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FLLL - Applications: Mitsubishi Air-conditioning System
Applications of Fuzzy Logic
(Continued)
Example: Air-conditioning System by Mitsubishi
- Problem description:
- Industrial air-conditioning system that shall be able to react flexibly to
changing ambient conditions
- Realization:
- 50 rules
- 6 linguistic variables
- Resolution: 8 bit
- Input variables: room temperature, wall temperature and temporal
evaluation of this signals
- Development:
- 4 days to create the prototype
- 20 days for testing and integration
- 80 days for optimization with real test objects
- Implementation as pure software solution on standard microcontroller
- Results:
- Reduction of starting processes down to 40 percent of the standard solution
- Sustaining of the temperature even with interference factors (like open window, etc.)
substantially improved
- Fewer sensors required
- Established energy saving by testing: 24 percent
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