International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 10 Issue: 07 | July 2023
p-ISSN: 2395-0072
www.irjet.net
Formulating a Foldable Electric Bicycle Madhusuthan A V1, Adithya Kamilla2, Arockya Marklinse U3, Aldrin Jose Peter4 1,2,3,4 Student, Department of Mechanical Engineering, St.Joseph’s College of Engineering, Chennai,
Tamilnadu, India
---------------------------------------------------------------------***--------------------------------------------------------------------1.2 Background of Foldable Electric Bicycle Abstract - The objective of this endeavour is to develop and build a folding electric bicycle for modern commuters that is lightweight, inexpensive, and convenient to use. The bicycle incorporates an Electric Hub motor into its transmission system, enhancing its functionality and efficiency. The vehicle is designed to accommodate only one rider at a time and utilises a regular chain drive system that is manually operated by the rider. The main structural component of the bicycle is a single rigid square pipe, upon which various kinematic linkages are made. It features two kinematic systems, one at the front supporting the front wheel and the other at the rear, supporting the saddle. The primary material used for construction is aluminium alloy (6061), ensuring the stability and durability. In addition to the Electric Hub motor, the main components of the bicycle include cylindrical tubes, a pair of wheels, a power transmission chain, a freewheel, and a regular rim-type braking system. The foldable design of the bicycle is optimised for portability and ease of storage, making it convenient for commuters.
1. Introduction
In recent years, there has been a growing demand for innovative and versatile transportation options that cater to the needs of modern commuters. One such solution that has gained significant attention is the foldable bicycle. The concept of foldable bicycles originated from the need for a compact, portable, and convenient mode of transportation that could easily be stored and carried when not in use. These bicycles have quickly become popular among urban dwellers, commuters, and individuals seeking an ecofriendly and cost-effective means of travel. The development of foldable bicycles has been driven by advancements in materials, engineering, and design, aiming to strike the perfect balance between functionality, durability, and compactness. With their lightweight construction, foldable bicycles offer a practical solution for users who face challenges with limited storage space or the need for multimodal transportation. Additionally, technological advancements such as the incorporation of electric hub motors have further enhanced the efficiency and usability of foldable bicycles, making them an attractive option for those seeking an effortless and eco-conscious commuting experience.
1.1 Background of Bicycle
2. Problem Identification
Key Words: Bicycle, Kinematic structure, Hub motor, Chain drive, Folding Mechanism.
The increasing demand for sustainable and efficient modes of transportation in urban areas has led to a surge in interest in foldable electric bicycles. However, there are several challenges that need to be addressed in the design and implementation of these bicycles. The problem lies in the lack of optimized and affordable solutions that strike the right balance between portability, durability, and performance. Current foldable electric bicycles on the market often face limitations in terms of weight, cost, range, and overall design, hindering their widespread adoption and practicality for modern commuters. Therefore, there is a pressing need to conduct research and develop innovative approaches to overcome these challenges, focusing on the design, construction, and optimization of foldable electric bicycles that offer enhanced portability, extended range, improved affordability, and a seamless integration of electric propulsion systems. By addressing these issues, we can unlock the full potential of foldable electric bicycles as a sustainable and convenient solution for urban transportation.
The bicycle, a two-wheeled human-powered vehicle, has a rich and diverse background rooted in the quest for transportation efficiency and personal mobility. Its origins can be traced back to the early 19th century, when inventors and innovators sought to create a mode of transportation that was faster and less strenuous than walking. Over time, various designs and iterations emerged, each building upon the previous to improve performance and comfort. The introduction of chain drive systems in the late 19th century revolutionised the bicycle industry, enabling riders to efficiently transfer their energy to the wheels. As technological advancements continued, bicycles became more accessible, affordable, and widespread, becoming a popular means of transportation and a symbol of freedom and independence. Today, bicycles have evolved to cater to different needs, with specialised designs for commuting, racing, mountain biking, and more. They continue to play a vital role in modern society, offering environmentally friendly transportation options, promoting physical fitness, and serving as a versatile and practical means of getting around.
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