Conference Papers

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    Hybrid Electric Bicycle with Regeneration Capability
    (Springer Science and Business Media Deutschland GmbH, 2021) Koppolu, P.K.; Cmc, K.; Jagtap, A.; Dharmadikari, R.; Gajare, T.
    This paper presents a method to make a hybrid electric bicycle by modifying the existing conventional bicycle keeping the ability to pedal. The cycle consists of a battery, motor drive, which comprises a DC–DC converter for the motor, as well as regenerative braking. This cycle has a unique feature of exercise mode where the user can charge the battery as in stationary cycles in the gymnasium. The bicycle covers 28 km with a maximum speed of 23 km/h. In one charge which is sufficient from a city point of view, where pollution and traffic congestion is a significant concern these days. This paper also presents mechanical designs, electronics design of DC–DC converter, power supply, and a microcontroller with test results. © 2021, Springer Nature Singapore Pte Ltd.
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    Estimation and Comparison of Saturation Flow at Signalized Intersection in Mixed Traffic Condition
    (Springer Science and Business Media Deutschland GmbH, 2022) Mahapatra, M.J.; Advani, M.; Ravi Shankar, A.U.
    Signalized intersections are the important part of urban road network. Capacity of signalized intersections has significant role in capacity of overall road network in an area. Accordingly, capacity estimation of signalized intersection and therefore the estimation of saturation flow values become an important aspect especially for Indian roads due to the presence of different types of vehicles and space sharing-based vehicular movement. This study extracts the saturation flow from the field data captured through videography and compares it with the saturation flow values estimated by various methods available in literature. Data have been collected at two signalized intersections; first one is a four-legged intersection, and other one is three-legged intersection. Approach width of all arms of both intersections ranges from 7.6 to 10.3 m. Both intersections are located on the main arterial road of Delhi, India, and at the distance of 1.1 km without any obstructions in-between. Saturation flow has been estimated through existing methods available in literature and compared with the developed model in this study. Proposed model indicates that with the increased width, saturation flow values also increase. Values estimated are closer to values obtained by Webster’s method. © 2022, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
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    Vehicle Re-identification Using Convolutional Neural Networks
    (Springer Science and Business Media Deutschland GmbH, 2023) Kedkar, N.; Karthik Reddy, K.; Arya, H.; Sunil, C.K.; Patil, N.
    Vehicle re-identification is the process of matching automobiles from one place on the road (one field of vision) to the next. Important traffic characteristics like the trip duration, travel time variability, section density, and partial dynamic origin/destination needs may be acquired by performing vehicle re-identification. However, doing so without using number plates has become challenging since cars experience substantial variations in attitude, angle of view, light, and other factors, all of which have a major influence on vehicle identification performance. To increase each model’s representation ability as much as feasible, we apply a variety of strategies that will bring a major change like using filter grafting, semi-supervised learning, and multi-loss. The tests presented in this paper show that such strategies are successful in addressing challenges within this space. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
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    A Detailed Case Study Report on a Section of Four-Lane National Highway Project of Bengaluru-Mangaluru
    (Springer Science and Business Media Deutschland GmbH, 2024) Srinivas, M.; Sinha, C.; Akshay, K.; Marella, D.
    A comprehensive study of the project titled “Four-laning of Bengaluru-Mangaluru from km 270 + 270 (Periya Shanthi) to km 318 + 755 (Bantwal)†was conducted to assess the project’s potential, necessities, and requirements. The evaluation also addressed the challenges encountered due to the project’s location in a mountainous terrain region. The major issue encountered and understood through this study was that the project is delayed more than usual due to many difficulties and challenges encountered by them under various circumstances. Based on the survey and research work done, it was understood that the region of Dakshina Kannada where the project is being done has high temperature during summers due to which ice cubes were used to maintain temperature for concrete batching. The objective of the project is to eliminate the hairpin bends which slowed down the traffic movement by straightening them to reduce congestion as there are many pilgrimage places, business hubs, and tourist places in the project vicinity. Some of the main reasons for the delay of the project was unseasonal rainfall, felling of trees, obstructing the Right of Way (ROW), the inability to move the utility units to the project site due to insufficient ROW, landslides, and many more reasons. Currently, the Extension of time (EOT) has been requested by the Contractor to NHAI, as the project has been delayed. This research paper further explores the detailed causes and gives a complete insight into the project. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.