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Control of Air-to-Fuel ratio of spark ignited engine using super twisting algorithm

机译：使用超扭曲算法控制火花点火发动机的空气到燃料比

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Mean Value Engine Model of Spark Ignited Internal Combustion Engine (fourth order) suitable for the control of Air-to-Fuel ratio has been developed. Air-to-Fuel ratio plays a key role in engine operation concerning numerous aspects of the performance. These include fuel efficiency, smooth operation, components of engine exhaust, torque output and many others. Aforementioned are aspects of performance which are prettily affected by degraded Air-to-Fuel ratio both during transient and steady state operation. Deviation of air-to-fuel ratio from its ideal value merely occurs due to difference in required mass flow rate of fuel which would, in such case, not be in proper proportion. For the purpose; super-twisting algorithm (HOSM) based controller is developed. Self convergent and inherent robust nature of super twisting algorithm proves to be advantageous in control of Air-to-Fuel ratio. Performance of the controller is analyzed against variation in different parameters of the fuel system and corresponding change in actuation of the controller is discussed.
机译：开发了用于控制空气 - 燃料比的火花点燃内燃机（第四阶）的平均值发动机模型。空气到燃料比在发动机操作中发挥关键作用，了解了众多性能的方面。这些包括燃油效率，操作平滑，发动机排气，扭矩输出等的组件。上述是在瞬态和稳态运行期间通过降低的空气 - 燃料比受到降低的空气 - 燃料比的性能方面。由于燃料所需质量流量的差异，在这种情况下，由于所需的质量流速的差异而言，燃料的差异也不是以适当的比例而发生的，燃料比的偏离仅发生。为目的;开发了超扭曲算法（HOSM）的控制器。超扭曲算法的自我收敛和固有的鲁棒性质证明是有利的，控制空气到燃料比。控制器的性能与燃料系统的不同参数的变化分析，并且讨论了控制器的致动的相应变化。

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