Title:
REVERSE GEAR CONTROL METHOD FOR EIGHT-SPEED DUAL-CLUTCH TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2023/005982
Kind Code:
A1
Abstract:
The present application discloses a reverse gear control method for an eight-speed dual-clutch transmission. The current speed of an vehicle is not zero, and the reverse gear control method for an eight-speed dual-clutch transmission comprises: executing a reverse gear pre-engaging operation; determining whether the current vehicle speed is greater than a set vehicle speed; if the current vehicle speed is greater than the set vehicle speed, the reverse gear pre-engaging operation is invalid; in response to the current vehicle speed being less than or equal to the set vehicle speed, controlling the rotational speed of a reverse gear driven gear to be reduced to zero; controlling the rotational speed of a reverse gear driving gear to be reduced to zero; and executing a reverse gear engaging operation.
Inventors:
LIU JUNQI (CN)
FU CHAO (CN)
BAI XIUCHAO (CN)
LIU YANCHAO (CN)
WANG WEI (CN)
FU CHAO (CN)
BAI XIUCHAO (CN)
LIU YANCHAO (CN)
WANG WEI (CN)
Application Number:
PCT/CN2022/108289
Publication Date:
February 02, 2023
Filing Date:
July 27, 2022
Export Citation:
Assignee:
CHINA FAW CO LTD (CN)
International Classes:
F16H3/087; F16H61/02; F16H61/04
Foreign References:
| CN113565933A | 2021-10-29 | |||
| FR3076520A1 | 2019-07-12 | |||
| CN103542044A | 2014-01-29 | |||
| JP2006138424A | 2006-06-01 | |||
| CN105736597A | 2016-07-06 | |||
| JPH0396763A | 1991-04-22 | |||
| CN203548724U | 2014-04-16 | |||
| JP2006144993A | 2006-06-08 |
Attorney, Agent or Firm:
BEIJING YZH IP FIRM (CN)
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