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Switching method and system for vehicle-mounted redundant system, vehicle and storage medium

A redundant system and vehicle-mounted technology, applied in the direction of concurrent instruction execution, machine execution device, hardware monitoring, etc., can solve the problems of high cost, lack of independent coordination ability, etc., achieve good architecture scalability, and meet high real-time requirements Effect

Pending Publication Date: 2022-07-01
NIO TECH ANHUI CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the above redundant design scheme has very strict requirements on timing and execution time synchronization, and requires additional hardware equipment for coordination, it requires high cost and does not have autonomous coordination capabilities

Method used

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  • Switching method and system for vehicle-mounted redundant system, vehicle and storage medium
  • Switching method and system for vehicle-mounted redundant system, vehicle and storage medium

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Embodiment Construction

[0026] In this specification, the present invention is described more fully with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated. However, the present invention may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. The embodiments are given so that this disclosure will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art.

[0027] It should be noted that the terms "first", "second", etc. herein are used to distinguish similar objects, and are not necessarily used to describe the order of the objects in terms of time, space, size, and the like. Furthermore, the terms "comprising," "having," and similar expressions herein are intended to mean non-exclusive inclusion, unless specifically stated otherwise.

[0028] In this specification, the term "vehicle" or other similar terms includes motor vehicles in genera...

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PUM

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Abstract

The invention relates to a switching method for a vehicle-mounted redundant system, the vehicle-mounted redundant system, a vehicle and a storage medium. The vehicle-mounted redundant system comprises a first system and a second system which are coupled in a communication mode. The method comprises the following steps that A, in response to a received input instruction, a first system and a second system execute the input instruction in parallel, the first system is a preset master system, and the second system is a preset slave system; b, in the instruction execution process, the first system and the second system execute health monitoring operation; and C, on the basis of a health monitoring result, the first system and the second system autonomously execute master-slave device switching.

Description

technical field [0001] The invention relates to the field of vehicle-mounted system design, in particular to a switching method for a vehicle-mounted redundant system, a vehicle-mounted redundant system, a vehicle and a storage medium. Background technique [0002] At present, redundant design schemes have been widely used in industrial, automotive, aviation, railway and other fields to improve the reliability of the target. [0003] For the chip level, common redundant designs include dual-core lock-step technology, that is, two central processing units (CPUs) execute the same instruction, and then compare their execution results through specialized hardware to find errors ; As far as the system level is concerned, the redundant systems involved in the prior art also require special hardware to compare whether the execution results of several systems are consistent. Since the above redundant design scheme has very strict requirements on the synchronization of timing and ex...

Claims

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Application Information

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IPC IPC(8): G06F9/4401G06F9/38G06F11/30
CPCG06F9/441G06F9/3885G06F11/302G06F11/3013G06F11/3055G06F11/2048G06F11/2038B60W30/09B60W50/0205B60W50/029B60W50/14B60W2050/021B60W2050/0292B60W2050/143H04L43/10
Inventor 罗金华
Owner NIO TECH ANHUI CO LTD
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