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基于CAN总线的演播厅布光控制系统设计.pdf

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. 2 011. 19 ( 4) 832 Computer Measurement Control : 2011) : T P391 : B CAN 苏百顺, 孟国营, 庞政铎, 汪爱明 ( , 100083) : PLC , , , ; , , CAN , ; ATmega128 , CAN , ; , , , , , : ; CAN ; ATm ega128 Design of Light Arrangement Control System for Studio Based on CAN Bus Su Bais un, M eng Guoying, Pang Z engduo, Wang A iming ( Sc ool of Mec at ronics and Information Engineering, C inese U niversit y of M ining Industry, Beijing 100083, C ina) Abstract: At pr esent PLC is used in t e m ost lig t arrangement control system for studio w ic is inflex ible and limited to installation location w it t e disadvantage of t e ig cost and many decentralized lines. T o sim plify t e w iring and improve t e reliability of t e data transm ission, a lig t arrangem ent control system for studio based on CAN bu s distributed control is put forw ard, system configuration and softw are and ardw ar e design of t e system are introduced in detail. Console adopt AT mega128 as microprocessor to control lam ps and lan terns and boom by CAN bus to im plem ent spatial orientation adjustment of t e lamps and lanterns and up- and- dow n of t e boom. T e test result s ow s t at t is system is credible and stable, convenient in installation and as t e c aracteristics of good real- time, so t at it can reduce t e system cost and ac ieve g ood results. Key words: lig t arrangem ent control system; CAN bus; AT mega128 , , , , , CAN [ 3]
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