Energy-saving driving control method matched with a mechanical automatic transmission vehicle

Abstract

The invention relates to an energy-saving driving control method matched with a mechanical automatic transmission vehicle. The energy-saving driving control method comprises energy-saving slide detection and energy-saving slide control and is characterized in that energy-saving slide detection comprises slide entrance detection and slide exit detection so as to determine whether a vehicle enters or exits an energy-saving slide mode; the energy-saving slide control comprises trial slide control, confirmed slide control and slide exit control, and enables the vehicle to work in a state of breaking or recovering a transmission system on the basis of a judgment result that the vehicle enters or exits the energy-saving slide mode; a manual slide habit of a driver can be imitated, firstly, a clutch is separated to carry out trail sliding for a certain time, and when sliding is confirmed, a neutral position is switched into, so that when a certain energy-saving aim is fulfilled, increase of abrasion on a mechanical mechanism is avoided; moreover, in the process of entering or exiting the slide mode, power flow of the power transmission system can be rapidly and smoothly switched or recovered so as to fulfill the aims of safety and comfort.

Description

technical field [0001] The invention relates to an energy-saving driving control method of a vehicle matched with a mechanical automatic transmission. Background technique [0002] In order to improve fuel economy, reduce emissions, and take safety and comfort into consideration, the energy-saving coasting control function can be applied to vehicles with automatic transmissions, especially for long-distance heavy-duty tractors, which can save fuel to a certain extent. When the vehicle is running under a certain working condition, if the driver releases the accelerator pedal, the coasting control function will take effect, and the controller will automatically disconnect the transmission system to keep the engine at idle speed, eliminating the kinetic energy of the vehicle caused by engine friction loss Although the engine consumes a certain amount of fuel when it is idling, the sliding distance is longer when the drive train is disconnected, thereby achieving the purpose of ...

AI Technical Summary

Problems solved by technology

[0003] Existing taxi-related technologies either do not comprehensively consider various influencing factors inside the vehicle, or do not predict suitable taxiing terrain and traffic conditions to determine whether the taxiing mode is activated, resulting in the timing of entering and exiting taxiing is likely to be inappropriate and fail to achieve energy saving and safety. ; or special devices need to be added during taxiing, which increases the cost; or it needs to be combined with the cruise control unit or brake control unit, and the taxiing function is not independently controllable

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