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| 6/6/2011 11:24 AM | |
Joined: 1/28/2009 Last visit: 10/26/2024 Posts: 6852 Rating:
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Please check the following product of SIEMENS,the well designed functions with good English documents.The functions are suitable for PID applications: http://support.automation.siemens.com/WW/view/en/1137082 Check the following functions: 2.1.1 A_DEAD_B: Adaptive Dead Band If you actually using the analog input at the PV of a PID controller and the ERROR=SP-PV is fed to algorithm.This may cancel bad effect of flactuation on the output. 2.1.9 LAG1ST: First-Order Lag Element First order filter,used to convert steps to smooth exponential curves. regards |
| 6/6/2011 11:36 AM | |
Joined: 11/18/2010 Last visit: 8/5/2022 Posts: 523 Rating:
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hi , please refere attached file i think it will be useful to you. viral patel |
| 6/9/2011 7:16 PM | |
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Posts: 241 Rating:
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Hi, Late I am using your Filter Block for Liquid Argon flow control valve. It is really helpful. Thank you. |
| 6/13/2011 12:17 PM | |
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Posts: 241 Rating:
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Hi, hdhosseini I used the block attached by Late in the above post. I called that block in Ob34. I have F_tau=10. I used a trial & error method to get the good filetering. In the begining I filter only 2 sec, then 3.5 sec then 5 sec and finally 10sec if found to be satisfactory with my Flow Noise filtering. See the attachement. |
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| 10/29/2011 6:54 PM | |
Joined: 10/10/2010 Last visit: 10/25/2024 Posts: 307 Rating:
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thank you for that |
| 4/29/2022 2:28 PM | |
Joined: 4/28/2015 Last visit: 5/23/2024 Posts: 2 Rating:
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That's what I was looking for and I've lost hope! Does this "average" have a mathematical name? |
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