Vehicle Control Fallback Using Virtual Switch and Sensor Services
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Solution Overview
Problem
Vehicle control systems face instability due to hardware failures in devices such as switches, sensors, and actuators, leading to ineffective operation.
Innovation Solution
A vehicle control apparatus with a first and second signal processing device, each equipped with processors and memories, that can execute virtual switch, sensor, and actuator services in response to hardware failures, utilizing Service-Oriented Architecture (SOA) to provide rapid replacement services and control actuators through virtual objects displayed on the vehicle's displays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hardware devices (switches, sensors) are used in vehicle control systems, then the system can perform basic control functions, but the system becomes unstable when hardware failures occur
Solution Approach 1:
The patent creates virtual copies of failed hardware devices through software. When a physical switch or sensor fails, the system generates a virtual switch service or virtual sensor service that replicates the functionality of the failed hardware component, allowing the control system to continue operating without interruption.
Solution Approach 2:
The system dynamically changes the operational parameters of the control architecture by switching from hardware-based control to software-based virtual service control. This parameter change enables the system to adapt its behavior and maintain stability when hardware components fail.
2Productivity
If traditional hardware-based control systems are used, then the system structure is simple, but the system cannot rapidly execute replacement services when failures occur
Solution Approach 1:
The patent replaces the mechanical hardware-based control system with a software-based Service-Oriented Architecture. Instead of physically replacing failed components, the system uses virtual services executed by processors to provide the same control functions, dramatically accelerating the service replacement process.
Solution Approach 2:
The control device is designed with universal capabilities to execute multiple types of virtual services (virtual switch services, virtual sensor services, virtual actuator services) through a common software platform. This multi-functionality allows rapid adaptation to different failure scenarios without requiring hardware changes.
3Ease of operation
If virtual switch services are implemented through software, then rapid replacement is possible, but the system requires complex processing devices and memory structures
Solution Approach 1:
The patent segments the control system into distinct functional modules: first signal processing devices for detecting failures and generating virtual services, second signal processing devices for executing virtual actuator services, and control devices for coordinating operations. This segmentation manages complexity by distributing functions across specialized components.
Solution Approach 2:
The patent introduces memory structures as intermediaries between processors and virtual services. The memory stores and manages virtual service data, acting as a buffer that simplifies the interaction between processing units and enables efficient service execution without direct complex processor-to-processor communication.
Data Source
AI summary
A vehicle control apparatus according to an embodiment of the present disclosure includes: a first signal processing device including a first processor and a first memory; a second signal processing device electrically connected to the first signal processing device and including a second processor and a second memory; and a control device electrically connected to the second signal processing device and configured to receive a signal from a hardware switch or a sensor or to control at least one actuator, wherein the first or second processor is configured to: in response to a failure of the hardware switch, execute a virtual switch service and output a virtual switch object corresponding to the virtual switch service to a display which is electrically connected; and in response to the virtual switch object being selected, control a controller to output a turn-on signal, a turn-off signal, or an operation control signal to the actuator. Accordingly, a replacement service can be rapidly executed in response to the failure of the hardware device connected to the controller.