The Design and Application of a Slave Device Control System for Automatic Biochemical Analyzer
In this study,an automatic biochemical analyzer control system with the slave device as the center was designed,based on the microcontroller chip STM32F427 and the embedded operating system RTX.With the characteristics of high main frequency,rich peripheral interfaces,and large memory,the hardware control chip STM32F427 of the system is suitable for running complex control systems.The control software was designed based on the embedded operating system RTX,which is a multitasking real-time operating system with multitasking concurrency and high real-time task performance.The whole machine verification test showed that the slave device control system of the automatic biochemical analyzer can stably control the mechanical arm,reaction disk,sample reagent disk,sampling component,cleaning component,and signal acquisition hardware of the instrument to coordinate and execute concurrently,achieving real-time fixed operating rhythm and thus fixing the reaction cycle;In addition,the real-time and stable data transmission between the system and the Host Computer meets the hardware and system requirements for high-speed and fully automatic biochemical analyzer detection performance.
Automatic chemistry analyzerMulti-task real-time operating systemAbsorbanceHost computerSlave deviceCAN bus
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