2016-03-22 2016-06-15 南京航空航天大学 Steering-by-wire system based on fuzzy control and control method thereof
US20170320515A1 (en) * 2016-05-06 2017-11-09 Dura Operating, Llc Control assembly for a vehicle steer-by-wire system
CN106627740A (en) * 2017-03-08 2017-05-10 吉林大学 Clutch device suitable for steer-by-wire
CN107792168A (en) * 2017-09-26 2018-03-13 浙江万达汽车方向机股份有限公司 A kind of sleeve motor steer by wire apparatus and control method
CN207937176U (en) * 2018-04-09 2018-10-02 安徽工程大学 A kind of car conversion system testing table

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112918548A (en) * 2021-01-27 2021-06-08 南京航空航天大学 Magnetorheological damping road feel stepless speed change steer-by-wire device and method
CN113092139A (en) * 2021-04-30 2021-07-09 东风柳州汽车有限公司 Steering wheel assembly operability verification device
CN113092139B (en) * 2021-04-30 2022-10-14 东风柳州汽车有限公司 Steering wheel assembly operability verification device

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