首页|Three new tips for revitalizing control systems
Three new tips for revitalizing control systems
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NETL
NSTL
Three of many favorite excerpts from this issue follow to help improve effectiveness of control systems. Three open-loop tuning tips Ed Bullerdiek, retired process control engineer offers PID tuning-with three open-loop tuning tips and two limitations. Three open-loop tuning tips are: 1. Make multiple steps when performing the open loop test (minimum of three). 2. The step sizes should be different. 3. The step sizes should be made in opposite directions. This is necessary to see if the valve is working. (A cascade master may not require multiple steps as valve performance should not be a problem.).
NETL
NSTL
