Electronic control of battery electric vehicles
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The paper defines the requirements of a traction control system and considers the characteristics of shunt wound and series wound motors for traction duties. Step control systems are briefly reviewed and their limitations discussed and methods of applying electrical braking to d.c. motors are outlined with particular reference to industrial trucks. Basic pulse control systems are reviewed and a recently introduced electronic vehicle controller, which incorporates several new techniques, is described and the novel features are examined in detail.