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Foreign logistics enterprises use information technology and rapid reactive operation to subordinate Chinese logistics market, the logistics information technology level of our countries' enterprises increased year by year, and informationization level is also higher and higher. As the internet of things technology development, the logistics information management achieved by the internet of things...
With an increasing emphasis on public transits, the level of service (LOS) provided has gained more attention than ever. In this paper, we aim to evaluate the reliability of the public bus service via the abundant data of GPS and Smart Card. Three indexes (PIL, PIS, and DIS) are taken into consideration; a comprehensive evaluation of Bus No.757 in Shanghai is achieved by the collaboration of these...
In order to improve the accuracy and reliability of the vehicle navigation, we select the ring laser gyro (RLG) strapdown inertial navigation system (SINS) as the core navigation system, and select GPS and odometer as the navigation aids, the multisensor integrated navigation system for land vehicle based on the multi-sensor information fusion technology is designed and accomplished in this paper...
Vehicle-to-Vehicle (V2V) communications can be a promising means for providing active safety in driving. Broadcasting can be an essential technology for the dissemination of safety information from a vehicle to vehicles and a roadside unit (RSU) to vehicles. In this paper we propose a reliably suppressed broadcasting protocol for V2V communications. The proposed protocol effectively selects forwarding...
This paper introduced the GPS/GPRS-based remote electronic monitoring and calibration system, as well as its working principle and system framework. Then the hardware structure and software designing of vehicle mounted unit were introduced. Next, we emphasize testing the reliability and speed of communications while refreshing the data of ECU through GPRS. As a conclusion, it quickly implements the...
We developed a novel vehicle positioning method using the existing infrared beacon infrastructure that has been spreading on Japanese roadways. This method can realize measurement accuracy of 50 cm whenever the vehicle passes under an infrared beacon roadside unit. GPS is now a popular means of providing vehicle-positioning systems. When applying GPS to more critical purposes, however, it generally...
This article presents a computer vision/dead reckoning based monitoring of transit service reliability in urban areas. The traditional dead reckoning and signpost technologies for position determination, which many agencies use, suffers from a number of limitations, including the drift of the dead reckoning system and the incapability of the signpost system to locate a vehicle on a continuous basis...
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