KEYWORDS: Intelligence systems, Design, Human-machine interfaces, Embedded systems, Field programmable gate arrays, Temperature sensors, Control systems
Closed box structure is usually adopted in traditional reinforced server. Once fault appears, the managers need to power off the chassis and fix it up, which brings up some troubles of system maintenance. This paper introduces a design scheme of embedded intelligent management system based on ARM and FPGA for reinforced server. The server remote management is realized by chassis management module and IPMC module. The experimental result shows that the designed intelligent management system can improve system management efficiency, reduce maintenance cost and enhance server maintainability and stability.
KEYWORDS: Fluctuations and noise, LCDs, Control systems, Temperature sensors, Temperature metrology, Resistance, Power supplies, Field effect transistors, Signal detection, Microcontrollers
The detected temperature in the chassis is converted into voltage signal by thermistor, and then the voltage signal is converted into digital signal by analog digital converter inside single chip microcomputer STM32. The temperature sensor is also used to convert the detected temperature into IIC bus, which is connected with the internal IIC interface of STM32, so STM32 can read and write data directly. PID algorithm is used to control the speed of DC fan through PWM. Finally, the test results show that the control module can well control the fan speed and adjust it according to the temperature in the chassis.
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