Method and system for reducing or eliminating noise generated by the disc brakes of a motor-vehicle

A motor-vehicle braking system, comprising:

• a plurality of disc brakes associated with respective motor-vehicle wheels, and each including a fluid actuator for actuating the disc brake, and
• an electronic controller to control an activation and a supply pressure of said fluid actuators,
• at least one sensor associated with each disc brake, said at least one sensor being configured for detecting a parameter indicative of a degree of noise generated by the disc brake,
• an electronic controller configured to receive output signals from the at least one sensor associated with each motor-vehicle disc brakes, and to activate a noise attenuation function when a value of the parameter detected on a basis of a signal emitted by at least one of said at least one sensor exceeds a predetermined threshold value,
• said electronic controller being configured to activate a first type of the noise attenuation function if the exceeding of the predetermined threshold value is detected during braking of the motor-vehicle, and a second type of the noise attenuation function if the exceeding of the predetermined threshold value is detected while the motor-vehicle is moving, when the motor-vehicle is not braking,
• wherein the noise attenuation function of the first type includes reducing an actuating pressure of the fluid actuator associated with the or each disc brake for which exceeding of said predetermined threshold value is detected,
• wherein the noise attenuation function of the second type includes temporarily activating, while the motor-vehicle is running and not braking the fluid actuator associated with the or each disc brake for which said predetermined threshold value is exceeded.