Abstract
The continuously variable transmission (CVT) provides smooth acceleration and good vehicle fuel consumption due to its superior advantage that offers an infinite number of transmission ratios within its range. In order to overcome the drawbacks in the current CVT systems, a new electro-mechanical CVT is established. Single actuator double acting electro-mechanical (SADAEM) CVT system consists of two actuators to vary the variable pulleys via top linkages and power screw mechanisms. Two closed loop of Proportional-Derivative (PD) controller are set to regulate the actuators in varying the radius of drive and driven pulleys to control the SADAEM CVT system ratio. The SADAEM CVT system is analyzed based on the CVT ratio performance in term of transient response in up-shift and down-shift patterns. The SADAEM CVT system has been evaluated through simulation and experimental works, where both simulation and experimental works shows acceptable results in tracking the desired trajectory step inputs with a slight peak-to-peak error less than 5% and time delay below 0.3 s. Furthermore, based on the maximum settling time, one complete cycle to return back to original pulley position is approximately 15 s.
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Acknowledgements
The authors would like to thank the Universiti Teknikal Malaysia Melaka (UTeM), Universiti Pertahanan Nasional Malaysia (UPNM) and Malaysia-Japan International Institute of Technology (MJIIT) Universiti Teknologi Malaysia (UTM) for their financial support, technical advises and allowing the use of their research facilities.
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Nuri, N.R.M., Hudha, K., Rahman, M.L.H.A. (2022). Experimental of CVT Ratio Control Using Single Actuator Double Acting Electro-mechanical Continuously Variable Transmission. In: Ab. Nasir, A.F., Ibrahim, A.N., Ishak, I., Mat Yahya, N., Zakaria, M.A., P. P. Abdul Majeed, A. (eds) Recent Trends in Mechatronics Towards Industry 4.0. Lecture Notes in Electrical Engineering, vol 730. Springer, Singapore. https://doi.org/10.1007/978-981-33-4597-3_59
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