CN118004267A - Distributed intelligent automobile steering wheel steering auxiliary device and control method thereof - Google Patents
Distributed intelligent automobile steering wheel steering auxiliary device and control method thereof Download PDFInfo
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- CN118004267A CN118004267A CN202410346312.1A CN202410346312A CN118004267A CN 118004267 A CN118004267 A CN 118004267A CN 202410346312 A CN202410346312 A CN 202410346312A CN 118004267 A CN118004267 A CN 118004267A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 238000013016 damping Methods 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims description 14
- 238000011161 development Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
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Abstract
The invention discloses a distributed intelligent automobile steering wheel steering auxiliary device and a control method thereof, which belong to the technical field of intelligent automobiles, wherein a steering machine side angle sensor and a steering wheel side angle sensor are arranged on a shell, the steering machine side angle sensor is used for measuring the deviation angle of a steering machine side steering transmission shaft relative to the steering auxiliary device, and the steering wheel side angle sensor is used for measuring the deviation angle of the steering wheel side steering transmission shaft relative to the steering auxiliary device; the steering wheel side steering transmission shaft is also connected with an output shaft of an angle resetting motor, the steering wheel side steering transmission shaft is also provided with a steering damper, the angle resetting motor is used for controlling the steering wheel side steering transmission shaft to rotate, and the steering damper is used for providing damping for the steering wheel side steering transmission shaft; the invention improves the applicability of the current development stage of the automatic driving automobile.
Description
Technical Field
The invention relates to a distributed intelligent automobile steering wheel steering auxiliary device and a control method thereof, and belongs to the technical field of intelligent automobiles.
Background
The prior art related to this application is folding storage type steering wheel among the steering wheel dysmorphism, because of folding storage type steering wheel probably adopts steering wheel and steering wheel separation mechanism, but prior art is electron drive-by-wire simulation steering wheel.
The main research in the prior art is embodied in the aspect of folding and accommodating steering wheels, and comprises CN115366979A, and the patent name of a drive-by-wire steering road feel simulation device with a steering wheel telescopic folding mechanism is as follows: the application discloses a drive-by-wire steering road feel simulation device with a steering wheel telescopic folding mechanism, which comprises a steering wheel, a folding mechanism, a steering column, a moment and angle sensor, a telescopic mechanism, a road feel motor and a road feel motor speed reducer which are matched for use, and a controller. According to the technical scheme, the steering-by-wire system can simulate road feel under the non-automatic driving state, and a driver is assisted to drive a vehicle; under the automatic driving state, the driver does not need to control the steering wheel, and the steering wheel can be silent and folded and contracted to the lower part of the instrument board, so that the activity space of the cab can be increased, the comfort is improved, and misoperation is avoided.
However, the technology of folding the steering wheel is not in accordance with the existing automatic driving technology, the existing automatic driving technology of the automobile is still in the stage from L2 to L3, both hands still cannot leave the steering wheel at the same time, and the folding steering wheel is not suitable for being applied to the automobile at the present stage.
Disclosure of Invention
The invention aims to provide a distributed intelligent automobile steering wheel steering auxiliary device and a control method thereof, which solve the problem of low application degree in the prior art.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
In a first aspect, the present invention provides a distributed intelligent vehicle steering wheel steering assist apparatus, comprising: the steering device comprises a shell, a steering machine side steering transmission shaft, a normally closed electromagnetic clutch, a steering damper, an angle resetting motor, a steering machine side angle sensor, a steering wheel side angle sensor and a steering wheel side steering transmission shaft;
a steering machine side angle sensor and a steering wheel side angle sensor are arranged on the shell, the steering machine side angle sensor is used for measuring the deviation angle of the steering transmission shaft of the steering machine side relative to the steering auxiliary device, and the steering wheel side angle sensor is used for measuring the deviation angle of the steering transmission shaft of the steering wheel side relative to the steering auxiliary device;
The steering wheel side steering transmission shaft is connected with one end of the normally closed electromagnetic clutch, the steering wheel side steering transmission shaft is connected with the other end of the normally closed electromagnetic clutch, the steering wheel side steering transmission shaft is further connected with an output shaft of the angle resetting motor, the steering wheel side steering transmission shaft is further provided with the steering damper, the angle resetting motor is used for controlling the steering wheel side steering transmission shaft to rotate, and the steering damper is used for providing damping for the steering wheel side steering transmission shaft.
Further, the device also comprises a control computer which is connected with the normally closed electromagnetic clutch through signals and used for controlling the engagement and the disengagement of the normally closed electromagnetic clutch.
Further, the control computer is in signal connection with the steering damper and is used for controlling whether the steering damper works.
Further, the control computer is in signal connection with the angle resetting motor and is used for controlling the stroke of the angle resetting motor.
Further, one end of the angle resetting motor is fixedly connected with the shell.
Further, the housing of the steering damper is fixedly connected with the housing.
In a second aspect, the present invention further provides a control method of the device according to any one of the first aspect, including:
in response to receiving the automatic driving signal, sending a separation signal to the normally closed electromagnetic clutch, enabling the normally closed electromagnetic clutch to enter a separation state, completing separation of the steering wheel and the rotating machine, stopping steering transmission, sending an application damping signal to the steering damper, and applying steering damping to the steering transmission shaft on the steering wheel side through the steering damper;
when the automobile is in an automatic driving state, in response to receiving an exiting automatic driving signal or detecting that the angle change of the steering wheel side angle sensor reaches a preset value, sending an engagement signal to the normally closed electromagnetic clutch, enabling the normally closed electromagnetic clutch to enter an engaged state, completing engagement of the steering wheel and the steering machine, synchronously steering and transmitting a damping release signal to the steering damper, and releasing steering damping of the steering transmission shaft at the steering wheel side through the steering damper;
And in response to receiving the parking signal, sending an angle reset signal to the angle reset motor, and controlling the stroke of the angle reset motor, so as to control the steering wheel to rotate and complete the angle reset of the steering wheel.
Compared with the prior art, the invention has the following beneficial effects:
According to the distributed intelligent automobile steering wheel steering auxiliary device and the control method thereof, through the arrangement of the normally closed electromagnetic clutch, when an automobile enters automatic driving, the steering wheel and the steering machine can be separated, and when manual driving is needed, the connection of the steering wheel and the steering machine can be immediately completed, so that manual connection is realized; the design of the steering damper is additionally arranged, so that a driver can easily hold the steering wheel, the driving fatigue is reduced, the driving experience is improved, the normal operation of the steering wheel can be immediately recovered when the driver needs to be, and the driving safety is ensured; the invention has important effects of improving the vehicle driving experience and improving the safety driving coefficient of the vehicle in the development stage of the intelligent vehicle needing manual intervention, which does not enter the L5 stage of the automatic driving technology yet.
Drawings
Fig. 1 is a schematic diagram of a distributed intelligent steering wheel steering auxiliary device according to an embodiment of the present invention.
In the figure; 1. the steering transmission shaft at the side of the steering machine; 2. a normally closed electromagnetic clutch; 3. an angle reset motor; 4. a steering damper; 5. a steering wheel side angle sensor; 6. a control computer; 7. steering wheel side steering drive shaft; 8. a steering machine side angle sensor; 9. a housing.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and the following examples are only for more clearly illustrating the technical aspects of the present invention, and are not to be construed as limiting the scope of the present invention.
Example 1
As shown in fig. 1, the invention provides a distributed intelligent automobile steering wheel steering auxiliary device, which comprises a steering wheel side steering transmission shaft 1, a normally closed electromagnetic clutch 2, an angle resetting motor 3, a steering damper 4, a steering wheel side angle sensor 5, a control computer 6, a steering wheel side steering transmission shaft 7, a steering wheel side angle sensor 8 and a shell 9.
The steering-side steering transmission shaft 1 is a transmission shaft connected with an automobile steering machine and is responsible for transmitting the steering force of the normally-closed electromagnetic clutch 2 to the steering machine.
The steering wheel side steering drive shaft 7 is a drive shaft engaged with the steering wheel of the automobile, and is responsible for transmitting the steering force of the steering wheel to the normally closed electromagnetic clutch 2.
The normally closed electromagnetic clutch 2 receives a signal from the control computer 6 to realize the engagement and disengagement operation between the steering wheel side steering drive shaft 1 and the steering wheel side steering drive shaft 7. When receiving the engagement signal, the electromagnetic coil is disconnected from power supply, and a force is applied to the clutch friction plate by the spring to realize the engagement function of the normally closed electromagnetic clutch 2. When the separation signal is received, power is supplied to the electromagnetic coil, and a separation force is applied to the clutch friction plate to realize the separation function of the normally closed electromagnetic clutch 2.
The steering wheel side angle sensor 5 and the steering machine side angle sensor 8 are respectively responsible for acquiring the deviation angles of the steering wheel side steering transmission shaft 7 and the steering machine side steering transmission shaft 1 relative to the steering auxiliary device, and the control computer 6 acquires the steering wheel angle difference (the steering wheel angle difference refers to the degree that the control computer 6 acquires the deviation angles of the steering wheel side angle sensor 5 and the steering machine side angle sensor 8 at the same time and calculates the phase difference between 2 deviation angles) in real time for data storage for standby.
And the angle resetting motor 3 is used for acquiring steering wheel angle difference data and comparing the steering wheel angle difference data with original steering wheel angle difference data by the control computer 6, sending a control signal to the angle resetting motor 3, controlling the stroke of the angle resetting motor 3 and realizing the angle deviation resetting of the steering wheel.
The steering damper 4 receives a signal from the control computer 6 and applies a steering resistance to the steering wheel by using electromagnetic force.
The control computer 6 is responsible for being connected with the driving computer ECU, monitors and controls all devices in the device, realizes the connection and separation control of steering wheel transmission, realizes the return control of steering wheel angles and realizes the control of steering wheel damping.
The housing 9 is a member for accommodating and mounting the steering wheel side steering drive shaft 1, the normally closed electromagnetic clutch 2, the angle return motor 3, the steering damper 4, the steering wheel side angle sensor 5, the control computer 6, the steering wheel side steering drive shaft 7, and the steering wheel side angle sensor 8.
Example 2
The embodiment of the invention provides a control method of a distributed intelligent automobile steering wheel steering auxiliary device, which is provided by the embodiment 1, and comprises the following steps:
In response to receiving the automatic driving signal, sending a separation signal to the normally closed electromagnetic clutch 2, enabling the normally closed electromagnetic clutch 2 to enter a separation state, completing separation of the steering wheel and the steering machine, stopping steering transmission, sending an application damping signal to the steering damper 4, and applying steering damping to the steering transmission shaft 7 on the steering wheel side through the steering damper 4;
When the automobile is in an automatic driving state, in response to receiving an exiting automatic driving signal or detecting that the angle change of the steering wheel side angle sensor 5 reaches a preset value, sending an engagement signal to the normally closed electromagnetic clutch 2, enabling the normally closed electromagnetic clutch 2 to enter an engaged state, completing engagement of the steering wheel and the steering machine, synchronizing steering transmission, sending a damping release signal to the steering damper 4, and releasing steering damping of the steering wheel side steering transmission shaft 7 through the steering damper 4;
In response to receiving the parking signal, an angle reset signal is sent to the angle reset motor 3, and the stroke of the angle reset motor 3 is controlled, so that the steering wheel is controlled to rotate, and the angle reset of the steering wheel is completed.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (7)
1. A distributed intelligent car steering wheel steering assist device, comprising: the steering device comprises a shell, a steering machine side steering transmission shaft, a normally closed electromagnetic clutch, a steering damper, an angle resetting motor, a steering machine side angle sensor, a steering wheel side angle sensor and a steering wheel side steering transmission shaft;
a steering machine side angle sensor and a steering wheel side angle sensor are arranged on the shell, the steering machine side angle sensor is used for measuring the deviation angle of the steering transmission shaft of the steering machine side relative to the steering auxiliary device, and the steering wheel side angle sensor is used for measuring the deviation angle of the steering transmission shaft of the steering wheel side relative to the steering auxiliary device;
The steering wheel side steering transmission shaft is connected with one end of the normally closed electromagnetic clutch, the steering wheel side steering transmission shaft is connected with the other end of the normally closed electromagnetic clutch, the steering wheel side steering transmission shaft is further connected with an output shaft of the angle resetting motor, the steering wheel side steering transmission shaft is further provided with the steering damper, the angle resetting motor is used for controlling the steering wheel side steering transmission shaft to rotate, and the steering damper is used for providing damping for the steering wheel side steering transmission shaft.
2. The distributed intelligent vehicle steering wheel steering assist apparatus of claim 1 further comprising a control computer in signal communication with the normally closed electromagnetic clutch for controlling engagement and disengagement of the normally closed electromagnetic clutch.
3. The distributed intelligent vehicle steering wheel steering assist apparatus of claim 2 wherein the control computer is in signal communication with the steering damper for controlling whether the steering damper is operational.
4. The distributed intelligent vehicle steering wheel steering assist apparatus of claim 2 wherein the control computer is in signal connection with the angle reset motor for controlling the travel of the angle reset motor.
5. The distributed intelligent vehicle steering wheel steering assist apparatus of claim 1 wherein one end of the angle reset motor is fixedly connected to the housing.
6. The distributed intelligent vehicle steering wheel steering assist apparatus of claim 1 wherein the housing of the steering damper is fixedly connected to the housing.
7. A control method of the apparatus according to any one of claims 1 to 6, comprising:
in response to receiving the automatic driving signal, sending a separation signal to the normally closed electromagnetic clutch, enabling the normally closed electromagnetic clutch to enter a separation state, completing separation of the steering wheel and the rotating machine, stopping steering transmission, sending an application damping signal to the steering damper, and applying steering damping to the steering transmission shaft on the steering wheel side through the steering damper;
when the automobile is in an automatic driving state, in response to receiving an exiting automatic driving signal or detecting that the angle change of the steering wheel side angle sensor reaches a preset value, sending an engagement signal to the normally closed electromagnetic clutch, enabling the normally closed electromagnetic clutch to enter an engaged state, completing engagement of the steering wheel and the steering machine, synchronously steering and transmitting a damping release signal to the steering damper, and releasing steering damping of the steering transmission shaft at the steering wheel side through the steering damper;
And in response to receiving the parking signal, sending an angle reset signal to the angle reset motor, and controlling the stroke of the angle reset motor, so as to control the steering wheel to rotate and complete the angle reset of the steering wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410346312.1A CN118004267A (en) | 2024-03-26 | 2024-03-26 | Distributed intelligent automobile steering wheel steering auxiliary device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410346312.1A CN118004267A (en) | 2024-03-26 | 2024-03-26 | Distributed intelligent automobile steering wheel steering auxiliary device and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118004267A true CN118004267A (en) | 2024-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410346312.1A Pending CN118004267A (en) | 2024-03-26 | 2024-03-26 | Distributed intelligent automobile steering wheel steering auxiliary device and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118004267A (en) |
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2024
- 2024-03-26 CN CN202410346312.1A patent/CN118004267A/en active Pending
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