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However, Google is currently faced with the primary problems of driving safety and efficiency.
Furthermore, the Mobileye Vision Technologies, a technology company in Israel, had successfully developed a relatively low-cost unmanned system, and the cost of material required for only a few hundred dollars beyond its simple function, such as only driving in the single lane road, acceleration, and parking at the traffic lights.
Fast and accurate calculation of the driving safety distance is the aim to achieve precise vehicle control, while the different ranging approaches greatly affect the accuracy of safety distance calculation.
Owning to the special circumstance and requirements of the vibrator work, the designed system used pulsed laser ranging method and combined with GPS navigation system and camera to obtain a more accurate real-time road condition and the preceding vehicle information to reach the goal of motorcade driving safety.
The International Journal of Robotics Research, Sep 2007; vol. 26: pp. 889-916, 2007

Introduction Structural health monitoring (SHM) system for bridge has become one of the most important topics in the field of civil engineering to prevent tragic bridge collapses and to ensure structural integrity and safety.
The SHM system with the proposed frameworks was found to be stable and tractable under the normal traffic operation on the bridge.
Canadian Journal of Civil Engineering 1997; 24(6): 951-62
Bellingham (WA): The International Society for Optical Engineering; 2000. p. 112-26
Bellingham (WA): The international Society for optical engineering; 2001. p. 517-24

., Beijing 100044, China; 2 State Key Laboratory of Rail Traffic Control and Safety, Beijing 100044, China a wshg@bjtu.edu.cn, b 12125106@ bjtu.edu.cn, c bgcai@bjtu.edu.cn, d wangj@bjtu.edu.cn Keywords: Train control system, reliability, Markov, dynamic fault tree, cut sets Abstract.
YETP0538), National International Scientific and Technological Cooperation Project (Grant No. 2014DFA80260).
References [1] W.S.Lee, D.L.Grosh, F.A.Tillman, etc:Fault Tree Analysis, Methods, and Applications A Review(IEEE JOURNALS&MAGAZINES, 1985)
[2] S.Suganthi, D.Kumar: IEEE International Conference on ICMIT( 2010),p.1118
[6] Z.Zhengfu, L.Changfu, H.Enshan, ect: Dynamic Tault Tree Analysis Based on Markov Chain Method(Introducing Journal of China Ordnance, China, 2008).

Fig.4 Security pyramid model (2) Safety rules—Hain rules.
[3] Jun Sun : submitted to Chinese Journal of Rock Mechanics and Engineering 18(Supp.) (1999): 753–762
[5] Hongwei Huang : submitted to Chinese Journal of Underground Space and Engineering Vol.2,No,1 (2006):13-20
[10] The International Tunneling Insurance Group.
[13] Meili Lu, Weining Liu and Xinggao Li: submitted to China Safety Science Journal Vol.15,No.5 (2005): 96-100

The noise reflectance is very serious within the tubular space of tunnel, and the traffic noise is heavy.
International Commission on Illumination (CIE) also classified pavement into R1～R5 grades based on lighting.
(3) The principle of easily maintain The traffic will be bad during the process of tunnel maintaining which need the pavement easily maintain.
[4]J.Kang, Journal of Architectural Science Review39(1996),89-94
[10] Qun Yang, Journal of Tongji University (Natural science) 33(2005),316-320.

In recent years, with the rapid development of logistics information system, using the wireless location technology to track and backtrack goods (as the three-dimensional identification orientation safety net which real-time oversight the vehicle and cargo information in the whole supply chain system) has wide application in the field of object tracking, vehicle guidance and so on.
Combining the GPS Real-time positioning with RFID fast recognition to application will greatly enhance the level of safety management of vehicles and cargo in the transport of cargo [2].
Application of enterprise location refers to location services for the group mobile phone or dedicated terminals, such as traffic monitoring and vehicle scheduling, anti-theft security, charge difference based on location and fraud management etc.
With wireless location technology, operators can plot the traffic statistics of different areas, a reasonable optimization of the network to improve network quality of service (QoS).
International Journal of Production Economics Vol. 128, (2010), p. 77-95

At present, the Internet of things has become a hot topic of attention in scientific community and domestic and international academic circles.
Journal of Chinese computer users, 2009 (12) : 14-15
Journal of software Tribune, 2010 (5) : 6-7
Journal of fujian computer, (5): 2010-40, 48
Journal of communication world, 2009 (46): 3-5

Introduction The principal goal of the research presented in this paper is to investigate new accurate and inexpensive techniques for the measurement of pollutants' concentrations in the vicinity of airports and dense air traffic areas.
With an increasing maturity level, a possible deployment of the measurement system will be investigated in the next generation Communication, Navigation, Surveillance and Air Traffic Management (CNS/ATM) context.
Alimuddin, et al., Measurement of Volcanic SO2 Concentration in Miyakejima Using Differential Optical Absorption Spectroscopy (DOAS), Open Journal of Air Pollution2 (2013) 36-46.
Richardson, A new approach to eye-safety analysis for airborne laser systems flight test and training operations, Optics and Laser Technology35 (2003) 191-198.
Ramasamy, and K. de Ridder, 4-Dimensional Trajectory Negotiation and Validation System for the Next Generation Air Traffic Management, in proceedings of AIAA Guidance, Navigation, and Control Conference 2013 (GNC2013), Boston, MA, USA, 2013.

For a correct management of pedestrian flows, under regular or safety-critical situations, a deep understanding of individual and crowd dynamics is crucial.
However, the Stokes number for unidirectional traffic is much less than for multi-directional traffic.
Jenkins, Response of pedestrians to traffic challenge, Transportation Research 8 (1974) 71-74
Wolf (Eds.), Traffic and Granular Flow´05, Springer, Berlin, 2007, pp. 357–362
Miguel, Natural flow systems: acquiring their constructal morphology, International Journal of Design & Nature and Ecodynamics 5 (2010) 230-241 [32] A.

Introduction With the rapid development of the city and the growing popularity of car, the traffic jam appears in some cities.
The metro has advantages of large capacity, fast speed, safety, on time arrival, low pollution, low energy consumption, convenient and comfortable, so it is called "Green Transport".
According to International Organization for Standardization’s provision, suspended solids whose particle size less than 75μm is defined as dust.
Parameter of the air compressors and vacuum cleaner was selected by the calculated data, and then multiply the safety factor to ensure dusts can be inhaled in the pipelines.
Journal of Chongqing University of Technology (Natural Science), 2011, 25 (5) :13-17