A brake wear sensing assembly for an air disc brake includes a progressive wear sensor, at least one lining wear sensor, a control device, a wire harness connected to the control device and an adapter for joining the progressive wear sensor and the lining wear sensor to the wire harness. The adapter connects a power line to the progressive wear sensor, a ground line to the progressive wear sensor and an input to the output of the at least one lining wear sensor. An output signal from the progressive wear sensor is connected to the input of the at least one lining wear sensor. The signal from the progressive wear sensor passes through the at least one lining wear sensor to the control device such that the progressive wear sensor and the at least one lining wear sensor are in series with each other.

A method is disclosed for determining wear values on at least a first and a second vehicle brake of a motor vehicle. The first and second vehicle brakes are assigned to a first or second vehicle wheel of a same first wheel axle. The first vehicle brake has an actuator piston which presses a friction lining against a brake disc mounted such that it rotates in an actuating position, and an electromechanical actuator unit.

Disclosed herein is a brake pad wear monitoring system including a brake pedal sensor configured to detect the displacement of a brake pedal, a wheel speed sensor configured to detect each wheel speed of a vehicle, a pressure sensor configured to detect the braking pressure of the vehicle, and a controller electrically connected to the wheel speed sensor and the pressure sensor, wherein, when the braking pressure detected through the pressure sensor is higher than a preset pressure during braking of the vehicle, the controller calculates each of an expected stopping distance and an actual stopping distance of the vehicle according to the detected each wheel speed, and based on the expected stopping distance, the actual stopping distance, and the displacement of the brake pedal, the controller determines the wear of a brake pad.

The invention discloses a wear monitoring system for a brake device of a motor. The brake device includes a brake disc and a brake magnet movable relative to the brake disc. The wear monitoring system includes a first arm portion including a first free end and arranged to be moved with the brake magnet so that the first free end always contacts the bottom of the brake magnet, a second arm portion arranged to be moved with the first arm portion and including a second free end; and a trigger device including a trigger button that is triggered by the second free end of the second arm portion when the wear amount of the brake magnet reaches a first threshold or a multiple of the first threshold and when the brake magnet and the brake disc are in an attracted state. A motor and an elevator are also disclosed.

A caliper guide assembly for a heavy vehicle disc brake. The caliper guide assembly may include a wear sensor arranged to detect the position of a guide pin in relation to a guide bore. The guide pin and a guide surface may have different cross sectional profiles to define at least one void therebetween. The wear sensor may be at least partially accommodated within the void.

A method in which at least one piezoceramic sensor, which converts every mechanical force to which it is subjected into an electrical signal and having a Curie temperature higher than 200° C., is solidarized directly onto the surface of a metal support element of a vehicle braking element, which during use faces a vehicle element to be braked. While in contact with such a surface, an electrical circuit is implemented that picks up and eventually processes the electrical signal, the electrical circuit being connected with a connector integrated with the metal support element. An electrically insulating layer sandwiches the at least one piezoceramic sensor and the electrical circuit, and a block of friction material with an underlying damping layer is formed upon the electrically insulating layer. After forming the block of friction material, the piezoceramic sensor is polarized by applying a predetermined potential difference thereto by means of the connector.

A brake pad state estimation device estimates a brake pad state including at least one of a wear volume and a temperature of a brake pad of a vehicle. The brake pad state estimation device performs: a brake pad state calculation process calculating the brake pad state based on sensor detection information during braking; and an information output process storing the brake pad state information in a storage and/or transmitting the brake pad state information to the outside. The brake pad state estimation device variably sets a processing frequency of at least one of the brake pad state calculation process and the information output process. The processing frequency when a vehicle speed is lower is lower than the processing frequency when the vehicle speed is higher, or the processing frequency when a brake pressure is lower is lower than the processing frequency when the brake pressure is higher.

A system including a magnet configured to move in response to a movement of a wear pin indicator of a brake assembly of a vehicle. A sensor is configured to generate position data corresponding to the magnet. The position data is indicative of a position and/or movement of the wear pin indicator. The system includes a thermoelectric generator configured to generate an electrical signal based on an operation of the brake assembly. The thermoelectric generator is configured to deliver at least a portion of the electrical signal to the sensor. The system includes a mounting bracket configured to mechanically couple a sensor housing to an actuator housing of the brake assembly. The mounting bracket is configured to provide heat to the thermoelectric generator when the mounting bracket mechanically couples the sensor housing and the actuator housing.

Provided is an electromechanical brake system comprising an actuator of an electromechanical brake operated by a motor, the electromechanical brake system including: a motor driving unit configured to drive the motor; and a control unit configured to be electrically connected to the motor driving unit, wherein the control unit is configured to: calculate a first rotation angle of a spindle in a brake apply mode of the electromechanical brake, calculate a second rotation angle of the spindle in a braking release mode of the electromechanical brake, and when a difference between the calculated first rotation angle and the calculated second rotation angle exists, control a notification device to notify a wear state of a brake pad.

A braking system for a vehicle includes a processing circuit, a pad position detector, a pressure sensor, a pad positioner and a pressure combiner. The pressure sensor and the pad positioner are adapted to determine a thickness of a friction material of a pad of the braking system. The pad position detector is adapted to detect the position between the pad and a rotor of the braking system. The pad positioner and the pressure combiner are adapted to determine a desired position between the pad and the rotor to provide a desired braking response time and a desired amount of drag.