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Method and control system for a displacement device, taking into account the relative angular position of a tractor and semi-trailer

  • US 8,694,211 B2
  • Filed: 04/08/2010
  • Issued: 04/08/2014
  • Est. Priority Date: 04/09/2009
  • Status: Active Grant
First Claim
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1. A method of controlling a displacement device for a fifth wheel coupling disposed on a tractor vehicle, wherewith the displacement device comprises:

  • a lower structure having at least one guide rail oriented in the direction of travel, a movable carriage which supports the fifth wheel coupling and engages the guide rail(s), and a control device connected to a motorized drive unit configured to displace the carriage and also connected to an adjusting member configured to fix the carriage with respect to the guide rail(s);

    comprising the steps of;

    making a measurement configured to determine an angle between the tractor and semi-trailer, generating in the control device, from the measurement signal, i) a time rate of change of an angle or ii) a time rate of change of a distance between the tractor vehicle and the semi-trailer, or iii) generating a time rate of change of angle or distance and transmitting the time rate of change of angle or distance to the control device, andconverting the measurement signal in the control device to a control signal, and thereby initiating an operation of the motorized drive unit and/or the adjusting member.

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