Title:
A speed change controlling device and a speed change control method of an automatic shift
Document Type and Number:
Japanese Patent JP5954035
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a transmission control device and a transmission control method of an automatic transmission, capable of obtaining good transmission feeling and vehicle traveling performance even when AT input torque input to the automatic transmission is changed due to a power generation state change.SOLUTION: A transmission control device includes a power generation state change determination part 57a for determining a power generation stage change, a virtual throttle opening calculation part 57c for calculating a virtual throttle opening when the power generation state has changed, a transmission determination presence determination part 57d, an actual throttle opening change determination part 57e for determining that an actual throttle opening Aac has decreased by a predetermined amount θb or more, or increased by a predetermined amount θc or more within predetermined time Ta when transmission determination is up-shifting or down-shifting, and a transmission control unit 57f for controlling gear shifting of an automatic transmission 5 according to the transmission determination.
Inventors:
Minoru Ishiguro
Application Number:
JP2012175326A
Publication Date:
July 20, 2016
Filing Date:
August 07, 2012
Export Citation:
Assignee:
Aisin Seiki Co., Ltd.
International Classes:
B60W20/30; B60K6/36; B60K6/48; B60K6/547; B60W10/10; F02D29/06; F16H61/02
Domestic Patent References:
| JP2012061883A | ||||
| JP2003184598A | ||||
| JP2009052730A | ||||
| JP2008056108A | ||||
| JP2011220362A |
Attorney, Agent or Firm:
Kobayashi Osamu