scholarly journals Research and Development of Measurement and Control System of New Energy Vehicle Computer Technology Test Bed

2020 ◽  
Vol 1578 ◽  
pp. 012089
Author(s):  
Lesheng Liu
2012 ◽  
Vol 542-543 ◽  
pp. 208-211 ◽  
Author(s):  
Ye Song Yang ◽  
Guang Sheng Ren ◽  
Xiao Qing Yin

The paper analyzes the working principle and the advantages and disadvantages of synchronous access and asynchronous access in OPC standard. Take the traction motor performance test and control system as example. It used Visual Basic development OPC client and used PC Access as an OPC Server. The performance test bed for traction motor realize the measurement and control system efficient, stable and reliable operation. According to the characteristics of different parameters, the system chooses the methods of Subscription and Synchronous Write which used the advantages of synchronous access and asynchronous access.


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