Equipment for stabilizing platform around spindle, comprises isotropic frequency vibrating resonator carried by platform and acting as detector and control loop controlling compensating motor

摘要

The platform carries isotropic frequency vibrant resonator (10) which acts as resonator. An excitation loop has oscillator (12) which receives sensor (D1) signal and supplies transductor (E1). A quadrature control loop receives sensor (D2) signal and feeds transductor (E2). A control loop has route to compensating motor (27) using sensor (D2) signal and externally controlled precession control route feeding transductor (E2)