Turnout protection section automatic generation method

The invention discloses a turnout protection section automatic generation method, and relates to the technical field of turnout generation in rail transit, and the method comprises the following steps: S1, configuring a data structure of a turnout table; s2, configuring a fuzzy distance of a secondary detection equipment characteristic table, a distance between a train second axis of a train characteristic table and a train front section, and a distance between a train head and the front section; s3, configuring the minimum locking distance from the positioning direction behind the turnout to the switch tip and the minimum locking distance from the reverse direction behind the turnout to the switch tip; s4, the minimum locking distance between the turnout front positioning direction of the turnout and the turnout tip is configured; s5, configuring a data structure of each turn-back area in the COE turn-back area table; s6, generating a search distance before the turnout of the invasion limit area of the turno