Attitude control system designed for rockets regulates duty cycle of pneumatic valves so less fuel is required. Operation time of each valve is directly proportional to error signal and the dead band about a null is controlled by independently adjustable threshold circuits.
Pulse width-pulse rate modulator
1971-12-01
Miscellaneous
No indication
English
Thyristor chopper control using magnetic pulse width modulator
Tema Archive | 1977
|Digital Pulse-Width-Modulator Circuit for Motor Control
Online Contents | 1996