Power Seminar with Ian Hiskens: Modelling, Dynamics and Control of Aggregate Load Models

When

March 21, 2023    
1:10 pm - 2:00 pm

Where

3043 ECpE Bldg Addition
Coover Hall, Ames

Event Type

 

Modelling, Dynamics and Control of Aggregate Load Models 

 

Abstract: Analysis, simulation and control of large populations (ensembles) of small loads is achieved using aggregate load models. Of particular interest are loads that operate according to hysteresis controls, for example thermostatically controlled loads (TCLs) such as residential air-conditioners and heat pumps. So-called bin models form the basis for such load aggregation. The presentation will consider the accuracy and fidelity of bin models. Focusing on residential air-conditioners, it will explore bin model extensions that cater for temperature delay and multi-zone interactions. Various load ensemble control strategies are prone to undesirable, highly nonlinear forms of behaviour including synchronization, sustained oscillations and bifurcations. The nature of such dynamic behaviour will be explored and the implications for controller design will be considered.  

Bio: Ian A. Hiskens is the Vennema Professor of Engineering in the Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor. He has held prior appointments with the Queensland electricity supply industry, and various universities in Australia and the United States. His research interests lie at the intersection of power system analysis and systems theory, with recent activity focused largely on integration of renewable generation and controllable loads. Dr. Hiskens is involved in numerous IEEE

activities in the Power and Energy Society, Control Systems Society, Circuits and Systems Society and Smart Grid Initiative, and has served as VP-Finance of the IEEE Systems Council. He is a member of the

Editorial Board of the Proceedings of the IEEE. He is a Fellow of IEEE and a Fellow of Engineers Australia. Dr. Hiskens is a Chartered Professional Engineer in Australia, and the 2020 recipient of the M.A. Sargent Medal from Engineers Australia.

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