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Combustion Variation Control Strategy with Thermal Efficiency Optimization Consideration in Lean Condition

机译：精益条件热效率优化考虑燃烧变化控制策略

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A widespread consensus among internal combustion engine researchers is that higher thermal efficiency can be achieved by lean combustion. However the increasing combustion variation is often regarded as the bottleneck of thermal efficiency maximization. In this paper, a combustion variation control strategy with consideration of thermal efficiency optimization is proposed. This proposed strategy consists of two main components. One focuses on cycle-to-cycle and cylinder-to-cylinder variation restrain and another provides the extremum seeking of spark advance for thermal efficiency maximization. The effectiveness and performance of the proposed method are experimentally validated on a production gasoline engine test bench.
机译：内燃机研究人员之间的广泛共识是通过贫燃烧可以实现更高的热效率。然而，燃烧变化的增加通常被认为是热效率最大化的瓶颈。本文提出了考虑热效率优化的燃烧变化控制策略。这一拟议的策略包括两个主要组成部分。一个专注于循环到周期和圆柱缸变化抑制，另一个提供了热效率最大化的火花前进的极值。所提出的方法的有效性和性能在生产汽油发动机试验台上进行了实验验证。

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