Coordinated Control of Multi-Degree-of Freedom Fuel Systems

Paper #:
  • 971559

Published:
  • 1997-04-01
Citation:
Anakwa, W., Lukich, M., and Barnes, T., "Coordinated Control of Multi-Degree-of Freedom Fuel Systems," SAE Technical Paper 971559, 1997, https://doi.org/10.4271/971559.
Pages:
13
Abstract:
This paper identifies potential performance benefits and computational costs of applying advanced multivariable control theory concepts to coordinate the control of a general multi-degree-of-freedom fuel system. The control variables are injection duration and pressure. The focus is on the design of a robust multi-input multi-output controller using H-infinity and mu synthesis methodology to coordinate the control of injection duration and pressure; reduce overshoots and system sensitivity to parameter variations caused by component aging. Model reduction techniques are used to reduce the order of the H-infinity controller to make it practically implementable. Computer simulation is used to test the robust performance of a generic engine and fuel system model controlled by the reduced order H-infinity controller and a traditional proportional plus integral controller.
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