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). The first ECU (6) is further configured to receive the second wheel speed data from the second ASIC (5) via a data link (13) between the first ECU (6) and the second ASIC (5), and the second ECU (7) is further configured to receive the first wheel speed data from the first ASIC (4) via a data link (14) between the second ECU (7) and the first ASIC (4). The present disclosure further relates to a vehicle including said wheel speed sensor system and to a method of processing wheel speed signals.

An aircraft includes a brake lever for receiving a pilot braking input as a lever travel of the brake lever, a braking wheel operatively coupled with the brake lever to brake the aircraft based on the lever travel, a brake actuator operatively coupled with the braking wheel to apply a braking force in response to a braking pressure provided to the brake actuator, and a brake pressure circuit. The brake pressure circuit is configured for: estimating a maximum braking pressure above which the braking wheel will skid with respect to a ground surface; scaling a lever gain of the brake lever to command the maximum braking pressure at a full travel of the brake lever such that a remaining brake lever travel indicates the amount of braking capability remaining for the aircraft; and braking the braking wheel based on the lever gain and the lever travel.

Monitoring the brake performance of a brake system of a machine (vehicle 11) by determining a brake delay between input of a request for a brake engagement of the brake system and brake system effectuating the brake engagement. The brake delay determination provides for capturing delay produced by communication of the input from a brake input, actuation of an input to brake system performance, processing of operation of the brake system, and operation of the brake/retardation components of the brake system with respect to the machine's wheels. For autonomous machines, brake delay may be measured periodically and used in monitoring brake system performance.

An apparatus and method is disclosed for determining a temperature characteristic at a first location on a wheel or a brake assembly of an aircraft landing gear. The temperature characteristic at the first location is determined using relationship information based on a first temperature at a second location of the wheel or the brake assembly of the landing gear, the relationship information representing a relationship between the temperature characteristic at the first location and the first temperature. Also disclosed is a method to determine the relationship information.

A control device may be configured for responding to failure for ensuring the stability of a vehicle by switching from a two-wheel-drive mode to a four-wheel-drive mode when detecting failure of the brake system in a two-wheel-drive mode.

A vehicle control system configured to control a braking operation of a hitch ball to a coupler on a trailer. The system may comprise a vehicle brake control system, a maneuvering system, an image sensor configured to capture an image data, and a velocity sensor. The system may also comprise a vehicle mass sensor configured to detect a vehicle mass and a controller. The controller may be configured to control the maneuvering system of the vehicle along a vehicle path. The controller may also identify a coupler distance based on the image data depicting a coupler of the trailer. The controller may also calculate a stopping distance for the braking operation based on a plurality of braking parameters, wherein the braking parameters comprise the velocity, the brake pressure, and the vehicle mass.

A brake system includes an electromechanical brake having a friction surface, a lining support, an electric motor for moving the lining support, a spring acting on the lining support, and a control and monitoring unit. A control and monitoring unit ascertains from at least one first value ascertained during a first movement of the lining support by the electric motor, an operating behavior value for a real operating behavior of an operating parameter of the relevant brake, and ascertains, by a comparison of the at least one real operating behavior value to at least one stored operating behavior expectation, a correction factor. The brake control system corrects by the one correction factor and activates a regulator of the electric motor using the corrected brake control signal. The control and monitoring unit is performs a calibration by a spring force of the at least one spring during the first movement.

A braking control system and method for a vehicle are configured to calculate a braking force of front and rear wheels using a wheel slip ratio of the front and rear wheels and a road surface friction coefficient and then accurately estimate and calculate a disk temperature of the front and rear wheels using a predetermined estimation formula from the calculated braking force, and control distribution of braking pressure to the front wheels and the rear wheels so as to uniformly wear brake pads based on the calculated temperatures of the disks.

A method for detecting a fault within a brake mechanism on an aircraft is disclosed. In various embodiments, the method includes activating, by a brake control unit, the brake mechanism; receiving, by the brake control unit, a wheel speed data for a wheel associated with the brake mechanism; determining, by the brake control unit, a wheel speed characteristic for the wheel associated with the brake mechanism; and detecting, by the brake control unit, whether the brake mechanism is faulty based on a comparison of the wheel speed characteristic and a wheel speed deceleration database.

An electro-pneumatic central pressure control module, having at least two channels, implemented as a structural unit for an electro-pneumatic service brake of a vehicle, having at least two pressure control channels which are electrically controllable with regard to a brake pressure. A central electronic brake control device has a board, carrying electrical and electronic components, in which routines at least for controlling the brake pressure and for controlling the driving dynamics are implemented in the electrical and electronic components. At least one inertial sensor is arranged on or at the at least one board and is electrically conductively connected to at least several of the electrical and electronic components on the board so that the output signals of the at least one inertial sensor are integrated into the at least several electrical and electronic components for carrying out the control of the driving dynamics.