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Adaptive control of speed and equivalence ratio dynamics of a diesel driven power-plant

机译：柴油机动力装置的速度和当量比动力学的自适应控制

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摘要

A method of modeling, involving approximation of dead-times, is presented for diesel driven power prime-movers. The resulting predictive adaptive control scheme is compared to a conventional PI scheme on the basis of common disturbances encountered by a practical prime-mover. It is found that the adaptive scheme achieves significant improvement despite the nonlinearities introduced by turbocharger operation. It is observed in general that adaptive schemes, such as the one described, affect the prime-mover dynamics in essentially two ways. First, the engine fuel-flow response is improved by better control of the actuator. Secondly, by indirectly controlling the exhaust energy of the plant, the turbocharger air-dynamics is made faster, leading to better dynamic fuel/air ratio. The overall effect is good response of the prime-mover speed notwithstanding the fact that the diesel prime-mover is a low inertia structure and that the system parameters suffer from various nonlinear variations.
机译：提出了一种建模方法，其中涉及空载时间的近似值，适用于柴油驱动的动力原动机。在实际的原动机遇到的常见干扰的基础上，将所得的预测自适应控制方案与常规PI方案进行比较。发现尽管涡轮增压器操作引入了非线性，但是自适应方案仍实现了显着的改进。通常观察到，诸如所述的自适应方案基本上以两种方式影响原动机运动。首先，通过更好地控制执行器可以改善发动机的燃油流量响应。其次，通过间接控制设备的排气能量，可使涡轮增压器的空气动力学更快，从而获得更好的动态燃料/空气比。尽管柴油发动机是低惯量结构，而且系统参数存在各种非线性变化，但总体效果是发动机对发动机转速的良好响应。

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