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首页> 外文会议>International Conference on Condition Monitoring and Asset Management >Modelling In-cylinder Pressures for Accurate Simulations of Instantaneous Angular Speed Responses to Combustion Faults in an IC Engine Powertrain
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Modelling In-cylinder Pressures for Accurate Simulations of Instantaneous Angular Speed Responses to Combustion Faults in an IC Engine Powertrain

机译：用于模拟缸压压力，精确模拟IC发动机动力总成中燃烧断层的瞬时角度响应

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Internal combustion (IC) engine based power trains are common transmissions used in many important industries such as trains, standby power supplies and marine propulsion. Conventional vibration based monitoring often needs a considerable number of sensors because of large layout of the system, which is cost-intense and difficult to operation. Aimed at developing a cost-effectives system, this study focuses on investigating accurate modelling of in-cylinder pressures for efficient simulation studies of instantaneous angular speed (IAS) responses under different fault cases in an IC engine based power train. The accuracy along with computational efficiency in constructing in-cylinder pressure are compared by using the polynomial modelling, Fourier series, Gaussian modelling and linear interpolation. The studies show that the Fourie series is more efficient and more accurate. Moreover, these simulated results provide the fundamentals for optimising the in-cylinder pressure prediction in solving an IAS based embedded system for monitoring IC engine based power trains.
机译：基于内燃（IC）基于发动机的动力列车是在许多重要行业中使用的常见传输，如列车，备用电源和海洋推进。基于振动的监测通常需要相当数量的传感器，因为系统的大量布局，这是成本强调和难以操作。本研究旨在开发成本效益系统，专注于研究基于IC发动机电力传动系统的不同故障情况下瞬时角速度（IAS）响应的瞬时角度速度（IAS）响应的准确建模。通过使用多项式建模，傅里叶系列，高斯建模和线性插值来比较通过构造缸内压力计算效率的准确度。研究表明，Fourie系列更有效，更准确。此外，这些模拟结果提供了优化基于IAS基于IC发动机的电力列车的IAS基于嵌入式系统的缸内压力预测的基础。

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