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首页> 外文会议>ASME international design engineering technical conferences and computers and information in engineering conference 2013 >AN INVESTIGATION OF THE WARD LEONARD SYSTEM FOR USE IN A HYBRID OR ELECTRIC PASSENGER VEHICLE
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AN INVESTIGATION OF THE WARD LEONARD SYSTEM FOR USE IN A HYBRID OR ELECTRIC PASSENGER VEHICLE

机译：混合动力或电动客车上使用的WARD LEONARD系统的调查

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Since the early 1900's demand for fuel efficient vehicles has motivated the development of electric and hybrid electric vehicles. Unfortunately, some components used in these vehicles are expensive and complex. Todays consumer electric vehicles use dangerously high voltage, expensive electronic controllers, complex battery management systems and AC motors. The goal of this research at BYU is to increase safety by lowering the operating voltage and decrease cost by eliminating expensive controllers and decrease the number of battery cells. This paper specifically examines the use of a Ward Leonard Motor Control system for use in a passenger vehicle. The Ward Leonard System provides an alternative control method to expensive and complex systems used today. A Control Factor metric was developed as a result of this research to measure the Ward Leonard System's ability to reduce the size and cost of the electronic controller for application in an EV or HEV. A bench top model of the Ward Leonard system was tested validating the Control Factor metric. The Ward Leonard system is capable of reducing the controller size by 77% and potentially reducing its cost by this amount or more. This work also provides performance characteristics for automotive designers and offers several design alternatives for EV and HEV architectures allowing a reduction in voltage, the use of AC inverters, AC motors, expensive controllers and high cell count battery packs.
机译：自1900年代初以来，对节油汽车的需求推动了电动和混合动力电动汽车的发展。不幸的是，这些车辆中使用的某些部件昂贵且复杂。如今的电动汽车使用危险的高压，昂贵的电子控制器，复杂的电池管理系统和交流电动机。 BYU这项研究的目标是通过降低工作电压来提高安全性，并通过消除昂贵的控制器并减少电池单元的数量来降低成本。本文专门研究了沃德伦纳德电机控制系统在乘用车中的使用。 Ward Leonard系统为当今使用的昂贵和复杂的系统提供了一种替代控制方法。这项研究的结果是开发了一种控制因子度量标准，用于测量Ward Leonard System减小用于EV或HEV的电子控制器的尺寸和成本的能力。对Ward Leonard系统的台式模型进行了测试，以验证控制因子指标。 Ward Leonard系统能够将控制器尺寸减小77％，并有可能将其成本降低此数量或更多。这项工作还为汽车设计师提供了性能特征，并为EV和HEV架构提供了多种设计选择，从而可以降低电压，使用AC逆变器，AC电动机，昂贵的控制器和高电池电量的电池组。

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