Scania Cv Ab

Henrik Pettersson

Zoltan Kardos

Oskar Johansson

Jörgen Hansson

Fredrik Swartling

Maria Södergren

Magnus Hagberg

Per Sahlholm

Assad Alam

Assad Al Alam

Anders Johansson

Kuo-Yun Liang

Josefin Kemppainen

Sanna Nilsson

Karl Henrik Johansson

Jonas MÅRTENSSON

A module for determining speed set-point values vfor a vehicle's control systems includes an input unit configured for input, e.g. by the vehicle's driver, of a reference speed vwhich is the speed desired by the driver for the vehicle. A horizon unit is configured for determining a horizon by means of received position data and map data of an itinerary made up of route segments with at least one characteristic for each segment. A processor unit is configured for calculating vacross the horizon according to rules pertaining to categories in which segments within the horizon are placed, so that vis within a range bounded by v, and v, where v&#x2266;v&#x2266;v. The processor unit is further configured for determining a control signal with control parameters for the vehicle's automatic gear change control unit, based on one or more vehicle-specific values and a calculated speed set-point value v.

Module for determining set-point values for control systems in a vehicle

A module for determination of speed set-point values vfor a vehicle's control systems, comprising an input unit adapted to input, e.g., by the vehicle's driver, of a reference speed vwhich is the speed desired by the driver for the vehicle. The module includes a horizon unit to determine a horizon by means of received position data and map data of an itinerary made up of route segments with at least one characteristic for each segment; a processor unit to calculate vfor the vehicle's control systems across the horizon according to rules pertaining to categories in which segments within the horizon are placed, so that vis within a range bounded by vand v, where v&#x2266;v&#x2266;V, which control system regulates the vehicle according to these set-point values.

Module for determining of reference values for a vehicle control system

A method for regulating a vehicle's speed including the steps of: determining a horizon by means of position data and map data of an itinerary made up of route segments with length and gradient characteristics for each segment; calculating threshold values for the gradient of segments according to one or more vehicle-specific values, which threshold values serve as boundaries for assigning segments to various categories; comparing the gradient of each segment with the threshold values and placing each segment within the horizon in a category according to the results of the comparisons; and, for each segment within the horizon which is in a category indicating a steep upgrade or a steep downgrade, calculating the vehicle's final speed vafter the end of the segment, based inter alia on the entry speed vto the segment; and determining the entry speed vfor said segment based on the calculated final speed vend for the segment, which determination is defined by rules for said segment's category, so that the vehicle's final speed vis within the range defined by vand vfor the vehicle's current reference speed v, on the supposition that vis determined within the same range; and regulating the vehicle's speed according to speed set-point values vbased on the entry speeds vto each segment.

Method and module for controlling a velocity of a vehicle

A method for determining set-point values for a vehicle's control systems having 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 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 the 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; regulating the vehicle according to the set-point values. Also a module adapted to determining set-point values for a control system in the vehicle.

Method and module for determining of reference values for a vehicle control system

A method for determining speed set-point values vfor a vehicle's control systems including determining a horizon from 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 the characteristic of segments according to one or more vehicle-specific values, which threshold values serve as boundaries for assigning segments to various categories; comparing the characteristic of each segment with the calculated threshold values and placing each segment within the horizon in a category calculating set-point values for the vehicle's control systems across the horizon according to rules pertaining to the categories. When any characteristic in segments within the horizon indicates a hindrance, calculating the vehicle's retardation determining a start position within the horizon for commencement of retardation according to its calculated retardation in order to achieve a lowering of the set-point speed vto a maximum speed required by the hindrance at the location of the hindrance; adapting the speed set-point values vwithin the horizon according to the start position and retardation of the vehicle and regulating the vehicle's speed according to the speed set-values v. Also a module determines set-point values for a control system in the vehicle.

Method and module for determining of velocity reference values for a vehicle control system

A charge air cooler comprising at least one tubular element with an internal flow duct for leading compressed air between an inlet aperture and an outlet aperture. A medium at a lower temperature than the compressed air is caused to flow in contact with an outside surface of the tubular element cooling the compressed air in the tubular element when the air is led through the flow duct. A movable control element is arranged close to the inlet aperture or the outlet aperture of the flow duct. A control for the control element provides a variable flow of compressed air through the flow duct as the movable control element is placed in various positions.

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Södertälje, Sweden

Henrik Pettersson