【摘要】 磁流变阻尼器作为磁流变技术最新应用于气压伺服结构,其动态特性是磁流变技术特性检验的重点。针对磁流变阻尼器自身以及应用环境的特点,通过采用先进的虚拟仪器技术,做出具有较高交互性操作效率的虚拟仪器系统,然后在低速运行的条件下设定系统的目标速度和起始控制点,对新型磁流变阻尼器在传动系统中的速度稳定性以及位置控制的高精度定位特性进行测试。系统设计中对PWM电流控制器的可能产生的误差做出高效率的处理程序设计,并在虚拟仪器的数据采集硬件、通讯接口方面以提高数据交换效率为目的进行了规划,使得数据采集体系与虚拟仪器上位机的操作软件紧密配合,在完成对阻尼器的性能测试的同时体现出虚拟仪器技术的优势及特点。更多还原

【Abstract】 With the application of magnetorheological fluid damper in the system of pneumatic transmission,testing of the dynamitic property of the damper is a crucial task.The low different velocity and the initialization control point have been tested in the technology of the new model of MRF damper used in the pneumatic transmission system in accordance with the properties of the damper itself and the architecture of the pneumatic transmission system.Velocity stability and high-precision stage should be real-time detected.Program with high efficiency was designed for the possible error in the working process of current circuit regulator of PWM.Furthermore,the process to improve efficiency of the data acquisition system and the communication interface has been programmed by combining it with the software of advance-computer based on virtual instrument technology.A better technical feature of VI technology is displayed with the results from the experimental measurement system.更多还原