Road feeling simulation method, device, system and storage medium for remote driving

A technology of remote driving and road feeling simulation, which is applied in the field of remote driving, and can solve problems such as the inapplicability of the road feeling simulation of the steering-by-wire technology and the inability to directly feed back the road feeling information to the driver.

Active Publication Date: 2021-04-16
CHINA FIRST AUTOMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During vehicle driving, road feeling is the steering wheel reaction force felt by the driver when turning the steering wheel. This force includes the movement and force of the vehicle and tires. Road feeling information is an important reference condition for the driver to perform driving operations. , but because the driver and the vehicle are separated in space in the remote driving technology, the road feeling information fed back by the vehicle cannot be directly fed back to the driver
[0004] At present, there are also road feeling simulation methods for vehicles using steering-by-wire technology, but steering-by-wire technology is a direction for future vehicle development and has not been popularized. Most vehicles are still equipped with EPS (Electric PowerSteering, electric power steering) system Therefore, when the existing vehicle equipped with the EPS system is used for remote driving, the road feeling simulation of the steering-by-wire technology is not applicable, so there is an urgent need for a driving system that can accurately feed back the road feeling information of the vehicle equipped with the EPS system to the remote control terminal. Driver's technology, so that the driver can control the running vehicle based on more accurate vehicle operation information

Method used

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  • Road feeling simulation method, device, system and storage medium for remote driving
  • Road feeling simulation method, device, system and storage medium for remote driving
  • Road feeling simulation method, device, system and storage medium for remote driving

Examples

Experimental program
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Effect test

Embodiment 1

[0046]figure 1 A flow schematic of a remote driving road sense method for the embodiment of the present invention, the present embodiment can be applied to a remote driving application scenario. Such asfigure 1 As shown, the remote driving road sense simulation method provided in the embodiment of the present invention includes:

[0047]S110, acquire the steering wheel resistance torque through the load observer.

[0048]Specifically, the load observer is a steering load model of the vehicle steering system constructed at the onboard end control terminal. When the vehicle is steering, it can be seen as a steering load implies a certain force to the steering system. This force generated by the force For steering load torque, the steering load torque can be determined by the load observer. Since the driver is implemented by manipulating the vehicle, that is, the force of the steering wheel feedback is the force actually felt, so it is necessary to convert the steering load torque into a ste...

Embodiment 2

[0057]figure 2 A flow diagram of a remote driving sense simulation method according to the second embodiment of the present invention, and this embodiment is further refined to the above embodiment. Such asfigure 2 As shown, the remote driving road sense simulation method provided by the second embodiment of the present invention includes:

[0058]S201, acquire vehicle measurement data and remote measurement data, the vehicle measurement data comprises: motor current, steering motor speed, steering column torque, vehicle speed, vehicle corner, tire tire pressure, said far end measuring data includes: steering wheel hand Torque, steering wheel torque, road sensing motor torque and path motor speed.

[0059]Specifically, the vehicle measurement data is some measurement data from the vehicle carrier, which can be obtained from the entire vehicle CAN network. The distal measurement data refers to some of the measurement data in an analog cockpit in the remote control terminal, which is transm...

Embodiment 3

[0105]image 3 A schematic structural diagram of a remote driving road sense simulation apparatus provided in the third embodiment of the present invention, the present embodiment can be applied to a remote driving application scenario. The remote driving road sense simulation apparatus provided in this embodiment can realize the remote driving road sense method provided by any embodiment of the present invention, and there is a corresponding functional structure and beneficial effects of the implementation method, and the content described in this embodiment is not described in detail. A description of any method of the invention.

[0106]Such asimage 3 As shown, the remote driving road sense simulation apparatus provided in the first embodiment of the present invention includes: a steering wheel resistance torque acquiring module 310, a steering compensation torque acquiring module 320, a road sensation moment determining module 330, and a wireless communication module 340, wherein:

[0...

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Abstract

The embodiment of the present invention discloses a remote driving road feeling simulation method, device, system, and storage medium. The method includes: obtaining steering wheel resistance torque through a load observer; obtaining steering compensation torque through a reaction force strategy of an electric power steering system; Determine the road sense torque according to the steering wheel resistance torque and the steering compensation torque; send the road sense torque to the remote control terminal through the wireless network, so that the remote control terminal controls the road sense motor to generate the road sense torque. same torque. The embodiment of the present invention realizes the accurate feedback of the road sense information of the vehicle equipped with the EPS system to the driver of the remote control terminal, improves the accuracy of the vehicle operation information obtained by the remote control terminal, and is beneficial to the driver to issue more accurate control of the vehicle instruction.

Description

Technical field[0001]Embodiments of the present invention relate to remote driving technologies in the art, in particular, to a remote driving road sense simulation method, apparatus, system, and storage medium.Background technique[0002]With the development of automatic driving technology and wireless communication network, the development of remote driving technology is gradually derived. The development of remote driving technology has enabled the driver to realize vehicle control at the far end. When conducting some high-risk work, it is greatly guaranteed driving. The life safety of the staff.[0003]In remote driving techniques, the driver inputs the control information of the vehicle on the remote road in the simulated cockpit, which transmitted to the vehicle controller through the network, and the vehicle performs corresponding operations according to these control information, thereby implementing Remote driving. During the driving process of the vehicle, the road sense is th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D1/28B62D6/00G08C17/02B62D137/00B62D101/00
CPCB62D1/28B62D6/008G08C17/02
Inventor 刘金波王宇张建黄海洋李春善周添
Owner CHINA FIRST AUTOMOBILE
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