Engineering and Information Technology Collected Works - Research Publications

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Battery Balancing System and Method

Mareels, I ; Muenzel, V ; de Hoog, J ( 2015-02-12)

Provided is a battery balancing system arranged to be electrically connected to an external load and an auxiliary load, the system comprising a plurality of cell units, each being arranged to be connected in series with; i) the external load, or ii) the auxiliary load. The system also comprises a controller arranged to determine the state of charge of each of the cell units, and an electrical connection mechanism associated with each cell unit and arranged to be controlled by the controller' based on the determined state of charge of the associated ceil unit, wherein during a discharge cycle of the cell units each electrical connection mechanism is arranged to: I) electrically connect its associated cell unit to the external load in series with other ceil units, is) electrically connect its associated cell unit to the auxiliary load, alone or in series with other ceil units, or iii) electrically disconnect its associated ceil unit from the external load and the auxiliary load, in order to control the state of charge of each ceil unit. Also provided is a battery balancing system for a charge cycle and battery balancing methods.
Stability of Adaptive Systems Passivity and Averaging Analysis

Anderson, BDO ; Bitmead, RR ; Johnson, CR ; Kokotovic, PV ; Kosut, RL ; Mareels, IMY ; Praly, L (MIT Press (MA), 1986-01-01)