针对目前高校图书馆发展中的不足、互联网技术及个人对个人(Peer to Peer,简称P2P)业务模式高速发展的情况,本文通过对新兴互联网技术和图书资源现状的研究,设计了基于P2P平台的高校图书共享网站系统。系统采用B/S三层架构模式和Express...
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针对目前高校图书馆发展中的不足、互联网技术及个人对个人(Peer to Peer,简称P2P)业务模式高速发展的情况,本文通过对新兴互联网技术和图书资源现状的研究,设计了基于P2P平台的高校图书共享网站系统。系统采用B/S三层架构模式和Express + MangoDB技术作为网站开发工具,设计并实现了用户信息模块、图书信息模块、借还信息模块和管理员管理模块。该系统充分整合高校师生自有图书资源,使图书资源得到充分利用,具有重要的经济价值和社会意义。
A composite control scheme consisting of modepredictive control （MPC） and disturbance observer （DOB） iproposed to solve the control performance degradationproblem of the turbidity of the treated water in the prese...
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A composite control scheme consisting of modepredictive control （MPC） and disturbance observer （DOB） iproposed to solve the control performance degradationproblem of the turbidity of the treated water in the presence osignificant changes in raw water quality, water flow rate andinternal model mismatch disturbances. The MPC is employedas a feedback controller for the coagulation process with alarge time delay. The DOB is adopted to estimate the severedisturbances in the turbidity control, such as large changes inraw water quality and water flow rate. The estimated valuesare applied for feed-forward compensation to rejecdisturbances. Finally, the disturbance rejection performancesfor step disturbances and time-varying disturbances in thenominal case and model mismatch case are tested. Thesimulation results illustrate that, compared with the MPCmethod, the proposed method can significantly improve thedisturbance rejection performance in the turbidity control othe treated water, no matter if in the presence of externadisturbances or internal model mismatch disturbances.
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