Method and system for driving a vehicle

Abstract

The invention provides a vehicle traveling control method and system. The method includes the steps that firstly, the current vehicle position, pedestrian information, traffic light information and traffic sign information of the current vehicle position and the average vehicle speed and the idling state of a vehicle are obtained; secondly, according to the current vehicle position and the pedestrian information, the traffic light information and the traffic sign information of the current vehicle position, the current road working condition of the vehicle is judged; thirdly, according to the average vehicle speed and the idling state of the vehicle, the current road sub working condition of the vehicle is further judged in the current road working condition of the vehicle; and fourthly, a vehicle traveling mode is determined according to the current road sub working condition of the vehicle, fuel is controlled through an EMS, and the energy of a battery is controlled through a BMS. By the adoption of the method and system, energy management and fuel economy of the vehicle can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to a vehicle driving control method and system. Background technique [0002] In the development of automobiles, especially hybrid vehicles, the analysis of vehicle driving conditions is the basis of design. Ordinary energy management strategies only judge the road condition of the vehicle based on the parameters in the vehicle's own information state, such as average speed, idling time ratio, etc., and fail to obtain real traffic conditions, which are not objective. When the deviation is large, it will cause waste of vehicle energy and fuel. Most of the current energy management methods are steady-state control strategies based only on the instantaneous optimization of energy, which is responsible for the transient, without considering the actual road conditions and the insufficient response to changes in conditions. Some methods take road conditions into account, but they ar...

AI Technical Summary

Problems solved by technology

Some methods take road conditions into account, but they are judged only based on the vehicle's own information, which is quite different from the real road conditions.

Images