Measuring and testing – Navigation – Take-off and landing monitors
Patent
1977-06-17
1978-05-09
Woodiel, Donald O.
Measuring and testing
Navigation
Take-off and landing monitors
308 10, G01C 2100
Patent
active
040880184
ABSTRACT:
Apparatus for providing accurate pointing of instruments on a carrier vehicle and for providing isolation of the instruments from the vehicle's motion disturbances. The apparatus includes two assemblies, with connecting interfaces, each assembly having a separate function. The first assembly is attached to the carrier vehicle and consists of an azimuth gimbal and an elevation gimbal which provide coarse pointing of the instruments by allowing two rotations of the instruments relative to the carrier vehicle. The second or vernier pointing assembly is made up of magnetic suspension and fine pointing actuators, roll motor segments, and an instrument mounting plate around which a continuous annular rim is attached which provides appropriate magnetic circuits for the actuators and the roll motor segments. The vernier pointing assembly is attached to the elevation gimbal and provides vernier attitude fine pointing and roll positioning of the instruments as well as six degree-of-freedom isolation from carrier motion disturbances.
REFERENCES:
patent: 3845995 (1974-11-01), Wehde
patent: 3875488 (1975-04-01), Crocker
Anderson Willard W.
Groom Nelson J.
King William H.
Manning John R.
Osborn Howard J.
The United States of America as represented by the Administrator
Woodiel Donald O.
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