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2017 17th International Conference on Control, Automation and Systems (ICCAS)最新文献

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Improvement of face recognition performance evaluation technology by using a display device through color adjustment 利用显示设备通过色彩调整改进人脸识别性能评价技术
Pub Date : 2017-10-01 DOI: 10.23919/ICCAS.2017.8204404
Mi-Young Cho, Youngsook Jeong
Recently, with the increase in the number of social robots, there is a growing interest in face recognition technology for natural interaction between humans and robots. As a result, there is a growing demand for technology that can be used to evaluate the performance of face recognition capable of ensuring reproducibility and objectivity in real service environments. The best way to replace real faces for performance evaluation is to use the facial image output from a display device. Previous studies have reported no significant difference between recognition performance for real faces and facial image output from a display device. However, the question remains whether a difference exists between two images at the low levels; if it does, then how does it affect face recognition performance? To answer these questions, the current study shows color differences before and after the adjustment by using color as a representative feature at the low level, and validates the proposed evaluation method by comparing the differences in recognizing two images.
近年来,随着社交机器人数量的增加,人们对人脸识别技术的兴趣越来越大,人脸识别技术用于人与机器人之间的自然交互。因此,对可用于评估面部识别性能的技术的需求日益增长,这些技术能够确保真实服务环境中的再现性和客观性。代替真实人脸进行性能评估的最佳方法是使用显示设备输出的人脸图像。先前的研究报告显示,对真实面孔的识别性能与显示设备输出的面部图像之间没有显着差异。然而,问题仍然是两个图像之间是否存在差异在低水平;如果有,那么它是如何影响人脸识别性能的呢?为了回答这些问题,本研究在低水平上以颜色作为代表性特征,展示了调整前后的颜色差异,并通过对比两幅图像识别的差异来验证所提出的评价方法。
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引用次数: 0
Designing a neuro-fuzzy PID controller based on smith predictor for heating system 基于smith预测器的供热系统神经模糊PID控制器设计
Pub Date : 2017-10-01 DOI: 10.23919/ICCAS.2017.8204416
A. Dehghani, H. Khodadadi
The most important part of the heating, ventilation, and air conditioning technology is heating System. This part is used in smart buildings and provides the desired air quality and thermal comfort. The time delay and uncertainty in model parameters due to the several operation mode cause the main challenges in heating system control by the traditional PID approaches. To overcome these problems, this paper presents an intelligent PID algorithm combines the fuzzy logic and neural network method together and used it in Smith predictor structure. Hence, a fuzzy neural network PID controller based on Smith predictor is proposed in this paper for the heating system. By correction of the dynamic learning of neural network and fuzzy inference, PID parameters of the controller get their optimal values. Simulation results of the heating system illustrate that the performance of the fuzzy neural network PID controller based on Smith predictor in comparison to the other control structures has been greatly improved, with fast response, smallest overshoot and lowest rise and settling time.
采暖、通风、空调技术中最重要的部分是采暖系统。这部分用于智能建筑,提供所需的空气质量和热舒适。多种运行方式所带来的时滞和模型参数的不确定性是传统PID控制供热系统的主要挑战。为了克服这些问题,本文提出了一种将模糊逻辑和神经网络相结合的智能PID算法,并将其应用于Smith预测器结构中。为此,本文提出了一种基于Smith预测器的模糊神经网络PID控制器。通过对神经网络的动态学习和模糊推理进行校正,得到控制器的PID参数的最优值。加热系统的仿真结果表明,基于Smith预测器的模糊神经网络PID控制器的性能与其他控制结构相比有了很大的提高,具有响应快、超调量小、上升沉降时间短等特点。
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引用次数: 17
IR-UWB radar based near-field intentional eyelid movement sensing under fixed head and body motions 基于超宽频雷达的近场眼睑运动感应
Pub Date : 2017-10-01 DOI: 10.23919/ICCAS.2017.8204277
Sunghwa Lee, Jiwon Seo
In this paper, we introduce a method for sensing intentional eyelid movement using an impulse radio ultra-wideband (IR-UWB) radar. Since it is the first step of the study, we assume that eyes are in the near-field and all the motions, except eyelid movement, are fixed. The measurement of eyelid movement can be utilized in a human computer interface or for the recognition of a driver's drowsiness. If the eyelids move up or down, the amplitude and frequency of radar signals change. We can observe these changes in a three-dimensional graph of raw radar data. Intentional eyelid movements produce some peaks or nulls on the graph. We used two methods to analyze the patterns of eyelid movement. Both methods involve fast Fourier transform (FFT) and exploit a pulse Doppler processing technique of radar signals. Thus, we can calculate the frequency of intentional eyelid movement using these methods. The calculated frequency corresponds to the number of peaks in the raw radar graph.
在本文中,我们介绍了一种使用脉冲无线电超宽带(IR-UWB)雷达来感知眼睑故意运动的方法。由于这是研究的第一步,我们假设眼睛在近场,除了眼睑运动外,所有的运动都是固定的。眼睑运动的测量可用于人机界面或用于识别驾驶员的困倦。如果眼睑上下移动,雷达信号的幅度和频率就会发生变化。我们可以在原始雷达数据的三维图形中观察到这些变化。有意的眼睑运动在图上产生一些高峰或低谷。我们用两种方法分析眼睑运动模式。这两种方法都采用了快速傅里叶变换(FFT)和脉冲多普勒雷达信号处理技术。因此,我们可以使用这些方法计算有意眼睑运动的频率。计算得到的频率与原始雷达图中的峰数相对应。
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引用次数: 4
Data association approach to mobile robot localization using non-unique landmarks 基于非唯一地标的移动机器人定位数据关联方法
Pub Date : 2017-10-01 DOI: 10.23919/ICCAS.2017.8204370
Daniel Hong, Geon-Su Heo, Cheolwoo Myung, W. Ra
In global localization problem, the robot should localize itself without the knowledge of its initial pose, i.e., its initial position and attitude. Under GPS-denied environment, non-unique landmarks such as traffic signs can be used as alternative absolute position information. However, such landmarks lead to ambiguous correspondence between landmarks and their features. For a robot to successfully localize itself, this ambiguity should be tackled. To solve the problem, a multiple hypothesis testing method is adopted. As robot detects other landmarks, the number of the hypotheses can be increased exponentially. The nearest neighbor filter technique is applied to prevent the number increase. The capability of the suggested algorithm is examined based on a computer simulation.
在全局定位问题中,机器人在不知道其初始姿态(即初始位置和姿态)的情况下进行自身定位。在gps不存在的环境下,可以使用交通标志等非唯一地标作为替代绝对位置信息。然而,这样的地标导致了地标与其特征之间的模糊对应关系。为了使机器人成功地定位自己,应该解决这种模糊性。为了解决这个问题,我们采用了多重假设检验方法。当机器人检测到其他地标时,假设的数量可以呈指数增长。采用最近邻滤波技术来防止数目的增加。通过计算机仿真验证了所提算法的性能。
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引用次数: 1
Concept, results and future topics for the Human Robotics Research Center at Kyushu Sangyo University 九州工业大学人类机器人研究中心的概念、结果和未来主题
Pub Date : 2017-10-01 DOI: 10.23919/ICCAS.2017.8204229
T. Sakaki, K. Tsuruta, Yong-Kwun Lee, N. Ushimi, K. Murakami, Yoshimi Matsunoo, Y. Ichinose, Tshihiko Shimokawa, Y. Kamiya, Osamu Kikima, K. Aoki, Shinya Morishita, Takehiro Tashiro, H. Nishizono
The Human Robotics Research Center at Kyushu Sangyo University was established in 2013 as a practical center for the study of robots designed for rehabilitation and care-support. The HRRC seeks to implement robots intended for the medical and care fields to address problems in those fields. We have focused on the development of rehabilitation robots for spinal cord injury patients. Here, we present three different robots we have developed for standing-motion training, primary-walking-pattern training, and practical-walking training.
九州工业大学人类机器人研究中心成立于2013年,是研究用于康复和护理支持的机器人的实用中心。人权委员会寻求实施用于医疗和护理领域的机器人,以解决这些领域的问题。我们专注于脊髓损伤患者康复机器人的开发。在这里,我们展示了我们开发的三种不同的机器人,分别用于站立运动训练、初级步行模式训练和实用步行训练。
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引用次数: 0
Black-box accuracy compensation for a cable-driven parallel robot 缆索驱动并联机器人的黑箱精度补偿
Pub Date : 2017-10-01 DOI: 10.23919/ICCAS.2017.8204477
Valentin Schmidt, Wrer Kraus, C. Martin, XueJun Jin, A. Pott
This paper presents the findings of experiments done to increase the accuracy of a fully constrained cable-driven parallel robot with 8 cables and 6 degrees of freedom. Measurements were conducted using a Laser Tracker in 3 dof and the position accuracy mapped. Measurements were performed in a grid with 1920 points. From the measurement data distortion to the actual desired position is measured and using a linear approximation subsequent trajectories are compensated for any systematic errors. On an example robot, this black box correction brought an average improvement from 10.6 mm distance to the desired point to 2.47 mm distance from the desired point. This is a significant improvement m accuracy.
本文介绍了提高具有8根缆索和6个自由度的全约束缆索驱动并联机器人精度的实验结果。利用激光跟踪仪进行了3自由度测量,并绘制了位置精度图。测量在一个有1920个点的网格中进行。从测量数据失真到实际所需位置进行测量,并使用线性近似补偿后续轨迹的任何系统误差。在一个示例机器人上,这种黑箱校正使距离期望点的平均距离从10.6 mm提高到2.47 mm。这是精度的显著提高。
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引用次数: 0
Preliminary experimental results for chest compression in mobile robot-human unconstrained-collision 移动机器人-人无约束碰撞胸部压缩的初步实验结果
Pub Date : 2017-10-01 DOI: 10.23919/ICCAS.2017.8204352
Ho-Yeon Kim, JongHyeok Park, Sooyong Yun, S. Moon, K. Gwak
CC (Compression Criteria), CTI (combined Thoracic Index), and VC (Viscous Criteria) which measure the AIS (Abbreviated Injury Scale) for chest injuries are examined using the human-robot unconstrained collision experimental data. Experimental data were collected from the facility consists of a dummy of ten year old child, a collision cart, a speed measuring sensor, and a heat insulating foam floor. The unconstrained-collision test was carried out with a collision mass of 80 kg and collision speed 1 m/s and AIS was calculated from the test data.
采用人-机器人无约束碰撞实验数据,对测量胸部损伤AIS(简易损伤量表)的CC(压缩标准)、CTI(联合胸椎指数)和VC(粘性标准)进行了检验。实验数据由10岁儿童假人、碰撞车、测速传感器和隔热泡沫地板组成。以碰撞质量为80 kg,碰撞速度为1 m/s进行无约束碰撞试验,根据试验数据计算AIS。
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引用次数: 1
Learning to grasp objects based on ensemble learning combining simulation data and real data 基于仿真数据与真实数据相结合的集成学习来学习抓取对象
Pub Date : 2017-10-01 DOI: 10.23919/ICCAS.2017.8204368
Yong-Ho Na, Hyun-Jun Jo, Jae-Bok Song
In this study, deep learning based grasping using a robot has been discussed. A large amount of training data is required for good performance in deep learning. The training data is usually collected with a real robot. However, it is difficult to collect the data sufficient for training the network in terms of time and cost. Therefore, this study presents a method for collecting the training data based on a robot simulator as well as a real robot. The simulation system is composed of a robot, the work environment, and a 2-finger gripper. The convolutional neural network (CNN) was used for training where its input is the RGB image of the object and its output is the pose of the gripper. Furthermore, the ensemble learning method was used to combine real data and simulation data. It is shown that the ensemble learning method that combines multiple classifiers can lead to a higher grasping success rate than a single classifier.
本研究讨论了基于深度学习的机器人抓取技术。在深度学习中,良好的性能需要大量的训练数据。训练数据通常是用真实的机器人收集的。然而,在时间和成本方面,很难收集到足够的数据来训练网络。因此,本研究提出了一种基于机器人模拟器和真实机器人的训练数据收集方法。仿真系统由机器人、工作环境和2指夹持器组成。使用卷积神经网络(CNN)进行训练,其输入是物体的RGB图像,输出是抓取器的姿态。此外,采用集成学习方法将真实数据与仿真数据相结合。结果表明,结合多个分类器的集成学习方法比单一分类器的抓取成功率更高。
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引用次数: 3
Designing self-feeding system for increasing independence of elders and Parkinson people 设计自食系统,提高老年人和帕金森患者的独立性
Pub Date : 2017-10-01 DOI: 10.23919/ICCAS.2017.8204317
Nguyen Truong Thinh, T. Tho, Nguyen Thanh Tan
This paper describes a customized self-feeding system designed to increase the independence of a elder person or Parkinson patient who is unable to use his/her arm for self-feeding. Besides, the procedures of design and development of the system are also carried out, and other its tasks control manipulator to feed the food to patients based on nutrients management for patients. This system can help patients self-control his meal replacement for the care of a family member or care worker thereby saving a lot of time and effort of caregivers, and, nutritional management software of each meal will allow caregivers understand nutritional information of the patients in the diet which can not change to improve the quality of meals for patients. The self-feeding system is experienced and evaluated with several cases in nursing home to give suitable design. The experimental results show that this self-feeding system provides a viable alternative to assisting independence in self-feeding as measured by ingesting time and nutrition intake. The self-feeding system is operated autonomous by itself and sent food's data and relative information to monitoring computer based on Internet. Besides, the tool of management can analyze the data according to the nutritional standards, and controller control movements of manipulator and automation tray based on health situation and needs of patients.
本文介绍了一种定制的自我喂食系统,旨在提高老年人或帕金森患者的独立性,他们不能使用他/她的手臂进行自我喂食。此外,还进行了系统的设计与开发流程,以及系统的其他任务控制机械手在对患者进行营养管理的基础上给患者喂食。该系统可以帮助患者在家庭成员或护理人员的照顾下自我控制自己的膳食替代,从而节省了护理人员的大量时间和精力,并且每餐的营养管理软件可以让护理人员了解患者饮食中不可改变的营养信息,从而提高患者的膳食质量。结合养老院的实际情况,对该系统进行了体验和评价,给出了合适的设计方案。实验结果表明,通过摄食时间和营养摄入量的测量,该自食系统为辅助独立自食提供了可行的替代方案。自动上料系统可以自动运行,并将食物的数据和相关信息发送到基于Internet的监控计算机。管理工具根据营养标准对数据进行分析,控制器根据患者的健康状况和需求控制机械手和自动化托盘的动作。
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引用次数: 5
The disturbance rejection design based on physical feedforward for solid oxide fuel cell 基于物理前馈的固体氧化物燃料电池抗干扰设计
Pub Date : 2017-10-01 DOI: 10.23919/ICCAS.2017.8204245
Zhenlong Wu, Wangying Shi, Donghai Li, T. He, Yali Xue, Minfang Han, Song Zheng
The output voltage control of the Solid Oxide Fuel Cell (SOFC) is challenging due to the strong nonlinearity, modelling uncertainty, the dramatic change of the external current load and constraints on the amplitudes and change rates of the actuator. Besides, the desired range of the fuel utilization is another difficult for the control strategy. In this paper, Active disturbance rejection control (ADRC) is proposed to handle the nonlinearity, uncertainty and the external disturbance, and physical feedforward is designed to speed up the response of the whole system and keep the fuel utilization in the desired range. Instead of the SOFC model, the design of physical feedforward is based on the definition of fuel utilization which is featured by simplicity, generality and effectiveness. Simulation results show that the proposed control strategy has smaller variation range of the fuel utilization, shorter time of the changing process of the output voltage and better robustness than others control strategies.
固体氧化物燃料电池(SOFC)的输出电压控制具有很强的非线性、建模的不确定性、外部电流负载的剧烈变化以及执行器的幅值和变化率的限制。此外,燃料利用的期望范围是控制策略的另一个难点。本文提出了自抗扰控制(ADRC)来处理非线性、不确定性和外部干扰,并设计了物理前馈来加快整个系统的响应速度并使燃料利用率保持在期望范围内。物理前馈的设计基于燃料利用的定义,而不是SOFC模型,具有简单、通用和有效的特点。仿真结果表明,与其他控制策略相比,所提出的控制策略具有较小的燃料利用率变化范围、较短的输出电压变化过程和较好的鲁棒性。
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引用次数: 4
期刊
2017 17th International Conference on Control, Automation and Systems (ICCAS)
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