Patent ID: 8090490

Claim:
An automatic recovery and transport system built in a wafer factory which has a maintenance area and a plurality of wafer cassette storage areas, comprising: a manufacture execution system; a path planning system, electrically connected with the manufacture execution system; a vehicle control system, electrically connected with the path planning system; a plurality of vehicles, electrically connected with the vehicle control system, wherein each of the wafer cassette storage areas has a storage area detection device mounted therein, and each of the vehicles has a vehicle detection device mounted thereon, and the vehicle detection devices are used for detecting whether the storage area detection devices have faults; and an alarm system, electrically connected with the path planning system and the vehicle control system for recording a number of abnormal state occurrences of each vehicle and setting a maximum bearing number, wherein when the number of abnormal state occurrences of one of the vehicles reaches the maximum bearing number, the alarm system commands the path planning system to command the vehicle control system to drive the vehicle of which the number of abnormal state occurrences reaches the maximum bearing number to enter the maintenance area.