DSCC 2013 Paper Abstract

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Paper MoBT6.4

Cooper, John (University of Connecticut), Cao, Chengyu (University of Connecticut), Tang, Jiong (University of Connecticut)

Control of a Nonlinear Pressure-Regulating Engine Bleed Valve in Aircraft Air Management Systems

Scheduled for presentation during the Invited session "Control, Monitoring, and Energy Harvesting of Vibratory Systems: Active Vibration Control-2" (MoBT6), Monday, October 21, 2013, 14:30−14:50, Room 134

6th Annual Dynamic Systems and Control Conference, October 21-23, 2020, Stanford University, Munger Center, Palo Alto, CA

This information is tentative and subject to change. Compiled on October 30, 2020

Keywords Aerospace

Abstract

This paper presents an adaptive control algorithm, based on the L1 adaptive control method, for controlling the pressure of engine bleed air in a commercial aircraft. The pressure is affected by a control valve that is part of a larger air management system which includes control valves for temperature and flow rate as well as a heat exchanger or precooler. A system model is presented including valve hysteresis due to backlash and dry friction. Simulations are conducted for a control valve subject to unmeasured disturbance, and the adaptive control results are compared to those of a traditional proportional-integral controller.

 

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