Active gravity compensation device for force control system
Authority limiter
Authority limiter
Bi-directional electric torque motor and driver
Constant area pulse generating network
Differential torquer
Direct drive servovalve having two landed spool power stage
Electromagnetic servo unit
Electronic compensator for an electrohydraulic servovalve
Electronic torquer interface and erection control circuit
Electronically commutated two-axis gyro control system
Electronically commutated two-axis gyro control system
Low cost limited angle torque DC brushless servomotor and...
Low noise differential torquer servo loop and circuitry
Non-oscillating torque control apparatus
Optical commutation and tilt sensing for a permanent magnet gyro
Parallel redundant actuator systems
Solenoid torquer system
Torque control circuit for impact tool