Dissertation > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system

CAN bus analysis and design of distributed control system of aluminum electrolytic

Author QiMin
Tutor MengChuanLiang
School Guizhou University
Course Electronics and Communication Engineering
Keywords CAN bus Electrolytic distributed control system Intelligent Communication Card Intelligent nodes
Type Master's thesis
Year 2008
Downloads 18
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This paper analyzes design CAN bus the aluminum electrolytic distributed control system . CAN bus is chosen because it has excellent performance , low- cost , reliable communications , and more widely in the control system . The aluminum electrolytic distributed control system divided into two modes , the host computer commitment system management , lower machine aluminum reduction cell production control . Each workshop set a platform-bit machine , managing dozens of under -bit machine , the complete set of lower machine parameters to send control commands and monitoring tasks of various operations . Upper and lower computer connected through the CAN bus the star network information exchange . The hardware design of the system , the host computer intelligent communication card with lower machine communication . The lower machine microprocessor choose the intel 80386EXCPU board CAN communication controller selects SJA1000 CAN bus drives using 82C250 . Host computer through the the ISA interface control circuit to complete the data communication access to the CAN controller . CAN controller and CAN transceiver in order to improve the anti-jamming capability , using optical isolation circuit , power supply isolation , the pull-up resistor , bus matching resistor measures . The software is designed with C language programming , design a message to send and receive communications module . Receiver module , the bus off , false alarms , receiver overflow situation better handling . The entire control system in Guizhou Aluminum experiments were carried out with a certain practicality .

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