Abstract
This paper aims to develop a three-dimensional optimization model for railway alignment design based on Dynamic Programming. In the model, the optimization of railway alignment design is regarded as an optimization of 3-dimensional curves, and the formulation of optimization and the treatment of constraints are simplified by using DP. This model is more practically oriented than models based on optimization method of partial derivatives. In theory, the proposed model can give a global optimization solution. The proposed model is verified by data from P.R.China.
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