公开(公告)号：US20240383510A1

公开(公告)日：2024-11-21

申请号：US18694049

申请日：2022-08-30

Applicant: Siemens Mobility GmbH

Inventor： Minyi Yu ,  Werner Breuer ,  Steffen Jennek ,  Martin Jung

IPC: B61L15/00 ,  B60L3/10

Abstract: A method for measuring a parameter relevant to a journey of a rail vehicle. A parameter measurement value is determined using a control loop. A vehicle-side torque acting on a rotational part on the vehicle side is ascertained. A calculation module uses the vehicle-side torque value and a frictional engagement torque acting between the rotational part and a rail, to calculate a rotational acceleration of the rotational part and an expected rotational speed. A difference between the rotational estimated value and an actual rotational speed is supplied to a control device which outputs a controller output value at the output side. A frictional engagement torque value is recalculated with the controller output value and is coupled back into the computer module to close the control loop. The controller output and/or the recalculated frictional engagement torque value is considered the parameter measurement value, which is stored or output.

公开(公告)号：US20240391447A1

公开(公告)日：2024-11-28

申请号：US18694051

申请日：2022-08-30

Applicant: Siemens Mobility GmbH

Inventor： Steffen Jennek ,  Werner Breuer ,  Minyi Yu ,  Alexander Meierhofer ,  Klaus Six ,  Gerald Trummer

IPC: B60T17/22 ,  B60T8/17 ,  B60T8/172

Abstract: A method for determining at least one braking-behavior-relevant parameter relevant to the open-loop or closed-loop control of a braking system (210) of a rail vehicle (200). A physical model (PHYSM) is used in determining the at least one braking-behavior-relevant parameter, the physical model taking into account the influence of a wheel (10) which leads a wheel (20) to be braked (20), specifically with respect to an influence effect which the leading wheel (10) has on the traction between the trailing wheel (20) to be braked and the rail (30).