CN108657264B - Road feel moment simulation mechanism and car - Google Patents
Road feel moment simulation mechanism and car Download PDFInfo
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- CN108657264B CN108657264B CN201810476421.XA CN201810476421A CN108657264B CN 108657264 B CN108657264 B CN 108657264B CN 201810476421 A CN201810476421 A CN 201810476421A CN 108657264 B CN108657264 B CN 108657264B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 238000004088 simulation Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 117
- 230000009471 action Effects 0.000 claims abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/001—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup
- B62D5/005—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup means for generating torque on steering wheel or input member, e.g. feedback
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The invention provides a road feel moment simulation mechanism and a vehicle, and relates to the field of automobiles. The road sensing moment simulation mechanism comprises a transmission assembly, a torsion bar, an angle sensor, a controller and a feedback assembly, wherein one end of the transmission assembly is used for being connected with the steering column and transmitting the torque of the steering column; the torsion bar is connected with the transmission component and is used for deforming under the action of torque; the angle sensor is connected with the torsion bar and is used for detecting the deformation angle of the torsion bar; the controller is connected with the angle sensor and the feedback assembly and is used for controlling the feedback assembly to generate reverse torque matched with the torque according to the deformation angle; the feedback assembly is coupled to the transmission assembly for transmitting a reverse torque through the transmission assembly to the steering column. The road feel moment simulation mechanism provided by the invention can simulate the road feel feedback of the vehicle, so that a driver needs to overcome reverse torque when operating, the input of the driver can be accurately perceived, the road feel suitable for the vehicle can be provided, and the experience of the driver is improved.
Description
Technical Field
The invention relates to the field of vehicles, in particular to a road feel moment simulation mechanism and a vehicle.
Background
The conventional steering system (mechanical, hydraulic and electric power steering systems) ensures that the automobile runs according to the intention of the driver, but because the steering transmission ratio is fixed, the response characteristic of the automobile changes along with the speed and the steering wheel angle, and the driver must compensate along with the changed characteristic, so that the automobile can run according to the intention under different working conditions. However, this affects the steering stability and the driving comfort of the vehicle. Thus, steer-by-wire systems have evolved. The steer-by-wire system can freely design the force transmission characteristic and the angle transmission characteristic of the steering system, and brings great development space for the design of the steering characteristic of the automobile. In a steering-by-wire system of an automobile, components of a conventional steering system, such as a steering column, an intermediate shaft, a pump, etc., are eliminated. The mechanical connection between the steering operation mechanism and the steering actuator is replaced by various electro-mechanical actuators. This allows the vehicle to control the wheels and steering wheel via the electrical signals of the electrical drive system. In the steer-by-wire system, a steering operation mechanism and a specific steering executing mechanism of a driver are separated, so that the road feel of the whole vehicle cannot be transmitted to the hands of the driver.
Disclosure of Invention
The invention aims to provide a road feel moment simulation mechanism which can improve the experience of a driver.
The invention aims to provide a vehicle, which can improve the experience of a driver.
The invention provides a technical scheme that:
a road sensing moment simulation mechanism comprises a transmission component, a torsion bar, an angle sensor, a controller and a feedback component,
One end of the transmission component is used for being connected with a steering column and transmitting the torque of the steering column;
The torsion bar is connected with the transmission assembly and is used for deforming under the action of the torque;
the angle sensor is connected with the torsion bar and is used for detecting the deformation angle of the torsion bar;
the controller is connected with the angle sensor and the feedback component and is used for controlling the feedback component to generate reverse torque matched with the torque according to the deformation angle;
The feedback assembly is coupled to the transmission assembly for transmitting the reverse torque through the transmission assembly to the steering column.
Further, in a preferred embodiment of the present invention, the feedback assembly includes a driving member and a feedback member;
the controller is connected with the driving piece and used for controlling the driving piece to generate reverse torque matched with the torque according to the deformation angle;
The feedback piece is connected with the driving piece and the transmission assembly, and is used for rotating according to the reverse torque and transmitting the reverse torque to the transmission assembly.
Further, in a preferred embodiment of the present invention, the feedback member includes a first transmission member and a second transmission member, the first transmission member is connected to the transmission assembly, the second transmission member is connected to the driving member, and the first transmission member is matched with the second transmission member.
Further, in a preferred embodiment of the present invention, the transmission assembly includes a first transmission shaft and a second transmission shaft, and the first transmission shaft and the second transmission shaft are connected through a torsion bar.
Further, in a preferred embodiment of the present invention, the transmission assembly further includes a support base, the support base is connected to the second transmission shaft, and a groove is provided on the support base, for installing the angle sensor.
Further, in a preferred embodiment of the present invention, the road sensing moment simulation mechanism further includes a limiting component, and the limiting component is connected with the transmission component and used for rotating angle of the transmission component.
Further, in a preferred embodiment of the present invention, the limiting component includes a limiting member, a first limiting plate and a second limiting plate, the limiting member is connected with the transmission component, the first limiting plate and the second limiting plate are respectively disposed at two ends of the limiting member, and the limiting member rotatably slides relative to the transmission component to selectively abut against the first limiting plate or the second limiting plate.
Further, in a preferred embodiment of the present invention, the limiting member includes a third rotating shaft and a limiting block, the third rotating shaft is connected to the transmission assembly, and the limiting block is matched with the third rotating shaft and can rotationally slide relative to the third rotating shaft.
Further, in a preferred embodiment of the present invention, the road sensing moment simulation mechanism further includes a housing, and the transmission assembly, the torsion bar, the angle sensor, the controller and the feedback assembly are disposed in the housing;
The shell comprises a first end cover, a first shell, a second shell, a third shell and a second end cover, wherein the first end cover, the first shell, the second shell, the third shell and the second end cover are sequentially connected.
A vehicle comprises a road sensing moment simulation mechanism, wherein the road sensing moment simulation mechanism comprises a transmission component, a torsion bar, an angle sensor, a controller and a feedback component,
One end of the transmission component is used for being connected with a steering column and transmitting the torque of the steering column;
The torsion bar is connected with the transmission assembly and is used for deforming under the action of the torque;
the angle sensor is connected with the torsion bar and is used for detecting the deformation angle of the torsion bar;
the controller is connected with the angle sensor and the feedback component and is used for controlling the feedback component to generate reverse torque matched with the torque according to the deformation angle;
The feedback assembly is coupled to the transmission assembly for transmitting the reverse torque through the transmission assembly to the steering column.
The road feel moment simulation mechanism and the vehicle provided by the invention have the beneficial effects that: in the invention, the road-sensing moment simulation mechanism comprises a transmission component, a torsion bar, an angle sensor, a controller and a feedback component, wherein one end of the transmission component is used for being connected with a steering column and transmitting the torque of the steering column; the torsion bar is connected with the transmission component and is used for deforming under the action of torque; the angle sensor is connected with the torsion bar and is used for detecting the deformation angle of the torsion bar; the controller is connected with the angle sensor and the feedback assembly and is used for controlling the feedback assembly to generate reverse torque matched with the torque according to the deformation angle; the feedback assembly is coupled to the transmission assembly for transmitting a reverse torque through the transmission assembly to the steering column.
According to the invention, the angle sensor detects the deformation angle of the torsion bar, the controller controls the feedback assembly to generate reverse torque with matched torque according to the deformation angle, and the reverse torque is fed back to the steering column through the transmission assembly, so that the feedback of road feel is simulated, the reverse torque is needed to be overcome when a driver operates, the input of the driver can be accurately perceived, road feel suitable for the vehicle can be provided, and the experience feel of the driver is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a road feel moment simulation mechanism according to an embodiment of the present invention.
Fig. 2 is a block diagram of a road feel moment simulation mechanism according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a housing of a road feel moment simulation mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a feedback component of a road feel moment simulation mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a limiting member of a limiting assembly of a road feel moment simulation mechanism according to an embodiment of the present invention.
Icon: 100-road feel moment simulation mechanism; 110-a feedback component; 112-a driver; 114-a feedback member; 1142-a first transmission member; 1144-a second transmission member; 120-a transmission assembly; 122-a first drive shaft; 124-a second drive shaft; 126-a support base; 128-grooves; 130-torsion bar; 140-an angle sensor; 150-a controller; 160-a housing; 162-first end cap; 164-a first housing; 166-a second housing; 168-a third housing; 169-a second end cap; 170-a limiting assembly; 172-limiting pieces; 1722-a third axis of rotation; 1724-stopper; 174-a first limiting plate; 176-a second limiting plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on those shown in the drawings, or those conventionally put in place when the inventive product is used, or those conventionally understood by those skilled in the art, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1 and 2, the present embodiment provides a road feel moment simulation mechanism 100, and the road feel moment simulation mechanism 100 provided in the present embodiment can improve the experience of the driver.
In this embodiment, the driver cannot directly obtain the road feel of the vehicle when driving, and the road feel moment simulation mechanism 100 provided in this embodiment can provide simulated road feel feedback for the driver, so that the driver can sense the condition of the road surface.
In the present embodiment, the driver operates the road feel torque simulation mechanism 100 through the steering column.
In this embodiment, the road-sensing moment simulation mechanism 100 includes a transmission assembly 120, a torsion bar 130, an angle sensor 140, a controller 150 and a feedback assembly 110,
One end of the transmission assembly 120 is adapted to be coupled to a steering column for transmitting torque from the steering column;
the torsion bar 130 is connected with the transmission assembly 120 and is used for deforming under the action of torque;
An angle sensor 140 connected to the torsion bar 130 for detecting a deformation angle of the torsion bar 130;
The controller 150 is connected with the angle sensor 140 and the feedback assembly 110, and is used for controlling the feedback assembly 110 to generate reverse torque matched with the torque according to the deformation angle;
The feedback assembly 110 is coupled to the transmission assembly 120 for transmitting reverse torque through the transmission assembly 120 to the steering column.
In this embodiment, the angle sensor 140 detects the deformation angle of the torsion bar 130, and the controller 150 controls the feedback assembly 110 to generate a reverse torque with a torque matching according to the deformation angle, and feeds the reverse torque back to the steering column through the transmission assembly 120, so as to simulate the feedback of the road feel, so that the driver needs to overcome the reverse torque during operation, not only can accurately sense the input of the driver, but also can provide the road feel suitable for the vehicle, and improve the experience feel of the driver.
In this embodiment, the road-sensing torque simulation mechanism 100 further includes a housing 160, and the transmission assembly 120, the torsion bar 130, the angle sensor 140, the controller 150 and the feedback assembly 110 are disposed in the housing 160;
referring to fig. 3, the housing 160 includes a first end cover 162, a first housing 164, a second housing 166, a third housing 168, and a second end cover 169, and the first end cover 162, the first housing 164, the second housing 166, the third housing 168, and the second end cover 169 are sequentially connected.
In this embodiment, the transmission assembly 120 is disposed within the first housing 164 with one end extending into the second housing 166. Torsion bar 130, add-on sensor and feedback assembly 110 are all disposed within second housing 166.
In this embodiment, the inner diameter of the second housing 166 is smaller than the inner diameter of the third housing 168.
In the present embodiment, the feedback assembly 110 includes a driving member 112 and a feedback member 114;
the controller 150 is connected to the driving member 112, and is configured to control the driving member 112 to generate a reverse torque matching the torque according to the deformation angle;
the feedback member 114 is coupled to the driving member 112 and the transmission member 120 for rotation in response to a reverse torque rotation and for transmitting the reverse torque to the transmission member 120.
In this embodiment, the controller 150 controls the current input to the driver according to the deformation angle, and the current input to the driving member 112 is opposite to the current controlling the rotation of the transmission assembly 120, so that the feedback member 114 generates the reverse torque.
Referring to fig. 1 and 4 in combination, in the present embodiment, the feedback member 114 includes a first transmission member 1142 and a second transmission member 1144, the first transmission member 1142 is connected to the transmission assembly 120, the second transmission member 1144 is connected to the driving member 112, and the first transmission member 1142 is matched with the second transmission member 1144.
In this embodiment, the first transmission member 1142 is a worm gear, the second transmission member 1144 is a worm, and the driving member 112 drives the worm to rotate, and the worm transmits the reverse torque to the transmission assembly 120 through the worm gear.
In the present embodiment, the first transmission member 1142 is a turbine, and the second transmission member 1144 is a worm, but the present invention is not limited thereto, and in other embodiments of the present invention, the first transmission member 1142 and the second transmission member 1144 may be other devices capable of generating torque. The equivalent schemes of the embodiment can achieve the effects of the embodiment, and are all within the protection scope of the invention.
Referring to fig. 1, in the present embodiment, the transmission assembly 120 includes a first transmission shaft 122 and a second transmission shaft 124, and the first transmission shaft 122 and the second transmission shaft 124 are connected through a torsion bar 130.
In this embodiment, an end of the second drive shaft 124 remote from the first drive shaft 122 extends into the second housing 166.
In this embodiment, the transmission assembly 120 further includes a support base 126, where the support base 126 is connected to the second transmission shaft 124, and a groove 128 is provided on the support base 126 for installing the angle sensor 140.
In this embodiment, the road-sensing moment simulation mechanism 100 further includes a limiting component 170, where the limiting component 170 is connected to the transmission component 120 and is used for driving the rotation angle of the transmission component 120.
In the present embodiment, the limiting assembly 170 can limit the rotation angle of the transmission assembly 120, so as to prevent misoperation of the driver.
In this embodiment, the limiting component 170 includes a limiting member 172, a first limiting plate 174 and a second limiting plate 176, the limiting member 172 is connected with the transmission component 120, the first limiting plate 174 and the second limiting plate 176 are respectively disposed at two ends of the limiting member 172, and the limiting member 172 rotatably slides relative to the transmission component 120 to selectively abut against the first limiting plate 174 or the second limiting plate 176.
In this embodiment, the limiting member 172 is disposed in the third housing 168, and one end thereof extends into the second housing 166 to connect with one end of the second transmission shaft 124 away from the first transmission shaft 122.
In this embodiment, the second end cover 169 is a second limiting plate 176, the inner diameter of the second housing 166 is smaller than the inner diameter of the third housing 168, the end of the second housing 166 close to the third housing 168 is a first limiting plate 174, and the limiting member 172 can slide in the third housing 168 rotatably relative to the transmission assembly 120.
Referring to fig. 5, in the present embodiment, the limiting member 172 includes a third rotating shaft 1722 connected to the transmission assembly 120, and the limiting member 1724 is matched with the third rotating shaft 1722 and can slide rotatably relative to the third rotating shaft 1722.
In the present embodiment, the stopper 1724 is screwed with the third rotation shaft 1722, and the stopper 1724 can move rotationally relative to the third rotation shaft 1722 in a direction approaching or separating from the second rotation shaft.
The working principle of the road feel moment simulation mechanism 100 provided in this embodiment is as follows: in this embodiment, the driver operates the steering column, and the steering column drives the first transmission shaft 122 to rotate, so as to drive the torsion bar 130 to rotate, and the controller 150 collects the deformation angle of the torsion bar 130 and controls the current input to the driving member 112, so that the driving member 112 drives the worm gear to generate reverse torque, and the reverse torque is transmitted to the steering column to be fed back to the driver.
In summary, in the road feel torque simulation mechanism 100 provided in the present embodiment, the angle sensor 140 detects the deformation angle of the torsion bar 130, and the controller 150 controls the feedback assembly 110 to generate the reverse torque with the matched torque according to the deformation angle, and feeds back the reverse torque to the steering column through the transmission assembly 120, so as to simulate the road feel feedback, so that the driver needs to overcome the reverse torque during operation, not only accurately sense the input of the driver, but also provide road feel suitable for the vehicle, and improve the experience of the driver.
Example two
The embodiment provides a car, and the car that this embodiment provided can improve driver's experience.
For the sake of brief description, reference may be made to embodiment one where this embodiment is not mentioned.
In this embodiment, the vehicle includes a steering column and the road feel torque simulation mechanism 100 provided in embodiment one. The first drive shaft 122 is connected to the steering column.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The road sensing moment simulation mechanism is characterized by comprising a transmission component, a torsion bar, an angle sensor, a controller and a feedback component;
one end of the transmission component is used for being connected with a steering column and transmitting the torque of the steering column;
The torsion bar is connected with the transmission assembly and is used for deforming under the action of the torque;
the angle sensor is connected with the torsion bar and is used for detecting the deformation angle of the torsion bar;
the controller is connected with the angle sensor and the feedback component and is used for controlling the feedback component to generate reverse torque matched with the torque according to the deformation angle;
the feedback assembly is connected with the transmission assembly and is used for transmitting the reverse torque to the steering column through the transmission assembly;
the feedback assembly comprises a driving piece and a feedback piece;
The controller is connected with the driving piece and used for controlling the driving piece to generate reverse torque matched with the torque according to the deformation angle;
the feedback piece is connected with the driving piece and the transmission assembly and is used for rotating according to the reverse torque and transmitting the reverse torque to the transmission assembly;
The feedback piece comprises a first transmission piece and a second transmission piece, the first transmission piece is connected with the transmission assembly, the second transmission piece is connected with the driving piece, and the first transmission piece is matched with the second transmission piece;
the transmission assembly comprises a first transmission shaft and a second transmission shaft, and the first transmission shaft and the second transmission shaft are connected through a torsion bar.
2. The road feel torque simulation mechanism of claim 1, wherein the transmission assembly further comprises a support base, the support base is connected with the second transmission shaft, and a groove is formed in the support base for installing the angle sensor.
3. The road feel torque simulation mechanism of claim 1 further comprising a limit assembly connected to the drive assembly for limiting the angle of rotation of the drive assembly.
4. The road feel moment simulation mechanism according to claim 3, wherein the limiting assembly comprises a limiting piece, a first limiting plate and a second limiting plate, the limiting piece is connected with the transmission assembly, the first limiting plate and the second limiting plate are respectively arranged at two ends of the limiting piece, and the limiting piece can slide rotationally relative to the transmission assembly so as to be selectively abutted against the first limiting plate or the second limiting plate.
5. The road feel torque simulation mechanism according to claim 4, wherein the limiting member comprises a third rotating shaft and a limiting block, the third rotating shaft is connected with the transmission assembly, and the limiting block is matched with the third rotating shaft and can rotationally slide relative to the third rotating shaft.
6. The road feel torque simulation mechanism of claim 1 further comprising a housing, wherein the transmission assembly, the torsion bar, the angle sensor, the controller and the feedback assembly are disposed within the housing;
The shell comprises a first end cover, a first shell, a second shell, a third shell and a second end cover, wherein the first end cover, the first shell, the second shell, the third shell and the second end cover are sequentially connected.
7. A vehicle comprising a road feel torque simulation mechanism as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476421.XA CN108657264B (en) | 2018-05-17 | 2018-05-17 | Road feel moment simulation mechanism and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810476421.XA CN108657264B (en) | 2018-05-17 | 2018-05-17 | Road feel moment simulation mechanism and car |
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| Publication Number | Publication Date |
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| CN108657264A CN108657264A (en) | 2018-10-16 |
| CN108657264B true CN108657264B (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810476421.XA Active CN108657264B (en) | 2018-05-17 | 2018-05-17 | Road feel moment simulation mechanism and car |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113135224A (en) * | 2021-05-27 | 2021-07-20 | 山东凌畅汽车科技有限公司 | Drive-by-wire turns to road feel analog control system |
| CN114771641A (en) * | 2022-03-24 | 2022-07-22 | 上海集度汽车有限公司 | Force feedback method, force feedback device, storage medium, and steer-by-wire system |
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| US6834261B1 (en) * | 2000-10-27 | 2004-12-21 | Visteon Corporation | Simulated steering feel system |
| KR20040092526A (en) * | 2003-04-24 | 2004-11-04 | 현대자동차주식회사 | Hybrid steering wheel for driving simulator and steer-by-wire system |
| 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 |
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| CN108657264A (en) | 2018-10-16 |
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Effective date of registration: 20240508 Address after: No. 108, Shacen Road, Jingzhou Development Zone, Jingzhou District, Jingzhou City, Hubei Province 434000 Applicant after: Hubei Henglong kaiwanbi electric steering system Co.,Ltd. Country or region after: China Address before: 434000, No.1 Henglong Road, Jingzhou District, Jingzhou City, Hubei Province Applicant before: JINGZHOU HENGLONG AUTOMOTIVE TECHNOLOGY (DETECTION) CENTER Country or region before: China |
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