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Title:
自動変速機を制御する方法
Document Type and Number:
Japanese Patent JP4230055
Kind Code:
B2
Abstract:
In a process for control of an automatic transmission (3) in a vehicle, it is proposed to set an electronic transmission control (4) for a driving state low friction value when slip is detected on the input gears of the vehicle or an ACS deceleration is detected. In an ACS deceleration a meter is determined, via an ACS evaluation function, from the actual acceleration of the vehicle or a parameter (e.g., gear speed increase) corresponding to the actual acceleration. When slip occurs, a meter is determined, via a slip evaluation function, from the theoretical/actual comparison of the vehicle acceleration or a parameter (e.g., torque reserve) corresponding to said comparison. In both an ACS deceleration or when a slip occurs, a winter operation mode is then activated when the meter count exceeds a limit value.

Inventors:
マルクス、ヘネケン
フリードマン、ヤウハ
カイ‐ウーベ、ヘルブスター
フランツ‐ヨゼフ、シュラー
トーマス、マウツ
Application Number:
JP16095099A
Publication Date:
February 25, 2009
Filing Date:
June 08, 1999
Export Citation:
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Assignee:
ZF FRIEDRICHSHAFEN AKTIENGESELLSCHAFT
International Classes:
F16H61/10; F16H59/66; F16H59/08; F16H59/44; F16H59/48; F16H59/50; F16H59/54; F16H61/02
Domestic Patent References:
JP60215434A
JP3103660A
JP7301322A
Attorney, Agent or Firm:
佐藤 一雄
永井 浩之
岡田 淳平
森 秀行