CN210981808U - Steering shaft power-assisted automobile electric power steering system test bed - Google Patents
Steering shaft power-assisted automobile electric power steering system test bed Download PDFInfo
- Publication number
- CN210981808U CN210981808U CN201922148644.6U CN201922148644U CN210981808U CN 210981808 U CN210981808 U CN 210981808U CN 201922148644 U CN201922148644 U CN 201922148644U CN 210981808 U CN210981808 U CN 210981808U
- Authority
- CN
- China
- Prior art keywords
- steering
- electric power
- assisted
- steering system
- test
- 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
- Power Steering Mechanism (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The utility model discloses a steering spindle helping hand formula car electric power assisted steering system test bench, including car a steering system and test system, test system including be used for simulating vehicle speed signal or turn to the analogue means of resistance, be used for measuring the parameter measurement device who turns to the parameter, be used for gathering the data acquisition device and the data processing system who turns to the parameter. The test bed of the steering shaft power-assisted automobile electric power-assisted steering system can simulate the actual running condition of an automobile road, can visually display the operation torque and the rotation angle of a driver on a steering wheel, and can calculate and process data collected by a sensor through a data processing system configured on the test bed. The test bed can help relevant practitioners to fully know the working principle of the automobile electric power steering system, know the basic structure and the power-assisted characteristics of the automobile electric power steering system, know the steering power-assisted control strategy of the automobile electric power steering system and deepen understanding and mastering of the automobile electric power steering system.
Description
Technical Field
The utility model relates to an automobile test detection area especially relates to a steering spindle helping hand formula car electric power assisted steering system test bench.
Background
The steering stability of the automobile refers to the ability of the automobile to follow the direction given by the driver through the steering system and the steering wheels without the driver feeling excessive strain and fatigue, and to keep stable driving against disturbance when encountering external disturbance. Therefore, the driving stability of the vehicle is a main safety performance of the vehicle, and determines the stability and safety of the vehicle in high-speed driving and the portability of the vehicle in low-speed driving. The guarantee of the automobile steering stability is mainly determined by the design of an automobile steering system, including a steering transmission mechanism and a steering boosting characteristic.
The electric power steering system has made great progress from production to the present through application and development for decades. Nowadays, the electric power steering system is adopted in large scale abroad, the application range of the electric power steering system is further widened, the electric power steering system is taken as a standard component to be equipped on an automobile, and the electric power steering system is taken a leading position in the field of power steering. The electric power steering system is one of key parts of an automobile, the quality of the electric power steering system has important influence on the steering performance of the automobile, and the understanding of the structural composition and the functional principle of the electric power steering system has important theoretical and practical significance for automobile maintenance practitioners and automobile professional students. However, it is difficult to perform function display and parameter measurement of the electric power steering system in a real vehicle.
Disclosure of Invention
The utility model aims at providing a steering spindle helping hand formula car electric power assisted steering system test bench to being difficult to carry out electric power assisted steering system's function show and parameter measurement on the real car.
For realizing the utility model discloses a technical scheme that the purpose adopted is:
the utility model provides a steering spindle helping hand formula car electric power assisted steering system test bench, includes car a steering system and test system, test system is including the speed analog signal generator that is used for simulating speed of a motor vehicle signal, the simulation loading device that is used for simulating the resistance that turns to, the parameter measurement device that is used for measuring the parameter that turns to, the data acquisition device and the data processing system that are used for gathering the parameter that turns to, speed analog signal generator with the electronic control unit ECU communication among the car a steering system is connected and is produced the pulse signal of simulating speed of a motor vehicle signal, data acquisition device's input with parameter measurement device communication is connected, the output with the data processing system communication is connected.
In the technical scheme, the automobile steering system comprises a steering wheel for inputting steering force, a steering shaft connected with the steering wheel and conducting the steering force, a rack-and-pinion steering gear for converting the steering force in the vertical direction conducted by the steering shaft into the steering force in the horizontal direction, and two wheels which are respectively arranged on two sides of the rack-and-pinion steering gear and used for steering;
the steering shaft is provided with a speed reducing mechanism, the speed reducing mechanism is connected with an assisting motor through an electromagnetic clutch, and the assisting motor applies motor assisting torque T to the steering shaftm；
The gear rack steering gear is connected with each wheel through a steering rack, a steering tie rod, a trapezoidal arm, a steering main pin and a steering knuckle in sequence.
In the technical scheme, the steering shaft is arranged between the steering wheel and the speed reducing mechanism and used for measuring the input torque T of the driverhThe torque rotation angle sensor of (1).
In the above technical solution, the assist motor is electrically connected to an electronic control unit ECU that controls the assist motor to output a motor assist torqueTmThe size of (2).
In the technical scheme, the simulation loading device comprises a loading spring, a spring seat plate and an adjusting mechanism for adjusting the position of the spring seat plate, two ends of the loading spring are respectively fixed on a wheel and the spring seat plate of the automobile steering system, and the pretightening force of the loading spring relative to the wheel is adjusted by horizontally moving the position of the spring seat plate leftwards and rightwards.
In the above technical solution, the analog loading devices are two groups, and are respectively installed at the outer sides of the two wheels.
In the above technical solution, the parameter measuring device includes a steering shaft installed between a reduction gear and a rack and pinion steering gear in a steering system of an automobile for measuring an input torque T of the steering gearrAnd a torque sensor mounted on the steering rack for measuring the output thrust F of the rack end of the steering gearrThe tension and compression sensor.
In the technical scheme, the model of the torque sensor is JN388, and the model of the pull-press sensor is EVT-14C 1.
In the above technical solution, the parameter measuring device further includes a steering wheel force angle measuring instrument mounted on the steering wheel.
In the above technical solution, the data acquisition device is a USB3210 high-speed data acquisition card.
The test method of the test bed of the steering shaft assisted automobile electric power steering system comprises the following steps:
step 1: the speed simulation signal generator simulates and generates a speed signal of the automobile running on the road and transmits the speed signal to the electronic control unit ECU, and the electronic control unit ECU controls the motor power-assisted torque T output by the power-assisted motor according to the received speed signalmThe size of (d);
step 2: according to a speed signal generated by the speed analog signal generator in an analog mode, the steering resistance of the automobile in road running at the speed is provided in an analog mode through an analog loading device;
and step 3: a driver applies operating force to a steering wheel to realize steering of an automobile steering system;
and 4, step 4: torque angle sensor for measuring driver input torque ThMeasuring steering gear input torque T by torque sensorrMeasuring the output thrust F of the rack end of the steering gearr；
And 5: the data acquisition device acquires the steering parameters measured in the step 4 and transmits the steering parameters to the data processing system;
step 6: and the data processing system performs data analysis on the received steering parameters.
In the above technical solution, in step 6, the data analysis includes:
calculating the steering resistance moment M of the automobile steering power-assisted systemr，Mr＝Fr× R, where R is the distance from the steering rack (11) to the yaw axis of the kingpin wheel (9);
and/or calculating the road feel intensity E, E-T of the automobile steering power-assisted systemh/Fr；
And/or calculating the motor-assisted torque T of the steering assistance system of the motor vehiclem，Tm＝Tr-Th；
And/or repeating the steps 1-5 to calculate the motor power-assisted torque T of the automobile steering power-assisted system at different vehicle speeds VmDrawing Tm-a V-steering assist characteristic curve.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a steering spindle helping hand formula car electric power assisted steering system test bench can simulate the actual conditions that the motorway traveled, can the visual display driver to the steering torque and the corner size of steering wheel, can calculate the processing to the data that the sensor gathered through the data processing system of test bench configuration. The test bed can help relevant practitioners to fully know the working principle of the automobile electric power steering system, know the basic structure and the power-assisted characteristics of the automobile electric power steering system, know the steering power-assisted control strategy of the automobile electric power steering system and deepen understanding and mastering of the automobile electric power steering system.
Drawings
Fig. 1 is a schematic structural diagram of a test stand of an electric power steering system of a steering shaft assisted vehicle.
Fig. 2 shows a power-assisted characteristic curve of a vehicle speed sensing type electric power steering system.
In the figure: 1-steering wheel force angle measuring instrument; 2-a steering wheel; 3-torque angle of rotation sensor; 4-a booster motor; 5-a steering shaft; 6-an electromagnetic clutch; 7-a speed reducing mechanism; 8-a torque sensor; 9-vehicle wheels; 10-trapezoidal arms; 11-a steering rack; 12-a rack and pinion steering gear; 13-a tension and compression sensor; 14-tie rods; 15-kingpin; 16-a knuckle; 17-a loading spring; 18-spring seat plate; 19-a data acquisition device; 20-a data processing system; 21-electronic control unit ECU; 22-speed analog signal generator.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The utility model provides a steering spindle helping hand formula car electric power assisted steering system test bench, includes car a steering system and test system, test system is including the speed analog signal generator 22 (model UTG962) that is used for simulating the speed signal, the simulation loading device that is used for simulating the steering resistance, the parameter measurement device that is used for measuring the parameter that turns to, the data acquisition device 19 and the data processing system 20 that are used for gathering the parameter that turn to, speed analog signal generator 22 with the pulse signal of electronic control unit ECU21 communication connection and production simulation speed signal among the car a steering system, the input of data acquisition device with the parameter measurement device communication is connected, the output with data processing system 20 communication connection.
In this embodiment, the automobile steering system is a purchased toyota koala automobile integral steering system, and comprises a steering wheel 2 for inputting a steering force, a steering shaft 5 connected with the steering wheel 2 and conducting the steering force, a rack-and-pinion steering gear 12 for converting the steering force in the vertical direction conducted by the steering shaft 5 into the steering force in the horizontal direction, and two wheels 9 respectively arranged on two sides of the rack-and-pinion steering gear 12 and used for steering;
a speed reduction mechanism 7 is mounted on the steering shaft 5, the speed reduction mechanism 7 is connected with an assist motor 4 through an electromagnetic clutch 6, and the assist motor 4 applies a motor assist torque T to the steering shaft 5m；
The rack-and-pinion steering gear 12 is connected with each wheel 9 through a steering rack 11, a tie rod 14, a trapezoidal arm 10, a steering main pin 15 and a steering knuckle 16 in sequence.
The steering shaft 5 is arranged between the steering wheel 2 and the speed reducing mechanism 7 and used for measuring the input torque T of the driverhThe torque rotation angle sensor 3.
The power-assisted motor 4 is electrically connected with an electronic control unit ECU21, control logic and control algorithm software of an original vehicle electric power-assisted steering system are embedded in the electronic control unit ECU21, and the electronic control unit ECU21 controls the power-assisted motor 4 to output motor power-assisted torque TmThe size of (2).
In the above-described automobile steering system, a driver applies a steering force via the steering wheel 2 and transmits the steering force to the rack-and-pinion steering gear 12 via the steering shaft 5, and a tie rod 14, a trapezoidal arm 10, a kingpin 15, and a knuckle 16 are connected in this order to both sides of a steering rack 11 in the rack-and-pinion steering gear 12, thereby controlling the steering of the wheels 9. Wherein a speed reducing mechanism 7 is mounted on the steering shaft 5, the speed reducing mechanism 7 is connected with the power-assisted motor 4 through an electromagnetic clutch 6, and the power-assisted motor 4 simultaneously applies motor power-assisted torque T to the steering shaft 5m。
The test bed is additionally provided with a simulation device, a parameter measurement device, a data acquisition device and a data processing system 20 on the basis of the Toyota Ka roller automobile integral steering system. The simulation device simulates a vehicle speed signal in road running of the vehicle to meet the requirement of the electronic control unit ECU21 on vehicle speed input parameters on one hand, and simulates different steering resistance in road running of the vehicle under different vehicle speeds on the other hand. The parameter measuring device is combined with the torque and corner sensor 3 to measure the steering parameters, and the data acquisition device transmits the acquired steering parameters to the data processing system 20 to perform data processing and display on the steering parameters.
The test bed can describe or show the structure, principle and function of the most common steering shaft boosting type electric power steering system on an automobile in detail, and can realize the input torque T of a driver when the automobile is at different speeds and steering wheel cornershSteering assisting torque, steering resisting torque MrThe road feel strength E, the power-assisted characteristic parameters and other real-time data are measured and read, so that automobile repair learners can quickly understand the working principle of the electric power-assisted steering system, and the automobile repair learners are familiar with the basic structure of the electric power-assisted steering system, so that the learners can more intuitively understand and master the electric power-assisted steering system.
Example 2
This embodiment is described based on embodiment 1.
Specifically, the two analog loading devices are respectively installed on the outer sides of the two wheels 9, each analog loading device comprises a loading spring 17, a spring seat plate 18 and an adjusting mechanism for adjusting the position of the spring seat plate 18, two ends of the loading spring 17 are respectively fixed on the wheels 9 and the spring seat plate 18 of the automobile steering system, and the pretightening force of the loading spring 17 relative to the wheels 9 is adjusted by horizontally moving the position of the spring seat plate 18 left and right to be equivalent to steering resistance.
Specifically, the parameter measuring device comprises a device which is arranged on a steering shaft 5 between a speed reducing mechanism 7 and a rack and pinion steering gear 12 in a steering system of an automobile and is used for measuring input torque T of the steering gearrAnd a torque sensor 8 (model JN388) mounted on the steering rack 11 for measuring the output thrust F of the rack end of the steering gearrAnd a pull/press sensor 13 (model EVT-14C 1).
Preferably, the parameter measuring device further includes a steering wheel force angle measuring instrument 1 mounted on the steering wheel 2, and the steering wheel force angle measuring instrument 1 is configured to measure the steering force and the steering wheel angle of the steering wheel 2 by the driver. The steering wheel force angle measuring instrument 1 is an NE-TAV8350 steering wheel force angle measuring instrument which can measure and visually display the operation force of a driver on a steering wheel and the steering wheel angle to a detector.
In particular toIn other words, the data acquisition device is a USB3210 high-speed data acquisition card and is used for acquiring steering parameters, and the steering parameters comprise the input torque T of the driverhSteering gear input torque TrAnd the rack end output thrust F of the steering gearr. In which the driver inputs torque ThIs measured by the torque angle sensor 3.
Example 3
This embodiment is a description of the data processing method based on embodiments 1 and 2.
The test method of the test bed of the steering shaft assisted automobile electric power steering system comprises the following steps:
step 1: the speed simulation signal generator 22 simulates and generates a vehicle speed signal for road running of the vehicle and transmits the vehicle speed signal to the electronic control unit ECU21, and the electronic control unit ECU21 controls the motor assist torque T output from the assist motor 4 according to the received vehicle speed signalmThe size of (d);
step 2: according to the speed signal generated by the speed simulation signal generator 22, the steering resistance of the automobile in road running at the speed is simulated and provided by the simulation loading device;
and step 3: the driver applies operating force to the steering wheel 2 to realize the steering of the automobile steering system;
and 4, step 4: torque rotation angle sensor 3 measures driver input torque Th，The torque sensor 8 measures the steering gear input torque TrMeasuring the output thrust F of the rack end of the steering gearr；
And 5: the data acquisition device 19 acquires the steering parameters measured in the step 4 and transmits the steering parameters to the data processing system 20;
step 6: the data processing system 20 performs data analysis and display on the received steering parameters.
The input torque T of the driver can be acquired by a USB3210 high-speed data acquisition cardhSteering gear input torque Tr，(Tr＝Th+ Tm，TmFor motor assist torque) and the output thrust F of the rack end of the steering gearrData processing and display system 20According to the measured data, the steering resistance torque M of the automobile steering power-assisted system can be calculatedrRoad feel strength, power assisting characteristic parameters and curves.
(1) Steering moment test
The output thrust Fr of the rack end of the steering gear can be measured by the arranged tension and compression sensor 13, then the distance R from the steering rack 11 to the deflection axis of the steering main pin wheel 9 is measured, and as shown in figure 1, the steering resistance moment M in the running process of the vehicle can be calculated by the formula 1r。
Mr＝Fr×R (1)
(2) Road feel strength test
The road feel is a direct feel of the road surface condition and the change in resistance obtained by the steering gear when the driver performs a steering operation. According to the definition of Wang Tong Su's master edition and teaching materials of automobile design, the road feel intensity E is the moment acting on the steering wheel at the same time (i.e. the input torque T of the driver)h) Is increased by an amount corresponding to the output force of the steering gear (i.e., the rack-end output thrust F of the steering gear)r) The ratio of the increments, see equation 2:
E＝△Th/△Fr(2)
△ T in the following formula 2 can be measured by the torque angle sensor 3 and the tension and compression sensor 13 under different vehicle speeds and different driver operation conditionshAnd △ FrThe measured data enter the data processing and display system 20 through the data acquisition device 19, calculate the road feel intensity E, and display the result on the display screen.
(3) Steering assist characteristic test
The steering assist characteristic is determined by a control strategy of the electronic control unit ECU21 in the electric power steering system EPS, and the electronic control unit ECU21 uses the received driver input torque ThAnd the information of the vehicle speed V, and the power-assisted action is finished by outputting a power-assisted motor current magnitude instruction through a control algorithm.
By looking up the data, the power-assisted characteristic of the card roller EPS system is of a vehicle speed sensing type, namely, the power-assisted characteristic curve is changed along with the change of the running speed of the vehicleElectric motor assisting torque TmBoth as a function of the torque acting on the steering wheel 2 and as a function of the vehicle speed V are shown in fig. 2. When the vehicle speed V is 0, the vehicle is equivalent to the in-situ steering of the vehicle, the power-assisted characteristic curve is positioned above other curves, and the power-assisted torque T of the motormTo a maximum. Along with the continuous rise of the vehicle speed V, the position of the power-assisted characteristic curve is gradually reduced until the vehicle speed V reaches the maximum vehicle speed VmaxSo far, the motor assisting torque T at this timemAnd minimum.
The torque relationship of the electric power-assisted system of the automobile can obtain:
Tm＝Tr-T h3
in formula 3: t ism-assisting the motor with a torque;
Th-inputting a torque for the driver;
Tr-inputting a torque for the steering gear.
According to the relation of the formula 3, only different driver input torques T at different vehicle speeds V are measuredhLower steering gear input torque TrThen the motor power-assisted torque T can be calculatedmAnd finally drawing a steering power-assisted characteristic curve.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a steering spindle helping hand formula car electric power assisted steering system test bench, a serial communication port, including car a steering system and test system, test system is including speed analog signal generator (22) that is used for simulating speed signal, the simulation loading device that is used for simulating steering resistance, the parameter measurement device that is used for measuring the parameter that turns to, data acquisition device (19) and data processing system (20) that are used for gathering the parameter that turns to, speed analog signal generator (22) with electronic control unit ECU (21) communication among the car a steering system is connected and is produced the pulse signal of simulating speed signal, data acquisition device's input with parameter measurement device communication is connected, the output with data processing system (20) communication is connected.
2. The steering shaft assisted vehicle electric power steering system test bench according to claim 1, wherein the vehicle steering system comprises a steering wheel (2) for inputting steering force, a steering shaft (5) connected with the steering wheel (2) and conducting the steering force, a rack and pinion steering gear (12) for converting the vertical steering force conducted by the steering shaft (5) into horizontal steering force, and two wheels (9) respectively arranged on two sides of the rack and pinion steering gear (12) for steering;
the steering mechanism is characterized in that a speed reducing mechanism (7) is mounted on the steering shaft (5), the speed reducing mechanism (7) is connected with an assisting motor (4) through an electromagnetic clutch (6), and the assisting motor (4) applies motor assisting torque T to the steering shaft (5)m；
The gear rack steering gear (12) is connected with each wheel (9) through a steering rack (11), a steering tie rod (14), a trapezoidal arm (10), a steering main pin (15) and a steering knuckle (16) in sequence.
3. The test bed of the steering shaft assisted vehicle electric power steering system according to claim 2, characterized in that a device for measuring the driver input torque T is installed on the steering shaft (5) between the steering wheel (2) and the speed reduction mechanism (7)hThe torque rotation angle sensor (3).
4. The steering shaft assisted vehicle electric power steering system test bench according to claim 3, wherein the assist motor (4) is electrically connected to an electronic control unit ECU (21), and the electronic control unit ECU (21) controls the assist motor (4) to output a motor assist torque TmThe size of (2).
5. The test bed of the steering shaft assisted automobile electric power steering system according to claim 4, wherein the analog loading device comprises a loading spring (17), a spring seat plate (18) and an adjusting mechanism for adjusting the position of the spring seat plate (18), two ends of the loading spring (17) are respectively fixed on a wheel (9) and the spring seat plate (18) of the automobile steering system, and the pretightening force of the loading spring (17) relative to the wheel (9) is adjusted by horizontally moving the position of the spring seat plate (18) left and right.
6. The test bed of the steering shaft assisted vehicle electric power steering system according to claim 5, wherein the analog loading devices are two groups and are respectively installed at the outer sides of the two wheels (9).
7. The test stand for a steering shaft-assisted electric power steering system of an automobile according to claim 5, wherein the parameter measuring device comprises a device for measuring the steering gear input torque T installed on the steering shaft (5) between the reduction gear (7) and the rack and pinion steering gear (12) in the automobile steering systemrAnd a torque sensor (8) mounted on the steering rack (11) for measuring the rack end of the steering gearOutput thrust FrThe tension and compression sensor (13).
8. The test stand of the steering shaft assisted vehicle electric power steering system according to claim 7, wherein the type of the torque sensor (8) is JN388, and the type of the pull pressure sensor (13) is EVT-14C 1.
9. The test stand of claim 7, wherein the parameter measuring device further comprises a steering wheel force angle measuring instrument (1) mounted on the steering wheel (2).
10. The test bed of the steering shaft assisted vehicle electric power steering system according to claim 9, wherein the data acquisition device (19) is a USB3210 high-speed data acquisition card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922148644.6U CN210981808U (en) | 2019-12-04 | 2019-12-04 | Steering shaft power-assisted automobile electric power steering system test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922148644.6U CN210981808U (en) | 2019-12-04 | 2019-12-04 | Steering shaft power-assisted automobile electric power steering system test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210981808U true CN210981808U (en) | 2020-07-10 |
Family
ID=71455244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922148644.6U Expired - Fee Related CN210981808U (en) | 2019-12-04 | 2019-12-04 | Steering shaft power-assisted automobile electric power steering system test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210981808U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116183253A (en) * | 2023-04-23 | 2023-05-30 | 江西行新汽车科技股份有限公司 | Steering test method and steering test system for steering wheel |
-
2019
- 2019-12-04 CN CN201922148644.6U patent/CN210981808U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116183253A (en) * | 2023-04-23 | 2023-05-30 | 江西行新汽车科技股份有限公司 | Steering test method and steering test system for steering wheel |
| CN116183253B (en) * | 2023-04-23 | 2023-06-30 | 江西行新汽车科技股份有限公司 | Steering test method and steering test system for steering wheel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105606382B (en) | A kind of electric servo steering system test platform and method of testing | |
| Lee et al. | Development of a hardware in the loop simulation system for electric power steering in vehicles | |
| CN107727417B (en) | Hardware-in-loop simulation test platform for man-machine co-driving steering system | |
| CN210981808U (en) | Steering shaft power-assisted automobile electric power steering system test bed | |
| CN103487265B (en) | Automobile power steering system research and development and performance detecting platform | |
| DE102009034077B4 (en) | Steering angle sensor and vehicle system with such a steering angle sensor | |
| CN105083373A (en) | Steering-by-wire feeling device based on parameter estimation and control method thereof | |
| CN103587576A (en) | Power-driven automobile steering-by-wire system and control method | |
| CN101393081A (en) | Electric power-assisted steering test stand | |
| CN202024896U (en) | Closed-loop analogue means of automobile turning system resistance moment | |
| CN105894889B (en) | A kind of multidimensional adjustable automobile handling maneuver simulation and the what comes into a driver's control method of test system | |
| CN201163239Y (en) | Electric power-assisted steering testing bench | |
| CN102200488B (en) | Experimental device and method for electric power steering test of automobile | |
| CN114454950A (en) | Dual-motor steer-by-wire system and fault-tolerant control method thereof | |
| CN206399671U (en) | A kind of automobile steering-by-wire road resistance simulated experiment platform | |
| CN201946212U (en) | Control experiment table for automobile four-wheel steering system | |
| CN203502239U (en) | Researching, developing and performance-testing platform for automobile power steering system | |
| CN112903321A (en) | Test bed and test method for steering shaft assisted automobile electric power steering system | |
| CN101696909B (en) | Performance test control system for automobile steering system | |
| CN107226130B (en) | Electric power steering system and steering experiment simulation system thereof | |
| CN103353404B (en) | Test bed for simulating steer-by-wire road-surface resistance force of automobile | |
| CN207675450U (en) | A kind of electric power-assisted steering test stand | |
| CN206400349U (en) | A kind of hardware-in-the-loop test platform suitable for automobile steering-by-wire | |
| CN202182827U (en) | Experimental table for testing of electrically power-assisted steering of automobile | |
| Zheng et al. | 04Road Feel Feedback Design for Vehicle Steer-by-Wire via Electric Power Steering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 Termination date: 20201204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |