Brake system, method for operating same
The disclosure relates to a brake system of a motor vehicle having at least one parking brake which can be activated, having a plurality of means for operating the parking brake and having at least one control device which has at least one of the means, characterized in that at least one further control device has at least another of the means.
1. A brake system of a motor vehicle, comprising:
at least one parking brake configured to be activated;
a first control device electrically connected directly to the at least one parking brake by a first electrical connection and configured to operate the at least one parking brake by way of the first electrical connection;
a second control device separate from the first control device, electrically connected directly to the at least one parking brake by a second electrical connection, and configured to operate the at least one parking brake by way of the second electrical connection; and
a virtual host including the first control device and the second control device, the virtual host configured to carry out and to coordinate methods for operating the at least one parking brake via the first control device and the second control device,
wherein one of the first control device and the second control device is configured as a power module,
wherein the power module is arranged in a region of the at least one parking brake,
wherein the power module is configured to operate an electric-motor-powered drive of the at least one parking brake,
wherein the virtual host is electrically connected to a human-machine interface, a brake light controller, a brake activation monitor, a diagnostic system, and a surrounding sensor system, and
wherein the virtual host enables the first control device and the second control device to communicate electronically with the human-machine interface, the brake light controller, the brake activation monitor, the diagnostic system, and the surrounding sensor system.
2. The brake system according to claim 1 , wherein:
the first control device includes a first processor,
the second control device includes a second processor, and
the first and second processors are configured to enable the first and second control devices to communicate with each other via the virtual host.
3. The brake system according to claim 1 , wherein one of the first control device and the second control device is further configured as an electronic stability program control device.
4. The brake system according to claim 1 , wherein:
the second control device is configured as a reserve control device, and
the reserve control device takes over a function of the first control device in response to a failure of the first control device.
5. The brake system according to claim 1 , wherein one of the first control device and the second control device is configured as a brake boosting control device.
6. The brake system according to claim 1 , wherein:
the first control device is configured to control a first function of the at least one parking brake,
the second control device is configured to control a second function of the at least one parking brake, and
the first function is different from the second function.