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IEEE International Conference on Mechatronics and Automation

作者： Youjie Ma Ahui Huang Xuesong Zhou Key Research Laboratory for Control Theory & Applications in Complicated Systems Tianjin University of Technology Tianjin China

ISBN: (纸本)9781479970995

Along with the increasing of electricity load type and capacity, the problems of the power quality, especially reactive power and harmonic, are a serious threat to the safe operation of power grid. Static synchronous compensator (STATCOM), as an important member of the FACT, has been widely used as the state-of the-art dynamic shunt compensator for controlling reactive power in transmission and distribution. It has attracted an extensive attention in domestic and foreign scientific and engineering fields with excellent performances of its smooth reactive power regulation and fast dynamic characteristics. Comparing with the traditional synchronous condenser. Static var compensator SVC, STATCOM which has a small size, a faster speed, a wide operation range has a great advantage in performance and can effectively compensate the reactive power, suppress harmonic current and provide voltage support for transmission system, it will be more and more widely used. This paper introduces the background, application status, challenges and development trend of STATCOM, pointing out that with the development of new technology and new power electronic devices and STATCOM in distribution network, STATCOM will occupy a very important position in the grid.

关键词： Automatic voltage control Reactive power Inverters Power system stability Switching circuits Power quality

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Adaptive Fault-torrent Attitude Tracking control for Hypersonic Unmanned Aerial Vehicle Subject to Input Constraints

Adaptive Fault-torrent Attitude Tracking Control for Hyperso...

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第27届中国控制与决策会议

作者： Yuehui Ji Xianggui Guo Weichen Ni School of Electrical Engineering and Tianjin Key Laboratory for Control Theory & Applications in Complicated SystemsTianjin University of Technology

A theoretical framework of adaptive fault tolerant attitude tracking control is proposed for a hypersonic Unmanned aerial vehicle in presence of actuator fault and input ***,the nonlinear attitude dynamics for hypersonic UAV X-33 is presented.A fault-torrent attitude control scheme is proposed by designing a nonlinear fault observer for the UAV attitude dynamical ***,a finite time convergence attitude tracking controller is accomplished on the basis of backstepping technology in the unknown addition actuator faulty and input constraints ***,numerical simulation is presented to illustrate the proposed fault tolerant control scheme is effective in providing satisfactory tracking performance and rejecting actuator faults and input constraints.

关键词： Fault tolerant control Backstepping technology Hypersonic UAV addition actuator fault input constraints

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Linear Active Disturbance Rejection control of Solar Heating system Assisted by Ground-source Heat Pumps

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Procedia Engineering 2015年 121卷 809-815页

作者： Zhigang Wang Jiaguang Cheng Qingnan Zhang Pan Wang Yan Wang Tianjin Key Laboratory for Control Theory and Applications in Complicated System Tianjin 300384 China School of Electrical Engineering Tianjin University of Technology Tianjin 300384 China School of Environmental Science and Engineering Tianjin University Tianjin 300072 China

In this paper, a linear active disturbance rejection controller is proposed for a solar heating system assisted by ground-source heat pump, whose model is obtained by applying the system identification technique. The disturbances imposed on the heating system are estimated through an extended linear state observer and then compensated by a linear feedback control strategy. The proposed control strategy is applied to a 300 kW heating system to handle the thermal load variations of grid and process disturbances. The effectiveness of this controller is verified via a simulation study, and the results demonstrate that the proposed strategy can provide good tracking performance and disturbance rejection.

关键词： Heat pump Solar energy Heating system Active disturbance rejection control

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Design and application of Tunnel kiln temperature control system

Design and application of Tunnel kiln temperature control sy...

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IEEE International Conference on Mechatronics and Automation

作者： Yan Wang Bin Liu Changce Si Tianjin Key Laboratory for Control Theory and Applications in Complicated System Tianjin China School of Electrical Engineering Tianjin University of Technology Tianjin China TianjinSIKENUOTechnologyCO. LTD Tianjin china

ISBN: (纸本)9781479970995

Traditionally, PID technology is applied in temperature control system of Tunnel kiln. While, as for its defects of oscillation and overshoot. PID control came to its choke point in practice. In order to get improvement, Active Disturbance Rejection controller (ADRC) is designed to adjust the temperature system in Tunnel kiln. First of all, short introduction of Tunnel kiln parameter, like variations of process control and hardware platform. Then, PLC controller is used to complete the temperature control of Tunnel kiln. Last but most important, we describe the ADRC algorithms specific characteristics of form and composition, which apply to the Tunnel kiln temperature control system. With the improvement, the use of Tunnel kiln will get efficiency of energy and cost will go down at the same time.

关键词： Kilns Heating Ignition Process control

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An overview on microgrid technology

An overview on microgrid technology

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IEEE International Conference on Mechatronics and Automation

作者： Xuesong Zhou Tie Guo Youjie Ma Key Research Laboratory for Control Theory & Applications in Complicated Systems Tianjin University of Technology Xiqing District Tianjin China

ISBN: (纸本)9781479970995

Microgrid technology can effectively integrate the advantages of distributed generation, and also provide a new technical way for large scale application of grid-connected generation of new energy and renewable energy. Microgrid can not only enhance the efficiency of energy cascade utilization, but also be used as an effective complementary of power grid and improve the reliability of power supply and power quality. It is one of the latest cutting-edge research topics in the field of electrical engineering at home and abroad. This paper firstly elaborates the background and the basic concept of microgrid, then describes the current domestic and international situation of microgrid research, finally the key problems and development prospects of microgrid technology are discussed.

关键词： Microgrids Distributed power generation Power system reliability Reliability Power supplies Energy storage

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Application of Wi-Fi Wireless Communication Technology in the Remote Monitoring of the Greenhouse

Application of Wi-Fi Wireless Communication Technology in th...

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International Conference on Information Sciences,Machinery,Materials and Energy（ICISMME 2015）

作者： Yunliang Wang Weisong Di Tianjin Key Laboratory for Control Theory & Application in Complicated System Tianjin University of Technology College of Automation Tianjin University of Technology

This paper uses the embedded microcontroller processor as the core,introduce a kind of method which used Wi-Fi to increase the distance and simplify the network building method,the GPRS and Internet network communication technology to realize remote transmission of data,and use the web page as the Monitoring interface,realize the acquisition and control of the temperature and humidity of the greenhouse.

关键词： greenhouse embedded network communication remote monitoring

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Effects of the pectus excavatum on the spine in patients of pectus excavatum with scoliosis

Effects of the pectus excavatum on the spine in patients of ...

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第十一届全国生物力学学术会议暨第十三届全国生物流变学学术会议

作者： Weihong Zhong Jinduo Ye Jifu Liu Chunqiu Zhang Linwei Lü Chunyue Zhang Bolun Liu Tianjin Key Laboratory of the Design and Intelligent Control of the Advanced Mechatronical System Tianjin University of Technology Tianjin Key Laboratory for Control Theory & Applications in Complicated Systems Tianjin University of Technology Military General Hospital of Beijing PLA

Objective:Pectus excavatum(PE)is the most frequently observed congenital deformity of the chest with a deep depression of the sternum in the anterior thoracic *** more than 20%of pectus excavatum patients were reported to have *** to now,no comprehensive analysis about the impact that pectus excavatum has on scoliosis has been performed,although previous research has involved correlation among scoli-

关键词： Effects of the pectus excavatum on the spine in patients of pectus excavatum with scoliosis

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An overview on control methods used in static var compensator

An overview on control methods used in static var compensato...

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IEEE International Conference on Mechatronics and Automation

作者： Youjie Ma Tao Zhao Xuesong Zhou Key Research Laboratory for Control Theory & Applications in Complicated Systems Tianjin University of Technology Tianjin China Tianjin University of Technology Tianjin CN

ISBN: (纸本)9781479970995

For analyzing the mechanism about the power systems of additional controllers added in static var compensator(SVC) and obtaining the modern control methods that can be used from the perspective of the engineering application, the mechanism about the power systems of additional controllers added in SVC are introduced. On the basis of researching the theory and application status of nine control methods used in the SVC, the comparisons of control effects between the control methods used in SVC for different control targets are completed. Eventually, from the angle of engineering application and development prospect, several feasible advanced SVC control methods are raised.

关键词： Static VAr compensators Power system stability Stability analysis Pi control Voltage control Robustness

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A Research for Brake Strategy based on Fuzzy control in Pure Electric Vehicles

A Research for Brake Strategy based on Fuzzy Control in Pure...

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International Conference on Computer Science and Network Technology

作者： Yunliang Wang Yonglei Su Tianjin Key Laboratory for Control Theory & Applications in Complicated Systems Tianjin University of Technology Tianjin China School of Control Engineering Tianjin University of Technology Tianjin China

ISBN: (纸本)9781467381741

In the condition of safety and stability, the primary control goal in pure electric vehicles braking process is to recover as much regenerative energy as possible. The brake-force distribution strategy in this paper is based on fuzzy control. The inputs are braking intensity and vehicle velocity, which are the determinants of the proportion coefficient of motor braking. The simulation of the fuzzy control strategy is carried out in typical driving cycles by ADVISOR 2002, which is an electric vehicle simulation software. Through the results of the simulation, it's easy to find that the strategy can improve the remaining SOC of the battery. Also the recycling efficiency of regenerative braking energy and total energy transfer efficiency are improved too.

关键词： pure electric vehicle regenerative braking braking strategy fuzzy control Electric vehicles Fuzzy control Regenerative braking control strategy Braking simulating

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Optimization research of the circulating water consumption based on stage-wise superstructure algorithm

Optimization research of the circulating water consumption b...

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IEEE International Conference on Mechatronics and Automation

作者： Chao Dong Junfang Li Dan Luo Chenguang Li Tianjin Key Laboratory of Control Theory & Application in Complicated System Tianjin University of Technology Tianjin China SINOPEC Tianjin Company Tianjin China

ISBN: (纸本)9781479970995

In this paper, aiming at the water-consuming of the circulating water system in the petrochemical enterprises, the stage-wise super structure model of the heat exchanger network is established. And the model can be solved by using the MINLP programming method. Considering the characteristics of no-shunt and shunt, the simultaneous optimization of heat exchanger networks is implemented, which is based on the stage-wise super structure method. Thus the company's energy saving can be achieved and the consumption goal of the minimum circulating water system can be also realized. The proposed optimization and technology road-map of the industrial water recycling system have an important reference value for the research and application of process optimization.

关键词： Water heating Optimization Mathematical model Cooling Poles and towers Heat transfer

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