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Issue:
Refit of Air-conditioning Control System on a Ship
Author(s):
LIU Ganwu
,
LI Guanghua
,
CHEN Jinzeng
,
HE Chenzuo
Pages:
30
-
33
Year:
2009
Issue:
6
Journal:
Chinese Journal of Ship Research
Keyword:
船舶空调系统
;
控制系统
;
可偏程控制器
;
改装
;
Abstract:
某船舶空调控制系统采用的是多片式微机控制,由于其结构复杂、控制技术落后、备件供应困难,因而需要对该空调控制系统进行功能性替换.可编程控制器(PLC)因其良好的性能和低廉的价格被广泛应用于控制系统中,故选用西门子S7-200系列作为空调控制系统的核心.改装主要从两个方面分析:一方面硬件替代必须选择市场化、国有化的产品;另一方面软件程序必须保证空调机组能安全运行并满足要求,同时能够实现故障检测与分析....
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