Abstract: In order to objectively evaluate dispatchers' operation ability, a dispatching quality evaluation method based on train delay and recovery environment was established by using actual train operation data. Firstly, delay recovery was regarded as a gray box problem. The regularity of delay and delay recovery under different operation conditions were analyzed on the basis of the actual train performance data, and the multi-dimensional train delay environment and the delay recovery environment were constructed. Then a three-tier evaluation system framework including evaluation objects, evaluation indicators and constraints was established, and the evaluation steps and grading criteria of high-speed railway dispatching quality were proposed. Finally, the actual train delay sequence was selected to evaluate the dispatching quality and verify the availability of the evaluation method. The results show that the proposed quality evaluation method based on the establishment of the delay and recovery environment can provide a relatively objective evaluation conclusion for train dispatching level within a certain time range.

Key words: high-speed railway, delay environment, delay recovery environment, train dispatching, quality evaluation