A method for determining a tractor longitudinal force threshold value (I) for a tractor longitudinal deceleration force (II) that can be applied on a tractor (12) of a vehicle combination (10) comprising the tractor (12) and a trailer (14) for decelerating the vehicle combination, the tractor (12) comprising a set of tractor wheels (18), the invention relates to a method for controlling a traction vehicle (12), comprising a set of traction vehicle wheels (18) adapted to engage with the ground supporting said traction vehicle (12), each wheel of said set of traction vehicle wheels (18) comprising a tire, said method comprising:-determining a traction vehicle transverse force value (III) indicative of a traction vehicle transverse force being or expected to be exerted on said traction vehicle (12), determining, for each wheel of at least one subset of the set of tractor wheels (18), a tractor tire transverse force limit value (IV) by taking into account at least one characteristic of the tire using a tire model for determining a tire transverse force limit; -determining a reference lateral force value (V) using said tractor lateral force value (III) and said tractor tire lateral force limit value (IV); -determining a horizontal friction value (VI) indicative of a possible total horizontal friction available between the ground supporting the tractor (12) and the set of tractor wheels (18), and determining the tractor longitudinal force threshold value (I) using the reference transverse force value (V) and the horizontal friction value (VI).
一种用于确定牵引车纵向减速力(II)的牵引车纵向力阈值(I)的方法,该牵引车纵向减速力可被施加在包括牵引车(12)和挂车(14)的车辆组合(10)的所述牵引车(12)上以用于使所述车辆组合减速,所述牵引车(12)包括一组牵引车车轮(18),该组牵引车车轮适于与支撑所述牵引车(12)的地面接合,所述一组牵引车车轮(18)中的每个车轮都包括轮胎,所述方法包括:‑确定牵引车横向力值(III),该牵引车横向力值指示正在或者预计要施加在所述牵引车(12)上的牵引车横向力,‑对于所述一组牵引车车轮(18)中的至少一个子组中的每个车轮,使用用于确定轮胎横向力极限的轮胎模型通过考虑该轮胎的至少一个特性来确定牵引车轮胎横向力极限值(IV);‑使用所述牵引车横向力值(III)和所述牵引车轮胎横向力极限值(IV)来确定参考横向力值(V);‑确定水平摩擦力值(VI),该水平摩擦力值指示支撑所述牵引车(12)的所述地面与所述一组牵引车车轮(18)之间可获取的可能总水平摩擦力,以及使用所述参考横向力值(V)和所述水平摩擦力值(VI)来确定所述牵引车纵向力阈值(I)。
Method for determining longitudinal force threshold value of tractor
用于确定牵引车纵向力阈值的方法
11.02.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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