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Primary Examiner: Smith, Jerry
Assistant Examiner:
Attorney: Mawhinney & Mawhinney & Connors

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Title: Optimizing control system for aircraft

Abstract: The disclosure of this invention pertains to a system for optimizing fuel consumption in an aircraft having two engines, wherein a computer is programmed to increase the fuel flow to the engine which, consequent upon a fuel flow perturbation, shows itself to be responsible for the greater acceleration of the aircraft. Direction changes resulting from unequal fuel flows to the engines are compensated for by automatic rudder control, and speed changes resulting from the fuel flow changes are compensated for by automatic speed control also acting on fuel flow, all whereby direction and speed of flight are maintained while fuel consumption is minimized.

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Other info:

Inventors: Eccles, Edward Stuart (Cheltenham, EN)
Moore, David James (Bristol, EN)

Application Number: 640862
Filing Date: 1975-12-15
Publication_date: 1977-07-26
Assignee: The Secretary of State for Defence in Her Britanic Majesty's government (London, EN)
Primary Class(es): 700/38 60/39.15, 60/710, 701/123
Other Classes:
US Patent Ref:

3174284	Mar, 1965	McCarthy	60/39.
3299630	Jan, 1967	Alper	60/39.
3403507	Oct, 1968	Schuster	60/39.
3517509	Jun, 1970	Bayati	60/39.
3758764	Sep, 1973	Harner	235/150.

Other Refs: Other References: Anderson et al., "A Self-Adjusting System for Optimum Dynamic Performance", IRE Nat'l Convention Record, vol. 6 pt. 4, 3-1958, pp. 182-190.
Douce et al., "A Self-Optimizing Non-Linear Control System", Proceedings of Inst. of Elec. Engineers, part B vol. 108 No. 40, 7-1961, pp. 441-448.