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A network system connected to the controller in the car

A network system and controller technology, applied in transmission systems, electrical components, etc., can solve the problems of low reliability and safety, and achieve high cost performance and improve reliability and safety.

Active Publication Date: 2019-05-07
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the embodiment of the present invention provides a network system connected to the controller in the vehicle to solve the problem of low reliability and security of the current vehicle electronic control system

Method used

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  • A network system connected to the controller in the car
  • A network system connected to the controller in the car
  • A network system connected to the controller in the car

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Embodiment Construction

[0019] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

[0020] In the embodiment of the present invention, each in-vehicle controller is connected by peer-to-peer (P2P) network, and the technical characteristics of the peer-to-peer network are mainly reflected in:

[0021] 1. Decentralization: The resources and services in the network are scattered on all nodes, and the transmission of information and the realization of services are carried out directl...

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Abstract

The present invention is applicable to the technical field of automobile control, and provides a network system for connecting in-vehicle controllers, including: based on a fully distributed peer-to-peer network, each in-vehicle controller is used as a node with equal status in the peer-to-peer network , forming a local area network in the car; the controller in the car includes an electronic control unit ECU, a vehicle controller VMS, an automatic anti-lock brake ABS, an automatic transmission AMT and other control units; the controller in the car is based on the peer-to-peer The network realizes data transmission, shares hardware resources and provides services. The invention adopts a fully distributed topology peer-to-peer network to connect the controllers in the vehicle. The network system has the characteristics of decentralization, robustness, high cost performance and easy expansion, and improves the reliability and safety of the vehicle electric control system.

Description

technical field [0001] The invention belongs to the technical field of automobile control, and in particular relates to a network system connected with a controller in the automobile. Background technique [0002] Nowadays, there are more and more electronically controlled systems in cars, such as electronic fuel injection devices, anti-lock brake systems (Antilock Brake System, ABS), airbag devices, electric doors and windows, active suspension, etc. Various sensors on the vehicle body are used to monitor the status information of the vehicle in real time, and send the status information to the corresponding control unit to realize information sharing among these control units. For example, the two signals used to indicate the engine speed and the position of the accelerator pedal in the engine control unit need to be transmitted to the automatic transmission control unit, and the automatic transmission control unit will issue upshift and downshift operation instructions ac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
CPCH04L67/12H04L65/40
Inventor 李慧云唐烨严挺陈鸿刚毕亚雷
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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