压电喷油器压电执行器热-电-机械耦合迟滞特性
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摘要
针对所开发的压电式共轨喷油器,采用压电执行器作为驱动元件,为了更好地对这类执行器的潜力进行开发,试验研究了压电执行器在准静态条件下的热-电-机械耦合特性。结果表明:在200~1200N范围内,位移随着预紧力呈先增大后减小趋势;在25~80℃范围内,位移整体呈增大趋势,但随着温度升高,增长趋势逐渐变缓。一个包括压电堆迟滞特性和温度影响的数学模型被用来对试验结果进行模拟,仿真与试验结果具有良好的一致性。
To develop a piezoelectric common rail injection,the piezoelectric stack actuator was selected as the driving element.In order to exploit the potential of this kind actuation,the thermoelectro-mechanical behavior of the piezoelectric actuator was investigated by experiment,with maximum voltage of 150 Vunder different mechanical loads and different temperatures.Results show that,as the load increases from 200 Nto 2000 N,the displacement increases first,and then decreases.In the temperature range of 25?C to 80 ?C,the displacement increase with the temperature,but this trend gradually slows down.A mathematical model based on the hysteresis and temperature effects is applied to simulate the experiment data,and the simulation results show reasonable agreement with the experiment results.
To develop a piezoelectric common rail injection,the piezoelectric stack actuator was selected as the driving element.In order to exploit the potential of this kind actuation,the thermoelectro-mechanical behavior of the piezoelectric actuator was investigated by experiment,with maximum voltage of 150 Vunder different mechanical loads and different temperatures.Results show that,as the load increases from 200 Nto 2000 N,the displacement increases first,and then decreases.In the temperature range of 25?C to 80 ?C,the displacement increase with the temperature,but this trend gradually slows down.A mathematical model based on the hysteresis and temperature effects is applied to simulate the experiment data,and the simulation results show reasonable agreement with the experiment results.
引文
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[13]Quant M,Elizalde H,Flores A,et al.A comprehensive model for piezo ceramic actuators:modelling,validation and application[J].Smart Materials and Structures,2009,18(12):125011.
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[15]Ossart F,Meunier G.Comparison between various hysteresis models and experimental data[J].Journal of Applied Physics,1990,67(9):5379-5381.
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[17]Fukada E.History and recent progress in piezoelectric polymers[J].IEEE Transactions on Ultrasonics,Ferroelectrics and Frequent Control,2000,47(6):1277-1290.
[18]Leonardo A,Andrea T.Piezoelectric injectors for automotive applications:modeling and experimental validation of hysteretic behavior and temperature effects[J].Journal of Dynamic Systems,Measurement and Control,2013,135(1):011005.
[2]卫海桥,裴自刚,冯登全,等.压电喷油器多次喷射对GDI汽油机颗粒物排放的影响[J].吉林大学学报:工学版,2016,42(1):1-8.Wei Hai-qiao,Pei Zi-gang,Feng Deng-quan,et al.Effect of multi-injection with piezo injection on particulate emission in gasoline direct injection engine[J].Journal of Jilin University(Engineering and Technology Edition),2016,42(1):1-8.
[3]高长银.压电效应新技术及其应用[M].北京:电子工业出版社,2011.
[4]Webber K G,Franzbach D J,Koruza J,et al.Determination of the true operational range of a piezoelectric actuator[J].Am Ceram Soc,2014,97(9):2842-2849.
[5]Jiang W,Zhang R,Jiang B,et al.Characterization of piezoelectric materials with large piezoelectric and electromechanical coupling coefficients[J].Ultrasonics,2003,41(2):55-63.
[6]Senousy M S,Li F X,Mumford D,et al.Thermo-electro-mechanical performance of piezoelectric stack actuators for fuel injector applications[J].Journal of Intelligent Material Systems and Structures,2009,20(4):387-399.
[7]Han Y M,Moo B K,Choi S B.Control performance investigation of piezoelectric actuators under variation of external heat environment[J].Trans Korean Soc Noise Vib Eng,2015,25(10):707-713.
[8]Butcher M,Davino D,Masi A,et al.An experimental evaluation of the fully coupled hysteretic electromechanical behavior of piezoelectric actuators[J].Physica B,2016,486:116-120.
[9]Senousy M,Rajapakse R,Gadala M.Experimental investigation and theoretical modeling of piezoelectric actuators used in fuel injectors[J].IUTAM Bookseries,2011,24:219-227.
[10]Koruza J,Franzbach D J,Schader F,et al.Enhancing the operational range of piezoelectric actuators by uniaxial compressive preloading[J].Applied Physics,2015,48(21):215-302.
[11]Dittmer R,Webber K G,Aulbach E,et al.Optimal working regime of lead-zirconate-titanate for actuation applications[J].Sensors and Actuators A Physical,2013,189(2):187-194.
[12]Lin S I E.The theoretical and experimental studies of a circular multi-layered annular piezoelectric actuator[J].Sensors and Actuators A Physical,2011,165(2):280-287.
[13]Quant M,Elizalde H,Flores A,et al.A comprehensive model for piezo ceramic actuators:modelling,validation and application[J].Smart Materials and Structures,2009,18(12):125011.
[14]Xu Q S,Li Y M.Dahl model-based hysteresis compensation and precise positioning control of an XY parallel micromanipulator with piezoelectric actuation[J].Journal of Dynamic Systems,Measurement and Control,2010,132(4):041011.
[15]Ossart F,Meunier G.Comparison between various hysteresis models and experimental data[J].Journal of Applied Physics,1990,67(9):5379-5381.
[16]Grunbichler H,Kreith J,Bermejo R,et al.Influence of the load dependent material properties on the performance of multilayer piezoelectric actuators[J].Springer Netherlands,2011,24:243-253.
[17]Fukada E.History and recent progress in piezoelectric polymers[J].IEEE Transactions on Ultrasonics,Ferroelectrics and Frequent Control,2000,47(6):1277-1290.
[18]Leonardo A,Andrea T.Piezoelectric injectors for automotive applications:modeling and experimental validation of hysteretic behavior and temperature effects[J].Journal of Dynamic Systems,Measurement and Control,2013,135(1):011005.