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Research on Multidisciplinary Design and Optimization Method of Three-Way Catalytic Converter for Vehicle Gasoline Engine

机译:车辆汽油发动机三元催化转化器多学科设计及优化方法研究

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Taking the flow field, temperature, pressure and stress of the three-way catalytic converter of automotive gasoline engine as the objective constraints, the multi-disciplinary optimization design objective function of the three-way catalytic converter of automotive gasoline engine is established. The flow field simulation, stress field simulation, temperature field simulation and pressure field simulation results of the three-way catalytic converter of automotive gasoline engine are obtained by using the fuzzy neural network. An agent model is established to optimize the proposed adaptive chaotic particle swarm optimization algorithm, and the optimal design parameters of three-way catalytic converter for automotive gasoline engine are obtained. The correctness of the research is verified by experiments.
机译:采用汽车汽油发动机三元催化转化器的流场,温度,压力和应力作为客观约束,建立了汽车汽油发动机三元催化转化器的多学科优化设计目标函数。采用模糊神经网络,获得了汽车汽油发动机三元催化转化器的流场仿真,应力场仿真,温度场仿真和压力场仿真结果。建立了代理模型以优化所提出的自适应混沌粒子群优化算法,并获得了汽车汽油发动机三元催化转换器的最佳设计参数。通过实验验证了研究的正确性。

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