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检索条件"任意字段=2013 IEEE International Conference on Control System, Computing and Engineering, ICCSCE 2013"

共 4105 条记录，以下是271-280 订阅

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MTMDs-Based Noise control for Box-Girder Bridge of High Speed Railway

MTMDs-Based Noise Control for Box-Girder Bridge of High Spee...

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international conference on Life system Modeling and Simulation (LSMS) / international conference on Intelligent computing for Sustainable Energy and Environment (ICSEE)

作者： Zhang, Xiaoan Shi, Guangtian Yang, Jianjin Zhang, Xiaoyun Lanzhou Jiaotong Univ Sch Mech Engn Lanzhou 730070 Gansu Peoples R China Southwest Jiaotong Univ Train & Track Res Inst State Key Lab Tract Power Chengdu 610031 Sichuan Peoples R China

ISBN: (纸本)9789811063732;9789811063725

The environmental issues induced by the high speed railway become more and more serious with its rapid development. In order to control the low-frequency structure noise of the box-girder bridge of high speed railway, this paper proposes a new idea that the multi-mass-dampers (MTMDs) may be used. A sound radiation analysis model of the box-girder bridge is developed to validate the idea and to evaluate the control effect. Firstly, a vehicle-track-bridge coupled dynamic model is established to obtain the dynamic responses of the box-girder bridge induced by the excitation of German railway spectra of low irregularity. Then the sound radiation analysis model of the box-girder bridge is established using boundary element method and the dynamic responses are used as the boundary condition to solve the acoustic radiation characteristics of the box-girder bridge. The mechanism of noise radiation of the box-girder bridge is analyzed combined the acoustic radiation efficiency, the vibration response and the vibration distribution. Finally, the MTMDs are using to control the noise radiated by the box-girder bridge based on its mechanism of noise radiation and the control effect is evaluated.

关键词： High speed railway Box-girder bridge Structure noise Radiation mechanism Vibration and noise reduction MTMDs

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Utilizing Optimal control and Physical Measurements when Developing Operator Assist, Automatic Functions and Autonomous Machines 6

Utilizing Optimal Control and Physical Measurements when Dev...

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6th ieee international conference on control system, computing and engineering (iccsce)

作者： Frank, Bobbie Lund Univ Fac Engn Lund Sweden Volvo Construct Equipment Eskilstuna Sweden

ISBN: (纸本)9781509011780

A method using optimal control results as input to operator assist systems, automatic functions and autonomous construction machine control is presented. This method complements the vast research within autonomy to achieve the most fuel efficient solution from results that are already available from concept evaluation and system optimization in early development. The optimal control results are validated and compared to an extensive empirical study to ensure realization in real applications. The optimal control method is based on dynamic programming and finds the global optimum in regards to fuel efficiency [ton/l] at a given productivity [ton/hi. The wheel loader is used as an example due to the complex nature of the system, where the driveline and working hydraulics must work together throughout the work cycle. The main focus in this paper is how to transfer results from the optimal control calculations done offline, with high computational power, to algorithms that can be used online in operator assist systems, automatic functions and autonomous machine control. The primary result is that the method and algorithms presented in this paper works. The secondary results is that the optimal control solution shows around 15% higher fuel efficiency compared to the highest fuel efficiency measured among real operators in the extensive empirical measurement. The operator with the highest measured fuel efficiency has 2030% higher average fuel efficiency than the fleet implying that the optimal control results, if used in operator assist systems, automatic functions and autonomous machine control, can increase the average fleet fuel efficiency by up to 35 45%, depending on operator and application.

关键词： Operator assist systems construction machinery automatic functions autonomous machines optimal control empirical study fuel efficiency

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A Geometry Based Feature Detection Method of V-Groove Weld Seams for Thick Plate Welding Robots 2

A Geometry Based Feature Detection Method of V-Groove Weld S...

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2nd international conference on control and Robotics engineering (ICCRE)

作者： Kiddee, Prasarn Fang, Zaojun Tan, Min Chinese Acad Sci Inst Automat State Key Lab Management & Control Complex Syst Beijing 100190 Peoples R China

ISBN: (纸本)9781509037742

The precise positions of feature points in the image space are crucial for tracking systems of welding robots. And hence the quality of feature detection directly affects the accuracy of the motion of the welding robots. Moreover, a low computational cost is also needed in a real-time tracking system. This paper presents a method which effectively detects the features of the V-groove weld seam based on their geometries. A camera and a cross-line structured light are constructed to be used as the visual sensing system. Firstly, the skeletonization has applied to the image. Subsequently, Hough transform is used to find the main line of the light stripe. Secondly, The farthest point algorithm is used to estimate the bottom feature point of the weld seam. Finally, the left and right feature points are estimated by the least squares line fitting method. The experimental results show that the features can be precisely recognised by the proposed method. In addition, the computational cost of the proposed method is not expensive, and thus it satisfies the requirement of a real-time system.

关键词： V-groove weld seam geometry based detection Hough transform RANSAC-like classifier least squares line fitting welding robots

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A security analysis and reinforcement design adopting fingerprints over drawbacks of passwords based authentication in remote home automation control system 17

A security analysis and reinforcement design adopting finger...

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6th international conference on Informatics, Environment, Energy and Applications, IEEA 2017

作者： Mukundwa, Chantal Lee, Seok Won Kim, Ki Hyung Computer Engineering Ajou University Korea Republic of Depts. of Software Convergence Technology Information and Computer Engineering Ajou University Korea Republic of Dept. of Knowledge and Information Engineering Ajou University Korea Republic of

ISBN: (纸本)9781450352307

Privacy has been one of the focus in information security discussion over years and it has become an issue everyone would like to protect though sometime people end up giving up some of their privacy in exchange of other services;however, the privacy in home automation is still crucial as ensuring only allowed users can access the appliances within the house. In this research, we evaluated the drawbacks of using passwords for authentication on mobile application used for home automation and provided and analyzed a more robust system design using fingerprints to take the advantage over uniqueness of fingerprint to identify humans. © 2017 ACM.

关键词： Authentication

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ℋ∞ tuning technique for PMSM cascade PI control structure 6

ℋ∞ tuning technique for PMSM cascade PI control structure

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6th ieee international conference on control system, computing and engineering, iccsce 2016

作者： Pohl, Lukas Buchta, Ludek CEITEC - Central European Institute of Technology Brno University of Technology Purkynova 123 Brno Czech Republic

ISBN: (纸本)9781509011780

In this paper the nonsmooth optimization technique is proposed for parameter tuning of a set of PI controllers. PI controllers connected in a cascade structure are controlling the stator currents and the rotor speed of PMSM (permanent magnet synchronous motor). Performance criteria are specified with weighting functions for each PI controller. Important aspects of weight design and its impact on cascade control of PMSM are presented. Nonlinear nature of PMSM is resolved by sampling LPV (linear parameter varying) model at key values of the rotor speed and creating set of design points. Tuning of cascaded PI controllers is performed as a two step procedure. In the first step the inner current loop is tuned for all the design points. As a second step to the procedure, the inner loop PI controller parameters are locked and outer speed PI controller is tuned around the q-axis current loop. © 2016 ieee.

关键词： Permanent magnets

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Piezo stack actuator saturation control of the coupled active suspended handle-die grinder using various PID-anti-windup control schemes 6

Piezo stack actuator saturation control of the coupled activ...

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6th ieee international conference on control system, computing and engineering, iccsce 2016

作者： Mazlan, Ahmad Zhafran Ahmad Ripin, Zaidi Mohd Ali, Wan Mohd Amri Vibration Lab School of Mechanical Engineering Universiti Sains Malaysia Nibong Tebal Penang14300 Malaysia

ISBN: (纸本)9781509011780

Anti-windup schemes can be used to reduce the effect of piezo actuator saturation for the tracking and positioning applications. In the case of applying the anti-windup scheme for the vibration attenuation, the saturation of the piezo actuator has never been considered. In this paper, three PID-anti-windup control schemes;Clamping (PID-CAW), Back-Calculation (PID-BCAW) and Tracking Mode (PID-TMAW) anti-windup were modified based on the measured piezo stack actuator voltage and force saturation and their performance in reducing the vibration from the die-grinder to the suspended handle model were compared. The dynamic model of the suspended handle was experimentally developed and the base excitation was taken from the die-grinder with an operating speed of 25 000 rpm. From the results, the PID-TMAW have produced the highest vibration attenuation of 90.3 % for the coupled-active suspended handle-die grinder model compared to the PID-BCAW and PID-CAW with 90 % and 89.5 % of vibration attenuation, respectively. © 2016 ieee.

关键词： Dies

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Energy Efficient Trajectory Planning via Big Bang Big Crunch with Obstacle Avoidance 6

Energy Efficient Trajectory Planning via Big Bang Big Crunch...

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6th ieee international conference on control system, computing and engineering (iccsce)

作者： Yilmaz, Sabri Gokasan, Metin Istanbul Tech Univ Control & Automat Engn Dept Istanbul Turkey

ISBN: (纸本)9781509011780

Robot manipulation has been an interesting topic for researchers over decades. While researches are going on, different problems occurred. One of the most important problems is energy consumption. Because operation time of mobile robots is fully related with energy consumption. In this study two main problems are taken into consideration, first one is minimization of energy consumption and second one is obstacle avoidance. For this purpose, a simple robot manipulator with two degrees of freedom is chosen. The objective function is selected as a function of applied torque values at the joints, minimization of objective function, results in minimization of motor currents. The algorithm checks if there is a contact between the obstacles and the manipulator, while the algorithm is searching for the trajectory polynomial that requires minimum energy consumption. Finally, the algorithm finds the trajectory polynomial that contains no contact between the manipulator and the obstacles, also minimizes energy consumption.

关键词： trajectory planning robot dynamics global optimization big bang-big crunch optimization algorithm obstacle avoidance

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Combined estimation of actuator and sensor faults for non-linear dynamic systems 22

Combined estimation of actuator and sensor faults for non-li...

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22nd international conference on Methods and Models in Automation and Robotics, MMAR 2017

作者： Pazera, Marcin Witczak, Marcin Korbicz, Józef Institute of Control and Computation Engineering University of Zielona Góra ul. Podgórna 50 Zielona Góra65-246 Poland

ISBN: (纸本)9781538624029

The paper deals with the problem of simultaneous estimation of the state as well as actuator and sensor faults for non-linear dynamic systems. The actuator and sensor faults can appear simultaneously, at the same time. The proposed strategy is based on quadratic boundedness approach allowing the convergence analysis of the proposed estimator. The final part of the paper shows an illustrative example based on a real multi-tank system, which clearly exhibits the performance of the proposed approach. © 2017 ieee.

关键词： Linear control systems

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Multiple Kernel Learning based Feature Selection for Process Monitoring 16

Multiple Kernel Learning based Feature Selection for Process...

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16th ieee/ACIS international conference on Computer and Information Science (ICIS)

作者： Yang, Sheng-Lan Weng, Wei Rong, Gang Feng, Yi-Ping Zhejiang Univ Coll Control Sci & Engn State Key Lab Ind Control Technol Hangzhou 310027 Zhejiang Peoples R China Waseda Univ Grad Sch Informat Prod & Syst Wakamatsu Ku 2-7 Hibikino Kitakyushu Fukuoka 8080135 Japan

ISBN: (纸本)9781509055074

In the process of large-scale chemical engineering, more useful industrial process information can be obtained by increasing measuring variables, defined as system features. However, the increase in amount of features will lead to the high computation cost and reduce the efficiency of the process monitoring system. To solve this issue, those features that are redundant or bring an incorrect result should be removed before the process monitoring. Feature selection is the issue of selecting a subset of most informative features from the full set of features. A novel multiple kernel learning based method is proposed for the feature selection. Distinguished with the literature, the feature selection problem is transformed into an optimization problem in the multiple kernel learning, which avoids the drawback called the "monotonic" problem in conventional feature selection methods. Finally, the performance of the proposed method for feature selection in process monitoring is demonstrated through the experiment in Tennessee Eastman benchmark process.

关键词： feature selection multiple kernel learning process monitoring optimization

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The 13th ieee conference on Industrial Electronics and Applications (ICIEA 2018)

Proceedings of the 13th IEEE Conference on Industrial Electr...

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Proceedings of the 13th ieee conference on Industrial Electronics and Applications, ICIEA 2018 2018年 iii-iv页

作者： Zhu, Xing Chen, Kuisheng

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