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Nhóm Mô phỏng Công nghệ Hoá học và Dầu khí Trường Đại học Bách khoa Hà Nội
Dynamic Modeling using UniSim Design
Unit 10 Cause and Effect Matrix
Workshop
Add a Cause and Effect Matrix to the simulation
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Objectives
Understand the use of the Cause and Effect Matrix
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Cause and Effect Matrix
This unit operation replicates a Cause and Effect matrix commomly used in designing and operating the safety system of many processing plants.
It takes Inputs called Causes and sends Outputs called Effects
Each Input generate either a Healthy(1) or Tripped(0) state
The output is a boolean variable (1 or 0) which results from processing one of the Cause and Effect Matrix colums, and then any orther object in the simulation may read or use this value.
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Cause and Effect Matrix
It is important that you clarify the 1 and 0 covention of the Cause and Effect Matrix for Healthy/Tripped, On/Off, Start/Stop...
For both the inputs and outputs a result of 0 indicates Tripped
a result of 1 indicates Healthy
When the Invert checkbox is turned On a result of 0 indicates Healthy,
a result of 1 indicates Tripped
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