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Design of Computer Measurement and Control System of Test Device for Grain Drying Based on Virtual Instrument

机译:基于虚拟仪器的晶粒干燥测试装置计算机测量与控制系统设计

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A computer measurement and control system of test device for grain drying is designed by combining virtual instrument technology and computer measurement and control technology. Working done by hand or half hand system is solved by the automatic system. The hardware is designed with computer and ADAM module as its core, and the software is developed by Lab Windows/CVI. Digital incremental PID control algorithm is used in the process control. Anti-interference technology for hardware and software is applied. The result of experiment indicates that the temperature error was less than ±1°C", "the moisture error was less than ±2.17%and wind speed error was less than ±0.1m/s. The computer measurement and control system has a good performance and reaches the design and application requirements well.
机译:通过结合虚拟仪器技术和计算机测量和控制技术,设计了一种用于晶粒干燥测试装置的计算机测量和控制系统。 通过手工或半手系统完成的工作由自动系统解决。 该硬件采用计算机和ADAM模块作为其核心设计,软件由Lab Windows / CVI开发。 数字增量PID控制算法用于过程控制。 应用硬件和软件的抗干扰技术。 实验结果表明温度误差小于± 1° c&#x0022 ;,"水分误差小于± 2.17%和风速误差小于&# X00B1; 0.1M / s。 计算机测量和控制系统具有良好的性能并达到设计和应用要求。

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