Driver braking request sensor, motorized braking apparatus, and method for operating at least one driver braking request sensor together with at least one motorized braking apparatus

A driver braking request sensor for a vehicle, comprising:

• a sensor electronic device configured in such a way that, using the sensor electronic device, at least one sensor variable relating to an actuation of a brake actuation element of the vehicle by its driver can be ascertained and at least one sensor signal corresponding to the at least one sensor variable can be output to at least one motorized braking apparatus of the vehicle;
• and
• a sensor memory unit on which at least one authentication key is stored;
• wherein the sensor electronic device is additionally configured in such a way that, using the sensor electronic device, each of the at least one sensor signal can be output to the at least one motorized braking apparatus as a sensor signal encrypted and/or authenticated with the at least one authentication key.

A motorized braking apparatus for a vehicle for cooperation with at least one driver braking request sensor, the at least one driver braking request sensor including:

• a sensor electronic device configured in such a way that, using the sensor electronic device, at least one sensor variable relating to an actuation of a brake actuation element of the vehicle by its driver can be ascertained and at least one sensor signal corresponding to the at least one sensor variable can be output to the motorized braking apparatus of the vehicle, and
• a sensor memory unit on which at least one authentication key is stored,
• wherein the sensor electronic device is additionally configured in such a way that, using the sensor electronic device, each of the at least one sensor signal can be output to the motorized braking apparatus as a sensor signal encrypted and/or authenticated with the at least one authentication key;
• the motorized braking apparatus comprising:
• a motor control device configured such that a motor of the motorized braking apparatus can be controlled by the motor control device;
• a memory unit on which at least one item of ID information relating to the at least one authentication key stored on the sensor memory unit of the at least one driver braking request sensor is stored;
• wherein the motor control device is configured in such a way that the motor control device can ascertain, taking into account the at least one item of stored ID information, whether each of the at least one signal provided to the motorized braking apparatus is encrypted and/or authenticated with the at least one authentication key, and the motor of the motorized braking apparatus is controlled by the motor control device, taking into account the at least one provided signal, only if the at least one provided signal is encrypted and/or authenticated with the at least one authentication key.

A braking system for a vehicle, comprising:

• at least one driver braking request sensor, including:
• a sensor electronic device configured in such a way that, using the sensor electronic device, at least one sensor variable relating to an actuation of a brake actuation element of the vehicle by its driver can be ascertained and at least one sensor signal corresponding to the at least one sensor variable can be output to at least one motorized braking apparatus of the vehicle, and
• a sensor memory unit on which at least one authentication key is stored,
• wherein the sensor electronic device is additionally configured in such a way that, using the sensor electronic device, each of the at least one sensor signal can be output to the at least one motorized braking apparatus as a sensor signal encrypted and/or authenticated with the at least one authentication key;
• and
• the at least one motorized braking apparatus, including:
• a motor control device configured such that a motor of the motorized braking apparatus can be controlled by the motor control device,
• a memory unit on which at least one item of ID information relating to the at least one authentication key stored on the sensor memory unit of the at least one driver braking request sensor is stored,
• wherein the motor control device is configured in such a way that the motor control device can ascertain, taking into account the at least one item of stored ID information, whether each of the at least one signal provided to the motorized braking apparatus is encrypted and/or authenticated with the at least one authentication key, and the motor of the motorized braking apparatus is controlled by the motor control device, taking into account the at least one provided signal, only if the at least one provided signal is encrypted and/or authenticated with the at least one authentication key.

A method for operating at least one driver braking request sensor together with at least one motorized braking apparatus on and/or in a vehicle, the method comprising the following steps:

• ascertaining at least one sensor variable relating to an actuation of a brake actuation element of the vehicle by a driver of the vehicle by a corresponding sensor electronic device of the at least one driver braking request sensor;
• outputting at least one sensor signal corresponding to the at least one sensor variable by the corresponding sensor electronic device of the at least one driver braking request sensor to the at least one motorized braking apparatus;
• and
• controlling a corresponding motor of the at least one motorized braking apparatus in each case by a motor control device of the same motorized braking apparatus;
• encrypting and/or authenticating the at least one sensor signal by the corresponding sensor electronic device of the at least one driver braking request sensor using at least one authentication key stored on a sensor memory unit of the same driver braking request sensor in such a way that the at least one sensor signal is output to the at least one motorized braking apparatus, in each case as a sensor signal encrypted and/or authenticated with the at least one authentication key;
• ascertaining, by the corresponding motor control device of the at least one motorized braking apparatus, taking into account at least one item of ID information stored on a memory unit of the same motorized braking apparatus relating to the at least one authentication key stored on the corresponding sensor memory unit of the at least one driver braking request sensor, of whether at least one signal provided to the corresponding motorized braking apparatus is encrypted and/or authenticated with the at least one authentication key;
• and
• controlling the corresponding motor of the at least one motorized braking apparatus by the motor control device of the same motorized braking apparatus, taking into account the at least one signal provided to the corresponding motorized braking apparatus, only when the at least one provided signal is encrypted and/or authenticated with the at least one authentication key.