基于ARM的农业装备共性参数测控系统

为满足多种信号实时采集与控制,分析了农业装备性能参数的特性,基于ARM嵌入式技术研制了具有共性参数检测能力、可满足农业装备综合性能参数检测需要的数据采集与控制系统。在S3C2410A和外围硬件电路构成的硬件平台上,利用多线程技术,开发了具有友好人机交互界面的应用软件。系统最多可提供34个测控通道,经计量和田间试验验证,模拟通道线性误差为0.38%、计数和计频通道误差为1Hz,其测试精度和可靠性满足农业装备的性能参数测量需要。该系统的研制有效提升了农业装备的性能检测手段,具有较高的实用性。

Measurement and control system for commonness parameters of agricultural equipment based on ARM

Performance parameters characteristics of agricultural equipment were analyzed,and the measurement and control system for commonness parameter of agricultural equipment was developed based on ARM embedded technology,with the performance of measuring commonness parameter and testing comprehensive performance for agricultural equipment.The multithreading technology was used to meet the real-time data acquisition and control for various signals and the friendly interface application software was developed on the hardware platform which consists of S3C2410A and peripheral hardware circuits.This system could provide up to 34 channels.The results of measurement and field experiment showed that its analog channels linear error was 0.38% and the error of counting channel and frequency channel were all 1 Hz.The testing accuracy and reliability of this system was applicable to performance parameters measurement of agricultural equipment.This development can effectively enhance the method of measuring agricultural equipment’s performance,and has high practicability.