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There are 13 papers published in subject: > since this site started. |
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1. Preliminary Study on the Application of Internet of Things in Smart Cinema | |||
Zhang Xiaowei,Lou Peidei | |||
Electrics, Communication and Autocontrol Technology 09 November 2021 | |||
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Abstract:With the improvement of residents\' living standards and the development and advancement of science and technology, movie lovers are no longer satisfied with watching movies, and thus pose new challenges to the operation of theaters. Aiming at the pain points of traditional theaters in terms of energy-saving, intelligence and audience loss, this article proposes the construction of smart theaters in combination with the modern development trend of theaters. The system describes the application of the Internet of Things technology in energy-saving efficiency, data collection, equipment maintenance, and other aspects of smart theaters. , And then design and realize the overall structure of the smart theater. | |||
TO cite this article:Zhang Xiaowei,Lou Peidei. Preliminary Study on the Application of Internet of Things in Smart Cinema[OL].[ 9 November 2021] http://en.paper.edu.cn/en_releasepaper/content/4755705 |
2. 3D visualization application of ocean temperature field | |||
ZHOU Zhongyuan,ZHOU Weidong | |||
Electrics, Communication and Autocontrol Technology 11 January 2020 | |||
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Abstract:Sea water temperature is a physical quantity that represents the thermal state of the ocean. Depending on the state of the ocean thermal budget and time, the ocean temperature field will periodically or irregularly change with time. Current research on ocean temperature fields is mainly focused on marine fishing, aquaculture, etc., or research on specific sampling and reconstruction methods of sea temperature. From the perspective of the practical application of underwater vehicle equipment, this paper studies the display method of ocean temperature field data. Compared with the current device that displays the temperature field information change pattern by curve values, the three-dimensional visualization method can more intuitively and effectively describe and describe the current state of the temperature field environment in the sea area, and improve the commander's understanding and application of the temperature field as a whole Making tactical decisions provides reliable technical support, so it has broad prospects in practical engineering equipment applications. This paper analyzes the seawater temperature field data characteristics and sampling methods, uses ray projection volume rendering method to realize three-dimensional display of the ocean temperature field, and encodes data classification, coordinate conversion, and resampling specific processes. | |||
TO cite this article:ZHOU Zhongyuan,ZHOU Weidong. 3D visualization application of ocean temperature field[OL].[11 January 2020] http://en.paper.edu.cn/en_releasepaper/content/4750518 |
3. Constrained L1 adaptive control for a class of systems with matched disturbance using online optimization | |||
HAN Siwei,MA Tong,SHEN Jiong,PAN Lei,Chengyu CAO | |||
Electrics, Communication and Autocontrol Technology 21 April 2017 | |||
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Abstract:This paper presents an improvement of L1 adaptive controller to deal with system constraints. By defining an ideal system without disturbance, the original control problem is divided into a disturbance rejection problem and a tracking problem. For the disturbance rejection, the conventional L1 adaptive control is reserved to cancel the effects of disturbance with guaranteed transient performance, while the tracking control signal is produced by introducing a model predictive control (MPC) mechanism. The MPC control uses the ideal system which is guaranteed by the L1 adaptive control as its predictive model, solving a receding horizon optimization problem online with system constraint condition satisfied. Simulation result shows the effectiveness of this approach. | |||
TO cite this article:HAN Siwei,MA Tong,SHEN Jiong, et al. Constrained L1 adaptive control for a class of systems with matched disturbance using online optimization[OL].[21 April 2017] http://en.paper.edu.cn/en_releasepaper/content/4727826 |
4. Slab Thickness Deviation Rectification Control of MDF Continuous Press Based on Hierarchical Structure of Synergetic Govenance | |||
WU Qu,LIU Yaqiu | |||
Electrics, Communication and Autocontrol Technology 15 April 2014 | |||
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Abstract:Based on behavior-based synergetic control method, a hierarchical structure of synergetic governance is proposed for cylinder-array, which contains multi terminals: Synergy Nuclear-Control Agent-Motion Terminal structure. Synergetic governance method for cylinder-array is researched based on the structure. Employ synergetic control to motion terminal system. Control agent carries out corrections between terminals for their synchronous output. Aim to the problems output same or different physical parameters, hierarchical synergy schemes which include self-synergy and inter-synergy are proposed. Slab thickness deviation thresholds are defined so as to make a distinction among thickness deviation levels. And thickness deviation rectification rules are formulated. Synergy nuclear calculates final deviation rectification decision according to the rules. Employ the governance structure to slab thickness deviation rectification control of MDF continuous press for simulations. To test the established thickness deviation rectification synergetic governance mechanism by the system, let the simulated data and slab for experiment be detected. The dynamic surfaces of displacement output and pressure output demonstrate that the hydraulic cylinder-array's outputs are consistent with slab deviation rectification decision. Synergy nuclear could shift decision according to slab features under each hydraulic cylinder. It achieves slab thickness deviation dynamic rectifying for MDF continuous press without overshoot. The outputs of cylinder-array are consistent overall. | |||
TO cite this article:WU Qu,LIU Yaqiu. Slab Thickness Deviation Rectification Control of MDF Continuous Press Based on Hierarchical Structure of Synergetic Govenance[OL].[15 April 2014] http://en.paper.edu.cn/en_releasepaper/content/4593539 |
5. Accuracy-Stressed and Energy-Concerned Adaptive Sensor Scheduling for Target Tracking in Underwater Wireless Sensor Networks | |||
ZHANG Senlin,CHEN Huayan,LIU Meiqin | |||
Electrics, Communication and Autocontrol Technology 19 January 2014 | |||
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Abstract:Target tracking is one of the broad applications of underwater wireless sensor networks (UWSNs). Sensors of UWSNs are battery-powered and it is impracticable to replace the batteries when exhausted. That means the batteries life affecting the lifetime of whole networks. So, it is worth reducing the energy consumption on the premise of satisfactory tracking accuracy. This paper proposes an adaptive sensor scheduling scheme that implements for accurately and energy-efficiently tracking a maneuvering target detected by underwater UWSNs. This scheme employs multi-sensor to achieve the tracking task. And a priori criterion is presented to select the best sensor group and best fusion sensor from candidate sensors. The criterion is generated from the algorithm combining interacting multiple model with extended Kalman filters (IMM-EKF). For reducing the energy consumption, the sampling interval is variable at each time step, according to a pre-given tracking accuracy thresthold. Simulation demonstrates that selecting best sensor group can improve the tracking accuracy significantly; selecting best fusion sensor and appropriate sampling interval can reduce the energy consumption significantly. | |||
TO cite this article:ZHANG Senlin,CHEN Huayan,LIU Meiqin. Accuracy-Stressed and Energy-Concerned Adaptive Sensor Scheduling for Target Tracking in Underwater Wireless Sensor Networks[OL].[19 January 2014] http://en.paper.edu.cn/en_releasepaper/content/4583108 |
6. Robust Controller Design of Permanent Magnet Synchronous Motors | |||
DENG Zhen-Hua, NIAN Xiao-Hong | |||
Electrics, Communication and Autocontrol Technology 07 November 2013 | |||
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Abstract:Permanent magnet synchronous motors (PMSMs) have been widely used in many fields. Compared to induction motors, it has many features. For example, it has higher power factor. With the improvement of manufacturing technology, in the future, the PMSMs will be used in more fields. And in some fields, the traditional motors will be replaced by it. It is very important to develop a good control strategy in PMSMs fields. Therefore, in this paper, according to interval matrix technology, Lyapunov stability theory and the PI control idea, a control strategy is developed in PMSMs control field. The control strategy can cope with load's uncertainty and has a good control performance. Moreover, it is easy to apply in engineering. Simulation results verify the effectiveness of the proposed control strategy and explain that it has a good control performance. | |||
TO cite this article:DENG Zhen-Hua, NIAN Xiao-Hong. Robust Controller Design of Permanent Magnet Synchronous Motors[OL].[ 7 November 2013] http://en.paper.edu.cn/en_releasepaper/content/4567303 |
7. Synergetic Control in Hydraulic System with Elastic Load | |||
WU Qu,LIU Yaqiu | |||
Electrics, Communication and Autocontrol Technology 26 July 2013 | |||
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Abstract:Controller for hydraulic system with elastic load is designed according to synergetic theory. Based on the actuator model, the synergetic controller is tested. Simulation results using PI and synergetic control under two kinds of reference input demonstrate that synergetic control is suitable for hydraulic system in MDF hot-pressing because there is no overshoot in the system. And it is shown that converging speed affects system's tracking performance. | |||
TO cite this article:WU Qu,LIU Yaqiu. Synergetic Control in Hydraulic System with Elastic Load[OL].[26 July 2013] http://en.paper.edu.cn/en_releasepaper/content/4553073 |
8. Objective Grey Prediction Filtering Algorithm Based on Combined Model | |||
Yang Pu,Ni Jiangfan | |||
Electrics, Communication and Autocontrol Technology 16 July 2013 | |||
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Abstract:Aiming at the problems of delay and uncertain disturbance of the target miss distance signal of optical tracking system, put forward an objective grey prediction filtering algorithm based on combined model. According to gray forecast theory, establish the grey forecasting model of the target signal directly, based on the analysis of traditional GM (1,1) model, we has improved it, and combine with time-series method to establish residual error model of objective grey prediction, so as to constitute combined model, improve the target prediction accuracy effectively. Finally, by experiment about comparing the simulated target and actual target, we concluded that target prediction filtering method we proposed is feasible and effective. | |||
TO cite this article:Yang Pu,Ni Jiangfan. Objective Grey Prediction Filtering Algorithm Based on Combined Model[OL].[16 July 2013] http://en.paper.edu.cn/en_releasepaper/content/4551339 |
9. Self-adaptive Co-evolution differential evolution algorithm for optimal design of water distribution networks | |||
FAN Qinqin,CHEN Kuilin,YAN Xuefeng | |||
Electrics, Communication and Autocontrol Technology 01 June 2012 | |||
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Abstract:In this paper a new DE algorithm, i.e. self-adaptive co-evolution differential evolution (SACDE), is proposed to improve the optimization performance. SACDE employs the idea of co-evolution, which means that population and control parameters are coded together. While individuals are evolving, control parameters are changing in coordinately. The automatically updated parameters can adapt to different optimization problem and thus increase the robustness of the algorithm. Simulation results show that the proposed algorithm is better than classic DE algorithm. In comparison with other self-adaptive DE algorithm, the proposed algorithm is better in some conditions. Finally, the proposed algorithm is employed to optimize a discrete complex constrained optimization problem-water distribution network problem. SACDE achieves better results in benchmark water distribution network problems than previous methods. It demonstrates that SACDE not only can handle discrete constrained optimization problem but also shows its robustness due to the exponentially increasing complexity of different water distribution networks. | |||
TO cite this article:FAN Qinqin,CHEN Kuilin,YAN Xuefeng. Self-adaptive Co-evolution differential evolution algorithm for optimal design of water distribution networks[OL].[ 1 June 2012] http://en.paper.edu.cn/en_releasepaper/content/4480517 |
10. Nonlinear Disturbance Observer Based Control for Systems with Arbitrary Disturbance Relative Degree | |||
Yang Jun,Chen Wenhua,Li Shihua,Chen Xisong | |||
Electrics, Communication and Autocontrol Technology 11 January 2011 | |||
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Abstract:The existing nonlinear disturbance observer based control (NDOBC) is only applicable for the systems whose disturbance relative degree is higher than or equal to the input relative degree. The disturbance attenuation problem of nonlinear systems with arbitrary disturbance relative degree is presented in this paper via a novel NDOBC approach. A systematic method is proposed to design the disturbance compensation gain. It is shown that the disturbance can be eliminated from the output channel in steady-state with the proposed method. The input-to-state stability of the closed-loop system is also investigated rigorously by regarding the disturbance as the input of the augmented system. Simulation example of a missile demonstrates that the proposed method provides an effective way in rejecting disturbances with arbitrary disturbance relative degree. | |||
TO cite this article:Yang Jun,Chen Wenhua,Li Shihua, et al. Nonlinear Disturbance Observer Based Control for Systems with Arbitrary Disturbance Relative Degree[OL].[11 January 2011] http://en.paper.edu.cn/en_releasepaper/content/4405782 |
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