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    • 63. 发明公开
    • METHOD AND MODULE FOR DETERMINING OF VELOCITY REFERENCE VALUES FOR A VEHICLE CONTROL SYSTEM
    • 方法和模块来确定速度值,车辆控制系统
    • EP2440423A1
    • 2012-04-18
    • EP10786447.2
    • 2010-05-31
    • Scania CV AB
    • JOHANSSON, OskarHANSSON, JörgenPETTERSSON, Henrik
    • B60K31/00B60W30/14B60W40/06G01C21/32
    • B60W10/10B60W10/06B60W30/143B60W40/06B60W2550/402B60W2720/10B60W2720/103Y02T10/52
    • The present invention relates to a method for determining speed set-point values v
      ref for a vehicle's control systems. The method comprises the steps of: determining a horizon by means of position data and map data of an itinerary made up of route segments with at least one characteristic for each segment; calculating threshold values for said at least one characteristic of segments according to one or more vehicle-specific values, which threshold values serve as boundaries for assigning segments to various categories; comparing said at least one characteristic of each segment with the calculated threshold values and placing each segment within the horizon in a category according to the results of the comparisons; calculating set-point values for the vehicle's control systems across the horizon according to rules pertaining to the categories in which segments within the horizon are placed; and when any characteristic in segments within the horizon indicates a hindrance, the following steps are performed: - calculating the vehicle's retardation on the supposition that the brakes are not used according to said rules pertaining to the segment categories; - determining a start position within the horizon for commencement of retardation of the vehicle according to its calculated retardation in order to achieve a lowering of the set-point speed v
      ref to a maximum speed required by the hindrance at the location of the hindrance; adapting the speed set-point values v
      ref within the horizon according to said start position and retardation of the vehicle and regulating the vehicle's speed according to the speed set- values v
      ref . The invention comprises also a module adapted to determining set-point values for a control system in the vehicle.