Magnetic isolating and pointing gimbal apparatus

Details Magnetic isolating and pointing gimbal apparatus Magnetic isolating and pointing gimbal apparatus

1986-07-15

1989-02-07

Dobeck, Benjamin

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

318632, 318689, 74 54, B64C 1702

Patent

active

048034134

ABSTRACT:
A magnetic isolation and pointing gimbal apparatus provides support functions and multidegree of freedom pointing capability and simultaneous six degree of freedom bi-directional disturbance isolation. This is accomplished by integrating the support, isolation and pointing functions within one contiguous gimbal assembly. The apparatus comprises a housing having a shaft rotatably mounted therein such that the centroidal axis of the shaft is coaxial with that of the housing. A linear, two-axis, large gap, radial magnetic actuator is mounted in the housing concentrically with the shaft. A radial armature is mounted on the shaft adjacent the radial magnetic actuator. A set of linear, large gap, axial magnetic actuators are mounted in the housing. An axial armature is connected to the shaft and extends between the axial magnetic actuators. A torque motor is also connected to the shaft. A large gap, rotational position sensor has a first portion connected to the shaft and a second portion connected to the housing.

REFERENCES:
patent: 3875488 (1975-04-01), Crocker
patent: 4088018 (1978-05-01), Anderson et al.
patent: 4403838 (1983-09-01), Beilock
patent: 4498038 (1985-02-01), Malueg
patent: 46445994 (1987-02-01), Giangola
Control System Design of Annular Suspension and Pointing System, Journal of Guidance, and Control, vol. 3, No. 1, Jan.-Feb. 1980

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