Abstract
Airport runway friction coefficient test vehicle is the key equipment to test the runway friction coefficient, it's test precision directly affects the safety of aircraft. The international civil aviation organization prescribed slip ratio is 12%.How to maintain this value is a key part. This thesis aims to do research for this slip ratio control system. High speed on-off valve is its core part. The traditional friction coefficient testing vehicle adopt servo valve. But servo valve is high demanding on its operating environment and its expensive. Using high speed on-off valve is good to avoid these disadvantages. The simulation results show that the method is reliable and effective.
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