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Proceedings 2001 IEEE/RSJ International Conference on Intelligent Robots and Systems. Expanding the Societal Role of Robotics in the the Next Millennium (Cat. No.01CH37180)最新文献

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Guiding a mobile robot with an Internet application 引导移动机器人与互联网应用程序
P. Skrzypczyński
The use of intelligent robotic systems operated through computer networks allows the users to interact with remote environments. We present the INTERLABNET system that allows us to tele-operate a semiautonomous mobile robot over the Internet/intranet network. The software of this system has been written entirely in Java to achieve high platform-independence. The user interface runs as an applet within a Web browser. We present the configuration of the system, main software modules and some results of experiments.
通过计算机网络操作的智能机器人系统的使用允许用户与远程环境进行交互。我们提出的INTERLABNET系统,使我们能够远程操作一个半自主移动机器人在互联网/内部网。本系统的软件全部采用Java语言编写,具有很高的平台独立性。用户界面在Web浏览器中作为applet运行。给出了系统的组成、主要软件模块和一些实验结果。
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引用次数: 4
A miniature hybrid robot propelled by legs 一个由腿推动的微型混合机器人
M. C. Birch, R. Quinn, G. Hahm, S. Phillips, Barry Drennan, R. Beer, Xinyu Yu, S. Garverick, S. Laksanacharoen, A. J. Pollack, R. Ritzmann
Describes the development of an autonomous hybrid micro-robot that uses legs for propulsion and support of the rear half of the body and uses a pair of wheels for support of the front half. McKibben artificial muscles actuate the legs and the compressed air that activates the actuators is generated by an on-board power plant comprising a pair of lithium batteries powering a gear motor driven air compressor. The control is also onboard in the form of a PIC that controls the actuators through four three-way valves that each consists of a pair of MEMS devices.
描述了一种自主混合微型机器人的开发,该机器人使用腿来推进和支撑身体的后半部,并使用一对轮子来支撑身体的前半部。McKibben人造肌肉驱动双腿,而驱动驱动器的压缩空气是由机载动力装置产生的,该装置由一对锂电池组成,为齿轮马达驱动的空气压缩机提供动力。该控制器也以PIC的形式在板载,通过四个三通阀控制执行器,每个三通阀由一对MEMS器件组成。
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引用次数: 30
Design of terrain adaptive versatile crawler vehicle HELIOS-VI 地形自适应多用途履带车HELIOS-VI的设计
S. Hirose, E. F. Fukushima, R. Damoto, H. Nakamoto
We are developing the "HELIOS" series, platforms for off-road vehicles and powered wheelchairs that are able to ascend and descend stairs. At present, we are developing an endless rotation locomotion type terrain adaptive vehicle "HELIOS-VI" that is propelled by 2 crawler belts. This vehicle has two continuously variable transmissions to change the velocity and direction of locomotion. The vehicle also has two active arms attached to the axis of the one drive pulley of the active crawler. One of the arms has two passive tires installed at its tip, and improves the vehicle's terrain adaptability in rough terrain; the other arm carries payload and adjusts payload posture. We introduced a structure that can change the posture of this load dynamically. This paper first outlines development process of the HELIOS series, and then discusses the configuration of terrain adaptive crawler vehicle HELIOS-VI and the design of its driving mechanism.
我们正在开发“HELIOS”系列,用于越野车辆的平台和能够上下楼梯的电动轮椅。目前,我们正在开发一种无限旋转运动型地形自适应车辆“HELIOS-VI”,由2条履带推进。这辆车有两个连续可变变速器来改变运动的速度和方向。车辆还具有附加到主动履带的一个驱动滑轮的轴上的两个主动臂。其中一臂的尖端安装了两个被动轮胎,提高了车辆在崎岖地形中的地形适应性;另一只手臂携带有效载荷并调整有效载荷姿态。我们引入了一种可以动态改变负载姿态的结构。本文首先概述了HELIOS系列履带式车辆的发展历程,然后讨论了地形自适应履带式车辆HELIOS- vi的配置及其驱动机构的设计。
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引用次数: 65
Design of SMC rover: development and basic experiments of arm equipped single wheel rover SMC漫游者的设计:臂式单轮漫游者的研制与基础实验
A. Kawakami, A. Torii, S. Hirose
We have already proposed a new planetary rover system called "SMC rover". This system consists of one main body and some wheel units, which are detachable and able to work as child rovers called "arm equipped single wheel rovers". A trial model of "small arm equipped single wheel rover" has already been designed and developed. In this paper, we explain the mechanisms of this rover, and also the results of basic experiments of locomotion and manipulation.
我们已经提出了一种新的行星探测车系统,称为“SMC探测车”。该系统由一个主体和一些轮单元组成,这些轮单元是可拆卸的,可以作为子漫游车工作,称为“臂装单轮漫游车”。设计并研制了“小臂装备单轮漫游者”试验模型。在本文中,我们解释了该漫游者的机理,以及运动和操纵的基本实验结果。
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引用次数: 20
Smoothing stability roughness of a robot arm under dynamic load using reinforcement learning 基于强化学习的机械臂动载荷平滑稳定性粗糙度研究
Burak H. Kaygisiz, A. Erkmen, I. Erkmen
We introduce in this paper a new fractal/rough set modeling approach to the domains of attraction of nonlinear systems obtained by cell mapping. The state space is partitioned into cells and the stability regions found using cell to cell mapping. Our new approach gives a fractal rough set identity to the domains of attraction where cells are identified according to their fractal dimension as fully stable, possibly stable and unstable. There the stability domain is a rough set where fully stable cells determine the lower approximation of the domain, and possibly stable cells its rough boundary. Consequently, the totality of these cells forms an upper approximation to the rough stability domain. The boundary of this domain which is a rough set of cells having a fractal dimension as an attribute of roughness is smoothed, minimising the inherent stability uncertainty of the region, using a reinforcement learning technique which takes into account the stability history of each fractal/rough cell. This new approach intended to reinforce the performance of a controller under stability uncertainty is applied for illustrative purposes to a two-axis robot arm under dynamic load.
本文介绍了一种新的分形/粗糙集建模方法来处理由单元映射得到的非线性系统的吸引域。将状态空间划分为单元,并使用单元到单元的映射找到稳定区域。我们的新方法给出了吸引力域的分形粗糙集恒等式,其中细胞根据它们的分形维数被识别为完全稳定,可能稳定和不稳定。在这里,稳定域是一个粗糙集,其中完全稳定的单元确定域的下近似,可能稳定的单元确定域的粗糙边界。因此,这些单元的总和形成了粗糙稳定域的上近似。该领域的边界是具有分形维数的粗糙单元集,作为粗糙度的属性被平滑,使用考虑到每个分形/粗糙单元的稳定性历史的强化学习技术,最大限度地减少了该区域固有的稳定性不确定性。这种新方法旨在增强控制器在稳定性不确定性下的性能,并应用于动态负载下的两轴机械臂。
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引用次数: 5
Reducing metric sensitivity in randomized trajectory design 降低随机轨迹设计中的度量灵敏度
P. Cheng, S. LaValle
This paper addresses the trajectory design for generic problems that involve: (1) complicated global constraints that include nonconvex obstacles, (2) nonlinear equations of motion that involve substantial drift due to momentum, and (3) a high-dimensional state space. Our approach to these challenging problems is to develop randomized planning algorithms based on rapidly-exploring random trees (RRTs). RRTs use metric-induced heuristics to conduct a greedy exploration of the state space; however, performance substantially degrades when the chosen metric does not adequately reflect the true cost-to-go. In this paper, we present a version of the RRT that refines its exploration strategy in the presence of a poor metric. Experiments on problems in vehicle dynamics and spacecraft navigation indicate substantial performance improvement over existing techniques.
本文讨论了一般问题的轨迹设计,这些问题涉及:(1)包括非凸障碍物的复杂全局约束,(2)由于动量而涉及大量漂移的非线性运动方程,以及(3)高维状态空间。我们解决这些具有挑战性的问题的方法是开发基于快速探索随机树(RRTs)的随机规划算法。RRTs使用度量诱导启发式对状态空间进行贪婪探索;然而,当所选择的度量不能充分反映实际成本时,性能就会大大降低。在本文中,我们提出了RRT的一个版本,该版本在存在较差度量的情况下改进了其勘探策略。在车辆动力学和航天器导航问题上的实验表明,与现有技术相比,性能有了实质性的提高。
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引用次数: 130
Manipulation of a large object by multiple DR Helpers in cooperation with a human 多个DR helper与人类合作对大型对象的操作
Y. Hirata, T. Takagi, K. Kosuge, H. Asama, H. Kaetsu, K. Kawabata
We propose a decentralized control algorithm of multiple robot helpers, called DR Helpers, which have been developed for manipulating a large object in cooperation with humans. In this algorithm, each robot is controlled as if it has a caster-like dynamics around a representative point attached to the object, and manipulation of a large or long object in cooperation with a human can be realized easily. The proposed control algorithm is experimentally applied to two DR Helpers and experimental results illustrate the validity of the proposed control algorithm.
我们提出了一种多机器人助手的分散控制算法,称为DR助手,它是为与人类合作操纵大型物体而开发的。在该算法中,每个机器人都被控制,就好像它在附着在物体上的一个代表性点周围有一个类似脚轮的动力学,并且可以很容易地实现与人类合作对大型或长物体的操作。将所提出的控制算法应用于两台DR helper的实验中,实验结果验证了所提出控制算法的有效性。
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引用次数: 21
A self-propelling endoscopic system 一个自我推进的内窥镜系统
Y. Lim, Jinhee Lee, Jisang Park, Byungkyu Kim, J. Park, Soohyun Kim, Yeh-Sun Hong
The existing colonoscope requires a dexterous skill of surgeon to perform the insertion in entire colon. The procedure is painful to the patient. Therefore, biomedical and robotic researchers are developing a locomotive colonoscope that can travel safely in colon In this paper, we describe a new design and concept of semi-autonomous micro robot for colonoscopy. The micro robot comprises the actuation system, bow-shaped flexible supporters to keep the space between colon wall and the actuator camera and LED for diagnosis and steering system to pass through the acute angle in colon. We suggest two actuating methods. One is based on the reaction force, and the other on impact force. For the performance test, the preliminary experiments are carried out in rigid pipe to validate the concept.
现有的结肠镜需要熟练的外科医生才能在整个结肠内插入。这个过程对病人来说是痛苦的。因此,生物医学和机器人研究人员正在开发一种可以在结肠中安全行驶的机车结肠镜。本文描述了一种半自主微型结肠镜机器人的新设计和概念。微型机器人包括致动系统、保持结肠壁之间空间的弓形柔性支架、致动器摄像头和用于诊断的LED以及通过结肠锐角的转向系统。我们建议两种执行方法。一个是基于反作用力,另一个是基于冲击力。为了进行性能测试,在刚性管道中进行了初步实验以验证该概念。
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引用次数: 23
Stagnation point control by pressure balancing in microchannel for high speed and high purity separation of microobject 利用压力平衡控制微通道内的驻点,实现微物体的高速高纯分离
F. Arai, A. Ichikawa, T. Fukuda, K. Horio, K. Itoigawa
We developed a new system for random separation of a single microorganism, such as a living cell and a microbe, in a micro fluidic device under the microscope using laser manipulation and microchannel flow. The main flow in the microchannel splits at the exit of the sample chamber. One flow goes to the extraction port with high speed to take out the target. Another flow goes to the drain. The target was transported by laser manipulation from the sample chamber to put on the main flow. Since the force balance of the laser-trapped object is important for stable manipulation of the target, we propose the stagnation point control around the sample chamber exit. Pressure balance was adjusted and the stagnation point was controlled. Some preliminary experiments are conducted to show the effectiveness. The target was trapped by the laser transported to put on the main flow around the split area through the stagnation, and was taken out from the extraction port. Separation time was reduced less than 10 seconds.
我们开发了一种新的系统,用于在显微镜下的微流体装置中随机分离单个微生物,如活细胞和微生物。微通道中的主流在样品室的出口处裂开。一股气流高速进入提取口取出目标。另一股流进了下水道。通过激光操纵将靶材从样品室输送到主流上。由于激光捕获目标的力平衡对目标的稳定操纵很重要,我们提出了样品室出口附近的驻点控制。调整压力平衡,控制止滞点。通过初步实验验证了该方法的有效性。目标被激光捕获,通过滞流输送到劈裂区周围的主流上,并从抽吸口取出。分离时间缩短至10秒以内。
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引用次数: 6
Picking up a piece of fabric from layers by a hand with 3 fingers and a palm 用一只有三个手指和一个手掌的手从一层一层的织物中捡起一块
E. Ono, K. Kitagaki, M. Kakikura
This paper investigates the handling of a fabric - a limp material with softness and flexibility. The fabric is characterized not only by its malleability but also its nonlinear properties. These properties are considered for picking up a piece of fabric. The robot hand with 3 fingers and a palm, that is used to study various handling techniques, is introduced. Its performance when picking up a piece from layers is experimentally shown.
本文研究了一种织物的处理方法——一种柔软柔韧的软质材料。这种织物不仅具有延展性,而且具有非线性特性。拿起一块织物时要考虑这些特性。介绍了用于学习各种搬运技术的三指一掌机械手。实验显示了它在从层中拾取一块时的性能。
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引用次数: 12
期刊
Proceedings 2001 IEEE/RSJ International Conference on Intelligent Robots and Systems. Expanding the Societal Role of Robotics in the the Next Millennium (Cat. No.01CH37180)
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