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Experimental Research to Evaluate the Efficiency of CVT Transmission Using Test Bench | IEEE Conference Publication | IEEE Xplore

Experimental Research to Evaluate the Efficiency of CVT Transmission Using Test Bench


Abstract:

The Continuously Variable Transmission (CVT) marks a significant advancement in automotive. In contrast to traditional manual transmissions, CVT does not utilize fixed ge...Show More

Abstract:

The Continuously Variable Transmission (CVT) marks a significant advancement in automotive. In contrast to traditional manual transmissions, CVT does not utilize fixed gear ratios. Thereby enhancing not only acceleration performance but also fuel efficiency. Many factors affect the transmission performance of a CVT, including belt structure, hydraulic pressure, and control techniques. These factors play crucial roles in influencing transmission efficiency and require thorough investigation and enhancement efforts. This research introduces an investigation focused on the application of the PID control method to regulate a continuous variable transmission (CVT) gearbox model. The specific focus is on examining the impact of slip ratio, influencing both the primary and secondary pulleys through the hydraulic pressure mechanism, to assess its effect on the performance of the CVT system. The PID control technique enhances transmission ratio precision within the CVT system, effectively catering to adjustments for both primary and secondary pulleys through the hydraulic pressure mechanism. This control method's adjustment parameters are computed based on calculated values, achieving a transmission efficiency of over 95 %. Significantly, the test bench experiments underscore improvements in response speed, accuracy, and the attenuation of steady-state error. The findings from this paper are crucial for developing sophisticated CVT control systems that can intervene to reduce slip effects and enhance the efficiency, drivability, and fuel economy of vehicles.
Date of Conference: 25-26 July 2024
Date Added to IEEE Xplore: 23 September 2024
ISBN Information:
Conference Location: Ho Chi Minh City, Vietnam

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