Application of linear-quadratic control theory to the solution of special nonconvex problems of global constrained optimization

2005 ◽  
Author(s):  
A.S. Matveev
Keyword(s):  
Control Theory ◽  
Constrained Optimization ◽  
Linear Quadratic Control ◽  
Linear Quadratic ◽  
Nonconvex Problems

Health-Aware and User-Involved Battery Charging Management for Electric Vehicles Using Linear Quadratic Control

2015 ◽  
Author(s):  
Huazhen Fang ◽  
Yebin Wang
Keyword(s):  
Control Theory ◽  
Electric Vehicles ◽  
User Satisfaction ◽  
User Involvement ◽  
Linear Quadratic Control ◽  
Health Awareness ◽  
Linear Quadratic ◽  
Battery Charging ◽  
Simulation Based ◽  
Battery Systems

This paper studies control-theory-enabled charging management for battery systems in electric vehicles (EVs). Charging is a crucial factor for the battery performance and life as well as EV users’ anxiety. Existing methods run with two shortcomings: insufficiency of battery health awareness during charging, and failure to include the user into the charging loop. To address such issues, we propose to perform charging that deals with both health protection and user-specified charging needs or objectives. Capitalizing on the linear quadratic control theory, a set of charging strategies are developed. A simulation-based study demonstrates their effectiveness and potential. We expect that charging with health awareness and user involvement will improve not only the battery longevity but also user satisfaction.

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