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2016 IEEE International Conference on Mechatronics and Automation最新文献

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Study of audiovisual asynchrony signal processing: Robot recognition system of different ages 视听异步信号处理研究:不同年龄机器人识别系统
Pub Date : 2016-09-05 DOI: 10.1109/ICMA.2016.7558927
Yanna Ren, Weiping Yang, Qiong Wu, Fengxia Wu, Satoshi Takahashi, Ejima Yoshimichi, Jinglong Wu
The current studies indicated that sound can improve the visual perception. However, whether the gain is influenced by temporal disparity between visual and auditory stimuli, and whether the gain is the same for older and younger adults remains unclear. To clarify this mechanism, ten older adults and 10 younger adults were invited to confirm and visual/auditory discrimination task. The visual target task, visual irrelevant task, auditory target task, and auditory irrelevant task randomly presented on the right or left hemi-space of the central fixation point and the subjects were instructed to respond to target stimuli rapidly and accurately. The results showed that in the younger adults, the gain was greatest in the simultaneous audiovisual condition. With the enlargement of temporal disparity between visual stimulus and auditory stimulus, the gain decreased significantly, and the alterative slope was different between auditory proceeded visual stimulus and visual proceeded auditory stimulus. In the older adults, the variation tendency was similar to younger adults, but in all conditions, the response of older adults was significantly slower than that of younger adults. Our results suggested that the visual gains were influenced by temporal disparity between auditory and visual stimuli, and further suggested that the gain mechanism between auditory proceeded visual stimuli and visual proceeded auditory stimuli was different, which indicated that the development of intelligent robot should consider the condition of the target subject to switch to the adapt procedure.
目前的研究表明,声音可以改善视觉感知。然而,这种增益是否受到视觉和听觉刺激之间的时间差异的影响,以及老年人和年轻人的增益是否相同,目前尚不清楚。为了阐明这一机制,我们邀请了10名老年人和10名年轻人来确认视觉/听觉辨别任务。视觉目标任务、视觉无关任务、听觉目标任务和听觉无关任务随机呈现在中央注视点的左右半空间,指导被试快速准确地对目标刺激作出反应。结果表明,在年轻的成年人中,同时视听条件下的增益最大。随着视觉刺激与听觉刺激时间差异的增大,增益显著减小,听觉继续视觉刺激与视觉继续听觉刺激的交替斜率存在差异。在老年人中,变化趋势与年轻人相似,但在所有条件下,老年人的反应明显慢于年轻人。结果表明,视觉增益受听觉和视觉刺激时间差异的影响,听觉继续视觉刺激和视觉继续听觉刺激之间的增益机制不同,这表明智能机器人的开发应考虑目标主体的条件切换到适应过程。
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引用次数: 1
Study on a multi-robot cooperative wireless communication control system for the spherical amphibious robot 球形水陆两栖机器人多机器人协同无线通信控制系统研究
Pub Date : 2016-09-05 DOI: 10.1109/ICMA.2016.7558723
Shuxiang Guo, Xin Li, Jian Guo
In multi-robot cooperative control system where robots will complete a common task, it is significant to have a better communication among robots. This paper proposed a multi-robot cooperative control system for the spherical amphibious robot. The aim of this method is to set up a point to multipoint network which supports multiple robots link in. Moreover, Multi-robot cooperative control system is given to achieve master-slave approaches, where leader robot guides the slave robots. Multi-robot cooperative control system is a novel approach to the coordination of large numbers of relatively team robots which takes its inspiration from many aspects. We carried out some experiments, and experimental results indicated that using XBee modules with ZigBee protocol to transmit control signal to the robot is an efficiency way. ZigBee communication mode is very suitable for low power consumption, and low data transmission applications, which can be taken into consideration about the communication constraints among amphibious robots. The experimental results indicated that signals are transmitted efficiently in the low power environment by using XBee communications module, and proposed communication control system has excellent performance in low SNR environments. This communication system is very suitable in the low power environment, and the multi-robot cooperative wireless communication system can be used to underwater detection and environmental reconnaissance and military defense, etc.
在多机器人协同控制系统中,机器人将完成一个共同的任务,因此机器人之间的良好通信具有重要意义。提出了一种球形水陆两栖机器人多机器人协同控制系统。该方法的目的是建立一个支持多个机器人连接的点到多点网络。在此基础上,提出了多机器人协同控制系统,实现了领导机器人引导从机器人的主从方式。多机器人协同控制系统是解决大量相对团队机器人协调问题的一种新方法,它的灵感来源于许多方面。实验结果表明,采用XBee模块结合ZigBee协议向机器人传输控制信号是一种有效的方式。ZigBee通信模式非常适合低功耗、低数据传输的应用,可以考虑水陆两栖机器人之间的通信约束。实验结果表明,采用XBee通信模块可以在低功耗环境下有效传输信号,所提出的通信控制系统在低信噪比环境下具有优异的性能。该通信系统非常适用于低功耗环境,多机器人协同无线通信系统可用于水下探测与环境侦察、军事防御等。
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引用次数: 3
Analysis of dynamic characteristics of rugged vessel in the process of hepatic perfusion 崎岖血管在肝脏灌注过程中的动态特性分析
Pub Date : 2016-09-05 DOI: 10.1109/ICMA.2016.7558721
Songli Wang, Jun Liu, Yihe Liu, W. Ge
The paper attempts to analyze the dynamic characteristics in the perfusion process of the hepatic vessel. A model of rugged vessel with a foreign matter was established based upon medical imaging data. The fluid flowing in the rugged vessel was simulated using the perfusion method of the symmetric pulsating flow (SPF) and the steady flow under the bidirectional fluid-structure interaction (FSI). The simulation results, on the one hand, demonstrate the feasibility of SPF within the perfusion process of the rugged vessel in liver. On the other hand, the results clearly show the dynamic behaviors which accorded with actual medical results. Comparing the perfusion results of the rugged vessel using SPF with the steady flow, the difference of vascular deformation is not obvious, while the peak of velocity in the rugged vessel used SPF is about 50% higher than that of the steady flow, that reveals SPF is more likely to take away the foreign matter. The study will be helpful to improve the quality of the donor liver and reduce the influence of subjective factors on the quality of cleaning, and it provides theoretical basis for the liver transplantation.
本文试图对肝血管灌注过程中的动态特性进行分析。根据医学影像资料,建立了带有异物的坚固血管模型。采用对称脉动流(SPF)和双向流固耦合(FSI)下的定常流灌注方法,模拟了凹凸不平容器内的流体流动。仿真结果一方面证明了SPF在肝脏崎岖血管灌注过程中的可行性;另一方面,计算结果清晰地显示了与实际医学结果相符的动力行为。将使用SPF的加固血管灌注结果与稳定流的灌注结果进行比较,血管变形差异不明显,而使用SPF的加固血管的流速峰值比稳定流的流速峰值高50%左右,说明SPF更容易带走异物。本研究将有助于提高供肝质量,减少主观因素对清洁质量的影响,为肝移植提供理论依据。
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引用次数: 0
A force measurement system for lithium-ion battery forming tab-clamp and its electromagnetic shielding design 锂离子电池成型卡夹力测量系统及其电磁屏蔽设计
Pub Date : 2016-09-05 DOI: 10.1109/ICMA.2016.7558900
C. Ding, Yanzhu Yang, Pei Liu
Consistency of the holding force upon the battery pole-piece is one of the most critical factors to impact the quality of lithium-ion battery formation. To ensure the consistency of holding force on the same batch of electrode tab-clamps, a set of clamping force measurement system is developed to improve quality control. This paper proposes a method to measure the quasi-static force with PVDF piezoelectric sensor, which convert force into electric charge signal. Since the electric charge easily runs off and its acquisition and conversation tend to be interrupted by the external electromagnetic interferences, the electromagnetic shielding designs, such as PCB shielding design in sealed metal shell that filled with helium, and anti-interference design through coating PVDF sensor with kapton tape and copper tape, have been optimized to solve the difficulty of measuring transient charge and realize the measurement of quasi static force on the tab-clamps. The impactful results after experiments also indicate excellent application for the similar system about electric charge measurement in the future.
电池极片持力的一致性是影响锂离子电池成型质量的关键因素之一。为了保证同一批电极卡钳夹紧力的一致性,开发了一套夹紧力测量系统,以提高质量控制。本文提出了一种用PVDF压电传感器测量准静力的方法,将力转换为电荷信号。为了解决瞬态电荷测量难的问题,实现卡钳准静力的测量,对电磁屏蔽设计进行了优化,如在密封金属壳中填充氦气的PCB屏蔽设计,以及在PVDF传感器上涂覆卡顿带和铜带的抗干扰设计。实验结果对今后类似的电荷测量系统具有良好的应用前景。
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引用次数: 0
Velocity measurement of intelligent wheelchair based on restoration of optical flow field 基于光流场复原的智能轮椅速度测量
Pub Date : 2016-09-05 DOI: 10.1109/ICMA.2016.7558809
Xiuzhi Li, Chuanluo Xu, S. Jia, Shangyu Li
In this paper, the accuracy improvement of velocity measurement of intelligent wheelchair based on optical flow is studied. When wheelchair moves indoor, mechanical jittering occurs slightly, which has an impact on the accuracy of optical flow odometry. To solve the problem, a novel restoration method of optical flow field is proposed. Firstly, we select the starting and end points of optical flow vectors as the matched feature points, then solve the initial affine kinematic parameters using least square method. In the following, Kalman Filter (KF) is used to smooth the parameters with futile shake. In the end, optical flow field can be compensated to prepare for the follow-up optical flow odometry. Our experiments demonstrate the effectiveness of our method on velocity measurement of intelligent wheelchair.
本文研究了基于光流的智能轮椅测速精度的提高。轮椅在室内运动时,会发生轻微的机械抖动,影响光流里程计的精度。为了解决这一问题,提出了一种新的光流场恢复方法。首先选取光流矢量的起始点和结束点作为匹配特征点,然后利用最小二乘法求解初始仿射运动参数;下面,使用卡尔曼滤波器(KF)平滑带有无效抖动的参数。最后对光流场进行补偿,为后续的光流里程测量做准备。实验验证了该方法在智能轮椅速度测量中的有效性。
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引用次数: 1
Force feedback-based robotic catheter training system for the vascular interventional surgery 基于力反馈的血管介入手术机器人导尿管训练系统
Pub Date : 2016-09-05 DOI: 10.1109/ICMA.2016.7558907
Shuxiang Guo, Lin Yan, Jian Guo
Virtual catheter training system is a typical application of Virtual reality(VR) technology in the medical field. Doctors must operate catheters through experience accurately in traditional minimally invasive surgery(MIS) to ensure the safety of the operation. In order to improve the operation skills we proposed the force feedback-based robotic catheter training system. In this paper, we can obtain force feedback through the catheter with CyberGlove. We established the high precise 3D model, and then we set up the mapping relationship between CyberGlove and the virtual hand, realizing the human-computer interaction. Based on the previous work, we created a virtual environment completed the collision detection and force feedback. In addition, the relevant verification experiment confirmed that the virtual environment makes surgery more immersive, the experimental result proved this system could simulate the real force feedback process, and the feedback force is 0.619N when the biggest variable value is 0.5mm.
虚拟导尿管训练系统是虚拟现实(VR)技术在医疗领域的典型应用。在传统的微创手术中,医生必须通过经验准确地操作导管,以保证手术的安全性。为了提高机器人的操作技能,提出了基于力反馈的机器人导尿管训练系统。在本文中,我们可以利用CyberGlove通过导管获得力反馈。在建立高精度三维模型的基础上,建立了CyberGlove与虚拟手的映射关系,实现了人机交互。在之前工作的基础上,我们创建了一个虚拟环境,完成了碰撞检测和力反馈。此外,相关验证实验证实了虚拟环境使手术更具沉浸感,实验结果证明该系统可以模拟真实的力反馈过程,最大变量值为0.5mm时反馈力为0.619N。
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引用次数: 8
Motion estimation using optical flow sensors and rate gyros 利用光流传感器和速率陀螺仪进行运动估计
Pub Date : 2016-09-05 DOI: 10.1109/ICMA.2016.7558821
Xiaoming Liu, Zhongyuan Chen, W. Chen, X. Xing
Optical flow sensors (OFSs), with characteristics of small size, light weight, low cost, little power consumption, fast response and no radiation, are suitable for miniature aerial vehicles (MAVs) to detect the environment around them. According to our recent works, besides the velocity and the flight height above the ground, many other flight states can also be obtained using optical flow sensors and rate gyros, including attack angle, sideslip angle, MAV's Euler angles and so on. In this paper, a placement scheme of OFSs on a MAV is proposed. After establishing the measurement equations, an Unscented Kalman Filter (UKF) is applied to estimate the flight states of the MAV. Simulation results show that the flight states can be estimated accurately and quickly. The initial error between the true values and the estimations will be distinguished in about 4 seconds. Using the estimations as feedbacks, the autopilot can control the MAV effectively. Optimal placement scheme of OFSs is also discussed.
光流传感器(ofs)具有体积小、重量轻、成本低、功耗小、响应快、无辐射等特点,适用于微型飞行器(MAVs)探测周围环境。根据我们最近的工作,除了速度和离地高度外,利用光流传感器和速率陀螺仪还可以获得许多其他的飞行状态,包括攻角、侧滑角、MAV的欧拉角等。本文提出了一种微型飞行器上ofs的布置方案。在建立测量方程的基础上,应用无气味卡尔曼滤波(UKF)对飞行器的飞行状态进行估计。仿真结果表明,该方法可以准确、快速地估计飞行状态。真实值和估计值之间的初始误差将在大约4秒内区分出来。利用这些估计作为反馈,自动驾驶仪可以有效地控制MAV。讨论了ofs的最优布局方案。
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引用次数: 4
Methods of target motion estimation for AUV target tracking 水下航行器目标跟踪中目标运动估计方法
Pub Date : 2016-09-05 DOI: 10.1109/ICMA.2016.7558897
Wang Ying, W. Hongjian, Li Chun, Li Qing
When the autonomous underwater vehicle (AUV) perform underwater target tracking tasks, it is hard to guarantee the tracking accuracy because of the complexity and changefulness of the motion of the target. To overcome this problem, the unscented Kalman filter (UKF) and particle filter (PF) is designed by using Kalman filtering and particle filtering method, and both the typical motion model and nonlinear stochastic motion model of the target has been established. Now by analyzing the data collected from the forward looking sonar, the motion track can be estimated by the two filters. Finally, the simulation experiments for the nonlinear random motion have been conducted based on Matlab respectively, the results show that the estimation accuracy of UKF and PF is significantly higher that of EKF, thus the validity of the estimation of target motion by using the unscented Kalman filter and particle filter is verified.
自主水下航行器(AUV)在执行水下目标跟踪任务时,由于目标运动的复杂性和多变性,很难保证跟踪精度。针对这一问题,采用卡尔曼滤波和粒子滤波方法设计了无气味卡尔曼滤波器(UKF)和粒子滤波器(PF),建立了目标的典型运动模型和非线性随机运动模型。现在通过分析前视声纳采集到的数据,可以通过两个滤波器估计运动轨迹。最后,基于Matlab分别对非线性随机运动进行了仿真实验,结果表明,UKF和PF的估计精度明显高于EKF,从而验证了无气味卡尔曼滤波和粒子滤波对目标运动估计的有效性。
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引用次数: 4
Automatic path and trajectory planning for laser cladding robot based on CAD 基于CAD的激光熔覆机器人路径轨迹自动规划
Pub Date : 2016-09-05 DOI: 10.1109/ICMA.2016.7558757
Huadong Zheng, M. Cong, Dong Liu, Yi Liu, Yuqing Du
The robot path planning for forming complex parts is one of the key techniques in coaxial laser cladding powder. In this paper, a method of automatic robot path generation from CAD (computer aided design) is proposed. The size information and topological information of the CAD model are extracted. The redundant vertexes are removed. The new vertexes are ordered and traversed by binary tree algorithm model. The topological relations between vertexes, edges and faces are established. The CAD model and the robot path are displayed with OpenGL. The comparison and analysis between contour planning and hyperbolic curve planning are completed. The simulation shows the feasibility and validity of the path generation based on CAD. A new way of automatic robot path generation from CAD model is given and the efficiency of the robot cladding is improved.
复杂零件成形机器人路径规划是同轴激光熔覆粉末的关键技术之一。本文提出了一种基于CAD(计算机辅助设计)的机器人自动路径生成方法。提取CAD模型的尺寸信息和拓扑信息。冗余的顶点被删除。利用二叉树算法模型对新顶点进行排序和遍历。建立了顶点、边和面之间的拓扑关系。利用OpenGL软件对CAD模型和机器人路径进行了显示。对轮廓规划和双曲曲线规划进行了比较分析。仿真结果表明了基于CAD的路径生成方法的可行性和有效性。提出了一种由CAD模型自动生成机器人路径的新方法,提高了机器人包覆的效率。
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引用次数: 11
Research review on energy storage technology 储能技术研究综述
Pub Date : 2016-09-05 DOI: 10.1109/ICMA.2016.7558553
Youjie Ma, Peilin Yang, Xuesong Zhou, Zhiqiang Gao
The study of high-value applications promising energy storage technology has been closely watched scientific community and the business community, which has become one of the hotspots of international energy research community. This paper describes the classification of energy storage technology, we discussed its working principle, technical status, development prospects and the advantages and disadvantages. To provide a reference for further study of energy storage technology.
高价值应用前景的储能技术研究一直受到科学界和企业界的密切关注,已成为国际能源研究界的热点之一。本文介绍了储能技术的分类,讨论了其工作原理、技术现状、发展前景及优缺点。为进一步研究储能技术提供参考。
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引用次数: 4
期刊
2016 IEEE International Conference on Mechatronics and Automation
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