[특허]Angular position sensing and control system, apparatus and method

Angular position sensing and control system, apparatus and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01C-009/00 G01C-009/08
출원번호	US-0556572 (1975-03-10)
발명자 / 주소	Morris Harold D. (Orinda CA) Sigworth Frederick J. (Orinda CA)
출원인 / 주소	Systron Donner Corporation (Concord CA 02)
인용정보	피인용 횟수 : 35 인용 특허 : 0

초록 ▼

A structural body is monitored in angular position about at least one axis by utilizing a level sensor and a sensor responsive to angular motion of the body about the axis being monitored. An output indicative of long term angular variations of the body about the axis is provided by the level sensor and short term angular variations are indicated by the output from the sensor responsive to angular motion about the axis. The signals indicative of long term and short term angular variations are combined to provide a broad band output signal indicative of angular position which is immune to high frequency translational variations appearing at the level sensor output, but which is responsive to high frequency angular inputs. The fast response angular sensor output is compared with the slow response level sensor output and an error signal is produced which drives the angular sensor output signal into coincidence with the level sensor output signal. The combined broad band angular output indication may be utilized for angular position monitoring for controlling one part of a machine relative to a predetermined external angular position reference for driving a stable platform to assume a predetermined angle about the axis.

대표청구항 ▼

In apparatus for sensing the attitude relative to a local horizontal reference of a part on a machine having a framework supporting said part while said framework is free to move relative to the local horizontal reference, a linear accelerometer adapted to be mounted on said part having a sensitive axis for detecting departure thereof from the local horizontal reference and for producing a first signal representing a slow response angular displacement of said part, means for summing connected to receive said first signal and producing a summed output, means for receiving said summed output and for attenuating high frequencies therein, said last named means providing an error compensation signal, means adapted to be mounted on said part for sensing rotational motion thereof, said last named means producing a second signal representing a fast response indication of angular displacement of said part, means for combining said error compensation signal and said second signal and for providing a combined signal, means for feeding back said combined signal to said means for summing, said first signal and said combined signal having opposing sense for the same motion sense, whereby steady state errors in said second signal are compensated in said combined signal by said error compensation signal and transients in said second signal appear in said combined signal.

이 특허를 인용한 특허 (35)

Morris Harold D. (Orinda CA), Acceleration error compensated attitude sensing and control apparatus and method.
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White Stanley A. (San Clemente CA), Amplitude detection and automatic gain control of a sparsely sampled sinusoid by adjustment of a notch filter.
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Hoshal, Gregory D., Data recorder.
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Hoshal,Gregory D., Data recorder.
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Scholl Rolland D. (Dunlap IL) Easterling Gene B. (Decatur IL), Earth working machine and blade condition control system therefor.
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Jones Christopher Charles ; Grewe Timothy Michael, Electric motor rotor holding arrangement.
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Tippetts Thomas B. (Mesa AZ) Manion Francis M. (Rockville MD), Fluidic stabilization control.
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Naumov, Michael; Naumov, George, Method and device for determining a true meridian.
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Middleton Christohper O. (Capitola CA) Robson Colin L. (San Jose CA), Method for automatic position control of a tool.
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Thielman, Leroy O.; White, Stanley A., Methods and apparatus for automatic gain control.
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Kleman, Mikael, Radar level gauge inclination system.
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Groom Nelson J. (White Marsh VA) Anderson Williard W. (Yorktown VA) Phillips William H. (Hampton VA), Rim inertial measuring system.
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Palazzolo Alan ; Li Mu ; Na Uhn Joo ; Thomas Erwin, System and method for controlling suspension using a magnetic field.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Angular position sensing and control system, apparatus and method 원문보기

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Angular position sensing and control system, apparatus and method 원문보기

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