A method for adjusting the clearance of an electromechanical brake, in particular of a utility vehicle brake, involves the following steps: activating a clearance test cycle for the brake, applying at least one brake lining of the brake in the direction of a brake disc and determining a contact position in which the brake lining enters into contact with the brake disc when application occurs, determining the clearance as well the degree of wear of the lining on the basis of the determined contact position, calculating the clearance which is necessary for the brake and a necessary contact position of the brake lining and brake disc in accordance with the degree of wear of the lining using predefined parameters. The method is performed by a suitable brake and a control device.

A method of operating a mechanically operated brake having an electric motor for operating an adjuster mechanism that may include the steps of: a) providing a brake rotor and friction material for selective engagement with the brake rotor, b) providing a target running clearance between the brake rotor and the friction material, c) applying the brake by forcing the friction material into engagement with the brake rotor, d) determining that the friction material is set in a compressed condition, e) releasing the brake, f) operating the electric motor to operate the adjuster mechanism to adjust the instantaneous running clearance towards the target running clearance, g) then applying the brake.

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.

Proposed is a method for setting a clearance of a disc brake for a motor vehicle, wherein the disc brake includes a brake caliper, a brake piston, a brake disc, brake pads, at least one drive unit, which is assigned to a brake pad and by which a restoring force can be applied to the assigned brake pad, and at least one sensor, which is assigned to the at least one brake pad coupled to the drive unit, wherein the method comprises determining a physical value of the brake pad, comparing the physical value with an assigned predefined limit value or a predefined limit-value range, and, if necessary the brake pad is adjusted by an assigned drive unit. Also proposed is a brake pad and a service brake for a motor vehicle.

Disclosed herein is a brake apparatus that may include a rotating member, a friction member that applies a frictional force to the rotating member, a motor that moves the friction member, and a controller that controls operation of the motor. The controller may determine a reference position based on a position of the friction member at a time point at which the friction member is no more in contact with the rotating member when the brake is released and control movement of the friction member from the reference position to adjust a distance between the friction member and the rotating member based on an estimated temperature of the rotating member when the brake is released.

In particular, the invention relates to an electromechanical brake, a machine, a wear readjustment device and a method or procedure, whereby the electromechanical brake comprises an actuator, a transmission unit, a brake lining and a friction surface, the actuator which is moving in a limited actuator actuation range, the actuator which is executing a lining stroke over at least a portion of its actuator actuation range via the transmission unit, whereby the transmission unit has a non-linearity, i.e. a transference ratio which is not constant over at least part of the actuator operating range, and whereby the transference ratio of the transmission unit is selected and/or configured in such a way that at least two subsections with differently acting non-linearities are formed along the actuator operating range.

A wheel brake for a motor vehicle which can be operated electromechanically and/or hydraulically. The wheel brake includes a brake caliper module having at least one electromechanically operable braking device and having at least one hydraulically operable braking device.

A motor control device includes a torque command calculation unit that calculates a torque command value, a current command calculation unit that calculates a current command value, a power converter, and a stop position adjuster. The stop position adjuster executes a stop position adjustment process that adjusts the rotation stop position within a specified position adjustment range when a lock current is applied while the rotation of the multiphase motor is stopped, except in cases where specified exemption requirement is met. In a stop position adjustment process, the stop position adjuster adjusts the rotation stop position so as to reduce a current absolute value of a maximum current phase having a maximum current absolute value among the phases. The torque command calculation unit or the current command calculation unit calculates a torque command value or a current command value reflecting an adjusted rotation stop position.

An electromechanical braking system with wear compensation and a vehicle. The electromechanical braking system includes a caliper body, two friction plates, a gain bridge, a stud, and a drive apparatus, the gain bridge, one friction plate, the other friction plate, and the stud are arranged sequentially, the gain bridge is configured to movably connect the caliper body and the one friction plate, and the stud is configured to drivingly connect the caliper body and the other friction plate; the drive apparatus is configured to: drive the gain bridge and the one friction plate, and drive the stud and the other friction plate; and the drive apparatus is further configured to drive, through a unidirectional torque limiting apparatus, the stud to rotate relative to the caliper body along an axis of the stud. The embodiments improve reliability of the electromechanical braking system.

A motor control device includes a torque command calculation unit that calculates a torque command value, a current command calculation unit that calculates a current command value, a power converter, and a stop position adjuster. The stop position adjuster executes a stop position adjustment process that adjusts the rotation stop position within a specified position adjustment range when a lock current is applied while the rotation of the multiphase motor is stopped, except in cases where specified exemption requirement is met. In the stop position adjustment process, the stop position adjuster adjusts the rotation stop position so as to bias the current to one or more high heat dissipation phases having a relatively high heat dissipation property among the phases. The torque command calculation unit or the current command calculation unit calculates a torque command value or a current command value reflecting an adjusted rotation stop position.