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ECE4510/ECE5510, INTRODUCTION TO FEEDBACK CONTROL 1–13

Our research area: xEV applications of control systems

At UCCS, our research is focused on applications of control systems

to hybr id- and electric-vehicle battery management.

• The battery is the heaviest and most expensive component in the

electric drivetrain.

• Battery packs are presently over-designed/underutilized in an

effort to extend life.

• Understanding the physical mechanisms that degrade life, and

controlling battery packs to avoid conditions that accelerate these

mechanisms will extend life.

In the past, we have had projects in topics including:

• Collecting data from laboratory tests to understand ideal-cell and

degradation dynamics.

• Modeling hysteresis effects in battery cell voltage.

• Making reduced-order models of full-order physics models of cells.

• Using model-predictive controls for fast-charge.

Presently, we have projects in topics including:

• Optimal balancing of cells in a large battery pack.

• Building a hardware battery pack simulator.

• Building a hardware battery management system.

• Internal state estimation of battery cells.

• Reduced-order degradation m odels of battery cells.

• System identiﬁcation of battery cell model parameters.

• Physics-based power limits to optimize life.

Lecture notes prepared by and copyright

! 1998–2013, Gregory L. Plett and M. Scott Trimboli

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APC UCCS Temperature Control Manual do Utilizador Página 13