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| A Method for Constructing Reliability Target Load Spectrum of Taxi Customers |
| LI Wen-liang, ZHOU Wei, DONG Xuan, ZHANG Lu |
| Research Institute of Highway, Ministry of Transport, Beijing 100088, China |
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Abstract A method for constructing load spectrum based on typical working condition data acquisition and velocity distribution is presented to improve the authenticity and effectiveness of customer reliability target load spectrum. Normal distribution parameters of taxi daily mileage are estimated with least squares method, and customer target total mileage is calculated. Based on the same velocity distributions of the total sample and customer typical loads, the model of customer typical loads is established. The velocity distributions of the total sample and the measured load are statistically analyzed using GPS data, and the model parameters of customer typical loads are calculated to realize the reconstruction of typical loads. According to the reconstructed customer typical load data and total target mileage, the customer reliability target load spectrum is obtained through extrapolation. Results show that the customer reliability target load spectrum constructed with velocity distribution is accurate and effective in reflecting customer actual use conditions.
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Received: 30 March 2016
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| Fund:Supported by the Standard Research Project of Ministry of Transport (No. 2013419221190) |
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Corresponding Authors:
LI Wen-liang,E-mail:wl.li@rioh.cn
E-mail: wl.li@rioh.cn
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2016, Vol. 10 
