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2016 6th IEEE International Conference on Control System, Computing and Engineering (ICCSCE)最新文献

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Piezo stack actuator saturation control of the coupled active suspended handle-die grinder using various PID-anti-windup control schemes 采用各种pid -抗上卷控制方案对耦合主动悬柄-模具磨床的压电堆作动器饱和控制
A. Mazlan, Z. M. Ripin, Wan Mohd Amri Wan Mamat Ali
Anti-windup schemes can be used to reduce the effect of piezo actuator saturation for the tracking and positioning applications. In the case of applying the anti-windup scheme for the vibration attenuation, the saturation of the piezo actuator has never been considered. In this paper, three PID-anti-windup control schemes; Clamping (PID-CAW), Back-Calculation (PID-BCAW) and Tracking Mode (PID-TMAW) anti-windup were modified based on the measured piezo stack actuator voltage and force saturation and their performance in reducing the vibration from the die-grinder to the suspended handle model were compared. The dynamic model of the suspended handle was experimentally developed and the base excitation was taken from the die-grinder with an operating speed of 25 000 rpm. From the results, the PID-TMAW have produced the highest vibration attenuation of 90.3 % for the coupled-active suspended handle-die grinder model compared to the PID-BCAW and PID-CAW with 90 % and 89.5 % of vibration attenuation, respectively.
在跟踪和定位应用中,可以采用防上弦方案来减少压电致动器饱和的影响。在采用防上弦方案进行减振时,未考虑压电致动器的饱和问题。本文提出了三种pid -反绕组控制方案;根据测量的压电堆执行器电压和力饱和度,对夹持(PID-CAW)、反计算(PID-BCAW)和跟踪模式(PID-TMAW)进行了改进,并比较了它们在从模磨机到悬柄模型的减振效果。实验建立了悬浮把手的动力学模型,其基础激励来源于转速为25000 rpm的压模磨床。结果表明,与PID-BCAW和PID-CAW相比,PID-TMAW对耦合主动悬柄模具磨床模型的减振效果最高,分别为90.3%和89.5%。
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引用次数: 1
Automated human age estimation at death via bone microstructures 通过骨骼微结构自动估计人类死亡年龄
Ijaz Khan, M. Jamil, T. Ibrahim, F. Nor
This paper present a proposed method for automatic human age at death estimation using image processing and pattern recognition techniques. The bone samples are taken from ulna, radius, humerus, femur, tibia and fibula of Malaysian population. Ten different bone microstructures are selected for analysis in order to create regression equation for age estimation. Selected microstructure can be extracted using image preprocessing and texture extraction algorithms. Different classification methods are proposed for automatic human age estimation in Malaysian population. This paper provide significant implications in the computation of fragmentary skeletal remains and forensic population samples for age estimation purpose.
本文提出了一种基于图像处理和模式识别技术的人类死亡年龄自动估计方法。骨样本取自马来西亚人的尺骨、桡骨、肱骨、股骨、胫骨和腓骨。选取10种不同的骨微结构进行分析,建立年龄估计的回归方程。采用图像预处理和纹理提取算法提取所选微结构。针对马来西亚人口年龄的自动估计,提出了不同的分类方法。本文对骨骸碎片的计算和法医种群样本的年龄估计具有重要意义。
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引用次数: 5
Performance analysis of resource allocation downlink for MIMO-OFDMA system using greedy algorithm 基于贪心算法的MIMO-OFDMA系统下行资源分配性能分析
A. Idris, Azrinawati Samaon, Mohd Syarhan Idris
Finding the optimization of power allocation of subcarrier is always a challenge in MIMO-OFDMA schemes in order to maximize the capacity of the system. Resources allocation is process how set of network is decide in wireless system. This research is to study restriction of proportional rate and total power among user in MIMO-OFDMA scheme and the power allocation and capacity of subcarrier in the scheme. The objectives are to suggest by using Greedy Power Allocation for capacity increment in MIMO-OFDMA system and to evaluate the system by Greedy Subcarrier Allocation. Simulation results show that the proposed algorithm can improve the capacity of the network compared with the waterfilling when using signal-to-noise ratio (SNR) with value 6dB. The proposed algorithm shows comparison between the noise to sub-channel ratio and power allocation in the midst of data sub-channel for 25, 75 and 100 users. It shows that there is no significant difference in power allocation of data subcarriers even if the number of users is increased.
为了使MIMO-OFDMA系统的容量最大化,如何优化子载波的功率分配一直是MIMO-OFDMA系统面临的难题。在无线系统中,资源分配是确定网络集的过程。本文主要研究MIMO-OFDMA方案中用户间比例速率和总功率的限制,以及MIMO-OFDMA方案中子载波的功率分配和容量。本文的研究目标是提出在MIMO-OFDMA系统中采用贪心功率分配来增加容量,并利用贪心子载波分配对系统进行评价。仿真结果表明,当信噪比为6dB时,该算法比充水算法能提高网络容量。给出了25、75和100用户数据子信道中间噪声与子信道比和功率分配的比较。结果表明,即使用户数增加,数据子载波的功率分配也没有显著差异。
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引用次数: 4
Development of a GPS-based highway toll collection system 基于gps的高速公路收费系统的开发
Jin Yeong Tan, P. Ker, D. Mani, P. Arumugam
The necessity for vehicles to stop or slow down for toll fee payment results in traffic congestion and reduces fuel efficiency. Hence, a system that enables road users to pay the toll fees without stopping or slowing down was proposed and developed. Hardware and software designs were carried out to develop a Global Positioning System (GPS)-based highway toll collection system. This system was developed using a Raspberry Pi 2 microcontroller. Different modules such as GPS module, Liquid Crystal Display (LCD) module, speaker, wireless Wi-Fi router modem and wireless Wi-Fi adapter were incorporated and integrated with the microcontroller to perform a few specific functions. In general, the system utilized GPS coordinates to detect whether a vehicle passed through predefined locations in the database and the travel details were recorded. The Raspberry Pi 2 microcontroller was configured as a personal cloud server to allow online access of travel logs. This developed system presents a different approach for highway toll collection which eliminates travel delays and construction of expensive gantries or toll booths.
车辆必须停车或减速以支付过路费,这导致交通拥堵,并降低了燃油效率。因此,提出并开发了一种系统,使道路使用者无需停车或减速即可支付过路费。对基于全球定位系统(GPS)的高速公路收费系统进行了硬件和软件设计。本系统采用树莓派2单片机开发。GPS模块、液晶显示模块、扬声器、无线Wi-Fi路由器调制解调器和无线Wi-Fi适配器等不同的模块被集成到单片机中,以完成一些特定的功能。一般来说,该系统利用GPS坐标来检测车辆是否经过数据库中的预定位置,并记录行驶细节。树莓派2微控制器被配置为个人云服务器,允许在线访问旅行日志。这种开发的系统为高速公路收费提供了一种不同的方法,它消除了旅行延误和昂贵的门架或收费站的建设。
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引用次数: 3
EEG and emotions: α-peak frequency as a quantifier for happiness 脑电图和情绪:α-峰值频率作为幸福的量词
Syed Syahril, K. S. Subari, N. N. Ahmad
This research investigates the relationship between the electroencephalography (EEG) signal and basic human emotions. In the first experiment, EEG signals were collected from electrodes at locations Fp1, Fp2, F3 and F4 from 4 male and 4 female test subjects while exposed to audio-visual stimuli. The stimuli were selected to evoke 4 groups of emotions i.e., sad, fear, happiness and disgust. The signals were then processed to remove artifacts using a novel modified empirical mode decomposition (EMD) technique. Subsequently, spectral features derived from the α- and β-bands were derived from the artifact-free EEG using a modified Welch periodogram technique with emphasis on finding the optimum number of Welch segments and epoch length. The hypothesis derived from the first experiment was subsequently tested on an additional 7 male subjects. It was observed that the α-peak frequency consistently had the highest magnitudes for happiness-evoked emotion for male subjects. Based on this observation, we speculate that the α-peak frequency can be used to quantify the level of happiness experienced by an individual.
本研究探讨脑电图(EEG)信号与人类基本情绪之间的关系。在第一个实验中,采集4名男性和4名女性受试者在视听刺激下Fp1、Fp2、F3和F4位置的脑电信号。这些刺激物被选择用来唤起4组情绪,即悲伤、恐惧、快乐和厌恶。然后使用一种新的改进经验模态分解(EMD)技术对信号进行处理以去除伪影。随后,利用改进的Welch周期图技术从无伪影的脑电图中获得α和β波段的频谱特征,重点是寻找最佳Welch段数和历元长度。从第一个实验中得出的假设随后在另外7名男性受试者身上进行了测试。研究发现,男性受试者的α-峰频率始终是幸福诱发情绪的最高频率。基于这一观察,我们推测α-峰值频率可以用来量化一个人所经历的幸福水平。
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引用次数: 1
Indoor mobile robot localization using KNN 基于KNN的室内移动机器人定位
B. Ilias, S. Shukor, A. H. Adom, N. Rahim, Mohd Firdaus Ibrahim, S. Yaacob
This paper describes the usage of sixteen piece 40 kHz ultrasonic sensors, known as Ultrasonic Sensor Bank (USB-16) mounted on a mobile robot platform. The Homogeneous Transformation Matrix (HTM) and trigonometric algorithm is utilized in this research as a wall mapping algorithm. The walls were designed with four types of basic shapes such as rectangle, triangle, curved and square, which are rarely tested by researchers in real time. Mapping and localization within real laboratory environment was also conducted. In this research, the USB-16 sensor bank transmitted ultrasonic signals in frequency waveform to the wall; the reflected signal was then filtered by a Nominal Wall Angle (NWA) algorithm to optimize the accuracy of the measured data. The purpose of this research is to determine the capability of USB-16 in not only providing an accurate map, but also its capability to recognize shapes and localization during mapping based on the size of walls. Next, NWA and KNN algorithm were applied in this experiment to study the accuracy of localization algorithm. This experiment had been carried out with two types of data sets, distance and coordinates. With the combination of these algorithms, the system can improve the accuracy of localization from 80% to 90% for basic wall shape and 78% for real laboratory environment. Basic Stamp, Basic Atom, LabVIEW and MATLAB software were fully utilized in the Self Localization and Mapping problem.
本文介绍了安装在移动机器人平台上的16片40 kHz超声波传感器的使用方法,称为超声波传感器组(USB-16)。本文采用齐次变换矩阵(HTM)和三角算法作为墙体映射算法。墙体设计有矩形、三角形、弧形和方形四种基本形状,研究人员很少对这些基本形状进行实时测试。在真实的实验室环境中进行了绘图和定位。在本研究中,USB-16传感器组将超声信号以频率波形的形式传输到墙体;然后通过标称壁角(NWA)算法对反射信号进行滤波,以优化测量数据的精度。本研究的目的是确定USB-16不仅能够提供准确的地图,而且能够在基于墙壁尺寸的测绘过程中识别形状和定位。接下来,本实验将NWA和KNN算法应用于定位算法的精度研究。这个实验是用两种类型的数据集进行的:距离和坐标。结合这些算法,系统对基本墙体形状的定位精度可提高80% ~ 90%,对真实实验室环境的定位精度可提高78%。在自定位与映射问题中充分利用了Basic Stamp、Basic Atom、LabVIEW和MATLAB软件。
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引用次数: 3
Studying the influence of electroporation on HT29 cell line interaction with micro-patterned extracellular matrix protein (fibronectin) 电穿孔对HT29细胞系与微图案细胞外基质蛋白(纤连蛋白)相互作用影响的研究
H. Mamman, M. Jamil, M. N. Adon
Micro-contact printing (MCP) is a scheme that allows a substrate or surface to be functionalized freely with a protein of extracellular matrix (ECM), in a well-defined manner. MCP can be used to regulate cell adhesion geometry on a substrate and in controlling wound healing process. In this study, human colon cancer cell line, HT29 were grown on a micro-contact printed pattern of fibronectin with repeat gratings of 25µm, 50µm, and 100µm wide, for 48 hours. The cells alignments to the patterned substrates were then computed, where 0° means 100% alignment to the pattern. This was done with the purpose of finding those pattern that stimulated the best degree of cell alignment. The quantitative analysis of the study revealed that HT29 cells aligned most readily to the 50µm and 100µm pattern with a mean angle of alignment of 4.8°±1.5SD and 5.7°±1.4SD respectively. On the other hand, HT29 poorly aligned to 25um and the un-patterned fibronectin-coated substrate with a mean angle of alignment of 33.4°±8.4SD and 51.1°±9.5SD respectively. Furthermore, the 50µm stamp pattern was used to investigate the influence of electric field on the HT29 alignment to the fibronectin patterned substrate. Electroporated and non-electroporated HT29 cells were cultured on the 50µm patterned substrates for 48 hours. The result revealed that there is no significant difference in the degree of alignment between the electrically treated with a mean angle of 4.2°±1.4SD and the untreated cells with a mean angle of 4.8°±1.5SD. However electrically treated cell aligned faster (within 31 hours of seeding) as compared to the untreated cells that aligned after 44 hours of seeding. Hence, the result of the study revealed that Micro-contact printing technique together with pulse electric field could offer a potential faster method of controlling wound healing process.
微接触印刷(MCP)是一种允许基质或表面与细胞外基质(ECM)蛋白以明确定义的方式自由功能化的方案。MCP可用于调节细胞在基质上的粘附几何形状和控制伤口愈合过程。在这项研究中,人结肠癌细胞系HT29在纤维连接蛋白微接触印刷图案上生长,重复光栅宽度为25µm, 50µm和100µm,生长48小时。然后计算细胞与图案底物的对齐,其中0°表示与图案100%对齐。这样做的目的是找到那些模式,刺激细胞排列的最佳程度。定量分析表明,HT29细胞最容易向50µm和100µm方向排列,平均排列角度分别为4.8°±1.5SD和5.7°±1.4SD。另一方面,HT29在25um和未涂布纤维连接蛋白基板上的平均对准角分别为33.4°±8.4SD和51.1°±9.5SD,对准角较差。此外,采用50µm的印花图案来研究电场对HT29与纤维连接蛋白图案衬底对齐的影响。电穿孔和非电穿孔HT29细胞在50µm图案化底物上培养48小时。结果表明,电场处理的细胞的平均角度为4.2°±1.4SD,未处理的细胞的平均角度为4.8°±1.5SD,两者之间的对准度无显著差异。然而,与未处理的细胞在44小时后排列相比,经电处理的细胞排列更快(在播种后31小时内)。因此,研究结果表明,微接触印刷技术结合脉冲电场可以提供一种潜在的更快的方法来控制伤口愈合过程。
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引用次数: 1
Fetal biometry assessment of biparietal diameter for Saudi Arabia population and comparison with other countries 沙特阿拉伯人口胎儿双顶叶直径的生物测量评估及其与其他国家的比较
R. Ramli, Mayyadah Hasan Rhaif Al-sahlanee, N. Z. N. Azman, Azhar A. Rahman, I. S. Mustafa, N. A. Razak, N. S. Ayob, Nabela Zakaria, Hana Mohammed Al-Marri, N. Yahaya
In this study, a new reference range of biparietal diameter (BPD) is developed based on Saudi Arabia population. A number of 2075 pregnant women who attend the maternity check up in 2013 to 2015 at Department of Obstetrics and Gynecology, Hospital Maternity and Children of Dammam, Saudi Arabia, were involved in this study. The data were recorded from 12th to 40th weeks of gestational age (GA). The BPD was measured using Sony Corporation 1-7-1 Konan Minator-K. On-screen caliper is used to measure the BPD parameter on the frozen image using linear method. The SPSS software version 22.0 was used for analysis, with statistical analysis were performed such as compare means, regression analysis and paired sample t-test. Results show that higher BPD growth rate was found in second trimester (12th to 25th weeks of GA) with 2.90 mm/week compared to third trimester (26th to 40th weeks of GA) with only 1.68 mm/week, proved that the rapid growth of fetus head in second trimester than third trimester. Further analysis on maternal age, number of gravid and gender of the fetus were found no significant impact on the BPD values (p values ≥ 0.05). The BPD value of this study shows no significant difference with the BPD values of USA [1], Norway [2], Australia [3], Zimbabwe [4], India [5], China [6] and Malaysia [7]. Thus, this new BPD values are highly recommended to be used by the medical practitioner as the reference range of fetus biometry for Saudi Arabia population, in regards to provide a better healthcare and well being of the maternal and fetuses.
本研究以沙特阿拉伯人口为研究对象,建立了新的双顶叶直径参考范围。本研究选取了2013年至2015年在沙特阿拉伯达曼妇产医院妇产科进行孕检的2075名孕妇为研究对象。数据记录于胎龄12 ~ 40周。BPD是用索尼公司的1-7-1 Konan Minator-K测量的。用屏幕卡尺对冻结图像的BPD参数进行线性测量。采用SPSS 22.0版软件进行分析,进行比较均值、回归分析、配对样本t检验等统计分析。结果发现妊娠中期(孕12 ~ 25周)BPD生长速率为2.90 mm/周,妊娠晚期(孕26 ~ 40周)BPD生长速率仅为1.68 mm/周,证明妊娠中期胎儿头部生长速度快于妊娠晚期。进一步分析产妇年龄、孕次、胎儿性别对BPD值无显著影响(p值≥0.05)。本研究的BPD值与美国[1]、挪威[2]、澳大利亚[3]、津巴布韦[4]、印度[5]、中国[6]和马来西亚[7]的BPD值无显著差异。因此,强烈建议医生将这一新的BPD值作为沙特阿拉伯人口胎儿生物测定的参考范围,以便为孕产妇和胎儿提供更好的医疗保健和健康。
{"title":"Fetal biometry assessment of biparietal diameter for Saudi Arabia population and comparison with other countries","authors":"R. Ramli, Mayyadah Hasan Rhaif Al-sahlanee, N. Z. N. Azman, Azhar A. Rahman, I. S. Mustafa, N. A. Razak, N. S. Ayob, Nabela Zakaria, Hana Mohammed Al-Marri, N. Yahaya","doi":"10.1109/ICCSCE.2016.7893600","DOIUrl":"https://doi.org/10.1109/ICCSCE.2016.7893600","url":null,"abstract":"In this study, a new reference range of biparietal diameter (BPD) is developed based on Saudi Arabia population. A number of 2075 pregnant women who attend the maternity check up in 2013 to 2015 at Department of Obstetrics and Gynecology, Hospital Maternity and Children of Dammam, Saudi Arabia, were involved in this study. The data were recorded from 12th to 40th weeks of gestational age (GA). The BPD was measured using Sony Corporation 1-7-1 Konan Minator-K. On-screen caliper is used to measure the BPD parameter on the frozen image using linear method. The SPSS software version 22.0 was used for analysis, with statistical analysis were performed such as compare means, regression analysis and paired sample t-test. Results show that higher BPD growth rate was found in second trimester (12th to 25th weeks of GA) with 2.90 mm/week compared to third trimester (26th to 40th weeks of GA) with only 1.68 mm/week, proved that the rapid growth of fetus head in second trimester than third trimester. Further analysis on maternal age, number of gravid and gender of the fetus were found no significant impact on the BPD values (p values ≥ 0.05). The BPD value of this study shows no significant difference with the BPD values of USA [1], Norway [2], Australia [3], Zimbabwe [4], India [5], China [6] and Malaysia [7]. Thus, this new BPD values are highly recommended to be used by the medical practitioner as the reference range of fetus biometry for Saudi Arabia population, in regards to provide a better healthcare and well being of the maternal and fetuses.","PeriodicalId":6540,"journal":{"name":"2016 6th IEEE International Conference on Control System, Computing and Engineering (ICCSCE)","volume":"1 1","pages":"366-369"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81553146","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: 0
Fuzzy-PID simulation on current performance for Modern Elevator 现代电梯电流性能的模糊pid仿真
Ainil Syafitri, G. Iwa, R. Gunawan, I. M. Ardita
Modern Elevator or Ropeless Elevator is modern elevator which works without using rope and suitable for skyscrapers transportations. Commonly transportations activities are going up and down with variations of load and distance at least that what traditional elevator does. This research is about investigate current performance by Fuzzy-PID simulation to see how this modern elevator works with variation of load and distance as the goal is for using on human and industrial activities. Experiment is made by testing on models from previous research with variations on load and distance to analyze the effect on current, as the key for the system to force and speed. Result from the experiment with random or in order number of load and distance shows that a lot of ripple occur on current which will be effect on stabilization of the system, but in other hand few ripple occur on force and speed Which give recommend that system need more investigation on improvement for structure, electricity and controller.
现代电梯或无绳电梯是不使用绳索工作的现代电梯,适用于摩天大楼运输。通常运输活动是随着载荷和距离的变化而上下移动的,至少传统电梯是这样做的。本研究是通过模糊pid仿真来研究当前的性能,以了解这种现代电梯如何在负载和距离变化的情况下工作,目标是用于人类和工业活动。实验通过对前人研究的模型进行测试,在负载和距离变化的情况下,分析电流对系统受力和速度的影响,电流是系统受力和速度的关键。随机或有序数负载和距离的实验结果表明,电流上出现大量纹波,影响系统的稳定,而力和速度上则很少出现纹波,说明系统在结构、电气和控制器等方面还需进一步研究改进。
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引用次数: 1
Comparative study of different Fuzzy-Neural configurations for autonomous vehicle following algorithm 不同模糊神经网络配置在自动驾驶车辆跟随算法中的比较研究
John Paolo A. Ramoso, M. Ramos
This paper investigates modelling vehicle following using Fuzzy-Neural Network (FNN). Architecture, training sets, and learning rate are manipulated to create 24 combinations of FNN. Generating two sets of weights per combination yields 48 simulations. Acceleration and deceleration profiles from seven electrical tricycles are observed while navigating through the University of the Philippines. A force equation has been applied to simulate vehicular dynamics. Each combination is then subjected to test run simulations to examine vehicular reactions to distance maintenance, velocity matching, and change in applied force to the vehicle. Results show that two 2 hidden layer FN and two NN allow a vehicle to successfully follow a lead vehicle.
本文研究了用模糊神经网络(FNN)建立车辆跟随模型。结构、训练集和学习率被操纵来创建24种FNN的组合。每个组合生成两组权重可以产生48次模拟。在菲律宾大学导航时,观察了七辆电动三轮车的加速和减速曲线。应用力方程对车辆动力学进行了模拟。然后对每种组合进行测试运行模拟,以检查车辆对距离维护,速度匹配和施加在车辆上的力的变化的反应。结果表明,两个2隐层FN和两个NN可以使车辆成功地跟随前导车辆。
{"title":"Comparative study of different Fuzzy-Neural configurations for autonomous vehicle following algorithm","authors":"John Paolo A. Ramoso, M. Ramos","doi":"10.1109/ICCSCE.2016.7893609","DOIUrl":"https://doi.org/10.1109/ICCSCE.2016.7893609","url":null,"abstract":"This paper investigates modelling vehicle following using Fuzzy-Neural Network (FNN). Architecture, training sets, and learning rate are manipulated to create 24 combinations of FNN. Generating two sets of weights per combination yields 48 simulations. Acceleration and deceleration profiles from seven electrical tricycles are observed while navigating through the University of the Philippines. A force equation has been applied to simulate vehicular dynamics. Each combination is then subjected to test run simulations to examine vehicular reactions to distance maintenance, velocity matching, and change in applied force to the vehicle. Results show that two 2 hidden layer FN and two NN allow a vehicle to successfully follow a lead vehicle.","PeriodicalId":6540,"journal":{"name":"2016 6th IEEE International Conference on Control System, Computing and Engineering (ICCSCE)","volume":"19 1","pages":"413-418"},"PeriodicalIF":0.0,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86157766","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
期刊
2016 6th IEEE International Conference on Control System, Computing and Engineering (ICCSCE)
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