System and method for determining a location and direction of travel of an object transport vehicle

A method for tracking an object transport vehicle, comprising:

• calculating a front center point of the object transport vehicle based on first signals received from each of a first plurality of wireless devices, each of the first plurality of wireless devices affixed to a front portion of the object transport vehicle;
• calculating a rear center point of the object transport vehicle based on second signals received from each of a second plurality of wireless devices, each of the second plurality of wireless devices affixed to a rear portion of the object transport vehicle;
• determining a location and direction of travel of the object transport vehicle based on the front center point and the rear center point;
• and
• determining the location and direction of travel of the object transport vehicle based only on the rear center point, on a condition that:
• the first signals from the first plurality of wireless devices are not received;
• and
• prerequisites are met.

An object transport vehicle tracking system, comprising:

• a first plurality of wireless devices affixed to a front portion of the object transport vehicle;
• a second plurality of wireless devices affixed to a rear portion of the object transport vehicle;
• a controller configured to:
• determine a location and direction of travel of the object transport vehicle based on first signals received from each of the first plurality of wireless devices and second signals received from each of the second plurality of wireless devices;
• and
• determine the location and direction of travel of the object transport vehicle based only on the second signals from the second plurality of wireless devices, on a condition that:
• the first signals from the first plurality of wireless devices are not received;
• and
• prerequisites are met.