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Method and system for controlling engine speed

A technology of engine speed and engine controller, which is applied in the field of vehicles, can solve the problem of high fuel consumption and achieve the effect of reducing fuel consumption

Active Publication Date: 2021-11-19
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the purpose of this application is to provide a method and system for controlling the engine speed, which is used to solve the problem of high fuel consumption in the prior art that uses a constant speed control strategy to control the engine speed under different working conditions. question

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  • Method and system for controlling engine speed
  • Method and system for controlling engine speed
  • Method and system for controlling engine speed

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Embodiment Construction

[0050] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0051] The present application provides a method for controlling the engine speed, which is applied to an engine controller to control different engine speeds under different operating modes, so as to reduce fuel consumption.

[0052] In the vehicle system, there are vehicle controllers and engine controllers, wherein the engine controller is a component...

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Abstract

The present application provides a method and system for controlling the engine speed. The engine controller obtains the set speed and working mode, and determines the corresponding speed control strategy based on the working mode, and then acquires parameters related to the vehicle load and based on the vehicle load The relevant parameters are calculated to obtain the vehicle load. On the basis of the set speed and vehicle load, the determined speed control strategy is used to determine the actual speed, and the engine is controlled to run at the actual speed, which realizes the use of different speeds under different working conditions. The control strategy controls the speed to achieve the purpose of reducing fuel consumption.

Description

technical field [0001] The present application belongs to the technical field of vehicles, and in particular relates to a method and system for controlling engine speed. Background technique [0002] Vehicles in the prior art have a variety of working modes according to actual needs, such as excavators, including H gear (Hard, strong power mode), E gear (Economic, low fuel consumption mode), and A gear (Automatic, automatic mode). Under different working conditions, the requirements for the power and economy of the whole machine are different. However, under different working conditions, the constant speed control strategy is used to control the engine speed, resulting in waste of fuel and high fuel consumption. Contents of the invention [0003] In view of this, the purpose of this application is to provide a method and system for controlling the engine speed, which is used to solve the problem of high fuel consumption in the prior art that uses a constant speed control ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D29/02
CPCF02D29/02F02D31/007
Inventor 胡洪昌韩腾何虎成姬广烁隽杰李伟
Owner WEICHAI POWER CO LTD