现场总线在应用中主要考虑其通信电缆、通信电源故障,“T”型分支或终端电阻故障也会引起总线故障。
The main facts we should consider are the trouble caused by the communication cable, communication power, t type branch or the terminal resistor problem in the application of site bus technology.
分支接头结构合理并用先进的工艺制作,接触电阻极小,不受热胀冷缩影响。
Branch splice has less contact resistance and don't change with temperature because of its reasonable design and advanced process.
本文首先对各种阻尼结构进行了比较,分析了它们的优缺点,在此基础上提出了半主动分支电路可控压电阻尼和被动约束阻尼的混合结构。
In this paper, firstly, some damping structures are compared and their virtue and shortcoming are analyzed. On the basis of these, the semi-active-passive hybrid damping structure is put forward.
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