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《第36届中国控制会议论文集(B)》2017年
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Distributed State Estimation of FCCU Riser Temperature

Li Mengying  Zheng Yi  Li Shaoyuan  
【摘要】:The temperature of riser reactor plays an important role in the operation and control of fluid catalytic cracking unit(FCCU). However, the FCCU riser only has limit temperature sensors. In this paper, a distributed state observer strategy is proposed to estimate temperature distribution of the whole riser. Based on moving horizon estimation(MHE), this paper presents a simplified MHE scheme for differential-algebraic systems that is applied to each observer that are combined together to form a large distributed state observer. The simulation results show that the distributed state observer works well and is able to estimation the temperature distribution.
【作者单位】:Department of Automation,Shanghai Jiao Tong University,and Key Laboratory of System Control and Information Processing,Ministry of Education
【基金】:Supported by the National Nature Science Foundation of China(61590924,61673273)
【分类号】:TE966
【正文快照】:
1 IntroductionFluid catalytic cracking unit(FCCU)is an industrialprocess that converts heavy hydrocarbons like gas oils tolower molecular-weight products,such as gasoline,in riserreactors.FCCU consists mainly of three parts,a riser,aseparator and a regen

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