Apparatuses and methods of an in-vehicle gateway system for monitoring and controling in-vehicle subsystems

• US 10,315,520 B2
• Filed: 04/04/2017
• Issued: 06/11/2019
• Est. Priority Date: 04/04/2017
• Status: Active Grant

• Current Assignee: Southwest University
• Original Assignee: Southwest University
• Inventors: Shu, Kuang-I
• Primary Examiner(s): Kleinman, Lail A
• Application Number:
  US15/478,248
• Publication Number:
  US 20180281598A1
• Time in Patent Office: 798 Days
• Field of Search: None
• CPC Class Codes: B60L 3/0084 relating to control modules
• CPC Class Codes: G05B 19/042 using digital processors G05B19/05 takes precedence
• CPC Class Codes: G05B 19/0428 Safety, monitoring G05B19/0423 takes precedence
• CPC Class Codes: G05B 2219/25083 For each subsystem a configuration
• CPC Class Codes: G05B 2219/2637 Vehicle, car, auto, wheelchair
• CPC Class Codes: G05B 2219/50393 Floor conveyor, AGV automatic guided vehicle
• CPC Class Codes: G05D 1/0011 associated with a remote control arrangement

Abstract

An in-vehicle gateway system for monitoring and controlling a plurality of in-vehicle subsystems is disclosed. The in-vehicle gateway system includes a central controller and the central controller is configured to enable one of the in-vehicle subsystems to use a resource of another in-vehicle subsystem. The central controller is also configured to enable one in-vehicle subsystem to use data from yet another in-vehicle subsystem. The one in-vehicle subsystem may be a newly added in-vehicle subsystem. The in-vehicle gateway system also includes a switch fabric that is configured to interconnect the central controller to the plurality of the in-vehicle subsystems and transmit at least a unified control command to at least one of the in-vehicle subsystems.

Claims

1. An in-vehicle gateway system for monitoring and controlling a plurality of in-vehicle subsystems within a vehicle, comprising:

a central controller configured to;

enable a third in-vehicle subsystem to use a resource of a first in-vehicle subsystem by converting a command from the third in-vehicle subsystem to a unified control command that can be understood by each of the plurality of in-vehicle subsystems, wherein the resource of the first in-vehicle subsystem was originally exclusive to the first in-vehicle subsystems; and

enable the third in-vehicle subsystem to use data from a second in-vehicle subsystem by converting the data to a common data format that can be read by each of the plurality of in-vehicle subsystems, wherein data from the second in-vehicle subsystems was originally exclusive to the second in-vehicle subsystems;

a virtualization module configured to encapsulate the unified control command and data of the second in-vehicle subsystem in the common data format into Ethernet packets to be transmitted;

a switch fabric configured to;

interconnect the central controller to the plurality of the in-vehicle subsystems; and

transmit at least the encapsulated unified control command from the third in-vehicle subsystem to the first in-vehicle subsystem and encapsulated data of the second in-vehicle subsystem in the common data format from the second in-vehicle subsystem to the third in-vehicle subsystem.

2. The in-vehicle gateway system of claim 1, further comprising a plurality of optional external connectors to support an addition of a new in-vehicle subsystem, wherein the third in-vehicle subsystem is a newly added in-vehicle subsystem.

3. The in-vehicle gateway system of claim 1, wherein the central controller is configured to:

generate and issue the unified control command for monitoring or controlling at least one of the in-vehicle subsystems, wherein the unified control command comprises a control command structure common to the plurality of the in-vehicle subsystems; and

filter, fusion and combine a plurality of types of pre-processed data or post-processed data from the plurality of in-vehicle subsystems, including data from multiple sensors.

4. The in-vehicle gateway system of claim 1, wherein one of the plurality of the in-vehicle subsystems comprises a set of associated in-vehicle devices and an interface between the central controller and the set of associated in-vehicle devices and wherein the plurality of the in-vehicle subsystems comprise a networking subsystem, an infotainment subsystem, an advanced driver assistance system (ADAS), a navigation subsystem, an Internet of Thing (IoT) and sensor gateway subsystem, a communication and security subsystem, an information technology (IT) peripheral device subsystem, and a storage subsystem.

5. The in-vehicle gateway system of claim 1, further comprising

a power train control comprising at least one of an Ethernet-1T interface, an Ethernet interface, and a native interface, and configured to control one of a gasoline vehicle, an electric vehicle and a hybrid vehicle via a control command from the central controller or from an authorized mobile device;

wherein the central controller further comprises

a touch screen for a driver of the vehicle to input a control command and to display information from the plurality of the in-vehicle subsystems; and

a policy-based decision module configured to generate the unified control command based on a plurality of input data from one or more of sensors and predefined policies.

6. The in-vehicle gateway system of claim 1, wherein the switch fabric comprises one or more of a controller area network (CAN), a CAN flexible date rate (CAN-FD), a local interconnect network (LIN), and an Ethernet Audio Video Bridging (AVB), a low-latency Ethernet switch fabric, and a one-pair Ethernet (Ethernet-1T) switch fabric.

7. The in-vehicle gateway system of claim 6, wherein the switch fabric in a one-to-one active and standby redundancy configuration, is configured to monitor a link status of the switch fabric and associated communication links, and to initiate a switchover when the switch fabric identifies a fault condition in an active switch unit of the switch fabric or one of the associated communication links.

8. The in-vehicle gateway system of claim 1, further comprising a virtualization module configured to represent in-vehicle devices as virtual entities and to provide a set of services to the central controller and the plurality of the in-vehicle subsystems, the set of services comprising a data service, a configuration service, a management service, a diagnosis service, a security service, and a cloud service.

9. The in-vehicle gateway system of claim 8, wherein the data service comprises storing and forwarding telemetry data collected by at least one or more in-vehicle devices, publishing the telemetry data to a remote server, and parsing and encapsulating the telemetry data into Ethernet packets to be transmitted to at least one of the central controller and one of the in-vehicle subsystems.

10. The in-vehicle gateway system of claim 8, wherein the configuration service comprises managing configuration files;

the cloud service comprises communicating with a remote cloud server, and publishing or subscribing to requests from or responses to a remote resource management entity;

the management service comprises deploying, upgrading, and configuring software components of the plurality of the in-vehicle subsystems based at least in part on the cloud service and the configuration service;

the diagnostic service comprises verifying hardware connections of the in-vehicle gateway system and software features including a database operation verification, and a cloud server event verification; and

the security service comprises providing protection against hacking, theft, distributed denial of service (DDoS) and counterfeit, a message encryption and authentication for secure connections and a support for a pseudonyms stack for privacy protection.

11. A method at an in-vehicle gateway system for monitoring and controlling a plurality of in-vehicle subsystems within a vehicle, comprising:

in response to an input from a driver of the vehicle, enabling a third one of the plurality of the in-vehicle subsystems to use a resource of a first one of the plurality of the in-vehicle subsystems by converting, using a central controller, a command from the third one of the plurality of in-vehicle subsystems to a unified control command that can be understood by each of the plurality of in-vehicle subsystems, wherein the resource of the first one of the plurality of in-vehicle subsystems was originally exclusive to the first in-vehicle subsystems;

enabling the third one of the plurality of the in-vehicle subsystems to use data produced by a second in-vehicle subsystems by converting data of the second one of the plurality of in-vehicle subsystems to a common data format that can be read by each of the plurality of in-vehicle subsystems, wherein data from the second in-vehicle subsystems was originally exclusive to the second in-vehicle subsystems, and wherein the third one of the plurality of the in-vehicle subsystems is a newly added in-vehicle subsystem; and

transmitting the unified control command from the third one of the plurality of in-vehicle subsystems to the first one of the plurality of in-vehicle subsystems using a switch fabric on one of associated communication links.

12. The method of claim 11, further comprising:

converting a native data format of the in-vehicle subsystem into a common data format for data to be sent to the central controller or another of the plurality of the in-vehicle subsystems; and

converting the common data format to the native data format or the unified control command to a native control command format to be sent to one or more of a set of associated in-vehicle devices.

13. The method of claim 11, further comprising:

monitoring a link status of the switch fabric and associated communication links; and

initiating a switchover from an active switch unit to a standby switch unit of the switch fabric when the central controller identifies a fault condition in the active switch unit or one of the associated communication links, wherein the switch fabric comprises one or more of a controller area network (CAN), a local interconnect network (LIN), a CAN flexible date-rate (CAN-FD), an Ethernet CAN, a low-latency Ethernet switch fabric, Audio Video Bridging (AVB), and a one-pair Ethernet (Ethernet-1T) switch fabric.

14. The method of claim 11, further comprising performing one of a plurality of services by a software virtualization module that represents the plurality of in-vehicle devices as virtual entities, wherein the plurality of services comprises a data service, a configuration service, a management service, a diagnostic service, a security service, and a cloud service;

and wherein the data service comprises storing and forwarding telemetry data collected by at least one of the in-vehicle subsystems, publishing the telemetry data to a remote server, and

parsing and encapsulating the telemetry data or collected sensor data into Ethernet packets to be transmitted to at least one of the central controller and one of the in-vehicle subsystems;

the configuration service comprises managing configuration files;

the cloud service comprises communicating with a remote cloud server, and publishing/subscribing requests from/responses to a remote resource management entity;

the management service comprises deploying, upgrading, and configuring software components of the plurality of the in-vehicle subsystems using at least the cloud service and the configuration service;

the diagnostic service comprises verifying hardware connections of the in-vehicle gateway system and software features including a database operation verification, and a cloud server event verification; and

the security service comprises providing protection against hacking, theft, and counterfeit, a message encryption and authentication for secure connections, and a support for a pseudonyms stack for privacy protection.

15. The method of claim 11, further comprising adopting an in-vehicle subsystem using one of a plurality of optional connectors without a change to the plurality of the in-vehicle subsystems.

16. The method of claim 11, further comprising:

receiving the unified control command from the driver of the vehicle via a touch screen or a microphone; and

displaying and/or playing out a notification and a response from one of the plurality of the in-vehicle subsystems on the touch screen and/or a voice speaker.

17. An apparatus of an in-vehicle gateway system for monitoring and controlling a plurality of in-vehicle subsystems within a vehicle, comprising:

a memory; and

at least one processor coupled to the memory and configured to;

enable a third one of the plurality of the in-vehicle subsystems to use a resource of a first in-vehicle subsystems by converting a command from the third in-vehicle subsystem to a unified control command that can be understood by each of the plurality of in-vehicle subsystems, wherein the resource of the first one of the plurality of in-vehicle subsystems was originally exclusive to the first in-vehicle subsystems;

enable the third one of the plurality of the in-vehicle subsystems to use data from a second one of the plurality of the in-vehicle subsystems by converting data of the second in-vehicle subsystem to a common data format that can be read by each of the plurality of in-vehicle subsystems, wherein data from the second in-vehicle subsystems was originally exclusive to the second in-vehicle subsystems, and wherein the third one of the plurality of the in-vehicle subsystems is a newly added in-vehicle subsystem; and

generate a unified control command by a central controller in response to an input from a driver of the vehicle or an event from one of the plurality of the in-vehicle subsystems, for monitoring or controlling at least one of the in-vehicle subsystems, wherein the unified control command is transmitted using a switch fabric on one of associated communication links.

18. The apparatus of claim 17, wherein the at least one processor is further configured to:

convert a native data format of one of the plurality of the in-vehicle subsystems into a common data format for data to be sent to the central controller or another of the plurality of the in-vehicle subsystems; and

convert the common data format to the native data format or the unified control command to a native control command format to be sent to the in-vehicle subsystem.