Servo control system for transmission shaft speed control

Details Servo control system for transmission shaft speed control Servo control system for transmission shaft speed control

1986-12-24

1989-02-21

Lall, Parshotam S.

Boots, shoes, and leggings

74866, 74861, 192 0076, 192 0032, F16H 300, B60K 2000

Patent

active

048071307

ABSTRACT:
Disclosed is an electronic shaft synchronization system. The system employs a proportional integral controller for controlling the speed offset between two shafts approaching synchronization. The speed offset is determined by calculating an error signal representative of the shaft speed differences. Means for measuring the quality of the error signal is provided to allow the integrator to be initialized once the error signal reaches a first threshold. By initializing the integrator in this manner, the typical delay problem experienced with such integration is alleviated to allow a substantially faster synchronization between the shafts.

REFERENCES:
patent: 4413714 (1983-11-01), Windsor
patent: 4419729 (1983-12-01), Krieder
patent: 4498036 (1985-02-01), Salemka
patent: 4638898 (1987-01-01), Braun
patent: 4718012 (1988-01-01), Oshiage
patent: 4727472 (1988-02-01), Deutsch et al.

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