Research On The Lab View State Machine And The Application On Motion Control

LabVIEW State Machine is an important program structure model of virtualinstrument. It can add the state of the specified in advance. Several tasks can beexecuted in a state parallelly. The state’s transformation can be realized byprogramming and external trigger events,and then the system will jump to the state forexecuting relevant code. In the field of industrial automation, LabVIEW statemachine has a wide range of applications and evolve into many classic model in theoriginal foundation, such as the classical, queues, event driven and so on. It plays acrucial role in the response of user operating instructions and the transition of the taskof the states in motion control system. The studies of several structure model ofLabVIEW state machine and the improved method are the core of this paper. Takingthe platform in the test of heat collector performance and the shaft of the car as themain research object, we lucubrate the LabVIEW state machine model, and design amotion control system,based on the LabVIEW state machine model.In this paper, there are several mainly comments on LabVIEW state machinemodel for the application in motion control system:Firstly, the thesis expounds the research status and development trend of theLabVIEW state machine model, explores the application of the the state machinemodel in motion control system and discusses the main theory and constitution ofthe LabVIEW state machine model.Secondly, the thesis summarizes four kinds of LabVIEW state machine model,including Standard state machine, classical state machine, queue state machine andevent-driven state machine and introduces the LabVIEW state machine model, withtheir feature analyzed separately, put forward improved method and analyze thearchitecture tool of the state machine model,which include the state diagram tool andstate chart tool.Thirdly, several state machine model and the realization tool of the statemachine, can be applied to the thermal performance testing of the solar energycollector products and the twist testing of the drive shaft.Finally, this paper reviews the main points and summarizes the problems thathave been solved.It points out the researching direction of the LabVIEW statemachine model, applying in the field of test and measurement and other engineering.