US Patent 10564632 Systems and methods for sensory automated material handing

In an embodiment an automated material handling system (AMHS) for a semiconductor fabrication facility (FAB) includes: a sensor supported by a rail, wherein the sensor is configured to collect sensor data characterizing a vehicle that moves along the rail, wherein the vehicle is configured to carry at least one wafer; and a monitoring module configured to: detect a trigger event based on the sensor data, and initiate a remediation action in response to the trigger event.