面向高性能、长寿命和低成本车用燃料电池动力系统建模与控制研究

The high performance, long lifetime and low cost Fuel Cell hybrid powertrain was one of the developing trends for future automotive. The performance, durability and cost of the fuel cell powertrain system were mainly influenced by the factors such as drive cycle conditions, powertrain system configurations, energy management strategies and control algorithms. This project overviewed the status and future requirements of the industry, promoted a new kinds fuel cell hybrid powertrain with higher performance, better durability and lower cost. Modelling and control based on the systems material flow, energy flow and information flow would carried out. And the research contents mainly consisted of: 1) the dynamic model of fuel cell stack system, which including the mean value model of the cell, the variations of each cell and the model for accessories including air sub-system, hydrogen sub-system and thermal recovery sub-system; 2) the state estimation and robust control of fuel cell system based on the physical model; 3) the modeling and prediction of fuel cell stack durability; 4) the economy and durability oriented multi-object energy management and optimization for hybrid powertrain. The target of this research it to build up the new generation of fuel cell hybrid powertrain with higher performance, better durability and lower cost. This project belongs to the interdisciplinary between power engineering, energy engineering and electrical engineering. The results of this research would be helpful for the engineering design of the fuel cell system and it is very important to the industry.

高性能、长寿命、低成本的车用燃料电池动力系统是未来车用动力系统的重要发展方向之一，车用燃料电池动力系统的性能、寿命和成本主要受道路工况、系统设计、能量管理和控制策略等因素影响。本项目从产业现状和需求出发，提出一种新型高性能、长寿命、低成本的燃料电池混合动力系统，并针对该系统的物质流、能量流、信息流特性，开展建模和控制的研究，主要包括：1）燃料电池系统动态建模，包括燃料电池单体平均值模型、单体不一致性模型、外围附件动态模型（空气、氢气、余热利用等）；2）基于模型的燃料电池系统状态观测和鲁棒控制；3）燃料电池动力系统的耐久性模型和寿命预测；4）以经济性和耐久性为优化目标的混合动力系统的能量管理和参数优化。通过上述研究形成新一代高性能长寿命低成本车用氢燃料电池动力系统技术体系。本项目属于动力工程、能源工程和电气工程的交叉领域，研究结果将为燃料电池系统工程化设计提供理论指导，促进行业发展。