2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422)最新文献

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Evaluation of Shadow Range Finder: SRF for planetary surface exploration 用于行星表面探测的阴影测距仪:SRF评价
2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422) Pub Date : 2003-11-10 DOI: 10.1109/ROBOT.2003.1241980
Y. Kunii, T. Gotoh
{"title":"Evaluation of Shadow Range Finder: SRF for planetary surface exploration","authors":"Y. Kunii, T. Gotoh","doi":"10.1109/ROBOT.2003.1241980","DOIUrl":"https://doi.org/10.1109/ROBOT.2003.1241980","url":null,"abstract":"To gather a rock, it is necessary how to get information of the surface around a sample. Usually, a surface information is brought by a special sensor such as Laser Range Finder and Stereo Camera. These sensors, however, needs more weight and power consumption and are used for only one function such as the surface measurement. And furthermore, there are some difficulties to use those sensors in some case. In this research, we propose Shadow Range Finder: SRF, which can make good use of a shadow for the measurement of a surface information under the direct sunlight. Shadow is strong for above mentioned problem, and would be recognized in the case of a halation. The measurement by SRF uses a single camera, which should be installed on a manipulator for a sampling, and a link of a manipulator, which produce its shadow. The principle of SRF is same as Laser Range Finder, and a shadow is used for scanning slit instead of a laser. In this paper, experimental results of actual objects is shown, and we discusses about accuracy of measurement data. Finally, we evaluate image thresholding method by the consideration of theoretical value at a circular light source.","PeriodicalId":315346,"journal":{"name":"2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116600353","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 distributed route planning method for multiple mobile robots using Lagrangian decomposition technique 基于拉格朗日分解技术的多移动机器人分布式路径规划方法
2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422) Pub Date : 2003-11-10 DOI: 10.1109/ROBOT.2003.1242188
T. Nishi, Masakazu Ando, M. Konishi, J. Imai
{"title":"A distributed route planning method for multiple mobile robots using Lagrangian decomposition technique","authors":"T. Nishi, Masakazu Ando, M. Konishi, J. Imai","doi":"10.1109/ROBOT.2003.1242188","DOIUrl":"https://doi.org/10.1109/ROBOT.2003.1242188","url":null,"abstract":"For the transportation in semiconductor fabricating bay, route planning of multiple AGVs (Automated Guided Vehicles) is expected to minimize the total transportation time without collision and deadlock among AGVs. In this paper, we propose a distributed route planning method for multiple mobile robots using Lagrangian decomposition technique. The proposed method has a characteristic that each mobile robot individually creates a near optimal route through the repetitive data exchange among the AGVs and the local optimization of its route using Dijkstra's algorithm. The proposed method is successively applied to transportation route planning problem in semiconductor fabricating bay. The optimality of the solution generated by the proposed method is evaluated by using the duality gap derived by using Lagrangian relaxation method. A near optimal solution within 5% of duality gap for a large scale transportation system consisting of 143 nodes and 15 AGVs can be obtained only within five seconds of computation time. The proposed method is implemented on 3 AGVs system and the route plan is derived taking the size of AGV into account. It is experimentally shown that the proposed method can be found to be effective for various types of problems despite the fact that each route for AGV is created without considering the entire objective function.","PeriodicalId":315346,"journal":{"name":"2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128362003","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: 23
Singularity-free path planning of parallel manipulators using clustering algorithm and line geometry 基于聚类算法和线几何的并联机器人无奇异路径规划
2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422) Pub Date : 2003-11-10 DOI: 10.1109/ROBOT.2003.1241685
A. Dash, I. Chen, S. Yeo, Guilin Yang
{"title":"Singularity-free path planning of parallel manipulators using clustering algorithm and line geometry","authors":"A. Dash, I. Chen, S. Yeo, Guilin Yang","doi":"10.1109/ROBOT.2003.1241685","DOIUrl":"https://doi.org/10.1109/ROBOT.2003.1241685","url":null,"abstract":"This paper presents a numerical technique for path planning inside the workspace of parallel manipulators avoiding singularity. A generic numerical algorithm for generating the reachable workspace of parallel manipulators is described. The singularity points are determined inside the workspace. These points are grouped into several clusters and modeled as obstacles. Subsequently, a path planning algorithm is used to find an optimal path avoiding these obstacle. If any singularity point lies on or very close to the path, the path is restructured to avoid the singularity point by a local routing method based on Grassmann's line geometry. The path planning algorithm is uniformly applicable to parallel manipulators with any combinations of revolute and prismatic joints. An example is demonstrated for the effectiveness of the algorithm.","PeriodicalId":315346,"journal":{"name":"2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128546548","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: 49
The haptic scissors: cutting in virtual environments 触觉剪刀:在虚拟环境中切割
2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422) Pub Date : 2003-11-10 DOI: 10.1109/ROBOT.2003.1241696
A. Okamura, R. Webster, Jason T. Nolin, K. Johnson, H. Jafry
{"title":"The haptic scissors: cutting in virtual environments","authors":"A. Okamura, R. Webster, Jason T. Nolin, K. Johnson, H. Jafry","doi":"10.1109/ROBOT.2003.1241696","DOIUrl":"https://doi.org/10.1109/ROBOT.2003.1241696","url":null,"abstract":"The \"haptic scissors\" is a device that creates the sensation of cutting in virtual environments. The scissors have two degrees of freedom of motion and force feedback, one for cutting (single blade rotation) and one for translation. An algorithm was developed to simultaneously display translational and cutting forces for a realistic cutting simulation. In previous work, we use filtered data from cutting biological tissues to create \"haptic recordings\" of the cutting experience. Here, we consider two cutting models: one based on real tissue data and one that is analytical. The model based on real tissue is a segmented linear empirical model of the original data. Experimental results show that users cannot differentiate between these models and the haptic recordings created earlier. The analytical model uses a combination of friction, assumed material properties, and user motion (position and velocity) to determine the displayed cutting forces.","PeriodicalId":315346,"journal":{"name":"2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129304925","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: 100
Virtual fixture architectures for telemanipulation 远程操作的虚拟夹具体系结构
2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422) Pub Date : 2003-11-10 DOI: 10.1109/ROBOT.2003.1242016
J. Abbott, A. Okamura
{"title":"Virtual fixture architectures for telemanipulation","authors":"J. Abbott, A. Okamura","doi":"10.1109/ROBOT.2003.1242016","DOIUrl":"https://doi.org/10.1109/ROBOT.2003.1242016","url":null,"abstract":"A forbidden-region virtual fixture (FRVF) is a computer-generated constraint that displays position or force limitations to a robot manipulator or operator, in order to prevent motion into forbidden regions of the workspace. We compare nine FRVFs on each of four common telemanipulator control architectures: position forward, position exchange, position forward/force feedback, and position exchange/force feedback. A one-degree-of-freedom telemanipulation system was used in an experiment designed to simulate users working near a known forbidden region. The metrics of tracking, safety, and submittance were used to analyze the performance of the system with six different users. The results indicate that different FRVF architectures perform best for each of the three metrics. No single FRVF scheme is the best over all metrics, so selection of an FRVF architecture should be an application-dependent weighting of the three metrics. Across all control architectures, the results indicate that a very strong FRVF at the slave device in combination with no FRVF at the master device leads to poor telepresence.","PeriodicalId":315346,"journal":{"name":"2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124645038","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: 83
Synthesize stylistic human motion from examples 从例子中综合文体的人体动作
2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422) Pub Date : 2003-11-10 DOI: 10.1109/ROBOT.2003.1242195
A. Nakazawa, Shin'ichiro Nakaoka, K. Ikeuchi
{"title":"Synthesize stylistic human motion from examples","authors":"A. Nakazawa, Shin'ichiro Nakaoka, K. Ikeuchi","doi":"10.1109/ROBOT.2003.1242195","DOIUrl":"https://doi.org/10.1109/ROBOT.2003.1242195","url":null,"abstract":"The human body motion synthesis is highly necessary for humanoid robots' motion planning and computer animations. In this paper, new method for generating human-like natural motions based on the motion database acquired by motion capture systems is described. On the analysis step, the acquired motions are divided into some motion segments, and then the characteristic poses and motions are archived as 'motion styles'. The motion style is a kind of the human skill, and it's unique to the motions' scenario, such as the different kinds of dances. On the synthesis step, users direct the key poses of human figures. The system generates the characteristic motions according to the user's directions and motion style database. The experiment result shows that this method can synthesize the realistic 'stylized' motions with this framework.","PeriodicalId":315346,"journal":{"name":"2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129898542","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: 22
Implementing configuration dependent gaits in a self-reconfigurable robot 自重构机器人构型依赖步态的实现
2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422) Pub Date : 2003-11-10 DOI: 10.1109/ROBOT.2003.1242184
K. Støy, Wei-Min Shen, P. Will
{"title":"Implementing configuration dependent gaits in a self-reconfigurable robot","authors":"K. Støy, Wei-Min Shen, P. Will","doi":"10.1109/ROBOT.2003.1242184","DOIUrl":"https://doi.org/10.1109/ROBOT.2003.1242184","url":null,"abstract":"In this paper we examine locomotion in the context of self-reconfigurable robots. Self-reconfigurable robots are robots built from many connected modules. A self-reconfigurable robot can change its shape and configuration by changing the way these modules are connected. The focus of this paper is to understand how several locomotion gaits can be represented in such a robot and how the robot can select one of these gaits depending on its configuration. We implement a control system based on role based control in a physical self-reconfigurable robot built from seven modules. In several experiments we successfully demonstrate that when the robot is manually reconfigured from a chain to a quadruped configuration the robot changes gait from a sidewinder snake gait to a quadruped walking gait. We conclude that role based control is a promising central method for controlling locomotion of self-reconfigurable robots.","PeriodicalId":315346,"journal":{"name":"2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130635447","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: 31
Learning human control strategy for dynamically stable robots: support vector machine approach 动态稳定机器人的人类控制策略学习:支持向量机方法
2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422) Pub Date : 2003-11-10 DOI: 10.1109/ROBOT.2003.1242124
Y. Ou, Yangsheng Xu
{"title":"Learning human control strategy for dynamically stable robots: support vector machine approach","authors":"Y. Ou, Yangsheng Xu","doi":"10.1109/ROBOT.2003.1242124","DOIUrl":"https://doi.org/10.1109/ROBOT.2003.1242124","url":null,"abstract":"In this paper, we discuss the problem of how human control strategy can be represented as a parametric model using a Support Vector Machine (SVM), and how an SVM-based controller can be used to effectively control a dynamically stable system. We formulate the learning problem as a support vector regression and develop a new SVM learning structure to better implement human control strategy learning in control. The approach is fundamentally valuable in dealing with problems that normally dynamically stable robots experience, such as small sample data and local minima, and therefore is extremely useful in abstracting human controller for dynamic systems. The experimental study on the SVM approach with respect to other approaches clearly demonstrated the superiority of the SVM approach in terms of fidelity, efficiency and effectiveness in implementation.","PeriodicalId":315346,"journal":{"name":"2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123528199","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: 10
Calculating possible local displacement of curve objects using improved screw theory 用改进的螺旋理论计算曲线物体可能的局部位移
2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422) Pub Date : 2003-11-10 DOI: 10.1109/ROBOT.2003.1242192
J. Takamatsu, K. Ogawara, H. Kimura, K. Ikeuchi
{"title":"Calculating possible local displacement of curve objects using improved screw theory","authors":"J. Takamatsu, K. Ogawara, H. Kimura, K. Ikeuchi","doi":"10.1109/ROBOT.2003.1242192","DOIUrl":"https://doi.org/10.1109/ROBOT.2003.1242192","url":null,"abstract":"Various methods to recognize assembly tasks using possible local displacement of objects have been proposed. To calculate this displacement, the screw theory is employed. It is equivalent to the first order Taylor expansion of the displacement. However, such methods can treat polyhedral objects only. Because the screw theory cannot treat curvature information of objects. In this paper, we propose a method to calculate possible local displacement of curve objects using improved screw theory, which is equivalent to the second order Taylor expansion of the displacement, and verify the validity of the proposed method.","PeriodicalId":315346,"journal":{"name":"2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123624287","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
Simultaneous localization and mapping with unknown data association using FastSLAM 同时定位和地图与未知数据关联使用FastSLAM
2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422) Pub Date : 2003-11-10 DOI: 10.1109/ROBOT.2003.1241885
Michael Montemerlo, S. Thrun
{"title":"Simultaneous localization and mapping with unknown data association using FastSLAM","authors":"Michael Montemerlo, S. Thrun","doi":"10.1109/ROBOT.2003.1241885","DOIUrl":"https://doi.org/10.1109/ROBOT.2003.1241885","url":null,"abstract":"The extended Kalman filter (EKF) has been the de facto approach to the Simultaneous Localization and Mapping (SLAM) problem for nearly fifteen years. However, the EKF has two serious deficiencies that prevent it from being applied to large, real-world environments: quadratic complexity and sensitivity to failures in data association. FastSLAM, an alternative approach based on the Rao-Blackwellized Particle Filter, has been shown to scale logarithmically with the number of landmarks in the map. This efficiency enables FastSLAM to be applied to environments far larger than could be handled by the EKF. In this paper, we show that FastSLAM also substantially outperforms the EKF in environments with ambiguous data association. The performance of the two algorithms is compared on a real-world data set with various levels of odometric noise. In addition, we show how negative information can be incorporated into FastSLAM in order to improve the accuracy of the estimated map.","PeriodicalId":315346,"journal":{"name":"2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120953278","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: 519
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