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2013 13th International Conference on Control, Automation and Systems (ICCAS 2013)最新文献

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Hemodynamic significances of chronically total occluded coronary artery 慢性冠状动脉全闭塞的血流动力学意义
Pub Date : 2013-10-01 DOI: 10.1109/ICCAS.2013.6704134
Minhee Cho, Won-Keun Lee, Byoung‐Kwon Lee
There are limited data on hemodynamic information of chronic total occlusions (CTO), especially in vivo. CTO has usually the collaterals. Factors associated developing collateral arteries are the severity of coronary artery stenosis, the duration of symptoms of myocardial ischemia and the blood pressure. And the hemodynamic information around the CTO are critically important to design the micro-robot system. So, this study aims to define the wedge pressure distal to CTO lesion comparing to non-CTO lesion. We used pressure wire for measuring distal wedge pressure change. We have enrolled 18 patients with CTO and 21 patients with significant coronary stenotic (non-CTO) lesions for scheduled percutaneous intervention. All the procedures were performed after successful guidewire crossing or pre-dilation with 1.5-2.0 balloons. The wedge pressure across the CTO lesion was measured for 1 minute to identify the pressure change after ballooning. The wedge pressure was higher initially in CTO than non-CTO (24.3 vs. 12.8 mmHg) and even increased insidiously during wedging periods. The rate of increasing pressure during wedging was well associated with the collaterals' grade. In conclusion, CTO lesion has higher wedge distal pressure and the collateral flows might be the mechanism of increased wedge pressure.
慢性完全性闭塞(CTO)的血流动力学资料有限,尤其是体内资料。CTO通常有抵押品。与侧支动脉形成相关的因素有冠状动脉狭窄的严重程度、心肌缺血症状的持续时间和血压。而CTO周围的血流动力学信息对于微型机器人系统的设计至关重要。因此,本研究旨在定义CTO病变远端与非CTO病变的楔形压力。我们用压力丝测量远端楔形压力变化。我们招募了18名CTO患者和21名有明显冠状动脉狭窄(非CTO)病变的患者进行经皮介入治疗。所有手术均在导丝成功穿过或1.5-2.0气球预扩张后进行。测量CTO病变处的楔形压力1分钟,以确定膨胀后的压力变化。CTO组初始楔压高于非CTO组(24.3 mmHg vs 12.8 mmHg),楔压过程中楔压甚至在不知不觉中增加。楔入过程中的压力增加速率与抵押品的等级密切相关。综上所述,CTO病变具有较高的楔形远端压力,侧支血流可能是楔形压力升高的机制。
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引用次数: 0
Accuracy enhancement of omnidirectional camera calibration for structure from motion 运动结构全向摄像机标定精度的提高
Pub Date : 2013-10-01 DOI: 10.1109/ICCAS.2013.6703936
Joko Hariyono, Wahyono, K. Jo
This paper presents a technique to enhance accuracy of omnidirectional camera calibration which is applied structure from motion. We use two omnidirectional images of a predefined trihedron with checker board taken by a calibrate camera at an arbitrary location. Then, several point matches were picked manually from both views of the object. After that, compute and perform a 3D metric reconstruction of a real object from both images, by using the geometrical approach model estimated by single view calibration method. Then improved by the minimization error the distances among trihedral object use our proposed method. The overall experimental results show our proposed method gave smaller distance error.
本文提出了一种利用运动结构来提高全向摄像机标定精度的方法。我们使用两个全向图像的一个预定义的三面体与棋盘由校准相机在任意位置拍摄。然后,从物体的两个视图中手动选择几个点匹配。然后,利用单视图校准方法估计的几何方法模型,从这两幅图像计算并执行真实物体的三维度量重建。然后通过误差最小化来改进三面体目标间的距离。实验结果表明,该方法具有较小的距离误差。
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引用次数: 10
A child safety and growth management system 儿童安全和成长管理系统
Pub Date : 2013-10-01 DOI: 10.1109/ICCAS.2013.6704001
Kim Young-Chan Kim, S. Kim, Jung Gi-Sik, Kim Young-Chan Kim, Jung Myeon-Ho
Recent upsurge of social working couples, low income levels of welfare support for children, etc. As the country expanded, most of the home by parents entrust their children to kindergarten or preschool child's growth, education, and has commissioned. As a result, shipments of kindergarten children or helping with school bus accidents occur frequently in and out, and also a national problem of low birth rate due to the increase in child or family members, including two children and their children too much attention on the increase due to the obese children that is no drill. Thus, children in the park in order to maintain a safe and healthy life, safety and growth of children by building management systems with their parents and their teachers hayeogeum park comfortably and safely establish a system to manage children hayeoteum.
最近社会工作夫妇激增,低收入阶层对儿童的福利支持等。随着国家的扩大,大多数家庭由家长将孩子委托给幼儿园或学龄前儿童的成长、教育,并已委托。因此,运送幼儿园的孩子或帮助校车的事故频繁发生,而且由于孩子或家庭成员的增加而造成的低出生率的国家问题,包括两个孩子和他们的孩子过多的关注增加,由于肥胖的孩子是没有演练。因此,为了保持儿童在乐园的安全健康的生活,儿童的安全与成长,通过与家长和老师一起建立管理制度,建立一个管理儿童乐园舒适、安全的制度。
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引用次数: 0
Fault detection and handling for sensor and communication faults of an automatic valet parking system 自动代客泊车系统传感器及通讯故障的检测与处理
Pub Date : 2013-10-01 DOI: 10.1109/ICCAS.2013.6704163
Heejae Choi, B. Song
In this paper, a fault detection and handling method for automatic valet parking in the presence of faults in sensors and packet loss and time delay of communication is presented. Two possible fault scenarios based on the analysis of field test data are considered, i.e., faults of position and heading angle measurements and communication. The proposed FDD method is based on multiple nonlinear observers to estimate the position and heading angle with consideration of packet loss via V2I communication, and a double-threshold-statistical-testing technique to reduce a false alarm. Finally, the performance of the proposed algorithm will be validated through the field test data including the faults.
本文提出了一种基于传感器故障、通信丢包和时延的自动代客泊车故障检测与处理方法。根据现场测试数据分析,考虑了两种可能的故障情况,即位置和航向角测量故障和通信故障。提出的FDD方法基于多个非线性观测器来估计位置和航向角,并考虑通过V2I通信的丢包,并采用双阈值统计测试技术来减少误报警。最后,通过包括故障在内的现场测试数据来验证所提算法的性能。
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引用次数: 1
Motion control of indoor mobile robots for safe navigation in cluttered environment 室内移动机器人在混乱环境中安全导航的运动控制
Pub Date : 2013-10-01 DOI: 10.1109/ICCAS.2013.6704132
Jiyong Jin, W. Chung
In various environments of service, collision avoidance of mobile robot is basic problem. High speed navigation increases the efficiency of services. However, if navigation speed of mobile robot increases, various problems arise. Using the uncertainty of robot motion, the method for avoiding collision can make robot navigate safely. By applying the robot motion uncertainty, we perform experiments of robot's collision avoidance performance under different velocity control strategies. We propose the navigation method considering the uncertainty of robot motion. To verify the performance of proposed method, experiments are performed. In the experiments, two robots are considered. One has more precise performance of velocity control than the other. As a result, the proposed method shows safe navigation results in cluttered environment, though the conventional control method may cause the collision with obstacles. Finally, we verify the effectiveness of the proposed method through several experiments.
在各种服务环境中,移动机器人的避碰是一个基本问题。高速导航提高了服务效率。但是,随着移动机器人导航速度的提高,会出现各种各样的问题。利用机器人运动的不确定性,避免碰撞的方法可以使机器人安全导航。利用机器人运动的不确定性,对不同速度控制策略下的机器人避碰性能进行了实验研究。提出了考虑机器人运动不确定性的导航方法。为了验证该方法的有效性,进行了实验。在实验中,考虑了两个机器人。其中一个比另一个具有更精确的速度控制性能。结果表明,尽管传统的控制方法可能会造成与障碍物的碰撞,但该方法在混乱环境下仍具有安全的导航效果。最后,通过实验验证了所提方法的有效性。
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引用次数: 6
Application of virtual commissioning technology in a steel making industry 虚拟调试技术在炼钢行业的应用
Pub Date : 2013-10-01 DOI: 10.1109/ICCAS.2013.6704212
Y. S. Kim, K. Shin, Jin H. Lee, S. S. Lee, K. S. Kim, K. Kang, Jin S. Yang
In this paper, development of a virtual factory for steel making plants is discussed. Among various applications of virtual factories, we are focused on virtual commissioning. To reduce construction time and cost, control systems need to be test before installation. 3D shape models from 3D CAD are simplified to reduce the size and are used to visualize the behaviors of steel making plants. Virtual sensors and actuators with 3D shape and behavior models are connected to PLCs (Programmable Logic Controllers) to verify how control systems interact with mechanical facilities. The configuration of virtual commissioning systems is designed and a prototype is implemented for feasibility test in a steel making process. Also the performance for a verification of control systems is evaluated.
本文讨论了炼钢厂虚拟工厂的开发。在虚拟工厂的各种应用中,我们重点关注虚拟调试。为了减少施工时间和成本,控制系统需要在安装前进行测试。对三维CAD中的三维形状模型进行了简化以减小尺寸,并用于可视化炼钢厂的行为。具有3D形状和行为模型的虚拟传感器和执行器连接到plc(可编程逻辑控制器),以验证控制系统如何与机械设施相互作用。设计了虚拟调试系统的结构,并在炼钢过程中进行了样机可行性试验。此外,还对控制系统的验证性能进行了评估。
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引用次数: 7
Trajectory correction maneuver design based on B-plane targeting for low-thruster 基于b机瞄准的低推力飞行器弹道修正机动设计
Pub Date : 2013-10-01 DOI: 10.1109/ICCAS.2013.6703866
D. Cho, H. Bang, Hae-Dong Kim
For the interplanetary mission, the spacecraft must require the trajectory correction maneuver (TCM) to reduce the trajectory error due to the influence of unexpected external perturbation forces. There are many kinds of researches focused on these TCM techniques for the impulsive thrust. Among them, the B-plane targeting method is mainly applied to the interplanetary mission as TCM method. However, there are brilliant developments in the propulsion systems; especially the electrical propulsion system is adopted in some spacecraft. Thus, it is necessary to design the TCM algorithm for such low-thruster for future interplanetary missions. Therefore, in this paper, the TCM algorithm for the low thrust such like electrical propulsion system is suggested to correct the target B-vector and target time to closest approach (TCA). To design the low thrust guidance scheme, the Lyapunov feedback control is used in this paper.
在行星际任务中,航天器必须进行轨道修正机动,以减小由于外部非预期摄动力的影响而产生的轨道误差。针对这些冲激推力的中医治疗方法,有多种不同的研究。其中,b面瞄准方法作为TCM方法主要应用于行星际任务。然而,在推进系统方面有了辉煌的发展;特别是一些航天器采用了电力推进系统。因此,在未来的行星际任务中,有必要为这种低推力推进器设计TCM算法。因此,本文提出了针对电力推进系统等低推力系统的TCM算法,对目标b向量和目标最接近时间进行校正。为了设计低推力制导方案,本文采用了李雅普诺夫反馈控制。
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引用次数: 0
A study on the ride comfort control using automatic generating data base on board for electric railway vehicle(ICCAS 2013) 基于车载自动生成数据库的电动轨道车辆平顺性控制研究(ICCAS 2013)
Pub Date : 2013-10-01 DOI: 10.1109/ICCAS.2013.6703975
Seong-Ho Han
To enhance the control performance of tilting ride comfort, the predictive tilting control techniques has been developed based on GPS database, accelerometer and gyroscope on board train. An existing tilting control has been used a data base which was put line information into the control system manually linked to the ground marker for detecting of train position. For ease of maintenance, the automatic data base connected to GPS was used on the tilting control no need to make any change in line information. In this paper, in order to evaluated the riding comfort of this method, the trial run test was performed in the Gyeongbu line(between Seoul and Susan), which is considered for tilting train commercial service. Tilting train express(TTX) was tested to run at design speed 200 km/h and at service speed 180 km/h. We analyzed the riding comfort of tilting control on curves to get the potential of a speed up. In this approach, we obtained very clear results that made standard of riding comfort satisfied.
为了提高列车倾斜平顺性的控制性能,提出了基于GPS数据库、加速度计和陀螺仪的列车倾斜预测控制技术。现有的倾斜度控制采用数据库,将线路信息输入到控制系统中,手动连接到地面标记,以检测列车位置。为便于维护,倾斜控制采用与GPS连接的自动数据库,无需更改线路信息。为了评价该方法的乘坐舒适性,本文在考虑为倾斜列车商业服务的京釜线(首尔-苏珊)进行了试运行试验。特快列车(TTX)测试运行速度为200公里/小时,服务速度为180公里/小时。我们分析了倾斜控制在弯道上的行驶舒适性,以获得加速的潜力。在这种方法中,我们获得了非常明确的结果,使骑乘舒适性标准满意。
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引用次数: 8
Stable adaptive Particle Swarm Optimization 稳定自适应粒子群优化
Pub Date : 2013-10-01 DOI: 10.1109/ICCAS.2013.6703971
Ouboti Djaneye-Boundjou, R. Ordóñez, V. Gazi
Using discrete-time adaptive control tools found in literature, we develop an adaptive particle swarm optimizer. We show, using Lyapunov's direct method, that our devised error system is ultimately uniformly bounded, ultimately goes to zero by Lasalle-Yoshizawa theorem, and our optimizer is stable.
利用文献中发现的离散时间自适应控制工具,我们开发了一个自适应粒子群优化器。利用李雅普诺夫的直接方法,我们证明了我们设计的误差系统最终是一致有界的,最终根据Lasalle-Yoshizawa定理趋于零,并且我们的优化器是稳定的。
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引用次数: 9
Human-oriented recognition for intelligent interactive office robot 面向人的智能交互办公机器人识别
Pub Date : 2013-10-01 DOI: 10.1109/ICCAS.2013.6704054
Chia-Ming Wang, Shin-Huan Tseng, Pei-Wen Wu, Yuan-Han Xu, Chien-Ke Liao, Yu-Chi Lin, Y. Chiang, C. Lim, Ting-Sheng Chu, L. Fu
This paper presents our new intelligent interactive robot, which is constructed to eagerly provide multi-functional services in an office environment. In order to endow a full interactive capability of our robots for realizing so-called human-robot interaction (HRI) , we propose sensor fusion based human detection and tracking system and human pose estimation to deal with a number of situations which may take place in the office environment. Not only by these perceptions, human interact with the robot also by some natural way, such as touching the interface screen and talking with the robot through microphone. Finally, the effectiveness of the proposed work is tested and validated by some of experiments.
本文介绍了一种新型智能交互机器人,它是为在办公环境中提供多功能服务而设计的。为了赋予我们的机器人充分的交互能力来实现所谓的人机交互(HRI),我们提出了基于传感器融合的人体检测和跟踪系统以及人体姿态估计来处理办公环境中可能发生的多种情况。不仅通过这些感知,人类还通过一些自然的方式与机器人互动,例如触摸界面屏幕,通过麦克风与机器人交谈。最后,通过实验验证了所提方法的有效性。
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引用次数: 13
期刊
2013 13th International Conference on Control, Automation and Systems (ICCAS 2013)
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