This paper presents an adaptive controller for pressure control using an engine bleed valve in an aircraft air management system (AMS). The air management system is composed of two pressure-regulating bleed valves, a temperature control valve, a flow control valve, and a heat exchanger/precooler. Valve hysteresis due to backlash and dry friction is included in the system model. The nonlinearities involved in the system cause oscillations under linear controllers, which decrease component life. This paper is the unique in the consideration of these uncertainties for control design. This paper presents simulation results using the adaptive controller and compares them to those using a proportional–integral (PI) controller.
L1 Adaptive Control for Aircraft Air Management System Pressure-Regulating Bleed Valve
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received September 18, 2016; final manuscript received May 10, 2017; published online August 10, 2017. Assoc. Editor: Yang Shi.
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Cooper, J., Cao, C., and Tang, J. (August 10, 2017). "L1 Adaptive Control for Aircraft Air Management System Pressure-Regulating Bleed Valve." ASME. J. Dyn. Sys., Meas., Control. December 2017; 139(12): 121005. https://doi.org/10.1115/1.4036949
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