A sleep and wake-up method of hybrid network in vehicle including vehicle Ethernet

Abstract

The present invention provides a sleep and wake-up method for a hybrid network in a vehicle including the vehicle Ethernet, which is characterized in that it includes: step S1, the controllers in the vehicle are connected to the network through their respective buses connected to the network and are connected to the network by the network manager Manage; step S2, when there is a trigger sleep condition in the network, the network coordinator judges whether the bus in the network is in a dormant state, if any bus is not in a dormant state, then the current network maintains the network mode, if all the bus are in sleep state, after a preset waiting time, the network coordinator releases the network and enters total sleep mode. The present invention provides a technical solution that can manage the sleep and wake-up states of the hybrid network in the car that includes the vehicle-mounted Ethernet, coordinates and manages the sleep and wake-up states that contain the Autosar Ethernet network, the Autosar CAN network, and the OSEK CAN network, saving In-vehicle network resources and energy saving to improve efficiency.

Description

technical field [0001] The invention relates to the field of smart cars, in particular to a sleep and wake-up method of an in-vehicle hybrid network including an in-vehicle Ethernet. Background technique [0002] With the popularization of automobiles, more and more automobiles have entered thousands of households. With the continuous improvement of people's living consumption level, the number of automobiles has also continued to increase. Everyone has higher and higher requirements for the intelligence of electrical appliances in the car. At the same time that the data requirements of automobile intelligence are increasing, the traditional CAN network (2M / s) can no longer meet the data transmission of smart cars due to its low transmission rate. In order to solve the data transmission problem of traffic, a high-speed transmission of automotive Ethernet ( 100M / s) was introduced into smart cars, but with the gradual introduction of automotive Ethernet into the interior of th...

AI Technical Summary

Problems solved by technology

However, CAN network management or signal level is used in the interior of existing cars. With the conversion of the ECU controller bus form from CAN to Ethernet, the Ethernet ECU controller needs sleep and wake-up management. The gateway device faces the following problems: On the one hand Need to support Ethernet network sleep wake-up management, on the other hand need a strategy to coordinate with other bus sleep wake-up management mechanisms

The automotive gateway device needs to support both traditional CAN bus network management and Ethernet network management. At the same time, there are two protocols for CAN network management, OSEK and AUTOSAR. In this way, there are many protocols and multiple bus forms for car sleep and wake-up. At present, there is no one clear method to coordinate management, the present invention proposes to solve this problem

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