Abstract: This paper proposes a method to estimate OD distribution of road traffic by using nonlinear programming based on the maximizing entropy principle, and combining an example, it checks its effectiveness. The result indicates that the precision is satisfactory. Thus the method is feasible and has certain practical significance.

Key words: road traffic, OD distribution, nonlinear programming

摘要： 本文根据极大熵原理,提出了一种利用非线性规划推断道路交通OD分布的方法,同时结合一个实例,检验了该方法的有效性。计算结果表明,推算精度是令人满意的,因而方法是可行的,有一定的实际意义。

关键词: 道路交通, OD分布, 非线性规划