scholarly journals IOT ENABLED PNEUMATIC GEAR SHIFTING IN TWO-WHEELER

2021 ◽  
Vol 6 (1) ◽  
Author(s):  
S Divya ◽  
Dinesh K.K ◽  
Abishek S ◽  
Bala Ganesh M ◽  
Gokulkrishnan S
Keyword(s):  
Control Mechanism ◽  
Automatic Transmission ◽  
Gear Transmission ◽  
Transmission Mechanism ◽  
Maintenance Cost ◽  
Mechanical Device ◽  
New Device ◽  
Two Wheeler ◽  
Very High ◽  
Transmission Gear

The present automatic transmission is fully mechanically controlled and costs very high. In this study, a gear shifting mechanism was designed and applied on a featured bike to make the gear transmission process faster and less destructible for the driver using internet. But the gear transmission mechanism designed makes driving easier and to achieve efficient driving. This new device must be reliable, has small dimensions, economical and low maintenance cost. This project aims to improve the gear shifting process with a suitable control mechanism to implement in clutch featured bikes. According to the suggested gear shifting method, which selects the transmission gear as per the speed of the vehicle without direct human interference. A pneumatic shifter is a mechanical device that uses compressed air to shift a gear controls the engaging and disengaging of gears using internet of things principle to control automatically. There is no lag time in a gear shifting operation and taking hold in the rest of the vehicles.

Nomographs for Enumeration of Clutching Sequences Associated With Epicyclic-Type Automatic Transmission Mechanisms

2008 ◽  
Author(s):  
Essam L. Esmail
Keyword(s):  
Automatic Transmission ◽  
Root Cause ◽  
Transmission Mechanisms ◽  
Epicyclic Gear ◽  
Angular Velocities ◽  
Gear Mechanism ◽  
Gear Trains ◽  
Exact Size ◽  
Algorithmic Techniques ◽  
Transmission Gear

A new methodology for the enumeration of feasible clutching sequences for a given epicyclic gear mechanism (EGM) is presented using the kinematic nomographs of epicyclic-type transmission mechanisms. From such nomographs, the kinematic characteristics of an epicyclic gear mechanism can be expressed in terms of the gear ratios of its gear pairs. From a single nomograph, the angular velocities for all of the coaxial links can be estimated and compared directly without specifying the exact size of each gear. In addition, the angular velocities can be arranged in a descending sequence without using complicated artificial intelligence or algorithmic techniques. Then, a procedure for the enumeration of feasible clutching sequences associated with a transmission mechanism composed of two or more fundamental gear entities (FGEs) is developed. The reliability of the methodology is established by applying it to two transmission gear trains for which solutions are either fully or partially available in the literature. In the process, an incomplete in the results reported in previous literature is brought to light. And the root cause of this incompleteness is explored. The present methodology is judged to be more efficient for enumeration of all feasible clutching sequences of an EGM.

scholarly journals Multi-Objective Genetic Algorithm for an automatic transmission gear shift map

2016 ◽  
Vol 49 (3) ◽  
pp. 123-128 ◽  
Author(s):  
Adama Fofana ◽  
Olivier Haas ◽  
Vince Ersanilli ◽  
Keith Burnham ◽  
Joe Mahtani ◽  
...  
Keyword(s):  
Genetic Algorithm ◽  
Automatic Transmission ◽  
Gear Shift ◽  
Multi Objective ◽  
Multi Objective Genetic Algorithm ◽  
Shift Map ◽  
Transmission Gear

Design for NGW Type Planetary Gear Transmission

2012 ◽  
Vol 479-481 ◽  
pp. 876-879
Author(s):  
Xian Zhi Li ◽  
Bao Lin Yin ◽  
Chun Shan Liu ◽  
Si Yu Chen
Keyword(s):  
Computer Program ◽  
Optimization Model ◽  
Optimization Design ◽  
Planetary Gear ◽  
Gear Transmission ◽  
Transmission Mechanism ◽  
Design Parameters ◽  
Boundary Constraint ◽  
And Mathematics ◽  
Drawing Program

This article analyzes the NGW type planetary gear transmission mechanism and structure, establishes boundary constraint conditions and mathematics optimization model in view of the smallest volume's project objective. It can realize the NGW type planetary gear transmission optimization design through compiling corresponding computer program, obtain the optimization design parameters. In optimization design's foundation, it applies the CAD technology to establish drawing program, realizes the parametric drawing.

Computing the power flow and mechanical efficiency of in-hub bicycle transmissions

2014 ◽  
Vol 31 (2) ◽  
pp. 267-282
Author(s):  
Yi-Chang Wu ◽  
Chia-Ho Cheng
Keyword(s):  
Power Flow ◽  
Automatic Transmission ◽  
Mechanical Efficiency ◽  
Efficiency Analysis ◽  
Transmission Mechanism ◽  
Design Stage ◽  
Content Type ◽  
Gear Mesh ◽  
Embodiment Design ◽  
Gear Mechanism

Purpose – The analysis of power flow and mechanical efficiency constitutes an important phase in the design and analysis of gear mechanisms. The aim of this paper is to present a systematic procedure for the determination of power flow and mechanical efficiency of epicyclic-type transmission mechanisms. Design/methodology/approach – A novel epicyclic-type in-hub bicycle transmission, which is a split-power type transmission composed of two transmission units and one differential unit, and its clutching sequence table are introduced first. By using the concept of fundamental circuits, the procedure for calculating the angular speed of each link, the ideal torque and power flow of each link, the actual torque and power flow of each link determined by considering gear-mesh losses, and the mechanical efficiency of the transmission mechanism is proposed in a simple, straightforward manner. The mechanical efficiency analysis of epicyclic-type gear mechanisms is largely simplified to overcome tedious and complicated processes of traditionally methods. Findings – An analysis of the mechanical efficiency of a four-speed automotive automatic transmission completed by Hsu and Huang is used as an example to illustrate the utility and validity of the proposed procedure. The power flow and mechanical efficiency of the presented 16-speed in-hub bicycle transmission are computed, and the power recirculation inside the transmission mechanism at each speed is detected based on the power flow diagram. When power recirculation occurs, the mechanical efficiency of the gear mechanism at the related speed reduces. The mechanical efficiency of this in-hub bicycle transmission is more than 96 percent for each speed. Such an in-hub bicycle transmission possesses reasonable kinematics and high mechanical efficiency and is therefore suitable for further embodiment design and detail design. Originality/value – The proposed approach is suitable for the mechanical efficiency analysis of all kinds of complicated epicyclic-type transmissions with any number of degrees of freedom and facilitates a less-tedious process of determining mechanical efficiency. It is a useful tool for mechanical engineering designers to evaluate the efficiency performance of the gear mechanism before actually fabricating a prototype as well as measuring the numerical data. It also helps engineering designers to cautiously select feasible gear mechanisms to avoid those configurations with power recirculation in the preliminary design stage which may significantly reduce the time for developing novel in-hub bicycle transmissions.

Design of Cotton-Picking Laptop Machine without Winding

2011 ◽  
Vol 467-469 ◽  
pp. 593-596
Author(s):  
Feng Luo ◽  
Ke Qiu
Keyword(s):  
Cotton Fiber ◽  
Gear Transmission ◽  
Transmission Mechanism ◽  
Labor Intensity ◽  
Direct Drive ◽  
Improve Efficiency ◽  
Cotton Picking ◽  
Fiber Winding

The cotton fiber winding has always been a problem for a picking cotton machine to conquer. This design theoretically pointed out the reasons, at the same time around launched a mechanical cotton-pickers laptop without transmission mechanism, but with a flexible helicopter. This machine is made of cotton picking a direct drive of micro-motors to rotate, the protection cover to picking cotton, and gear transmission by the wind, thus instantly complete cotton flower of picking cotton, improve efficiency, but also greatly reduce the labor intensity of cotton.

scholarly journals Design and Fabrication of an Automatic Trash Remover for Open Channel Waterway for Micro Hydropower Plant Application

2019 ◽  
Vol 2 (2) ◽  
pp. 145-148
Author(s):  
A. M. Shiddiq Yunus ◽  
Musrady Mulyadi ◽  
Apollo Apollo
Keyword(s):  
Renewable Energy ◽  
Power Plants ◽  
Large Scale ◽  
Open Channel ◽  
Control Mechanism ◽  
Low Voltage ◽  
Hydropower Plant ◽  
Maintenance Cost ◽  
Small Communities ◽  
Hydropower Plants

Mitigation of catastrophic impacts of exhausted pollutants from conventional based power plants could be done by extensively used of renewable energy-based power plants. One of the promising renewable-based power plants that already have technology maturity is hydropower. However, large scale hydropower is based on an appropriate site and not economically effective for isolated and remote small communities. As anticipation, to fulfill the power requirements of these communities, micro-hydropower plants (MHPPs) are applied due to its inexpensive capital and low maintenance cost. Normally, MHPPs projects are finalized from civil construction to powerhouse. A simple trash filter is usually located before the intake of the penstock. This simple trash filter usually causes a problem related to trash collection that blocks the water debit into the penstock intake. The low debit, might cause the turbine's rotation will be reduced which in turn downgrade the voltage and frequency. Low voltage and frequency might harm consumers. In this paper, a new control mechanism based on Arduino Mega of automatic trash removed is introduced.

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