US 12,459,368 B2
Braking arrangement for heavy duty vehicles
Ulf Stenbratt, Vallda (SE); Leo Laine, Härryda Västra Götaland (SE); and Hamid Yhr, Gråbo (SE)
Assigned to VOLVO TRUCK CORPORATION, Gothenburg (SE)
Appl. No. 18/038,769
Filed by Volvo Truck Corporation, Gothenburg (SE)
PCT Filed Dec. 1, 2020, PCT No. PCT/EP2020/084076
§ 371(c)(1), (2) Date May 25, 2023,
PCT Pub. No. WO2022/117176, PCT Pub. Date Jun. 9, 2022.
Prior Publication US 2024/0017623 A1, Jan. 18, 2024
Int. Cl. B60L 7/22 (2006.01); B60K 7/00 (2006.01); B60L 7/08 (2006.01); B60L 7/18 (2006.01); B60L 7/28 (2006.01); B60L 58/15 (2019.01); B60T 8/172 (2006.01); B60T 8/1761 (2006.01); H02P 3/14 (2006.01); H02K 49/04 (2006.01)
CPC B60L 7/22 (2013.01) [B60K 7/0007 (2013.01); B60L 7/08 (2013.01); B60L 7/18 (2013.01); B60L 7/28 (2013.01); B60L 58/15 (2019.02); B60T 8/172 (2013.01); B60T 8/17616 (2013.01); H02P 3/14 (2013.01); B60K 2007/0092 (2013.01); B60L 2240/465 (2013.01); B60T 2270/602 (2013.01); H02K 49/046 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A braking arrangement for decelerating a heavy duty vehicle, the arrangement comprising a control unit, at least one electric machine arranged for regenerative braking, an electrical energy absorption device, an eddy current braking device, and a power distribution network arranged to connect the electric machine to the energy absorption device and to the eddy current braking device, wherein the control unit is configured to distribute regenerated electrical power from the electric machine between the energy absorption device and the eddy current braking device by the power distribution network in dependence of a target deceleration value of the heavy duty vehicle, wherein the control unit is also configured to control the distribution of regenerated electrical power from the electric machine between the energy absorption device and the eddy current braking device in dependence of an energy absorption capability of the energy absorption device, and wherein the control unit is additionally configured to control the distribution of regenerated electrical power from the electric machine between the energy absorption device and the eddy current braking device such that a constant baseline torque level is generated by the eddy current braking device, the torque applied by the electric machine being modulated to control wheel slip at a desired wheel slip level.