An effective vehicle integrated thermal management (VITM) system is critical for the safe and efficient operation of proton exchange membrane fuel cell (PEMFC) vehicles. The objectives of this paper are to model the VITM system and develop control strategies for the VITM system of fuel cell vehicles (FCVs). To do that, the VITM system model, based on the heating principle of each key component and heat transfer theory, was developed in KULI. The VITM system includes 5 loops for a prototype of range extender sport utility vehicle (SUV), which is powered by a 36 kW PEMFC stack and an 11 kW h Li-ion battery. Then, three steady-state and two transient working conditions of FCVs were selected to simulate. The results showed that the temperatures of all components were controlled within the required ranges, indicating that the VITM system achieves relatively positive cooling capacity and satisfies the requirements of thermal management control effect. It showed that the developed VITM system could analyse the impact on one loop and the integrated impact on the whole vehicle when the thermal state of one or several components changes, which is useful to guide the VITM system design of the PEMFC vehicles.

中文翻译：

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PEM燃料电池汽车整车集成热管理系统建模与控制

有效的车辆集成热管理 (VITM) 系统对于质子交换膜燃料电池 (PEMFC) 车辆的安全高效运行至关重要。本文的目标是对 VITM 系统进行建模，并为燃料电池汽车 (FCV) 的 VITM 系统开发控制策略。为此，KULI 开发了基于每个关键部件的加热原理和传热理论的 VITM 系统模型。VITM 系统包括用于增程型运动型多功能车 (SUV) 原型的 5 个回路，由 36 kW PEMFC 堆和 11 kW h 锂离子电池供电。然后，选择燃料电池汽车的三种稳态和两种瞬态工况进行仿真。结果表明，所有部件的温度都控制在要求的范围内，表明VITM系统实现了相对正的制冷量，满足了热管理控制效果的要求。结果表明，所开发的VITM系统可以分析单个或多个部件热状态变化时对单回路的影响和对整车的综合影响，对指导PEMFC汽车VITM系统设计具有指导意义。