US Patent 11077730 Sensor mounting height estimation using load sensors

A method and apparatus for a method that includes providing at least one sensor mounted to a structure on a vehicle. The at least one sensor is located at a sensor height relative to ground level. A first object is located on the vehicle at a fixed distance from the at least one sensor and at a variable distance from ground level. The variable distance estimated as a function of a vehicle load. The sensor height adjusted based on the variable distance to account for any changes in the vehicle load. A second object is spaced at a vertical distance from ground level. An adjusted sensor height used for comparison to the vertical distance of the second object from ground level.