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Found 3 results

  1. FAQ: I have a condition for events of variable duration. I would like to create a new condition that comprises the first third of the time (or 4th, or 10th) of the original condition. Solution: A stepwise approach can be taken to achieve this functionality. 1. Begin with your condition loaded in the display pane. 2. Create a new Signal using Signal from Condition that calculates the total duration of each of your event capsules, interpolated as a step signal. 3. Create a new signal that is your total event duration multiplied by the proportion of t
  2. Use Case Background In certain cases, it can be advantageous to delay or shift your time series data by some amount of time. Perhaps a process variable signal lags a set point by a known amount of time, or you are working on a clever analysis where you are shifting signals in a plug flow reactor or conveyor belt style production by known periods of time so that all of the signals line up for each widget or volume of flow to enable simplified cause and effect style analysis. Delaying or shifting the time stamp of a signal is easily accomplished in Seeq using the Formula tool: Us
  3. This method demonstrates how to apply time warping to a signal which can shorten the time between sample points while retaining the signal’s characteristic shape. This is useful for batch processes where batches may have different durations or for aligning data from multi-step processes with different durations. Note that this method is distinct from the more complex Dynamic Time Warping. The following example is based upon the Area A Compressor Power signal available in the Example Data. A single condition was created to capture each compressor run, as shown in the following image.
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