学术活动发布与订制系统

报告摘要：Wind turbine systems demand a high degree of reliability and availability and at the same time are characterized by expensive and safety critical maintenance work. The recently developed offshore wind turbines (OWTs) are foremost examples since the OWT site accessibility and system availability is not always ensured during or soon after malfunctions, primarily due to changing weather conditions. This has stimulated FTC research in this application area since the abilities to detect wind turbine faults and to control turbines in the presence of faults are important aspects of decreasing the cost of wind energy and increasing penetration into electrical grids. The main challenge within the FTC of OWTs is that the number of unmeasured inputs and unknown output signals exceed the number of measurements making the design of control robustness to these unknown signals a very difficult problem. Specifically, the worst operation scenario of the wind turbine benchmark occurs when the system is affected by faults in the rotor and generator rotational speed sensors, as well as generator torque bias faults and the lack of knowledge of the effective wind speed. Two approaches will be introduced to handle this challenging scenario based on: (1) the use of estimation and compensation concept with an interaction between the estimators to enhance the overall robustness of the closed-loop system. (2) Exploit the inherent robustness of the SMC against matched faults (i.e. the generator reference torque and the generator rotational speed) within estimation and compensation framework.

报告人简介：Prof Ron J. Patton is a fellow of the IEEE and senior Member of the AIAA and serves on the editorial boards of the Journal of Control Science and Engineering, the International Journal of Adaptive Control and Signal Processing and the International Journal of Applied Maths and Computer Science. Ron serves in the International Federation of Automatic Control (IFAC) as Vice-Chair of the Policy Committee. Ron’s research interests are fault tolerant control of complex systems and robust fault detection and estimation, www.hull.ac.uk/control. He has published 347 refereed articles, including 98 journal papers, 27 book chapters, 4 authored books and 4 edited books. Ron hosted the IFAC Symposium Safeprocess’97 at Hull. He was IPC Chair for the UKACC Conference Control 2008, Swansea, IPC Programme Chair for the Mediterranean Conference on Automation and Control, MED’08, Corsica June 2008 and was co-IPC Chair for the 7th IFAC Symposium Safeprocess’07. He is currently Honorary Chair for the IEEE Control Systems Society and IFAC cosponsored Conference on Control and Fault-Tolerant Systems SysTol’10, Nice, France 6–8th October 2010.