Research And Development Of3-TPS Parallel Platform Based On The Digital Prototype Technology

3-TPS parallel platform which has advantages of flexible movement, rigidity, the cumulative error is small and the high feed speed is the basis of new generation of processing equipmen in the field of machinery manufacturing in the21st century. To make sure that this new technology can be widely used in industrial production as soon as possible, there are so many problems about theoretical analyses, structural design, precision control and other issues need to be studied and solved.Firstly, this thesis analyzes the development of3-TPS parallel platform, meanwhile, the thesis discusses the modeling of the3-PRS parallel spindle platform, designing of control system and implement of3-RPS parallel platform, simulation research is also discussed. On the basis of3-RPS parallel platform kinematic equations, the thesis solves problems of the inverse position and kinematic analysis about parallel platform mechanism, the parallel platform model is built by using of Pro/e3-RPS, and then the3-RPS parallel platform kinematics and dynamics modeling are analyzed, providing convenient research methods for the3-PRS parallel design and development.Secondly, the hardware architecture of the parallel machine tool control system is analyzed; including the main control processor, multi-axis motion control card PMAC digital AC servo control system, and the parallel machine tool control system uses a Panasonic AC servo drives and AC servo motor. Control system is connected to the main control unit by the Advantech IPC and PMAC, the IPC to achieve human-computer interaction. Servo drives are used to receive the pulse signal from the PMAC motion control card and control the motor rotation.Finally, the co-simulation of3-RPS parallel platform dynamics and control system are discussed, and the3-RPS parallel platform for visual simulation model is developed, meanwhile, a data model, node model and DOF nodes of3-RPS parallel platform are builted. The simulation of3-RPS parallel platform movement in the VR environment is done, including the application of Vega unit, and reaching the achievment about simulation of the3-RPS parallel platform in virtual environments.