Vehicle control method and device, terminal equipment and storage medium

Abstract

The invention discloses a vehicle control method and device, terminal equipment and a storage medium. The method comprises the steps that the oil temperature of oil in a transmission in a target vehicle is obtained; if the oil temperature is not smaller than the first preset temperature value, to-be-used vehicle data corresponding to the target vehicle are obtained; determining a target control mode based on the oil temperature and the to-be-used vehicle data; wherein the target control mode comprises an engine rotating speed control mode and a transmission cooling flow control mode; and the transmission output shaft rotating speed is regulated and controlled based on the target control mode, so that the target vehicle is controlled to run based on the regulated and controlled transmission output shaft rotating speed. The problems that in the prior art, due to the fact that a heating part is additionally arranged to heat oil in a transmission, vehicle cost is increased, and meanwhile certain potential safety hazards exist are solved, cost waste is reduced, the torque transmission capacity of the hydraulic torque converter at the low oil temperature is improved, and the effects of improving the vehicle crawling capacity at the low oil temperature and ensuring driving safety are achieved.

Description

technical field [0001] The invention relates to the field of vehicle automatic transmission control, in particular to a vehicle control method, device, terminal device and storage medium. Background technique [0002] At present, in order to improve the driving experience of users, an automatic transmission is usually installed in mid-to-high-end vehicles, so that the vehicle can automatically shift gears according to the driver's operation input. However, when a vehicle equipped with an automatic transmission starts crawling at a low temperature, the viscosity of the oil in the transmission is often increased due to the low ambient temperature. The phenomenon that the amount of air bubbles in the oil of the torque converter greatly increases, which greatly reduces the torque transmission capacity of the torque converter, and finally causes the vehicle to fail to crawl and start. [0003] In order to ensure the normal operation of the transmission system at low temperature,...

AI Technical Summary

Problems solved by technology

However, when a vehicle equipped with an automatic transmission crawls and starts at low temperature, the viscosity of the oil in the transmission will often increase due to the low ambient temperature. The phenomenon that the amount of air bubbles in the oil of the torque converter is greatly increased, thereby greatly reducing the torque transmission capacity of the torque converter, and eventually causing the vehicle to crawl and start failure

[0003] In order to ensure the normal operation of the transmission system at low temperature, the existing technology usually chooses to detect the temperature of the oil in the transmission. When the oil temperature is lower than a certain value, the heating function of the transmission oil is turned on to realize the rapid increase of the oil temperature and improve low temperature crawling. The purpose of performance, however, this rapid heating method usually requires additional heating devices in the transmission, which will not only increase the cost of the vehicle and the complexity of the manufacturing process, but also have certain safety hazards and reliability issues

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