Loading...

Development and Analysis of Distributed Algorithms in Cyber-Physical Systems: Application in Smart Home

Barzegar, Mahdiyar | 2023

99 Viewed
  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 55801 (05)
  4. University: Sharif University of Technology
  5. Department: Electrical Engineering
  6. Advisor(s): Farhadi, Alireza
  7. Abstract:
  8. With the expansion of industrial Internet of Things systems in automation, control, and monitoring processes, the need for powerful servers for real-time processing, calculations, and decision-making in large-scale applications was felt, and implementation and use of this in such applications was one of the problems in this field. The base of this problem was also caused by its central structure, where processing, calculations, and decision-making took place in a central server, which even caused the existence of other risks like security and resilience problems against disconnecting the server layer with sensor and actuator layer and also hacker attacks on the central server. To come over the problem, the distributed structure was proposed to implement cyber-physical systems. In this structure, by using distributed algorithms, the central server's computation and processing load is distributed to the processors of the sensor and actuator layer. These algorithms are different depending on the type of calculations and processing that takes place in the central server, and they have different implementation techniques that require the review and analysis of these algorithms and comparison with each other from different perspectives such as accuracy, speed, resilience against disturbance, and more. In this thesis, to implement a cyber-physical system to use in Smart Homes, we develop and analyze distributed algorithms applied in this field. One of the topics raised in the field of Smart homes is air conditioning system control and energy consumption optimization. In this thesis, by presenting a distributed model predictive control scheme and by solving the optimization problem in a distributed and integrated manner for a plant-wide system, to adjust the comfortable temperature, a cyber-physical system in a distributed structure for the heating-cooling optimal building has developed. First, a distributed computing algorithm is developed for this purpose, and its efficiency is analyzed by performing multiple simulations and will be compared with similar methods and the optimality and superior performance of the proposed algorithm will be shown. In the following, hardware will be designed to implement and develop the distributed control algorithm for the optimal HVAC control system of the building. In the following, by using the developed hardware based on the industrial Internet of Things in the 7-story building of the Faculty of Electrical Engineering of the Sharif University of Technology, the optimal performance of the developed algorithm and optimality of temperature control with less energy consumption compared to existing and the traditional methods of building temperature control will be validated by practical tests.
  9. Keywords:
  10. Smart Home ; Cyber-Physical Systems ; Distributed Algorithm ; Model Predictive Control ; Optimization

 Digital Object List

 Bookmark