Title:
HILL DESCENT CONTROL METHOD AND SYSTEM, VEHICLE, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/001287
Kind Code:
A1
Abstract:
A hill descent control method and system, a vehicle, and a storage medium. The hill descent control method comprises: calculating state parameters of a vehicle to obtain the mass of the vehicle, the gradient of a vehicle traveling road, and the friction coefficient of a brake disc, identifying a driving system and a braking system used for deceleration, and determining normal working boundaries for braking of the driving system and the braking system; determining whether to enable a hill descent control function; setting an expected vehicle speed; obtaining an expected acceleration according to the difference between the expected vehicle speed and the actual vehicle speed, and determining vehicle brake torque corresponding to the current expected acceleration; and assigning the vehicle brake torque.
Inventors:
ZHANG JIAN (CN)
LI JIANFENG (CN)
WANG XIANGLING (CN)
JIANG HONGWEI (CN)
LI LINRUN (CN)
WANG YU (CN)
ZHANG SUTIE (CN)
WANG SHAN (CN)
LI JIANFENG (CN)
WANG XIANGLING (CN)
JIANG HONGWEI (CN)
LI LINRUN (CN)
WANG YU (CN)
ZHANG SUTIE (CN)
WANG SHAN (CN)
Application Number:
PCT/CN2022/107382
Publication Date:
January 26, 2023
Filing Date:
July 22, 2022
Export Citation:
Assignee:
CHINA FAW CO LTD (CN)
International Classes:
B60L7/10
Foreign References:
| CN113335287A | 2021-09-03 | |||
| CN111376728A | 2020-07-07 | |||
| CN110341496A | 2019-10-18 | |||
| CN107554505A | 2018-01-09 | |||
| CN109204010A | 2019-01-15 | |||
| CN101559772A | 2009-10-21 | |||
| EP1584530A1 | 2005-10-12 | |||
| DE102017128669A1 | 2019-06-06 |
Attorney, Agent or Firm:
BEIJING YZH IP FIRM (CN)
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