Multi-body model of a 3-RRC parallel robot is built and Kinematic simulation is carried out based on the software ADAMS.Through the measuring tools and spline function,the direct kinematics solution of 3-RRC parallel robot is worked out.It is proved that the direct kinematics solution method of 3-RRC parallel Robot presented is effective and rapid.
文章介绍了常见交换机的一些维护经验,分析了维护中遇到的一些典型问题,给出了处理方法。
随着我国基础建设的大力发展,涉及到了许多岩体土建工程。如何准确分析土体边坡的稳定性、提出既经济又安全的最优化方案,是人们长期以来不断探索的关键技术问题。论文介绍了基于石英挠性伺服加速度计作为敏感元件的自动测斜装置,介绍了该仪器的工作原理、组成及各部分电路的特点,通过实践表明,该仪器测试数据可靠,操作简便。
The temperature examining device consists of the preceding extremity system which collects outside temperature to Chip Microprocessor and the PC set which is backstage supporter.It achieves the longrange collecting.The device collects the outside temperature by the temperature sensor,and performs A/D conversion by the digital potentiometer 9313.The Chip Microprocessor system transmits the data to the PC set through the RS-232 interface.The PC set controls the Chip Microprocessor to achieve data's real time receiving,saving and drawing out visualized chart upon display.It can make the regulation work automatic.Compared with general methods using A/D→digital control→D/A,it has many advantages such as simple structure,user-friendly,higher measurement accuracy and reliability,which can be widely used industrial temperature measurement.