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Development Of An Agent Based Cooperative Control Systems For Control Of Gas Transmission Networks

Fanaei Sheikholeslami, Ahmad | 2016

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 48375 (06)
  4. University: Sharif University of Technology
  5. Department: Chemical and Petroleum Engineering
  6. Advisor(s): Bozorgmehry Boozarjomehry, Ramin
  7. Abstract:
  8. Total Energy consumed in the compressor stations severely affects the gas transmission costs. Currently steady-state optimizations are used to solve “Minimize Fuel Cost Problem” (MFCP) in gas transmission networks. But due to the fast changing demand and maintaining the linepack of network, these methods are not able to find best solution for MFCP. Control of natural gas transmission system is a challenging task due to the system large dimension, lots of operating constraints and small number of measurements compared to the number of system states. In this thesis it is first shown that most of the pipeline systems have a mild nonlinear behavior. A heuristic method for identification of large gas pipeline is presented. Then different distributed Model Predictive Control(MPC) strategies were investigated. A distributed MPC algorithm is formulated based on the identified linear model. This control method is compared to centeralized and fully decenteralized MPCs. It is shown that proposed distributed MPC not only has satisfactory results in a typical pipeline operation scenario, but also can be implemented successfully for large gas transmission systems
  9. Keywords:
  10. Distributed Predictive Control (DPC) ; Multiagent System ; Large Scale System ; Identification ; Gas Transmission Network

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