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Modeling and control of a waste heat recovery system for integrated powertrain design optimization

机译：用于集成动力总成设计优化的废热回收系统的建模和控制

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The growing demand for increased vehicle efficiency has led to the introduction of waste heat recovery techniques in vehicle powertrains, with the organic Rankine cycle as the most interesting technique for automotive applications. In order to integrate the design of the waste heat recovery system into the design optimization of the full powertain, a novel modeling approach is suggested for capturing the key dynamics of a waste heat recovery system with low computational effort and number of design parameters, and which is scalable with the individual components of the cycle. The model is compared with a detailed finite volume model for a given organic Rankine cycle. Secondly, the organic Rankine cycle is integrated into a parallel hybrid vehicle model, and an optimization routine is proposed for obtaining the optimal control trajectories for the powertrain over a drive cycle. The main purpose of the waste heat recovery model designed in this paper in combination with the proposed optimization algorithm is to be used for powertrain design optimization studies.
机译：对提高汽车效率的日益增长的需求已导致在汽车动力总成系统中引入废热回收技术，有机朗肯循环是汽车应用中最有趣的技术。为了将废热回收系统的设计集成到整个动力室的设计优化中，提出了一种新颖的建模方法，该方法可以以较低的计算量和较少的设计参数来捕获废热回收系统的关键动态，并且可根据周期的各个组成部分进行扩展。对于给定的有机朗肯循环，将模型与详细的有限体积模型进行比较。其次，将有机朗肯循环集成到并行混合动力汽车模型中，并提出了一个优化例程，以获取整个驾驶循环中动力总成的最优控制轨迹。本文设计的余热回收模型的主要目的是结合提出的优化算法，用于动力总成设计的优化研究。

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