Abstract: The present disclosure relates to a wheel speed sensor system (1), comprising: one or more first wheel speed sensors (2a, 2b), a first application specific integrated circuit (ASIC) (4) configured to receive one or more first wheel speed signals from the one or more first wheel speed sensors (2a, 2b) and to convert the one or more first wheel speed signals to first wheel speed data, and a first electronic control unit (ECU) (6) configured to receive the first wheel speed data from the first ASIC (4) via a data link (8) between the first ECU (6) and the first ASIC (4); and one or more second wheel speed sensors (3a, 3b), a second ASIC (5) configured to receive one or more second wheel speed signals from the one or more second wheel speed sensors (3a, 3b) and to convert the one or more second wheel speed signals to second wheel speed data, and a second ECU (7) configured to receive the second wheel speed data from the second ASIC (5) via a data link (9) between the second ECU (7) and the second ASIC (5).

Abstract: The invention relates to a floor mounted brake pedal for an electrically controlled vehicle brake, comprising a first pedal lever, a second pedal lever arranged in front of the first pedal lever, a pedal platform having a stepping area and a shaft protruding from the stepping area in a forward direction, a first pedal sensor for detecting a position of the brake pedal, and a second pedal sensor for independently detecting the position of the brake pedal.

Abstract: The present invention relates to a steering system for a vehicle, the steering system comprising a steering unit comprising a steering wheel; a steering-feel unit for generating a steering reaction force when the steering wheel is rotated, the steering-feel unit comprising at least one spring coupled to the steering wheel, and an actuator for changing a spring loading and/or spring stiffness of the at least one spring. The steering system further comprises a position sensor for measuring an angular position of the steering wheel and/or a speed sensor for measuring a vehicle speed; and a control unit for controlling the actuator, the control unit operationally coupled to the actuator and to the position sensor and/or the speed sensor, wherein the actuator is configured to change the spring loading and/or spring stiffness depending on the angular position of the steer-ing wheel and/or the vehicle speed.

Abstract: The invention relates to a brake system including at least one brake with an electric brake actuator, at least one electronic control unit for controlling the at least one electric brake, and two different power supply units connected to the at least one electronic control unit and configured for supplying energy to the at least one electric brake actuator. The at least one electronic control unit comprises a first brake actuation system for activating the electric brake actuator and a redundant brake actuation system for activating the electric brake actuator in case of a failure of the first brake actuation system. The invention also relates to a method for using the brake system.

Abstract: A electric brake system includes a main device that provides a first hydraulic pressure to a plurality of wheel cylinders respectively installed on a plurality of wheels, based on a position of a brake pedal: and art auxiliary device that provides a second hydraulic pressure to first and second wheel cylinders respectively installed on first and second wheels among the plurality of wheels based on the position of the brake pedal in a state in which the main device does not generate the first hydraulic pressure. The auxiliary device receives power from a power network different from that of the main device, and the auxiliary device controls at least one of first and second parking brakes respectively installed on third and fourth wheels among the plurality of wheels. In such an electric brake system, when the main device fails or is out of control, the auxiliary device may auxiliary generate the hydraulic pressure required for braking and may generate braking force using the parking brake.

Abstract: Brake system (1) for a vehicle is provided, comprising a first hydraulic circuit (10) including a first wheel brake (11), a second hydraulic circuit (20) including a second wheel brake (21), a first hydraulic pressure supplier (12) including an actuator for pressurizing the first hydraulic circuit (10) in a normal operating mode, a second hydraulic pressure supplier (22) including an actuator for pressurizing the second hydraulic circuit (20) in the normal operating mode, a cut-off valve (30) hydraulically connecting the first and second hydraulic circuits (10, 20), a first control unit (14) for controlling the cut-off valve (30) and activating the first hydraulic pressure supplier (12) and the second hydraulic pressure supplier (22) depending on a brake request, and a second control unit (24) for controlling the cut-off valve (30) and activating the first hydraulic pressure supplier (12) and the second hydraulic pressure supplier (22) depending on a brake request.

Abstract: The invention relates to a floor mounted brake pedal for an electrically controlled vehicle brake, comprising a first pedal lever, a second pedal lever arranged in front of the first pedal lever, a pedal platform having a stepping area and a shaft protruding from the stepping area in a forward direction, a first pedal sensor for detecting a position of the brake pedal, and a second pedal sensor for independently detecting the position of the brake pedal.

Abstract: The present disclosure relates to a wheel speed sensor system (1), comprising: one or more first wheel speed sensors (2a, 2b), a first application specific integrated circuit (ASIC) (4) configured to receive one or more first wheel speed signals from the one or more first wheel speed sensors (2a, 2b) and to convert the one or more first wheel speed signals to first wheel speed data, and a first electronic control unit (ECU) (6) configured to receive the first wheel speed data from the first ASIC (4) via a data link (8) between the first ECU (6) and the first ASIC (4); and one or more second wheel speed sensors (3a, 3b), a second ASIC (5) configured to receive one or more second wheel speed signals from the one or more second wheel speed sensors (3a, 3b) and to convert the one or more second wheel speed signals to second wheel speed data, and a second ECU (7) configured to receive the second wheel speed data from the second ASIC (5) via a data link (9) between the second ECU (7) and the second ASIC (5).

Abstract: A brake actuation unit (1) having a master brake cylinder (2) and a pressure-medium reservoir (4); a pressure provision device (5), having a piston (51) actuated by an electric motor (35), wherein the piston delimits a pressure chamber (50); first and second groups of electrically actuatable valves (6a-6d, 7a-7d); and an electronic control unit (12, 12?). The electric motor has at least two independently operable drive units, each having at least one winding, for driving the electric motor. The electronic control unit has a first microcontroller (201) and a second microcontroller (301). The first microcontroller controls (205) one of the drive units and the second microcontroller controls (305) the other of the drive units. The first and second microcontrollers control (207, 307) the second group of valves.

Abstract: A brake actuation unit (I) having a master brake cylinder (2) and a pressure-medium reservoir (4); a pressure provision device (5), having a piston (51) actuated by an electric motor (35), wherein the piston delimits a pressure chamber (50); first and second groups of electrically actuatable valves (6a-6d, 7a-7d); and an electronic control unit (12, 12?). The electric motor has at least two independently operable drive units, each having at least one winding, for driving the electric motor. The electronic control unit has a first microcontroller (201) and a second microcontroller (301). The first microcontroller controls (205) one of the drive units and the second microcontroller controls (305) the other of the drive units. The first and second microcontrollers control (207, 307) the second group of valves.

Abstract: The invention specifies a sensor arrangement for a brake system for braking a wheel in a vehicle, which brake system includes a travel sensor for detecting a position of a brake pedal of the brake system, wherein the travel sensor is provided for detecting operation of the brake pedal based on the position of the brake pedal and for outputting a signal which indicates operation of the brake pedal.

Abstract: A method for monitoring a brake system for motor vehicles. The system can be actuated both by a vehicle driver and independently of the vehicle driver in what is known as a brake-by-wire mode. The hydraulic actuation device can be actuated by means of a brake pedal and has a main brake cylinder to which wheel brakes are connected, at least two brake circuits, a simulation device, which comprises at least one elastic element and gives the vehicle driver a comfortable pedal feeling, an electrically controllable pressure-providing device, which is formed by a cylinder/piston assembly, the piston of which can be actuated by an electromagnetic actuator, wherein the first measurement variable (PDBE) characterizing a position of the piston is detected. The detected measurement value of the first and second measurement variable (SDBE, PDBE) are compared to a predetermined characteristic map of the first and second measurement variables in order to monitor a functional status of the brake system.

Abstract: The invention specifies a sensor arrangement for a brake system for braking a wheel in a vehicle, which brake system includes a travel sensor for detecting a position of a brake pedal of the brake system, wherein the travel sensor is provided for detecting operation of the brake pedal based on the position of the brake pedal and for outputting a signal which indicates operation of the brake pedal.

Abstract: A method for monitoring a brake system for motor vehicles. The system can be actuated both by a vehicle driver and independently of the vehicle driver in what is known as a brake-by-wire mode. The hydraulic actuation device can be actuated by means of a brake pedal and has a main brake cylinder to which wheel brakes are connected, at least two brake circuits, a simulation device, which comprises at least one elastic element and gives the vehicle driver a comfortable pedal feeling, an electrically controllable pressure-providing device, which is formed by a cylinder/piston assembly, the piston of which can be actuated by an electromagnetic actuator, wherein the first measurement variable (PDBE) characterizing a position of the piston is detected. The detected measurement value of the first and second measurement variable (SDBE, PDBE) are compared to a predetermined characteristic map of the first and second measurement variables in order to monitor a functional status of the brake system.

Abstract: The present invention relates to a device in an electronic driving dynamics control system, comprising an electromechanic transducer, especially an electric motor, a hydraulic pump, and an electric actuating unit for the transducer, said transducer including a magnetic or magnetizable stator and a rotor, as well as connections for connecting the actuating unit, and a commutation device for the actuation of electromagnetic windings of the rotor, said invention inhering the special feature that the commutation device comprises three or more commutating elements that are electrically connected to the respective connections so that the windings of the rotor can be actuated individually by the actuating unit, with at least one commutating element being connected to a change-over element that provides for an additional connection for connecting a rotational speed measurement devices.

Abstract: The present invention relates to a device in an electronic driving dynamics control system, comprising an electromechanic transducer, especially an electric motor, a hydraulic pump (17), and an electric actuating unit (4,5,16) for the transducer, said transducer including a magnetic or magnetizable stator (10) and a rotor (11), as well as connections (6 . . . 9) for connecting the actuating unit, and a commutation device (2,12 . . . 15) for the actuation of electromagnetic windings of the rotor, said invention inhering the special feature that the commutation device comprises three or more commutating elements (12 . . . 15) that are electrically connected to the respective connections so that the windings of the rotor can be actuated individually by the actuating unit (4,5,16), with at least one commutating element being connected to a change-over element (5) that provides for an additional connection (21) for connecting a rotational speed measurement device (4).