Abstract: The development and design considerations of a counterbalance system utilizing a servomechanism are given. The purpose of the counterbalance system is to allow dynamic testing of equipment to ...

Abstract: The development of a position control system using a stepper or incremental motor is described. The advantages of this type of prime mover are discussed, and a technique of integrating the ...

Abstract: A gyro-free nonlinear attitude control system for a spacecraft is analyzed. On-off jet actuators are used. Hysteresis and a dead zone are intentionally put into the system. Under certain ...