IEEE ICCA 2010最新文献

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Investigating the solution properties of symmetric/skew-symmetric LTI homogeneous matrix descriptor discrete-time systems with consistent initial conditions and constant delay period 研究具有一致初始条件和常延迟周期的对称/偏对称LTI齐次矩阵广义离散系统的解的性质
IEEE ICCA 2010 Pub Date : 2010-07-26 DOI: 10.1109/ICCA.2010.5524006
A. D. Karageorgos, A. Pantelous, G. Kalogeropoulos
{"title":"Investigating the solution properties of symmetric/skew-symmetric LTI homogeneous matrix descriptor discrete-time systems with consistent initial conditions and constant delay period","authors":"A. D. Karageorgos, A. Pantelous, G. Kalogeropoulos","doi":"10.1109/ICCA.2010.5524006","DOIUrl":"https://doi.org/10.1109/ICCA.2010.5524006","url":null,"abstract":"In this paper, the Thompson's canonical form for a regular and singular matrix pencil of complex matrices with symmetric and skew symmetric structural properties is introduced for the solution of linear and time invariant (LTI) matrix homogeneous descriptor discrete time system with consistent initial conditions and time delay. Under this approach, the main equation is divided into several sub-systems whose solutions are derived. Note that the regularity or singularity of matrix pencil predetermines the number of sub-systems.","PeriodicalId":155562,"journal":{"name":"IEEE ICCA 2010","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122251731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A nonlinear parametric identification method for biceps muscle model by using iterative learning approach 基于迭代学习的二头肌模型非线性参数辨识方法
IEEE ICCA 2010 Pub Date : 2010-07-26 DOI: 10.1109/ICCA.2010.5524270
Jian-xin Xu, Y. Zhang, Yang Pang
{"title":"A nonlinear parametric identification method for biceps muscle model by using iterative learning approach","authors":"Jian-xin Xu, Y. Zhang, Yang Pang","doi":"10.1109/ICCA.2010.5524270","DOIUrl":"https://doi.org/10.1109/ICCA.2010.5524270","url":null,"abstract":"This paper focuses on the modeling of the human bicep brachii muscle and introduces an iterative identification method for nonlinear parameters in a virtual muscle model. This model displays characteristics that are highly nonlinear and dynamical in nature. However, the precision of the virtual muscle model depends on a set of model parameters which cannot be acquired easily using non-invasive measurement technology. Hence, experiments were conducted to derive relationships between joint angles, force, and EMG signals. In the experiment, the calculations from an anatomical mechanical model were used to relate isometric force to EMG levels at 5 different elbow angles for 3 subjects. An iterative identification method was then used to determine optimum muscle length and muscle mass of the biceps muscle based on the model and muscle data. Extensive studies have shown that the iterative identification method can achieve satisfactory results.","PeriodicalId":155562,"journal":{"name":"IEEE ICCA 2010","volume":"18 29","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121312953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Super resolution image reconstruction in parallel magnetic resonance imaging 平行磁共振成像中的超分辨率图像重建
IEEE ICCA 2010 Pub Date : 2010-07-26 DOI: 10.1109/ICCA.2010.5524456
Yanhong Lu, Ran Yang, Jingxin Zhang, Cisheng Zhang
{"title":"Super resolution image reconstruction in parallel magnetic resonance imaging","authors":"Yanhong Lu, Ran Yang, Jingxin Zhang, Cisheng Zhang","doi":"10.1109/ICCA.2010.5524456","DOIUrl":"https://doi.org/10.1109/ICCA.2010.5524456","url":null,"abstract":"In clinical applications, images with high resolution are often desired and required which may provide more details for doctors to make precise diagnosis. In this paper, an approach is proposed to increase image resolution of parallel magnetic resonance imaging. Since different receiver coils have different sensitivity profiles, different receiver channel models are constructed to map the original image information to low resolution images of different channels. Based on these models, the degradation function of every low resolution image can be obtained to compute the high resolution image iteratively using the well known super resolution approach. An in-vivo experiment is also provided to illustrate the feasibility and robustness of the proposed approach.","PeriodicalId":155562,"journal":{"name":"IEEE ICCA 2010","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125607897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
An autonomous mobile grasping system using visual servoing and nonlinear model predictive control 基于视觉伺服和非线性模型预测控制的自主移动抓取系统
IEEE ICCA 2010 Pub Date : 2010-06-09 DOI: 10.1109/ICCA.2010.5524177
Y. Wang, H. Lang, C. D. Silva
{"title":"An autonomous mobile grasping system using visual servoing and nonlinear model predictive control","authors":"Y. Wang, H. Lang, C. D. Silva","doi":"10.1109/ICCA.2010.5524177","DOIUrl":"https://doi.org/10.1109/ICCA.2010.5524177","url":null,"abstract":"This paper presents an autonomous grasping system using visual servoing and mobile robots. While this kind of system has many potential significant applications, there have been several key challenges, for example, localization accuracy, visibility and velocity constraints, obstacle avoidance, and so on, to prevent the implementation of such a system. The main contribution of this paper is to develop an adaptive nonlinear model predictive controller (NMPC) to meet all these challenges in one single controller. In particular, the model of the vision-based mobile grasping system is first derived. Then, based on the model, a nonlinear predictive control strategy with vision feedback is proposed to deal with the issues of optimal control and constraints simultaneously. Different from other work in this field, in order to improve the performance, an adaptive mechanism is proposed in the paper to update the model online so that it can track the nonlinear time-varying plant in a real time manner. To the best of our knowledge, this is the first work to apply model predictive control to mobile visual servoing and consider various constraints at the same time. The approach was validated with two physical experiments. It was shown that the system with the new control strategy was quite successful to carry out an autonomous mobile grasping task in a complex environment.","PeriodicalId":155562,"journal":{"name":"IEEE ICCA 2010","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115596356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Accuracy analysis of DVL/IMU/magnetometer integrated navigation system using different IMUs in AUV 使用不同IMU的水下航行器DVL/IMU/磁力计组合导航系统精度分析
IEEE ICCA 2010 Pub Date : 2010-06-09 DOI: 10.1109/ICCA.2010.5524143
Y. Geng, R. Martins, J. Sousa
{"title":"Accuracy analysis of DVL/IMU/magnetometer integrated navigation system using different IMUs in AUV","authors":"Y. Geng, R. Martins, J. Sousa","doi":"10.1109/ICCA.2010.5524143","DOIUrl":"https://doi.org/10.1109/ICCA.2010.5524143","url":null,"abstract":"This paper presents an integrated navigation system for autonomous underwater vehicles which is based on a Strapdown inertial navigation system (SDINS) accompanying Doppler velocity log (DVL), pressure sensor and magnetometer. The paper focuses on the performance analysis of the bias of inertial sensors and the error of position using different level IMU. An extended Kalman filter is employed to estimate the bias of the inertial sensors and then give the ultimate error of position in about one hour campaign. Numerical simulation was presented and the result shows that the performance of AUV mainly depends on the precision of DVL and magnetometer. The simulation also shows that the performances of the position accuracy with different IMUs are almost same.","PeriodicalId":155562,"journal":{"name":"IEEE ICCA 2010","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121815949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 24
Robust nonlinear receding horizon control of permanent magnet synchronous machine 永磁同步电机鲁棒非线性后退水平控制
IEEE ICCA 2010 Pub Date : 2010-06-09 DOI: 10.1109/ICCA.2010.5524426
R. Hedjar
{"title":"Robust nonlinear receding horizon control of permanent magnet synchronous machine","authors":"R. Hedjar","doi":"10.1109/ICCA.2010.5524426","DOIUrl":"https://doi.org/10.1109/ICCA.2010.5524426","url":null,"abstract":"This paper deals with robust nonlinear speed control of permanent magnet synchronous machine. The controller is based on one-step-ahead continuous time minimization of the predicted tracking error and no online optimization is required. An integral action is incorporated in the loop to increase the robustness of this control scheme against load torque variations. The proposed nonlinear controller permits to achieve asymptotic speed tracking in presence of unknown load torque and resistance variations. Simulations are performed to validate the tracking performance of the proposed controller.","PeriodicalId":155562,"journal":{"name":"IEEE ICCA 2010","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115768116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adaptive friction compensation in a Two-Link Planar Robot Manipulator using a new Lyapunov-based controller 基于lyapunov控制器的平面双连杆机器人自适应摩擦补偿
IEEE ICCA 2010 Pub Date : 2010-06-09 DOI: 10.1109/ICCA.2010.5524408
M. Noorbakhsh, A. Yazdizadeh
{"title":"Adaptive friction compensation in a Two-Link Planar Robot Manipulator using a new Lyapunov-based controller","authors":"M. Noorbakhsh, A. Yazdizadeh","doi":"10.1109/ICCA.2010.5524408","DOIUrl":"https://doi.org/10.1109/ICCA.2010.5524408","url":null,"abstract":"In this paper, an approach for constructing a nonlinear estimator for adaptive compensation of the Coulomb friction in mechanical control systems is proposed where the Coulomb friction coefficient is unknown but its variation with time is bounded. A Two-Link Planar Robot Manipulator is considered as a case study. The design is based on Lyapunov technique and attempts to compensate the frictional force by estimating the Coulomb friction coefficient. It is shown that asymptotic stability of the error dynamics is guaranteed. The major contribution of this paper is an adaptive control law for friction compensation in the system in which the variation of the Coulomb coefficient with time has not any specified frequency. The simulation results confirm the advantages of the proposed approach against the previous methods for a simple single-mass system as well as for a Two-Link Planar Robot Manipulator.","PeriodicalId":155562,"journal":{"name":"IEEE ICCA 2010","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116641888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
A real time control algorithm for a myoelectric glove for the rehabilitation of wrist and elbow of stroke patients 脑卒中患者腕肘康复用肌电手套的实时控制算法
IEEE ICCA 2010 Pub Date : 2010-06-09 DOI: 10.1109/ICCA.2010.5524324
S. Sasidhar, S. K. Panda, Jian-xin Xu
{"title":"A real time control algorithm for a myoelectric glove for the rehabilitation of wrist and elbow of stroke patients","authors":"S. Sasidhar, S. K. Panda, Jian-xin Xu","doi":"10.1109/ICCA.2010.5524324","DOIUrl":"https://doi.org/10.1109/ICCA.2010.5524324","url":null,"abstract":"This paper presents the initial work on implementing a simple control algorithm for a wearable orthotic glove using the myoelectric signals of a stroke patient as the input. The glove is used to assist in the rehabilitation of wrist and elbow. Surface myoelectric signals (MES) are acquired from the biceps brachii and the flexor carpi ulnaris. The MES is processed and temporal features are extracted which are then classified using a multilayer perceptron classfier(MLP) in simulation under real time application constraints. Control signals are generated by the classfier that can be used to actuate servo motors in the glove to facilitate elbow and wrist movement. The simplicity in the glove design and control motivates the patient to use the glove in physiotherapy sessions and at their homes, which is inherent to stroke rehabilitation, for better and faster recovery.","PeriodicalId":155562,"journal":{"name":"IEEE ICCA 2010","volume":"173 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120943468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Improved FastSLAM based on the particle fission for mobile robots 基于粒子裂变的移动机器人改进FastSLAM
IEEE ICCA 2010 Pub Date : 2010-06-09 DOI: 10.1109/ICCA.2010.5524227
Zhiqiang Wei, Jing Cao, B. Yin, Bing Liu
{"title":"Improved FastSLAM based on the particle fission for mobile robots","authors":"Zhiqiang Wei, Jing Cao, B. Yin, Bing Liu","doi":"10.1109/ICCA.2010.5524227","DOIUrl":"https://doi.org/10.1109/ICCA.2010.5524227","url":null,"abstract":"in this paper, we propose an improved method of FastSLAM for mobile robots. This improved method gives a solution to the sample impoverishment of ordinary particle filter by preprocessing before the resample. Experimental results show that the improved algorithm improves accuracy and real-time of robot localization and mapping compared to the EKF-SLAM as well as the regular FastSLAM and it is of better robustness. It provides a new approach to robot SLAM in out-door unknown environment.","PeriodicalId":155562,"journal":{"name":"IEEE ICCA 2010","volume":"132 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115463046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Decentralized LFC tuning for power systems with communication delays 具有通信延迟的电力系统的分散LFC调谐
IEEE ICCA 2010 Pub Date : 2010-06-09 DOI: 10.1109/ICCA.2010.5524287
W. Tan, Mei Yu, Hongxia Zhang
{"title":"Decentralized LFC tuning for power systems with communication delays","authors":"W. Tan, Mei Yu, Hongxia Zhang","doi":"10.1109/ICCA.2010.5524287","DOIUrl":"https://doi.org/10.1109/ICCA.2010.5524287","url":null,"abstract":"Decentralized load frequency control (LFC) for multi-area power systems with communication delays is studied in this paper. The TDF-IMC-PID tuning method is adopted to handle the constant delays. A method to analyze the stability of a multi-area power system with communication delays under a decentralized LFC is derived by accounting the inherent structure of the multi-area power system. Decentralized LFC tuning on a two-area and a three-area power system shows that the proposed method is easy to apply and good damping performance can be achieved.","PeriodicalId":155562,"journal":{"name":"IEEE ICCA 2010","volume":"107 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116366439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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