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Noise-induced tracking error in PI controlled systems with sensor saturation

Title
Noise-induced tracking error in PI controlled systems with sensor saturation
Authors
Lee, JuseungEun, Yongsoon
DGIST Authors
Eun, Yongsoon
Issue Date
2019-07-11
Citation
2019 American Control Conference, ACC 2019, 579-584
Type
Conference
ISBN
9781538679265
ISSN
0743-1619
Abstract
Tracking loss due to zero mean measurement noise has been discovered in feedback control systems with saturating actuators. This phenomenon was named as 'Noise-Induced Tracking Error (NITE)' and was analyzed for several types of feedback control systems in previous work. In this paper, we show that a similar phenomenon occurs in feedback control systems with saturating sensors. Specifically, in a class of PI controlled systems with saturating sensors, we show that NITE occurs, and quantify it, using stochastic averaging, in terms of system parameters and noise characteristics. The result is both qualitatively and quantitatively different from that for the systems with saturating actuators. Simulation results are provided for validation of analysis. © 2019 American Automatic Control Council.
URI
http://hdl.handle.net/20.500.11750/10877
Publisher
Institute of Electrical and Electronics Engineers Inc.
Related Researcher
  • Author Eun, Yongsoon DSC Lab(Dynamic Systems and Control Laboratory)
  • Research Interests Resilient control systems; Control systems with nonlinear sensors and actuators; Quasi-linear control systems; Intelligent transportation systems; Networked control systems
Files:
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Collection:
Department of Information and Communication EngineeringDSC Lab(Dynamic Systems and Control Laboratory)2. Conference Papers


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