Title:
CONTROLLER FOR CONTINUOUSLY VARIABLE TRANSMISSION
Document Type and Number:
Japanese Patent JPS604658
Kind Code:
A
Abstract:
PURPOSE:To improve the following performance of actual speed change ratio by employing the integrated level of difference between the target and actual speed change ratio as a correction speed change command signal when the differentiated value of target speed change ratio will exceed over predetermined level. CONSTITUTION:The differentiated level of a target speed change ratio is calculated by a differentiating means 956 while the difference between the target and actual speed change ratio signals is calculated by a difference operating means 958. When the absolute differentiated value of target speed change ratio signal is higher than predetermined level in a correction level operating means 962, the integrated difference between the target and actual speed change ratio signals is set as a correction level, while when it is lower than predetermined value the correction level is corrected to 0. Then a correction speed change command signal operating means 976 will operate the collection level of speed change command signal to produce a correction speed change command signal which is provided to a speed change actuator. Consequently, even under such operating state where the target speed change ratio will change frequently, it can follow the actual speed change ratio accurately to control the engine to desired operating state.
Inventors:
OSHIAGE KATSUNORI
Application Number:
JP11181483A
Publication Date:
January 11, 1985
Filing Date:
June 23, 1983
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
F16H9/16; F16H9/00; F16H61/02; F16H61/04; (IPC1-7): F16H9/16
Domestic Patent References:
| JPS5114583A | 1976-02-05 | |||
| JPS54112465A | 1979-09-03 |
Attorney, Agent or Firm:
Masaki Goto
Next Patent: JPS604659