Hydro-viscous clutch control quality comprehensive evaluation method

Abstract

The invention discloses a hydro-viscous clutch control quality comprehensive evaluation method, and relates to the technical field of vehicle control. The specific implementation mode of the method comprises the following steps: providing various forms of control current for a speed adjustment electromagnetic valve of the hydro-viscous clutch, and testing the hydro-viscous clutch; in the testing process, a control current signal of the speed adjustment electromagnetic valve and an output rotating speed signal of the hydro-viscous clutch are collected, and a plurality of testing curves including the control current and the output rotating speed are drawn; determining evaluation index parameter values of the plurality of evaluation index parameters according to the plurality of test curves; obtaining scores and evaluation weights of the evaluation index parameter values according to the plurality of evaluation index parameter values; and determining the comprehensive score of the control quality of the hydro-viscous clutch according to the score of the evaluation index parameter value and the evaluation weight. According to the implementation mode, the evaluation index of the control quality of the hydro-viscous clutch can be determined, the control quality of the hydro-viscous clutch can be comprehensively evaluated quickly, simply and conveniently, and the development efficiency of a hydro-viscous clutch system is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of vehicle control, and in particular relates to a method for comprehensively evaluating the control quality of a fluid-viscous clutch, which can be applied to the design of any transmission device control system or control quality evaluation system equipped with a fluid-viscous clutch. Background technique [0002] During the running of the vehicle, it is necessary to cool the engine according to its operating conditions to ensure that the engine does not overheat. With the continuous improvement of the mobility, environmental applicability and reliability requirements of special vehicles, the application of fluid viscous clutches continues to expand, especially in fan speed control systems, and has been widely used. [0003] The fan speed control system usually uses a fluid-viscous clutch to drive the fan, adjusts the fan speed according to the temperature of the engine coolant, and then cools the engine t...

AI Technical Summary

Problems solved by technology

However, during the operation of the existing viscous clutch, there is no clear evaluation index to comprehensively evaluate the control quality of the viscous clutch, which cannot provide a reference for the development of the viscous clutch system.

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