Gimbal vibration isolation system

Details Gimbal vibration isolation system Gimbal vibration isolation system

G - Physics

01

C

G01C 19/16 (2006.01) B64G 1/66 (2006.01) F16F 15/02 (2006.01) G01C 21/18 (2006.01) F16F 15/00 (2006.01)

Patent

CA 2088381

A gimbal vibration isolation system suitable for use with an inertial platform to enable accurate positioning of the platform independently of a presence of vibratory translational movement upon a gimbal housing enclosing the platform employs a frame assembly centrally located within the platform for pivoting the platform and for isolating the platform from vibration. The platform is formed of two plate assemblies disposed on opposite sides of the frame assembly, with each of the plate assemblies carrying portions of a laser gyro and ancillary optical and electronic equipment. The gimbal housing includes a drive ring rotatable about a central axis and encircling the frame assembly which is connected to the drive ring. A central portion of the frame assembly carries a pivot which pivotally supports the platform. An electromagnetic actuator is located at each of a plurality of positions located circumferentially around the central axis wherein each actuator has a first part connecting with the frame and a second part connecting with both plate assemblies of the platform to accomplish a pivoting between platform and frame assembly upon activation of each actuator. The frame assembly further includes a plurality of vibration isolation elements of resilient material disposed symmetrically about the central axis and being connected between the first parts of respective ones of the actuators and the drive ring to allow operation of the actuators in an environment substantially free of translatory vibrational movement.

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