温控形状记忆合金驱动的变面磁流变传动性能研究
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摘要
提出了一种温控变面磁流变传动方法,通过温控形状记忆合金弹簧来驱动磁流变液,使磁流变液的工作间隙由一面变为两面,增大了装置所能传递的转矩。基于圆盘式磁流变传动的特点,推导了装置在变面前后分别传递的转矩,探究了温度对磁流变液传递转矩的影响,并采用ANSYS有限元软件进行了磁场分析。结果表明,变面前在工作间隙h_1内的磁感应强度随半径的增大而增大;变面后在工作间隙h_2内磁感应强度先随半径增大而减小,然后再随半径的增大而增大;变面后在工作间隙h_3内磁感应强度随半径的增大而增大;装置变面后所能传递的转矩比变面前传递的转矩增大了91. 06%。
A method of temperature control variable surface magnetorheological transmission is put forward,the magnetorheological fluid is driven by means of a temperature-controlled shape memory alloy spring,so that the working space of the magnetorheological fluid from one to two,the torque that the device can deliver is increased. Based on the characteristics of disk magnetic fluid transmission,the torque transmitted separately before and after the variable face is derived,the influence of temperature on the transmission torque of magnetorheological fluid is explored,and the magnetic field analysis is carried out by ANSYS software. Results show that the magnetic induction intensity in the working space h_1 increases with the increase of the radius. In the working space h_2,the magnetic induction intensity decreases with the increase of radius and then increases with the increase of radius. In the working space h_3,the magnetic induction intensity increases with the increase of the radius. The torque transferred by the device increases by 91. 06% compared with the torque transmitted before the device.
A method of temperature control variable surface magnetorheological transmission is put forward,the magnetorheological fluid is driven by means of a temperature-controlled shape memory alloy spring,so that the working space of the magnetorheological fluid from one to two,the torque that the device can deliver is increased. Based on the characteristics of disk magnetic fluid transmission,the torque transmitted separately before and after the variable face is derived,the influence of temperature on the transmission torque of magnetorheological fluid is explored,and the magnetic field analysis is carried out by ANSYS software. Results show that the magnetic induction intensity in the working space h_1 increases with the increase of the radius. In the working space h_2,the magnetic induction intensity decreases with the increase of radius and then increases with the increase of radius. In the working space h_3,the magnetic induction intensity increases with the increase of the radius. The torque transferred by the device increases by 91. 06% compared with the torque transmitted before the device.
引文
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[2]肖林京,公绪波,朱绪力,等.磁流变液的制备及其剪切屈服应力研究[J].山东科技大学学报(自然科学版),2016,35(2):101-104.
[3]刘康凯,贺志荣,吴佩泽,等. Ti-Ni基形状记忆合金的特性及其影响因素研究进展[J].铸造技术,2017,38(7):1535-1539.
[4] MA J Z,HUANG H I,HUANG J. Characteristics analysis and testing of SMA spring actuator[J]. Advances in Materials Science and Engineering,2013,2013:1-6.
[5] MIRZAEIFAR R,DESROCHES R,YAVARI A. A combined analytical,numerical,and experimental study of shape-memory-alloy helical springs[J]. International Journal of Solids and Structures,2011,48(3/4):611-624.
[6]张秋香,任衍坤,王利锋,等.圆盘式磁流变液传动装置设计与仿真[J].机械传动,2016,40(7):76-78.
[7] HUANG J,ZHANG J Q,YANG Y,et al. Analysis and design of a cylindrical magneto-rheological fluid brake[J]. Journal of Materials Processing Technology,2002,129(1/3):559-562.
[8] DAI S Q,DU C B,YU G J. Design,testing and analysis of a novel composite magnetorheological fluid clutch[J]. Journal of Intelligent Material Systems&Structures,2013,24(14):1675-1682.
[9] ROSSA C,JAEGY A,LOZADA J,et al. Design considerations for magnetorheological brakes[J]. IEEE/ASME Transactions on Mechatronics,2014,19(5):1669-1680.
[10]任衍坤,张秋香,王冬冬,等.多盘式磁流变液传动装置设计与仿真[J].机械传动,2015,39(6):124-127.
[11] PARK E J,STOIKOV D,LUZ L F D,et al. A performance evaluation of an automotive magnetorheological brake design with a sliding mode controller[J]. Mechatronics,2006,16(7):405-416.
[12]黄金,乔臻,周轶.一种变体积百分数磁流变液风扇离合器:ZL2015108651857[P].2016-02-04.
[13]黄金,周轶,袁发鹏.圆盘式磁流变液变厚度传动性能研究[J].机械传动,2017,41(12):26-30.
[14]黄金,袁发鹏,周轶.圆盘与圆筒复合温控式磁流变传动性能研究[J].重庆理工大学学报(自然科学),2017,31(2):39-45.
[15]陈松,李峰,黄金,等.温度对磁流变液材料及传力性能的影响[J].材料导报,2015,29(16):151-155.