Modeling and theoretical analysis of a novel ratcheting-type cam-based infinitely variable transmission system
| Autor: | Oday I. Abdullah, Adolfo Senatore, Hazim Jamalia, Amer Imran, Hakan Kaleli, Amjad Al-Hamood |
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| Jazyk: | angličtina |
| Rok vydání: | 2019 |
| Předmět: |
Marketing
Physics Infinitely variable Transmission Cam Strategy and Management Mathematical analysis Ratchet Rotation around a fixed axis Angular velocity 02 engineering and technology Kinematics Mechanism (engineering) Acceleration 020303 mechanical engineering & transports Circular motion 0203 mechanical engineering Transmission (telecommunications) Media Technology General Materials Science Infinitely variable Transmission Cam Ratchet |
| Popis: | An infinitely variable transmission (IVT) is a system that allows for a continuous (non-discrete) variation (including zero) in transmission ratio between two rotating elements. In this paper, a novel ratcheting-type IVT mechanism is presented and its geometrical design and kinematic analysis are studied in details. The proposed system contains two identical units. Each unit includes a cam with a follower, oscillatory slotted links pivoted at a shaft that can be moved vertically by a hydraulic ram (alterable transmission ratio), and a grooved wheel with an actuating rod. The input rotational motion is converted through each unit to an oscillatory angular motion of controlled amplitude. This resulting motion is rectified using a ratchet to get a unidirectional output rotational motion. Therefore, the system output motion will have a different velocity and acceleration than those of the system input. The kinematic analysis revealed that the transmission ratio can be varied continuously in a range from zero to infinity. The analysis also showed that, for particular transmission ratios, the system gives uniform output (angular velocity and acceleration) for a corresponding uniform input. |
| Databáze: | OpenAIRE |
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