1、 本科毕业设计本科毕业设计 题目题目 氢电混动场地车混合驱动控制系统设计氢电混动场地车混合驱动控制系统设计 II 摘摘 要要 现在随着资源紧缺和环境污染这两个问题的日渐加重，研发和使用新能源汽车已经成 为未来汽车发展的一个必然方向。然而汽车新能源发展任重而道远，但是混合动力电动汽 车以其污染少，低噪音，高效和消耗低等特点，已被世界汽车业看作是目前最可行的一种 清洁汽车方案。 氢电混动场地车混合驱动控制系统设计是要优化控制一种低成本、高性能的三种动力 源即燃料电池、蓄电池和超级电容的混合动力系统方案。混合动力汽车采用多种动力源的 动力系统结构，需对其能量流动进行有效的控制。我们用了一种新型的混合
2、动力电动汽车 即用电电混合能量流方案，实现混合动力汽车电电混合能量流的转换。通过在燃料电池、 蓄电池以及超级电容三个动力源中有效的加入双向 DC/DC 变换器进行能量的转换，就可以 使燃料电池的效率提高，满足了不同情况时对能量的要求。实现混合动力电动汽车电电混 合能量最大化的利用。证明了这种电电混合动力系统高效、安全的优越性，同时对保障混 合动力系统工作状态平稳，延长蓄电池的工作寿命有非常重要的意义。 我们采用了适合该系统的 PLC 控制策略,并优化重要参数使整车的系统达到最优状态。 结果表明,混合动力电动汽车的三种动力源混合系统能够在满足功能的情况下,快速、稳 定、高效的运行,降低了能耗,改
3、善了经济性。 关键词：混合动力电动汽车，优化控制，燃料电池，控制策略，能量分配 III ABSTRACT Now with the shortage of resources and environmental pollution of the two problem is increasingly serious, the development and use of new energy vehicles has become an inevitable trend of future car development. However, the car of new energy deve
4、lopment has a long way to go, but the hybrid electric vehicles with its low pollution, low noise, high efficiency and low consumption, has been the world automobile industry as a clean car program is the most feasible. Hydrogen and electricity hybrid field vehicle hybrid control system design is to
5、optimize the three kinds of power control of a low cost, high performance of the fuel cell, battery and super capacitor hybrid power system. Hybrid cars use power system structure of a variety of power source, need to control the flow of energy. We use a new type of hybrid electric vehicle with elec
6、tric electric hybrid energy flow scheme, realize the conversion of hybrid electric vehicle electric electric hybrid energy flow. Conversion of energy in the fuel cell, battery and super capacitor three power sources effectively join the bi-directional DC/DC converter, you can make the efficiency of the fuel cell improve, meet the requirements for energy in different conditions. Realization of the use of hybrid hybrid electric vehicle energy maximum. To demonstrate the superiority of the hybr
