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2018 3rd IEEE International Conference on Intelligent Transportation Engineering (ICITE)最新文献

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Driving Style Analysis by Classifying Real-World Data with Support Vector Clustering 基于支持向量聚类的真实世界数据驾驶风格分析
Yuxiang Feng, S. Pickering, Edward A. Chappell, Pejman Iravani, C. Brace
All drivers have their own habitual choice of driving behavior, causing variations in fuel consumption. It would be beneficial to classify these driving styles and extract the most economical and ecological driving patterns. However, driving style of each driver is not consistent and may vary within a single trip. Therefore, this paper proposes a novel technique to robustly classify driving style using the Support Vector Clustering approach, which attempts to differentiate the variations in individual's driving pattern and provides an objective driver classification. Real driving data of three human participants were collected using an instrumented vehicle. For data processing, each trip data were first segmented into separate event groups. Prominent factors were then extracted by applying Principal Component Analysis on both statistical and spectral features of all signals. Afterwards, Support Vector Clustering was performed to classify driving style during the trip. The trained classifier was used to indicate the driving pattern variations in percentage. The validity of the proposed method was evaluated using the jerk profile, where a high correlation was found between the classification results and jerk distributions. Moreover, a positive relation between fuel consumption and driving aggressivity was also confirmed. Furthermore, it was found that weather condition, time of the day and ultimately, the driver's eagerness, can cause significant variations in driving style.
所有司机都有自己习惯性的驾驶行为选择,导致燃油消耗的变化。对这些驾驶方式进行分类,提炼出最经济、最生态的驾驶方式。然而,每个司机的驾驶风格并不一致,在一次旅行中可能会有所不同。因此,本文提出了一种基于支持向量聚类的稳健驾驶风格分类方法,该方法试图区分个体驾驶模式的变化,为驾驶员提供客观的分类。使用仪表车辆收集三名人类参与者的真实驾驶数据。对于数据处理,每次行程数据首先被分割成单独的事件组。然后通过主成分分析对所有信号的统计特征和频谱特征进行提取。然后,使用支持向量聚类对驾驶风格进行分类。训练好的分类器被用来表示驱动模式的百分比变化。所提出的方法的有效性进行了评估,使用抽动剖面,其中一个高度相关的分类结果和抽动分布之间发现。此外,油耗与驾驶攻击性之间的正相关关系也得到了证实。此外,研究还发现,天气状况、一天中的时间以及司机的热情程度,都会导致驾驶风格的显著变化。
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引用次数: 22
Intent Inference of Driver's Deceleration Maneuver and Its Safety Impact on a Platoon of Vehicles 驾驶员减速机动的意图推理及其对车队安全的影响
Hironori Suzuki, Takahisa Izawa
Rear-end collisions in longitudinal car-following situations occasionally cause severe multiple collision accidents, especially in high-density and high-speed traffic situations. However, if a preceding car driver's deceleration intention could be inferred in advance, even a second earlier, the risk of a collision could be decreased not only between vehicle pairs but also for car platoons. This paper reports on the application of our previously reported intent inference system to a platoon of vehicles and evaluates its impact on safety. The system utilizes an unscented Kalman filter (UKF) and attempts to infer the intent of a vehicle ahead 1.5 s in advance of its driver's most likely action. The inferred intention is then provided to the driver of the assisted vehicle through an interface based on a windshield display, and earlier experiments have proved that the system is quite effective for collision risk mitigation. In this paper, we report on an investigation into the safety impacts of our system on a platoon of vehicles following an assisted vehicle. The results of a traffic simulator experiment showed that the system could provide significant safety benefits to multiple cars traveling behind an assisted vehicle in a vehicle platoon.
纵向跟车情况下的追尾碰撞偶尔会造成严重的多重碰撞事故,特别是在高密度高速交通情况下。然而,如果能提前一秒钟推断出前车驾驶员的减速意图,不仅可以降低车辆对之间的碰撞风险,也可以降低汽车排之间的碰撞风险。本文报告了我们之前报道的意图推理系统在车辆排中的应用,并评估了其对安全的影响。该系统利用无气味卡尔曼滤波器(UKF),并试图在司机最可能采取行动前1.5秒推断出前方车辆的意图。然后将推断出的意图通过基于挡风玻璃显示的界面提供给辅助车辆的驾驶员,早期的实验证明该系统对于降低碰撞风险是非常有效的。在本文中,我们报告了一项关于我们的系统对跟随辅助车辆的车辆排的安全影响的调查。交通模拟器实验结果表明,该系统可以为车辆排中与辅助车辆后面行驶的多辆汽车提供显著的安全效益。
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引用次数: 1
A Methodology of UX Design of Touch-based Automotive Headunit by Minizing Driver's Distraction 最小化驾驶员分心的触控汽车头显用户体验设计方法
S. Han, Jinhuk Jeong, Sukhyun Seo
High expectations are given to cars with focus on traditional driving while incorporating a variety of features. The inclusion of high specification features such as autonomous driving has enabled the vehicle to have a variety of functions in addition to driving. It is important to provide the driver with easy control of various convenience features such as navigation and air conditioners. It is also important to manipulate in-vehicle information system (IVIS) from the driver's point of view. The objective of this study was to determine effects of traditional button-operated controls on driving under the influence of touched control and touch-type controls using a variety of criteria to derive requirements that must be satisfied to change touched control. (Abstract)
人们对注重传统驾驶,同时融合多种功能的汽车寄予了很高的期望。包括自动驾驶等高规格功能,使车辆除了驾驶之外还具有各种功能。重要的是要让驾驶员能够轻松控制导航和空调等各种便利功能。从驾驶员的角度来操作车载信息系统(IVIS)也很重要。本研究的目的是确定传统按钮操作控制在触摸控制和触摸类型控制的影响下对驾驶的影响,使用各种标准得出改变触摸控制必须满足的要求。(抽象)
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引用次数: 0
Automatic Discharge Temperature Control based on ensory Temperature for Automobiles 基于传感器温度的汽车排气温度自动控制
JinHyuk Jeong, S. Han, Sukhyun Seo
The temperature control of the existing fatc is affected by the set temperature, the internal temperature, the ambient temperature, and the solar radiation without considering the driver's condition. Therefore, depending on the driver's feeling, the same temperature may feel cold or hot. However, I think that the temperature control should be given priority according to the driver's feeling. We added driver's sensory temperature to existing FATC temperature control method. Accordingly, it is possible to consider the temperature sensed by the driver when controlling the temperature.
现有脂肪的温度控制受到设定温度、内部温度、环境温度和太阳辐射的影响,而不考虑驾驶员的状况。因此,根据驾驶员的感觉,同样的温度可能会感觉冷或热。然而,我认为温度控制应该根据驾驶员的感觉优先考虑。我们在现有的FATC温度控制方法的基础上增加了驾驶员感知温度。因此,在控制温度时可以考虑驾驶员感知到的温度。
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引用次数: 0
Two-stage Layout Optimization Model for Multi-level Pickup Point 多级取货点两阶段布局优化模型
Xun Han, Kun Wang
To ensure the effective use of construction funds and realize the planning of pickup network for the target market, the phased construction of terminal distribution network under different targets was proposed with consideration of the cost constraints. By taking the level of pickup points and requirement type of customers into consideration, the second stage construction plan was designed based on the construction plan at first stage. The two-stage layout optimization model with maximum demand coverage and weighted satisfaction enhancement was thus established. The genetic algorithm was used to solve the optimization problem, which was verified by a case. Also, the influences of the budget allocation on the construction scheme was also analyzed. Results show that if the enterprise's cash flow capacity is limited, it should allocate the budget according to its own emphasis on the development target; if capable, it is recommended to invest as much as possible in the first stage.
为保证建设资金的有效利用,实现对目标市场取货网络的规划,在考虑成本约束的情况下,提出了不同目标下的终端配电网分期建设方案。考虑到取货点的等级和客户需求类型,在第一阶段施工方案的基础上设计第二阶段施工方案。建立了需求覆盖率最大化和加权满意度增强的两阶段布局优化模型。采用遗传算法求解优化问题,并通过实例验证了算法的有效性。分析了预算分配对施工方案的影响。结果表明,在企业现金流能力有限的情况下,企业应根据自身对发展目标的重视程度来分配预算;如果有能力,建议在第一阶段投入尽可能多的资金。
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引用次数: 0
A Novel Method of Island Port'S Transport: Automatic Guided Vehicle Approach 一种新的海岛港口运输方法:自动引导车辆进场
Xiaoning Wang, Li Song, Peijie Wu
The Shanghai Yangshan Port, which is an island port with limited area, is only connected to the Shanghai's inland by Donghai Bridge whose condition cannot lay railways trucks. Meanwhile, empty-load backhaul and empty container balancing waste amount of transport resources. All these limit the port's future development and overall transport efficiency. This paper proposed a novel method that used the electric AGVs fleet to transport containers between island port and inland port (Luchao port), and reduced the empty-load transportation by using one AGV to carry an empty-load AGV. Hence, the inland port could be served as the second yard and the sea-rail intermodal hub of the Yangshan Port to promote the sea-rail combined transportation and expand the port's hinterland area. Then, exhaust emission, energy consumption and cost were analyzed. The results showed that using AGVs can reduce 50% of the total energy cost and 87% of the total CO2 emissions. Meanwhile, an AGV's total monthly costs were equivalent to a container truck when transporting 10 containers per day.
上海洋山港是一个面积有限的岛港,仅通过东海大桥与上海内陆相连,而东海大桥的条件无法铺设铁路卡车。同时,空载回程和空箱平衡了运输资源的浪费。这些都限制了港口的未来发展和整体运输效率。本文提出了一种利用电动AGV车队在海岛港与内陆港(鹿潮港)之间运输集装箱的新方法,采用一辆AGV搭载一辆空载AGV的方式减少了空载运输。因此,内河港可作为洋山港的第二堆场和海铁联运枢纽,促进海铁联运,扩大港口腹地。然后对废气排放、能耗和成本进行了分析。结果表明,使用agv可降低50%的总能源成本和87%的总二氧化碳排放量。同时,一辆AGV每月的总成本相当于一辆集装箱卡车每天运输10个集装箱。
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引用次数: 0
Long-Distance Vehicle Detection Algorithm at Night for Driving Assistance 面向驾驶辅助的夜间远距离车辆检测算法
Hung-Pang Lin, Po-Hsiang Liao, Y. Chang
In recent years, the Advanced Driver Assistance System (ADAS) system has received increasing attention. In the ADAS field, front vehicle detection is a popular technology. With this technology, we can alert drivers to avoid unnecessary collisions and accidents. Nighttime vehicle detection is indispensable. The spirit and attention of people at night will fall, and it will make the warning system more important. How to accurately detect vehicles in the night has become an important issue. At night, the headlights have a stronger feature than the vehicle contours, and have a better effect for vehicle detection. This paper uses a single camera and uses the lights as a method of night vehicle detection. And use RCCC camera to enhance image quality and improve the success rate of detection.
近年来,先进驾驶辅助系统(ADAS)系统越来越受到人们的关注。在ADAS领域,前方车辆检测是一项非常受欢迎的技术。有了这项技术,我们可以提醒司机避免不必要的碰撞和事故。夜间车辆探测是必不可少的。人们在夜间的精神和注意力会下降,这将使预警系统更加重要。如何在夜间准确探测车辆已成为一个重要课题。在夜间,车头灯比车辆轮廓具有更强的特征,对车辆的检测效果更好。本文采用单摄像机,利用灯光作为夜间车辆检测的一种方法。并采用RCCC摄像机增强图像质量,提高检测成功率。
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引用次数: 3
Dual-eyebox Head-up Display 双眼箱平视显示器
C. Shih, Cheng-Chieh Tseng
Regardless of the designs, the present optical designs for head-up display (HUD) focus mainly on the optical path structure, which results in large and far virtual images, and a reduction in size. However, after optical amplification, the display range and size will be limited and reduced that limits the driver's vision to a specific area. In order to solve the problems of the existing structure, this study uses imaging design as the development target and applies the capability of optical simulation design to perform ray tracing simulation. By doing so, this can solve the aberration problem caused by the limitations of the off-axis and space configurations. The specially designed laminated combiner allows the optical system to achieve the effect of multiple display ranges. The output specifications are two eyeboxes with dimensions of 90×120mm, a virtual image distance of 2,000mm, a magnification factor of about 4x, and a maximum distortion value not exceeding 5%.
目前的平视显示器(HUD)光学设计主要集中在光路结构上,这导致了大而远的虚拟图像,并且减小了尺寸。但是,经过光学放大后,显示范围和尺寸将受到限制和缩小,从而将驾驶员的视野限制在特定区域。为了解决现有结构存在的问题,本研究以成像设计为发展目标,利用光学模拟设计的能力进行光线追踪模拟。通过这样做,可以解决由于离轴和空间配置的限制而引起的像差问题。特别设计的叠层组合器使光学系统能够实现多显示范围的效果。输出规格为两个眼盒,尺寸为90×120mm,虚像距离2000mm,放大倍率约4倍,最大畸变值不超过5%。
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引用次数: 4
Electric Car with Assistive Parking 电动汽车与辅助停车
Ahsan Anis, Muhammad Taha, M. S. Dewan, Murad Rani Siddiqui
The idea of electric car was first made into consideration in 18th century which were among preferred methods for transportation methods as they provide a level of comfort and ease of operations that was not able to achieve by gasoline cars at that time. The technology advancement from the first electric car to the 20th century has been developed significantly, providing more range, more built-in features, less maintenance, eco-friendly, and powerful batteries and motor. The increasing number of cars on road has made difficult for drivers to park in a compact spaces which requires time, precision and skills, and there are many drivers who have trouble in facing these issues, so the automobiles companies are now testing autonomous parking features which can parallel park and forward/reverse bay park, from detecting the empty parking space to rotating the steering and setting to straight position all are done autonomously, which can also be controlled by your mobile phone.
电动汽车的想法最初是在18世纪被考虑的,它是交通方式的首选方法之一,因为它们提供了当时汽油车无法实现的舒适和易于操作的水平。从第一辆电动汽车到20世纪的技术进步已经取得了显着的发展,提供了更多的里程,更多的内置功能,更少的维护,环保,强大的电池和电机。道路上的汽车越来越多,使得司机很难在紧凑的空间内停车,这需要时间、精度和技能,而且有很多司机在面对这些问题时遇到了麻烦,所以汽车公司现在正在测试自动停车功能,可以平行停车和正/倒泊车,从检测空车位到旋转方向盘和设置到直线位置都是自动完成的。也可以用手机控制。
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引用次数: 0
An Integrated Optimization Model for Urban Agglomeration Traffic and Land Use Based on Multi-objective Particle Swarm Optimization Algorithm 基于多目标粒子群算法的城市群交通与土地利用综合优化模型
Jiaqi Wu, Yang Yu, W. Xue, Qinyuan Zhang
Based on the mutual relationship between traffic and land use, the Integrated Transportation and Land Use Model (ITLM) is established from the perspective of urban agglomeration development. The model parameters are calibrated by using MATLAB and ArcGIS in combination with information entropy model and Multi-objective Particle Swarm Optimization. From the macro and meso perspectives, the space syntax is used to quantify the transport links of cities in urban agglomerations. Taking the Yangtze River City Group as an example, combined with big data analysis by POI, after optimization of the land use area, population size, and traffic structure of various types of nature through the ITLM model, traffic occurrence and attraction of cities in urban agglomerations tend to be more balanced than the current situation. It plays a vital role in analyzing the current status of cities in urban agglomerations and promoting the further development of urban agglomerations.
基于交通与土地利用的相互关系,从城市群发展的角度建立了交通与土地利用综合模型(ITLM)。结合信息熵模型和多目标粒子群算法,利用MATLAB和ArcGIS对模型参数进行了标定。从宏观和中观两个角度,运用空间句法对城市群中城市的交通联系进行量化。以长江城市群为例,结合POI大数据分析,通过ITLM模型对各类性质的土地利用面积、人口规模、交通结构进行优化后,城市群内城市的交通发生和吸引力趋向于比现状更加均衡。它对于分析城市群城市的现状,促进城市群的进一步发展具有至关重要的作用。
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引用次数: 0
期刊
2018 3rd IEEE International Conference on Intelligent Transportation Engineering (ICITE)
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