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Found 4 results

  1. I need to receive the starting time of the water breakthrough in absorbers. For that I do following: Filtering the signal of water content to smooth it. Creating the derivative of the water content to use it further to find where the water content increasing Creating the conditions: A. when the inlet valve is open (adsorbtion cycle) B. when the water content is higher than 0.5 (for 5 min) C. when the derivative is higher than 0.0001 to find the increasing of the water content 4. Creating the composite conditions: AA. intersection of A
  2. FAQ: I've got a signal with drop-outs and I want to filter my signal to only visualize samples with values above a threshold. Is there a quick way to do this in Seeq? Solution: We can use Seeq's Signal Filtering capabilities to break down a signal into individual samples and create a new signal that keeps the samples only above your specified threshold. 1. Visualize your signal with drop-outs and determine the threshold value. For this example, we will filter out all samples with a value of less than or equal to 40F. 2. Open a new Seeq Formula window and use th
  3. FAQ: I want to identify the change in value of my signal after a change has occurred. My signal is generally constant (with typical noise) aside from when an event occurs during which there is a step change in the value of the signal. Solution: In order to compare the actual value of the signal before and after some event, you must first identify the event. Method 1: Running Delta. Note: an approach using the running delta function can be preferred to the derivative function (Method 2) when step changes are present as the derivative is infinite during these steps. Using the
  4. I have a condition that represent unit procedures. These capsules come from a batch execution system connector. Each capsule in the condition contains a property called 'Max Temperature'. I am trying to create a condition that just have the hot capsules. I am using a Seeq formula and filter to do this. Here's my formula: $c.filter( $cap -> $cap.getProperty('Max Temperature').isGreaterThan(170) ) I don't get any errors from this formula, but, I don't get any results. I know some of the max temperatures are higher than 170 because I can view that in the Seeq Details pane: W
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