| 高压共轨柴油机压电喷油器的驱动响应特性 |
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| 引用本文： | 苏瑜,周文华,庄福如,竺春狄.高压共轨柴油机压电喷油器的驱动响应特性[J].江南大学学报(自然科学版),2009,8(2). |
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| 作者姓名： | 苏瑜 周文华 庄福如 竺春狄 |
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| 作者单位： | 1. 浙江大学,机械与能源工程学院,浙江,杭州,310027
2. 一汽无锡油泵油嘴研究所,江苏,无锡,214063 |
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| 摘 要： | 基于高压共轨柴油机压电喷油器的工作原理,设计了驱动电路,讨论了该驱动电路对执行器的保护及能量回收特性.建立了电路的数学模型,通过对模型的分析及仿真,探讨了采用脉宽调制(PWM)驱动方式时执行器响应特性与脉宽调制频率的关系,以及驱动回路阻抗对执行器响应特性的影响.以仿真结果为依据进行了试验,验证了模型以及仿真分析的正确性.对比试验的结果表明:相对电磁阀式喷油器而言,压电喷油器的驱动响应快、工作稳定,能够更好地满足高压共轨燃油喷射系统的要求.
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| 关 键 词： | 共轨 压电晶体喷油器 驱动 响应 |
Research on Responsibility of Piezoelectric Injector Driver Circuit for High Pressure Common Rail Diesel Engine |
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| SU Yu,ZHOU Wen-hua,ZHUANG Fu-ru,ZHU Chun-di.Research on Responsibility of Piezoelectric Injector Driver Circuit for High Pressure Common Rail Diesel Engine[J].Journal of Southern Yangtze University:Natural Science Edition,2009,8(2). |
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| Authors: | SU Yu ZHOU Wen-hua ZHUANG Fu-ru ZHU Chun-di |
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| Institution: | 1.College of Mechanical and Energy Engineering;Zhejiang University;Hangzhou 310027;China;2.FAW Wuxi Fuel Injection Equipment Research Institute;Wuxi 214063;China |
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| Abstract: | Based on the working principle of piezoelectric injector for high pressure common rail diesel engine,the driving circuit was designed.The characteristics of actuator protection and energy recovery were discussed.A model for the driving circuit was developed.According to model analysis and simulation,the relation among actuator responsibility,the frequency of pulse width modulation(PWM) and the effects of circuit resistance were investigated.The experiment based on the simulation verifies the effectiveness o... |
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| Keywords: | common rail piezoelectric injector driver responsibility |
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