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Vehicle wheel speed-based determination or estimation of a load weight of a load carried by a commercial vehicle

  • US 9,658,099 B2
  • Filed: 08/05/2015
  • Issued: 05/23/2017
  • Est. Priority Date: 08/06/2014
  • Status: Active Grant
First Claim
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1. A method for determining or estimating a load weight of a load carried by a commercial vehicle using a vehicle control system, in particular by an industrial truck such as a forklift truck, comprising:

  • a) determining with the vehicle control system a speed ratio between a first speed of at least one first wheel loaded by a load carried in a load carrier of the vehicle and a second speed of at least one second wheel of the operating vehicle which has received the load in the load carrier, which second wheel is less heavily loaded or not loaded by a load carried in the load carrier or is relieved by a load carried in the load carrier;

    b) determining or estimating with the vehicle control system the load weight of the carried load (28) on the basis of the determined speed ratio and predetermined reference data stored in data storage, wherein a wear state of the wheels is taken into account in said determining or estimating the load weight, andc) the vehicle control system controlling at least one drive unit of a commercial vehicle based on the determining or estimating the load weight of the carried load carried by the vehicle.

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