“By-wire” operating system of a motor vehicle and method for operating such an operating system
The present disclosure relates to a method for operating an operating system ( 1.1, 1.2, 1.3 ) of a motor vehicle, in which a control command (M 1 ) for controlling the motor vehicle is specified via a control element ( 3.1, 3.2, 3.3 ), the control command (M 1 ) specified via the control element ( 3.1, 3.2, 3.3 ) is sensorially acquired and passed on from an electronic control unit ( 4 ) to an electromechanical actuator unit ( 5.1, 5.2, 5.3 ) as a control signal, wherein the actuator unit ( 5.1, 5.2, 5.3 ) implements the control command (M 1 ) according to the control signal. The operating system ( 1.1, 1.2, 1.3 ) is monitored here for an occurrence of a deviation from a target behaviour of the actuator unit ( 5.1, 5.2, 5.3 ), wherein tactile feedback is applied to the control element ( 3.1, 3.2, 3.3 ) if a deviation is detected.
1. A method for operating an operating system of a motor vehicle, comprising:
specifying a control command (M 1 ) for controlling the motor vehicle via a control element;
wherein the control command (M 1 ) specified via the control element is sensorially acquired and passed on from an electronic control unit to an electromechanical actuator unit as a control signal (S 2 );
wherein the actuator unit implements the control command (M 1 ) according to the control signal (S 2 );
wherein the operating system is monitored for an occurrence of a deviation from a target behavior of the actuator unit, and if a deviation is detected, tactile feedback (FB 1 ) is applied to the control element;
wherein a degree of wear of the actuator unit is monitored by monitoring the deviation from the target behavior.
2. The method of claim 1 , wherein if a deviation from the target behavior is detected, a feedback signal (S 3 ) is generated, wherein the tactile feedback (FB 1 ) is generated based on the feedback signal (S 3 ).
3. The method of claim 2 , wherein a degree of a deviation from the target behavior is acquired.
4. The method of claim 3 , wherein the feedback signal (S 3 ) is generated in dependence on the acquired degree of the target value deviation.
5. The method of claim 4 , wherein the tactile feedback (FB 1 ) is generated more intensely the higher the acquired degree of the deviation from the target behavior is.
6. The method of claim 1 , wherein the operating system is a brake-by-wire system having a brake pedal as the control element and a brake actuator unit as the electromechanical actuator unit.
7. An operating system for a motor vehicle comprising:
a control element, configured to specify a control command (M 1 ) for controlling a motor vehicle as control information upon actuation;
a sensor unit, configured to acquire the control information specified by the control element;
a control unit, configured to provide a control signal (S 2 ) for activating an electromechanical actuator unit based on the acquired control information to implement the control command (M 1 ),
an electromechanical actuator unit, configured to implement the control command (M 1 ) according to the provided control signal (S 2 ); and
a feedback actuator, configured to apply tactile feedback (FB 1 ) to the control element, wherein the operating system is configured to be operated according to the method of claim 1 .
8. The operating system of claim 7 , wherein the operating system is a drive-by-wire system.
9. The operating system of claim 7 , wherein the operating system is a brake-by-wire system having a brake pedal as the control element and a brake actuator unit as the electromechanical actuator unit; or that the operating system is an electronic power control system having a gas pedal as the control element and a drive actuator unit as the electromechanical actuator unit; or that the operating system is a steer-by-wire steering system having a steering handle as the control element and a steering actuator as the electromechanical actuator unit.
10. The method of claim 1 , wherein the deviation from the target behavior results from the actuator unit operating more sluggishly as a result of the degree of wear of the actuator unit.
11. The method of claim 1 , wherein the deviation from the target behavior results from increased play of the actuator unit as a result of the degree of wear of the actuator unit.
12. The method of claim 1 , wherein the deviation from the target behavior results from dropouts occurring in operation of the actuator unit as a result of the degree of wear of the actuator unit.
13. The method of claim 1 , wherein the deviation from the target behavior results from a delayed response behavior of the actuator unit as a result of the degree of wear of the actuator unit.
14. The method of claim 1 , wherein the deviation from the target behavior results from an increase of an internal friction of the actuator unit as a result of the degree of wear of the actuator unit.
15. The method of claim 1 , wherein the operating system is an electronic power control system having a gas pedal as the control element and a drive actuator unit as the electromechanical actuator unit.
16. The method of claim 1 , wherein the operating system is a steer-by-wire steering system having a steering handle as the control element and a steering actuator as the electromechanical actuator unit.
17. A method for operating an operating system of a motor vehicle, comprising:
specifying a control command (M 1 ) for controlling the motor vehicle via a control element;
wherein the control command (M 1 ) specified via the control element is sensorially acquired and passed on from an electronic control unit to an electromechanical actuator unit as a control signal (S 2 );
wherein the actuator unit implements the control command (M 1 ) according to the control signal (S 2 );
wherein the operating system is monitored for an occurrence of a deviation from a target behavior of the actuator unit, and if a deviation is detected, tactile feedback (FB 1 ) is applied to the control element;
wherein a material aging of the actuator unit is monitored by monitoring the deviation from the target behavior.