CN203414284U - Automobile steer-by-wire resistance stimulation test bench - Google Patents
Automobile steer-by-wire resistance stimulation test bench Download PDFInfo
- Publication number
- CN203414284U CN203414284U CN201320390002.7U CN201320390002U CN203414284U CN 203414284 U CN203414284 U CN 203414284U CN 201320390002 U CN201320390002 U CN 201320390002U CN 203414284 U CN203414284 U CN 203414284U
- Authority
- CN
- China
- Prior art keywords
- steering gear
- steering
- resistance
- gear
- turn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The utility model discloses an automobile steer-by-wire resistance stimulation test bench for solving the problem of low precision of a conventional steering resistance simulation test bench. In the automobile steer-by-wire resistance stimulation test bench, a resistance worm gear and a transmission gear are fixed to the bottom of a steering gear input shaft, and the top of the steering gear input shaft is connected with the bottom of a steering execution transmission shaft through a universal joint; the teeth of a steering gear output shaft are engaged with the transmission gear; the two ends of the steering gear output shaft are respectively hinged to a steering gear guide rod through a steering gear sway bracing; each steering gear guide rod is fixed to a wheel; a resistance worm fixed to the output shaft of a resistance simulation motor cooperates with the resistance worm gear; the steering execution transmission shaft has a central portion fixed to a transmission worm gear and a top portion fixed to the internal rotor of an angle sensor; the angle sensor is connected with the input end of an electric control unit; a transmission worm fixed to the output shaft of a steering execution motor cooperates with the transmission worm gear; and the damping simulation motor and the steering execution motor are respectively connected with one output end of the electric control unit. The automobile steer-by-wire resistance stimulation test bench can accurately stimulate steering resistance.
Description
Technical field
The utility model relates to Automotive Steering Technology field, is specifically related to a kind of automobile steering-by-wire resistance simulating test-bed.
Background technology
Performance of automotive steering system directly affects control stability in vehicle traveling process, security and comfortableness.In the stages such as automobile steering system has experienced that traditional mechanical type turns to, hydraulic power-assist steering system and electric boosting steering system, there has been to larger improvement pilot control stability, comfortableness aspect.The common ground of above-mentioned steering is catanator and turns between topworks and exist mechanical connection, and ratio of gear is fixed, and the steering characteristic of automobile changes with the speed of a motor vehicle.The fast development of current auto electronic control technology has brought technical reform and innovation to automobile steering system.Wire control technology is progressively being applied in steering, and the study hotspot of current steering technique is steering-by-wire.Steering-by-wire has been cancelled catanator and has been turned to the mechanical connection between topworks, by electronic control unit, driver's the intention that turns to is passed to topworks the Real-time Feedback information of turning to.The electronic control unit of steering-by-wire technology can arrange any ratio of gear, thereby break away from the restriction of conventional steering stable drive ratio, compensate the parameter changing with the speed of a motor vehicle, motor turning characteristic is not changed with the speed of a motor vehicle, improved car steering active safety and stability.
Automobile steering system is applied a series of stages such as need to experiencing physical prototyping design, bench test, real vehicle test and modification and perfection from research and development to volume production.Wire-controlled steering system is because having cancelled catanator and having turned to the mechanical connection between topworks, in control system, steering logic algorithm is comparatively complicated, reliability and security need further to be verified, thereby must fully debug the software and hardware of system before carrying out real vehicle test, until system has optimum performance.Thereby steering-by-wire simulation testing platform builds seem particularly important in wire-controlled steering system performance history, can carry out sufficient preparation for real vehicle test.
In steering-by-wire simulation testing platform is built, thereby the force environment of steering mechanism obtains test figure more accurately in order can real-time simulation to go out to turn to, therefore the simulation of road pavement steering drag is the important component part of test-bed, and it is mainly used for the suffered resistance of simulating vehicle steering actuator.
At present steering drag simulation is had and adopts spring to carry out, as application number 200820081713.5 adopts the fixing spring simulated resistance in one end, the drag size of simulation and decrement or the linear variation of elongation of spring, once selected spring, spring rate remains unchanged, be that lateral resistance is only relevant with spring length, degree of accuracy can not meet testing requirements, can not reflect the resistance situation of actual tests process.Application number 201010191612.5 adopts electrohydraulic system to carry out resistance simulation, adopt servo-valve to carry out resistance simulation control to hydraulic cylinder, because hydraulic system equipment requirement is many, cost is high, take up room large, structure is comparatively complicated, and the leakage of oil hidden danger that hydraulic system exists there is no at present method and effectively solves, there is certain hysteresis quality in hydraulic system output simultaneously, can not meet the requirement of real-time of emulation.
Summary of the invention
The utility model is for the deficiencies in the prior art, a kind of automobile steering-by-wire resistance simulating test-bed has been proposed, this testing table records and turns to the turn signal of actuating motor to control the drag size of resistance simulation motor and direction according to angular transducer, thereby simulates steering drag exactly.
The utility model comprises bracing or strutting arrangement, steering gear, universal joint, resistance simulation system, angular transducer, shaft coupling, ECU (Electrical Control Unit), turns to executive system and two wheels.
Described bracing or strutting arrangement comprises bottom support frame, steering gear back up pad, many support bars, turns to executive system back up pad and angular transducer bracing frame; The both sides of described bottom support frame are connected with a cartwheel hinge respectively, and wheel can rotate around vertical center line; Steering gear back up pad is fixedly installed on the top of bottom support frame; Turn to executive system back up pad to be fixedly connected with steering gear back up pad by many support bars; Angular transducer bracing frame is fixedly installed on and turns in executive system back up pad; The shell body of angular transducer is fixed on angular transducer bracing frame.
Described steering gear comprises steering gear input shaft, steering gear output shaft, steering gear drag link, steering gear guide rod and steering gear housing; Described steering gear housing is fixedly installed in steering gear back up pad; Steering gear input shaft is arranged in the vertical arm arranging of steering gear housing and is connected by bearing with steering gear housing, and the top of steering gear input shaft is fixedly connected with one end of universal joint, and bottom is fixedly installed resistance worm gear and transmission gear successively; Described steering gear output shaft is arranged in the horizontally disposed arm of steering gear housing and is slidably connected with steering gear housing, and the middle part of steering gear output shaft is provided with teeth, teeth and transmission gear engagement; The two ends of steering gear output shaft are articulated and connected by one end of steering gear drag link and a steering gear guide rod respectively, and the other end of each steering gear guide rod is fixedly connected with a wheel.
Described resistance simulation system comprises resistance simulation motor and resistance simulation electric machine controller; On the output shaft of resistance simulation motor, be fixedly installed resistance worm screw, the resistance worm gear on resistance worm screw and steering gear input shaft is connected, and damping simulated machine is connected with an output terminal of ECU (Electrical Control Unit) by resistance simulation electric machine controller.
Described turn to executive system to comprise to turn to carry out transmission shaft, turn to actuating motor and turn to actuating motor controller; Described turn to the execution bottom of transmission shaft and the other end of universal joint are fixedly connected with; Turn to the middle part of carrying out transmission shaft to be fixedly installed transmission worm gear, top is fixedly connected with the inner rotator of angular transducer by shaft coupling, and the output terminal of angular transducer is connected with the input end of ECU (Electrical Control Unit); Turn to the output shaft end of actuating motor to be fixedly installed transmission worm screw, transmission worm screw is connected with turning to the transmission worm gear of carrying out on transmission shaft; Turn to actuating motor to be arranged on and turn in executive system back up pad, turn to actuating motor by turning to actuating motor controller to be connected with another output terminal of ECU (Electrical Control Unit).
The beneficial effects of the utility model:
1, the utility model records and turns to the turn signal of actuating motor to control the drag size of resistance simulation system and direction according to angular transducer, thereby simulates steering drag exactly.
2, the utility model can carry out the simulated resistance producing under more different control algolithms by changing resistance simulation systematic control algorithm in ECU (Electrical Control Unit), for different situations, determines desirable control algolithm.
3, the utility model adopts wheel image, vivo shows and turn to intention.
4, the utility model is simple in structure, easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is damping simulation system and the perspective view that turns to executive system in Fig. 1;
Fig. 3 is the transmission principle figure of steering gear and resistance simulation system in the utility model;
Fig. 4 is the transmission principle figure that turns to executive system in the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As depicted in figs. 1 and 2, automobile steering-by-wire resistance simulating test-bed comprises bracing or strutting arrangement 1, steering gear 2, universal joint 3, resistance simulation system, angular transducer 5, shaft coupling 6, ECU (Electrical Control Unit) 7, turns to executive system 8 and two wheels 9.
Bracing or strutting arrangement 1 comprises bottom support frame 1-1, steering gear back up pad 1-2, three support bar 1-3, turns to executive system back up pad 1-4 and angular transducer bracing frame 1-5; The both sides of bottom support frame 1-1 respectively with wheel 9 chain connections, wheel can rotate around vertical center line; Steering gear back up pad 1-2 is fixedly installed on the top of bottom support frame; Turn to executive system back up pad 1-4 to be fixedly connected with steering gear back up pad by three support bar 1-3; Angular transducer bracing frame 1-5 is fixedly installed on and turns in executive system back up pad; The shell body of angular transducer 5 is fixed on angular transducer bracing frame 1-5.
As shown in figures 1 and 3, steering gear 2 comprises steering gear input shaft 2-1, steering gear output shaft 2-2, steering gear drag link 2-3, steering gear guide rod 2-4 and steering gear housing 2-5; Steering gear housing 2-5 is fixedly installed on steering gear back up pad 1-2; Steering gear input shaft 2-1 is arranged in the vertical arm arranging of steering gear housing and is connected by bearing with steering gear housing, and the top of steering gear input shaft is fixedly connected with one end of universal joint 3, and bottom is fixedly installed resistance worm gear 2-6 and transmission gear 2-7 successively; Steering gear output shaft 2-2 is arranged in the horizontally disposed arm of steering gear housing and is slidably connected with steering gear housing, and the middle part of steering gear output shaft 2-2 is provided with teeth, teeth and transmission gear 2-7 engagement; The two ends of steering gear output shaft 2-2 are articulated and connected by one end of steering gear drag link 2-3 and a steering gear guide rod 2-4 respectively, and the other end of each steering gear guide rod 2-4 is fixedly connected with a wheel 9.
Resistance simulation system comprises resistance simulation motor 4-1 and resistance simulation electric machine controller 4-2; On the output shaft of resistance simulation motor, be fixedly installed resistance worm screw 4-3, resistance worm gear 2-6 on resistance worm screw and steering gear input shaft 2-1 is connected, and damping simulated machine 4-1 is connected with an output terminal of ECU (Electrical Control Unit) 7 by resistance simulation electric machine controller 4-2.
As shown in Figure 1 and Figure 4, turn to executive system 8 to comprise to turn to and carry out transmission shaft 8-1, turn to actuating motor 8-2 and turn to actuating motor controller 8-3; Turn to the bottom of carrying out transmission shaft 8-1 to be fixedly connected with the other end of universal joint 3; Turn to the middle part of carrying out transmission shaft 8-1 to be fixedly installed transmission worm gear 8-4, top is fixedly connected with the inner rotator of angular transducer 5 by shaft coupling 6, and the output terminal of angular transducer 5 is connected with the input end of ECU (Electrical Control Unit) 7; Turn to the output shaft end of actuating motor 8-2 to be fixedly installed transmission worm screw 8-5, transmission worm screw is connected with turning to the transmission worm gear 8-4 carrying out on transmission shaft; Turn to actuating motor 8-2 to be arranged on and turn to executive system back up pad 1-4 upper, turn to actuating motor by turning to actuating motor controller 8-3 to be connected with another output terminal of ECU (Electrical Control Unit) 7.
The course of work of automobile steering-by-wire resistance simulating test-bed is as follows:
Driver passes to ECU (Electrical Control Unit) 7 by steering wheel system by steering instructions signal, according to inner the execution after shift control algorithm is processed steering instructions signal of ECU (Electrical Control Unit) 7, steering order is passed to and turns to actuating motor controller 8-3, turn to actuating motor controller 8-3 to drive and turn to actuating motor 8-2 execution to turn to, after transmission worm gear 8-4 and transmission worm screw 8-5 deceleration, by turning to execution transmission shaft 8-1 to export, angular transducer 5 passes to ECU (Electrical Control Unit) 7 by the angle signal of carrying out transmission shaft 8-1 that turns to recording; Turn to execution transmission shaft 8-1, by universal joint 3, go to action is passed to steering gear input shaft 2-1, teeth engagement on transmission gear 2-7 on steering gear input shaft 2-1 and steering gear output shaft 2-2, rotatablely moving of steering gear input shaft 2-1 is converted to the rectilinear motion of steering gear output shaft 2-2, steering gear output shaft 2-2 drives steering gear drag link 2-3 motion, and steering gear drag link 2-3 pulls the steering gear guide rod 2-4 fixing with wheel to realize turning to of wheel.ECU (Electrical Control Unit) 7 receives the angle signal of angular transducer 5, according to turning to damping control algolithm, angle signal is processed, and produce antihunt signal and send to resistance simulation electric machine controller 4-2, resistance simulation electric machine controller 4-2 drives resistance simulation motor 4-1 to produce simulated resistance, by the resistance worm screw 4-3 on the output shaft of resistance simulation motor, coordinate with the resistance worm gear 2-6 on steering gear input shaft 2-1, simulated resistance is acted on steering gear input shaft 2-1 and realizes resistance simulation.
Claims (1)
1. automobile steering-by-wire resistance simulating test-bed, comprises bracing or strutting arrangement, steering gear, universal joint, resistance simulation system, angular transducer, shaft coupling, ECU (Electrical Control Unit), turns to executive system and two wheels, it is characterized in that:
Described bracing or strutting arrangement comprises bottom support frame, steering gear back up pad, many support bars, turns to executive system back up pad and angular transducer bracing frame; The both sides of described bottom support frame are connected with a cartwheel hinge respectively, and wheel can rotate around vertical center line; Steering gear back up pad is fixedly installed on the top of bottom support frame; Turn to executive system back up pad to be fixedly connected with steering gear back up pad by many support bars; Angular transducer bracing frame is fixedly installed on and turns in executive system back up pad; The shell body of angular transducer is fixed on angular transducer bracing frame;
Described steering gear comprises steering gear input shaft, steering gear output shaft, steering gear drag link, steering gear guide rod and steering gear housing; Described steering gear housing is fixedly installed in steering gear back up pad; Steering gear input shaft is arranged in the vertical arm arranging of steering gear housing and is connected by bearing with steering gear housing, and the top of steering gear input shaft is fixedly connected with one end of universal joint, and bottom is fixedly installed resistance worm gear and transmission gear successively; Described steering gear output shaft is arranged in the horizontally disposed arm of steering gear housing and is slidably connected with steering gear housing, and the middle part of steering gear output shaft is provided with teeth, teeth and transmission gear engagement; The two ends of steering gear output shaft are articulated and connected by one end of steering gear drag link and a steering gear guide rod respectively, and the other end of each steering gear guide rod is fixedly connected with a wheel;
Described resistance simulation system comprises resistance simulation motor and resistance simulation electric machine controller; On the output shaft of resistance simulation motor, be fixedly installed resistance worm screw, the resistance worm gear on resistance worm screw and steering gear input shaft is connected, and damping simulated machine is connected with an output terminal of ECU (Electrical Control Unit) by resistance simulation electric machine controller;
Described turn to executive system to comprise to turn to carry out transmission shaft, turn to actuating motor and turn to actuating motor controller; Described turn to the execution bottom of transmission shaft and the other end of universal joint are fixedly connected with; Turn to the middle part of carrying out transmission shaft to be fixedly installed transmission worm gear, top is fixedly connected with the inner rotator of angular transducer by shaft coupling, and the output terminal of angular transducer is connected with the input end of ECU (Electrical Control Unit); Turn to the output shaft end of actuating motor to be fixedly installed transmission worm screw, transmission worm screw is connected with turning to the transmission worm gear of carrying out on transmission shaft; Turn to actuating motor to be arranged on and turn in executive system back up pad, turn to actuating motor by turning to actuating motor controller to be connected with another output terminal of ECU (Electrical Control Unit).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390002.7U CN203414284U (en) | 2013-07-02 | 2013-07-02 | Automobile steer-by-wire resistance stimulation test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390002.7U CN203414284U (en) | 2013-07-02 | 2013-07-02 | Automobile steer-by-wire resistance stimulation test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203414284U true CN203414284U (en) | 2014-01-29 |
Family
ID=49977166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320390002.7U Expired - Fee Related CN203414284U (en) | 2013-07-02 | 2013-07-02 | Automobile steer-by-wire resistance stimulation test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203414284U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106598036A (en) * | 2017-01-26 | 2017-04-26 | 湖北汽车工业学院 | Hardware-in-loop test bench suitable for automobile steer-by-wire |
| CN113311264A (en) * | 2021-05-22 | 2021-08-27 | 秦皇岛东霖科技有限公司 | Automobile electronic steering gear maintenance test platform and use method thereof |
| CN113758732A (en) * | 2020-06-01 | 2021-12-07 | 蜂巢智能转向系统(江苏)有限公司保定分公司 | Electric power steering simulator and method for detecting electric power steering system |
-
2013
- 2013-07-02 CN CN201320390002.7U patent/CN203414284U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106598036A (en) * | 2017-01-26 | 2017-04-26 | 湖北汽车工业学院 | Hardware-in-loop test bench suitable for automobile steer-by-wire |
| CN113758732A (en) * | 2020-06-01 | 2021-12-07 | 蜂巢智能转向系统(江苏)有限公司保定分公司 | Electric power steering simulator and method for detecting electric power steering system |
| CN113311264A (en) * | 2021-05-22 | 2021-08-27 | 秦皇岛东霖科技有限公司 | Automobile electronic steering gear maintenance test platform and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10801924B2 (en) | Comprehensive performance test system for automated driving vehicles | |
| CN105606382B (en) | A kind of electric servo steering system test platform and method of testing | |
| CN106598036A (en) | Hardware-in-loop test bench suitable for automobile steer-by-wire | |
| CN201594043U (en) | Performance testing platform of electric power steering system | |
| CN102636357B (en) | Test bed for steering system of electro-hydraulic servo automobile | |
| CN103353404B (en) | Test bed for simulating steer-by-wire road-surface resistance force of automobile | |
| CN203414284U (en) | Automobile steer-by-wire resistance stimulation test bench | |
| CN106248406A (en) | Commercial car novel electric hydraulic steering system simulator stand | |
| CN102176291B (en) | Steering wheel road feel simulating device with adjustable rotating angle range | |
| CN111204371B (en) | Automobile steer-by-wire road feel simulation device and control method thereof | |
| CN206399671U (en) | A kind of automobile steering-by-wire road resistance simulated experiment platform | |
| CN105277375A (en) | Electric wheel comprehensive performance test bench | |
| CN203745211U (en) | Steering system test bench | |
| CN103323257A (en) | Static testing device of electronic parking braking system | |
| CN103838232A (en) | Multi-ECU coordination control test bed of automobile chassis | |
| Gao et al. | Dynamic modeling and steering performance analysis of active front steering system | |
| CN203869881U (en) | Tractor electronic hydraulic steering experimental platform | |
| CN107290159A (en) | A kind of automotive electronics brakes simulation system | |
| CN203414285U (en) | Automobile steer-by-wire simulation test bench road sense stimulation apparatus | |
| CN206400349U (en) | A kind of hardware-in-the-loop test platform suitable for automobile steering-by-wire | |
| CN101696909B (en) | Performance test control system for automobile steering system | |
| CN210981808U (en) | Steering shaft power-assisted automobile electric power steering system test bed | |
| CN206179296U (en) | Simulator platform that can infinitely rotate | |
| CN101865777A (en) | Resistance simulation device for wire-control steering test bed of automobile | |
| CN105445016A (en) | Vehicle control mechanism durability test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20150702 |
|
| EXPY | Termination of patent right or utility model |