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Vehicle power output control method and device

An output control and vehicle power technology, applied in the field of vehicle power output control methods and devices, can solve problems such as mismatching

Active Publication Date: 2020-04-21
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In practical applications, under different ambient temperatures, due to changes in atmospheric pressure and air density, the actual output power of the engine is different under the same speed conditions. In the prior art, no matter the vehicle is in any environment In the temperature, the same power demand, the engine corresponds to only one speed control, which leads to the mismatch between the actual output power of the vehicle and the power demand of the vehicle

Method used

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  • Vehicle power output control method and device
  • Vehicle power output control method and device
  • Vehicle power output control method and device

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Embodiment Construction

[0017] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0018] The terminology used in the present invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used herein and in the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as use...

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Abstract

The invention discloses a vehicle power output control method and a device. The method comprises the steps that when a unit coordination controller receives required power, the environment temperatureof the environment where a vehicle is located currently is obtained, a power mode corresponding to the environment temperature is determined, and a power output instruction containing the required power and power mode information is sent to a motor controller; and the motor controller is used for determining the engine rotating speed corresponding to the required power based on the power mode andsending the engine rotating speed to an engine controller, so that the engine controller controls an engine by utilizing the engine rotating speed to meet the power requirement of the vehicle; a unitcoordination controller is used for selecting a targeted power mode according to the using environment temperature of the whole vehicle and sending different power output instructions to the motor controller, and therefore the motor controller is used for selecting the rotating speed of the engine in a targeted mode according to the required power so as to meet the dynamic property requirement under the current environment temperature.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to a vehicle power output control method and device. Background technique [0002] In the prior art, the vehicle power output control method is to determine the engine speed corresponding to the required power according to the pre-calibrated map curve between the required power and the rotational speed, so as to meet the vehicle power demand. [0003] In practical applications, under different ambient temperatures, due to changes in atmospheric pressure and air density, the actual output power of the engine is different under the same speed conditions. In the prior art, no matter the vehicle is in any environment In temperature, for the same power demand, the engine corresponds to only one speed control, which leads to a mismatch between the actual output power of the vehicle and the power demand of the vehicle. Contents of the invention [0004] The purpose of the present invent...

Claims

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Application Information

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IPC IPC(8): B60W20/10B60W10/06B60W10/08
CPCB60W10/06B60W10/08B60W20/10Y02T10/62
Inventor 董旭刘燕燕
Owner WEICHAI POWER CO LTD
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