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This research proposes a method to create an objective comfort index for public transportation and suggests the use of low cost technology to acquire the required data. A case study of Montreal showcase the approach for two key indicators: vehicle's vibrations, and noise levels. Cross comparisons to London (U.K.) and Santo Domingo (Dominican Republic) were used to characterize the degree of comfort...
Short-term traffic forecasting has been a hot research area in transportation research for more than sixty years. In recent years, more and more spatio-temporal models for short-term traffic forecasting were put forward with the consideration of spatial-temporal characteristic of traffic. This paper reviews the spatio-temporal models on short-term traffic flow forecasting and points out that the novel...
Since fairness deals with the quality of distributing the jobs and creates an ambience that is free from any discrimination, any distribution management problem must take fairness issue into consideration. Again, since the Vehicle Routing Problem (VRP) is also a distribution management problem, any VRP solving algorithm must consider the fairness when solutions are explored. However, most of the proposed...
The estimation of bus travel time and providing accurate information about bus arrival time to passengers are important to make public transport system more user-friendly and thus enhance its competitiveness among various transportation modes. However, for the system to be effective, the information provided to passengers should be highly reliable. The model and technique used for prediction plays...
Manual motion control (MMC) problems are seen in the conveyance of a large amount of products in factories and stores. One of the most successful examples of MMC is power assist. The power-assisted systems have been introduced to reduce workers' loads in industrial production. In near future, in order to improve its efficiency, the power-assisted systems should include automatic operational modes...
The lack of the historical data of new rail line makes the passenger flow distribution prediction be a challenge. Traditional methods always use simple factors, which can not reflect the complexity of OD distribution. This paper proposes a novel passenger flow distribution prediction method based on multi-factor model. This method obtains quantitative impact factors of OD distribution by analyzing...
The codes for analysis and design of subway station circulation facilities neglect the important factors such as passenger flow randomness, state-dependent service time of circulation facilities, and passengers blocking when demand exceeds capacity. This paper proposes a new Discrete-Event Simulation (DES) method using Phase-Type distribution to analyze the performance of circulation facilities of...
In this paper, in order to study the equivalent simplified model of multi-layer vertical isolation structure under heavy load train vibration, the two degree of freedom simplified calculation model of the multi-layer isolated structure is presented based on the equivalent principle of the first two order frequency and the total axial force. Based on the theoretical analysis, the equations of motion...
Electric vehicle transportation system have gained increasing attention in recent years. Low weight, less volume and high efficiency are the main requirement of electric vehicles. Efficiency analysis of drive of electric vehicles is of major concern to increase its driving range per charge. This paper proposes Interior Permanent Magnet Synchronous Motor (IPMSM) Drive controlled by Field Oriented Control[1]...
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