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Torque monitoring method, device and system

A technology of torque monitoring and monitoring layer, applied in the field of hybrid electric vehicle power, can solve problems such as low reliability, and achieve the effect of improving reliability

Pending Publication Date: 2022-06-28
SAIC MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the actual application process, it is found that the reliability of the above-mentioned torque monitoring scheme is low

Method used

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  • Torque monitoring method, device and system
  • Torque monitoring method, device and system
  • Torque monitoring method, device and system

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Embodiment Construction

[0056] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0057] In this application, the hybrid vehicle includes two energy sources, the engine and the motor, as an example for description.

[0058] In order to facilitate the understanding of those skilled in the art, the present application provides a torque monitoring system. see figure 1 , the torque monitoring system includes: a controller 100 , a motor controller 200 connected to the controller 100 , and an engine controller 300 connecte...

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Abstract

The invention provides a torque monitoring method, device and system, the method is applied to a controller of a hybrid electric vehicle, and the method comprises the steps that the actual torque of the hybrid electric vehicle is monitored to obtain a first monitoring result; monitoring the required torque of the hybrid electric vehicle to obtain a second monitoring result; and in combination with the first monitoring result and the second monitoring result, a regulation and control instruction for controlling the hybrid electric vehicle is determined. The demand torque and the actual torque of the hybrid electric vehicle can be monitored at the same time, compared with the prior art that the demand torque is independently monitored, the torque of the hybrid electric vehicle can be monitored from the two aspects of the demand torque and the actual torque, and therefore the reliability of the hybrid electric vehicle can be improved.

Description

technical field [0001] The present application relates to the technical field of hybrid electric vehicle power, and in particular, to a torque monitoring method, device and system. Background technique [0002] A hybrid vehicle has at least two power sources, for example, a hybrid vehicle has two power sources, an electric motor and an engine. In some cases, due to insufficient engine responsiveness, HEVs will actively request high torque from the electric motor to make the total torque meet the driver's demand. [0003] In order to prevent the actual torque of the hybrid vehicle from exceeding the torque threshold, the controller of the hybrid vehicle usually determines whether the demanded torque is greater than the torque threshold. If the demanded torque is greater than the torque threshold, the estimated actual torque may exceed the torque threshold, triggering The controller triggers a safety mechanism to protect the hybrid vehicle. [0004] However, in the actual ap...

Claims

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Application Information

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IPC IPC(8): B60W20/00B60W20/15
CPCB60W20/00B60W20/15
Inventor 李相华王志翔任倩萌叶锦王林
Owner SAIC MOTOR