Controller system and control method
View Patent ↗This application relates to the field of intelligent vehicle technologies in the field of artificial intelligence technologies, and in particular, to a controller system. The controller system includes: an intelligent driving domain control unit; a human-machine interaction domain control unit; and a sensor interface unit that is connected to the intelligent driving domain control unit and the human-machine interaction domain control unit. The sensor interface unit is connected to a sensor, and transmit data of the sensor to the intelligent driving domain control unit and the human-machine interaction domain control unit. In this application, external cable connections can be simplified, occupation of data stream transfer resources can be reduced, and power consumption of a vehicle can be reduced.
1 . A controller system, comprising:
an intelligent driving domain control unit;
a human-machine interaction domain control unit; and
a sensor interface unit, connected to the intelligent driving domain control unit and the human-machine interaction domain control unit respectively through two groups of interfaces, wherein the sensor interface unit is connected to a sensor and configured to transmit data of the sensor to the intelligent driving domain control unit and the human-machine interaction domain control unit,
wherein a speed at which the intelligent driving domain control unit performs initialization is lower than a speed at which the human-machine interaction domain control unit performs initialization.
2 . The system according to claim 1 , wherein a signal transmitted by each group of interfaces of the two groups of interfaces comprises at least one of a synchronization signal, a control signal, or a video data stream signal; and
wherein the synchronization signal is used as a trigger signal of the sensor or a frame rate control signal of the sensor for video capture, and wherein the control signal is used for configuration of the sensor or data reading.
3 . The system according to claim 2 , wherein
the sensor interface unit selects one of the intelligent driving domain control unit or the human-machine interaction domain control unit that is connected to the sensor interface unit to transmit at least one of the synchronization signal or the control signal.
4 . The system according to claim 3 , wherein the selection is based on at least one of the following factors:
priorities or safety levels of the intelligent driving domain control unit, priorities or safety levels of the human-machine interaction domain control unit, a running mode of the controller system, or a running status of the controller system.
5 . The system according to claim 3 , wherein the synchronization signal transmitted by the intelligent driving domain control unit is time-synchronized with the synchronization signal transmitted by the human-machine interaction domain control unit.
6 . The system according to claim 1 , further comprising at least one of:
a first display interface unit connected to the intelligent driving domain control unit, wherein the first display interface unit is connected to an instrument display unit; or
a second display interface unit connected to the human-machine interaction domain control unit, wherein the second display interface unit is connected to a display screen.
7 . The system according to claim 1 , further comprising:
a network switching unit connected to the intelligent driving domain control unit and the human-machine interaction domain control unit.
8 . The system according to claim 7 , further comprising: a third domain control unit connected to the network switching unit, wherein the third domain control unit is connected to one of: a chassis system control unit, a power system control unit, or a vehicle body system control unit; and wherein the third domain control unit is configured to:
collect information from a connected control unit; and
send the collected information to the intelligent driving domain control unit by using the network switching unit.
9 . The system according to claim 7 , wherein the network switching unit is further configured to connect to at least one of:
a laser radar sensor, a millimeter-wave radar sensor, an event data recorder, an internet of vehicles communication box, or an in-vehicle recorder.
10 . The system according to claim 8 , wherein
the intelligent driving domain control unit is configured to implement an assisted driving or autonomous driving function, some functions of vehicle control, or some functions of vehicle body control;
wherein the third domain control unit is configured to implement a chassis system control function, a power system control function, other functions of the vehicle control, or other functions of the vehicle body control; and
wherein the human-machine interaction domain control unit is configured to implement an entertainment domain application function or a human-machine user interface function.
11 . The system according to claim 1 , wherein:
the sensor interface unit is configured to receive data of the sensor;
wherein the human-machine interaction domain control unit is further configured perform human proximity detection or intrusion detection based on the data of the sensor, and send the data of the sensor to an in-vehicle recorder by using a network switching unit.
12 . The system according to claim 11 , wherein the human-machine interaction domain control unit is further configured to:
generate alert data when an exception is detected; and
send the alert data to an audio device for playing, or send the alert data to a display screen for displaying.
13 . The system according to claim 1 , wherein:
the sensor interface unit is further configured to receive data of the sensor;
wherein the human-machine interaction domain control unit is further configured to perform image processing based on the data of the sensor, to generate surround view image data, and send the surround view image data to a display screen for displaying.
14 . The system according to claim 1 ,
wherein the human-machine interaction domain control unit is further configured to receive a synchronization signal or a control signal of the human-machine interaction domain control unit through the sensor interface unit, and send the synchronization signal or the control signal to the sensor, to enable a surround view mode;
wherein the intelligent driving domain control unit is further configured to receive a synchronization signal or a control signal of the intelligent driving domain control unit through the sensor interface unit, and send the synchronization signal or the control signal to the sensor, to take over control on the sensor interface unit or the sensor.
15 . A vehicle, comprising:
at least one sensor; and
a controller system, wherein the controller system comprises an intelligent driving domain control unit, a human-machine interaction domain control unit, and a sensor interface unit connected to the at least one sensor; wherein:
the sensor interface unit is connected to the intelligent driving domain control unit and the human-machine interaction domain control unit respectively through two groups of interfaces; and
wherein the sensor interface unit is configured to transmit data of the sensor to the intelligent driving domain control unit and the human-machine interaction domain control unit,
wherein a speed at which the intelligent driving domain control unit performs initialization is lower than a speed at which the human-machine interaction domain control unit performs initialization.
16 . The vehicle according to claim 15 , wherein:
the sensor interface unit is further configured to receive data from a sensor of the at least one sensor;
wherein the human-machine interaction domain control unit is further configured perform human proximity detection or intrusion detection based on the data of the sensor, and send the data of the sensor to an in-vehicle recorder.
17 . The vehicle according to claim 16 , wherein the human-machine interaction domain control unit is further configured to:
generate alert data when an exception is detected; and
send the alert data to an audio device for playing, or send the alert data to a display screen for displaying.
18 . The vehicle according to claim 15 , wherein the at least one sensor comprises a surround view camera, wherein:
the sensor interface unit is further configured to receive data of the surround view camera;
wherein the human-machine interaction domain control unit is further configured to perform image processing based on the data of the surround view camera, to generate surround view image data, and send the surround view image data to a display screen for displaying.
19 . The vehicle according to claim 15 ,
wherein the human-machine interaction domain control unit is further configured to receive a synchronization signal or a control signal of the human-machine interaction domain control unit through the sensor interface unit, and send the synchronization signal or the control signal to the surround view camera, to enable a surround view mode;
wherein the intelligent driving domain control unit is further configured to receive a synchronization signal or a control signal of the intelligent driving domain control unit through the sensor interface unit, and send the synchronization signal or the control signal to the sensor, to take over control on the sensor interface unit or the surround view camera.
20 . The vehicle according to claim 15 , wherein the control system further comprises a third domain control unit and a network switching unit, wherein the third domain control unit is configured to:
collect information from one of: a chassis system control unit, a power system control unit, or a vehicle body system control unit; and
send the collected information to the intelligent driving domain control unit by using the network switching unit.