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A new proposal for the behaviour model of batch phases.
1J. Stefan Institute, Department of Systems and Control, Jamova 39, 1000 Ljubljana, Slovenia. giovanni.godena@ijs.si
ISA Transactions
|September 16, 2008
Summary
Managing batch-process control software complexity is challenging. This study enhances the phase-behavior model with nested states and finer activities, improving abstraction for ISA 88.00.01 compliance.
Area of Science:
- Chemical Engineering
- Automation and Control Systems
Background:
- Modern batch-process control faces challenges in managing software complexity and ensuring high quality.
- Current implementations adhering to the ISA 88.00.01 standard suffer from an insufficient abstraction level in their phase-behavior models, limited to five active sequences.
Purpose of the Study:
- To address the complexity and quality issues in batch-process control software.
- To propose an enhanced phase-behavior model with a higher level of abstraction.
Main Methods:
- Increasing the abstraction level of the phase-behavior model.
- Incorporating nested states into the model.
- Defining a greater number of finer-granularity activities.
Main Results:
- A novel concept for an enhanced phase-behavior model is presented.
- The proposed model effectively increases the abstraction level.
- The practical application is demonstrated through a real batch-control project specification.
Conclusions:
- The enhanced phase-behavior model offers a viable solution to the complexity and quality challenges in batch-process control.
- Nested states and finer activities improve the manageability and adherence to ISA 88.00.01 standards.
- The proposed approach is validated by its successful application in a real-world scenario.
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