Design Of The Data Processing System For Articulated Coordinate Measuring Machine

Parallel Dual-joint Coordinate Measuring Machine is a kind of non-orthogonal Coordinate Measuring Machine developing in recent years.lt has the advantages of low cost,flexible movement,open measuring space,suitable for field measurement,etc.The main goal of data processing system design is to provide a circuit system for Parallel Dual-joint Coordinate Measuring Machine,which is accurate,low cost and fast.The data processing system can complete the grating signal acquisition and processing,and realize the communication with upper machine.The following work are mainly done in this design.(1)Force feedback system of Parallel Dual-joint Coordinates Measuring Machine is designed to control servo Motor through the force sensor and servo driver.The force feedback system of Parallel dual-joint coordinate measuring machine can improve coordinate measuring machine operation and reduce the influence on the precision when measuring machine probe moved.(2)Grating signal acquisition hardware circuit is designed based on the FPGA technology, including selecting the core device of each function module, circuit design,It mainly includes the design of signal processing circuit and communication circuit.(3)The software is designed on the basis of finishing debugging the hardware circuit,including signal acquisition and processing,and communication with PC.Here is mainly the firm ware development,using Verilog HDL language programming to realize the function of the circuit.(4)The PC software is designed which can further process signals from lower computer.The Labview program is designed to make acquisition signal into more intuitive data and display,store data and do some geometric quantity calculation.(5)The designed data processing system is demonstrated feasibility and reliability by experiments.