Full flight regime autothrottle control system

Details Full flight regime autothrottle control system Full flight regime autothrottle control system

1980-05-23

1986-02-04

Smith, Jerry

Boots, shoes, and leggings

244182, 244188, 364433, 364434, G05D 108, G06F 1550

Patent

active

045690219

ABSTRACT:
A Mach hold control circuit for an aircraft autothrottle system provides capture of a Mach number and control thereto while providing a low level of throttle activity also stabilizing the aircraft at maximum range cruise (MRC) Mach numbers and above. The Mach hold control law utilizes a Mach error signal, flight path acceleration signal, average engine EPR signal, and associated logic inputs and when interfaced with the autothrottle system provides a throttle rate command to the aircraft engines via. the throttle and engine control system thereby modulating engine thrust to provide control to desired flight Mach number.

REFERENCES:
patent: 2950075 (1960-08-01), Owen
patent: 3691356 (1972-09-01), Miller
patent: 3813063 (1974-05-01), Martin
patent: 3981442 (1976-09-01), Smith
patent: 4044975 (1977-08-01), Blechen et al.
R. F. Stengel et al., "Energy Management for Fuel Conservation in Transport Aircraft," IEEE Trans. on Aerospace & Elec. Sys., vol. AES-12, No. 4, Jul. 1976, pp. 464-470.

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