System and method for calculating transmission torque of clutch
A torque transmission and clutch technology, which is applied in the field of automobile clutch systems, can solve problems such as inaccurate calculation results and large fluctuations in clutch transmission torque capabilities, and achieve the effect of improving vehicle performance and ensuring accuracy
Active Publication Date: 2022-06-17
DONGFENG PEUGEOT CITROEN AUTOMOBILE
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Problems solved by technology
There are many types of clutches, among which dry diaphragm spring clutches are widely used in contemporary passenger cars due to their excellent performance and structure, and their maximum torque transmission performance is extremely important in powertrain design. Use the traditional formula to calculate the transmission torque of the clutch through simple parameters, but in practical applications, the transmission torque capacity of a single clutch often fluctuates greatly, and the calculation results of the traditional formula are not accurate
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[0039] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0040] There are four main parameters that determine the transmission torque of the clutch: the number of surfaces of the friction plate, the friction coefficient, the effective friction radius and the pressing force of the pressure plate. The main factors that affect the calculation of the above four parameters are: temperature effect, deviation effect, gap energy consumption effect and external force effect. Therefore, when calculating the magnitude of the clutch transmission torque through the above four parameters, the influence values of the four influencing factors are also brought into the clutch transmission torque magnitude formula, and the accurate clutch transmission torque range can be obtained.
[0041] Temperature influence: The clutch is in the engine compartment, and the ambient temperature of the body is relatively hi...
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The invention discloses a system and method for calculating transmission torque of a clutch. The system comprises a friction plate surface number module, a friction coefficient module, an effective friction radius module, a pressing force module and a transmission torque module. The friction plate surface number module is used for selecting and outputting the surface number of the friction plate; the friction coefficient module is used for measuring and outputting the maximum value and the minimum value of the friction coefficient of the friction plate at the specific temperature; the effective friction radius module is used for calculating and outputting the effective friction radius of the friction plate; the pressing force module is used for calculating and outputting the maximum value and the minimum value of the pressing force of the pressing plate; the transmission torque module is used for calculating output data of the friction plate surface number module, the friction coefficient module, the effective friction radius module and the pressing force module and outputting the transmission torque range of the clutch at the specific temperature. According to the method, the influence of multiple aspects on clutch transmission torque calculation is fully considered, the accuracy of a system calculation result is guaranteed, the design reliability of a vehicle power assembly is guaranteed, and the vehicle performance is improved.
Description
technical field [0001] The invention relates to the technical field of automobile clutch systems, in particular to a system and method for calculating clutch transmission torque. Background technique [0002] As an important part of the vehicle powertrain, the clutch plays the functions of transmitting the starting torque, interrupting and protecting the overload during the driving process of the vehicle. There are many types of clutches. Among them, dry diaphragm spring clutches are widely used in contemporary passenger cars due to their excellent performance and structure. The performance of maximum torque transmission is extremely important in powertrain design. Using the traditional formula, the transmission torque of the clutch is calculated by simple parameters, but in practical application, the transmission torque capacity of a single clutch often fluctuates greatly, and the calculation result of the traditional formula is not accurate. SUMMARY OF THE INVENTION [...
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IPC IPC(8): F16D13/64F16D13/58G06F30/17G01L5/00G01M13/022G06F119/14
CPCF16D13/64F16D13/58G06F30/17G01L5/0061G01M13/022G06F2119/14
Inventor 童练达周平刘晓东
Owner DONGFENG PEUGEOT CITROEN AUTOMOBILE