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共振型传感器用于爆震闭环控制系统的研究

Study on Closed-Loop Knocking Control System Using Resonance Knock Sensor
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摘要 目的 设计一种爆震闭环控制系统 ,在保证汽油机不发生爆震的前提下 ,使爆震闭环控制系统更好地发挥汽油机的动力性和经济性 .方法 用共振型传感器和峰值保持电路检测爆震 ,采用两参数点火提前角调节方法构成一个爆震闭环控制系统 ,并通过试验优化爆震基准 .结果与结论 试验结果表明 ,该闭环控制系统软硬件设计合理 ,控制方案可行 。 Aim To design a closed loop knock control system (KCS) in order to improve the power and economy of spark ignition (SI) engine, while preventing engine from knock. Methods A resonance type knock sensor and a peak value recorder circuit were used to detect engine knock, a two parameter ignition angle adjusting method was adopted, a closed loop knock control system was designed, and the knock limits were optimized by experiments. Results and Conclusion The experiments show that the design of the hard and software and ignition angle control strategy are feasible, the power and economy of the engine are improved.
出处 《北京理工大学学报》 EI CAS CSCD 1999年第6期705-709,共5页 Transactions of Beijing Institute of Technology
关键词 爆震 闭环控制 共振型传感器 汽油机 knock closed loop control resonance type sensor
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