Boots – shoes – and leggings
Patent
1988-06-16
1990-04-10
Chin, Gary
Boots, shoes, and leggings
244166, B64G 132
Patent
active
049166220
ABSTRACT:
An attitude control system using magnetic torquing is enhanced using a momentum wheel which is pivoted if the sensed error signal about the roll axis exceeds a given threshold. The momentum wheel is pivoted under control of a stepping motor through a first angle proportional to the detected average roll error, and one-half nutation period later through an equal angle in the same direction. Alternatively, the momentum wheel is pivoted over first and second angles of different values wherein the difference is related to nutation.
REFERENCES:
patent: 3643897 (1972-02-01), Johnson, Jr.
patent: 3695554 (1972-10-01), Phillips
patent: 3813067 (1974-05-01), Mork
patent: 3830447 (1974-08-01), Phillips
patent: 3834653 (1974-09-01), Perkel
patent: 3937423 (1976-02-01), Johansen
patent: 3984071 (1976-10-01), Fleming
patent: 4062509 (1977-12-01), Muhlfelder et al.
patent: 4084773 (1978-04-01), Schmidt, Jr. et al.
patent: 4114841 (1978-09-01), Muhlfelder et al.
patent: 4230294 (1980-10-01), Pistiner
patent: 4288051 (1981-09-01), Goschel
patent: 4370716 (1983-01-01), Amieux
patent: 4424948 (1984-01-01), Muhlfelder et al.
patent: 4521855 (1985-06-01), Lehner et al.
patent: 4728062 (1988-03-01), Hubert
"Magnetotorquing for the Attitude Control of Geostationary Satellites", Proc. of AOCS Conference, Noordwijk, The Netherlands, Oct. 3-6, 1977, ESA SP 128, pp. 103-110, by J. L. Lacombe.
"Optimum Antenna Beam Pointing for Communication Satellites", AIAA 11th Communication Satellite Systems Conf., Mar. 17-20, 1986, San Diego, CA, Article No. AIAA-86-0613-CP, pp. 70-78, by J. E. Keigler et al.
"Three Axis Attitude Control of a Synchronous Communications Satellite", AIAA 3rd Communications Satellite System Conf., Los Angeles, CA, Apr. 6-8, 1970, Paper No. 70-456, pp. 1-7, J. U. Beusch et al.
"Satellite Attitude Control with a Gimbaled Reaction Wheel Digital Control System", Automatica, vol. 8, pp. 9-21, by C. H. Much et al.
"Satellite Earth-Pointing Attitude Control in the Absence of Yaw Sensing, Using a Double-Gimballed Momentum Wheel", J. British Interplanetary Society, vol. 27, pp. 443-458, 1974, by W. G. Hughes.
"High Pointing Accuracy with a Momentum Bias Attitude Control System", J. Guidance and Control, vol. 3, No. 3, May-Jun. 1980, Article No. 78-569R, pp. 195-202, by K. L. Lebsock.
"The Application of Magnetic Attitude Control to a Momentum-Biased, Synchronous Communications Satellite", AIAA Guidance and Control Conf., Boston, MA, Aug. 20-22, 1975, by G. E. Schmidt, Jr.
Furia Thomas J.
Hubert Carl H.
Muhlfelder Ludwig
Raman Kidambi V.
Berard Jr. Clement A.
Chin Gary
General Electric Company
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