The braking quality is considered the main execution of the adaptive control framework that impacts the vehicle safety and rides solace astoundingly notably the stopping distance. This research work aims to create a pattern and design of an electromechanically adjusted lever that multiplies the applied braking force depending on the inputs given by the sensors to reduce the stopping distance of the vehicle. It is carried out using two main parts of the two-wheeler vehicle: the first part deals with the detection of load acting on the vehicle and identifying the required braking force to be applied, and the second part deals with the microcontroller which activates the stepper motor for varying the mechanical leverage ratio from various loads on the vehicle using two actively movable wedges. The electromechanically operated variable braking force system is developed to actuate the braking system based on the load on the motorcycle. The MATLAB simulation and experimental work are carried out for various loading (driver and pillion) conditions on a two-wheeler. The results indicate that the proposed electronically operated braking system is more effective than the conventional braking system for various loads and vehicle speeds. Specifically, the stopping distance of the vehicle is decreased significantly by about 4.9% between the conventional braking system and the simulated proposed system. Further, the experimental results show that the stopping distance is condensed by about 4.1%. The validation between simulated and experimental results revealed a great deal with the least error percentage of about 0.8%.
This paper deals with the transient thermal analysis of brake disc of Variable Braking Force (VBF) system using computer software ANSYS. Generally, brake system is designed to apply frictional resistance to stop the vehicle. In VBF system the frictional resistance applied to the brake disc can be varied by changing the effective disc radius based on the pillion load. The rotor disc is commonly manufactured using cast iron (CI) or stainless steel (SS). In this work, these materials are taken for analysing the temperature distribution of VBF system. In addition to, an effort has been made here to suggest the best suited material for brake disc. By the way, it is evident that the rise in disc surface temperature is higher for VBF system compared with conventional system (constant effective disc radius (r) = 110mm).
Scarcity for water exists in many countries even though three fourth of the earth is covered by water. The reason behind this is the rapid growth of industry and population worldwide. Solar still is the only efficient solution for water problem in hot climatic conditional areas where there is scarcity of water and electricity. Solar still is a very simple solar device that is used for converting the available brackish water (Salt water) into potable water. The aim of this project is to analyze the performance of single basin single slope solar still by using acrylic sheet as casing as it has very low thermal conductivity of 0.2 W/mk, it helps in retaining the heat inside the solar still. The Aluminium fins are used as heat storage material since it has a high thermal conductivity of 167 W/mk which helps in conducting more heat to the brackish water. The working of the solar still is that when the solar radiations from the sun enter inside the solar still through the glass cover of thickness 3 mm due to which the aluminium fin which has higher thermal conductivity gets heated and conducts heat to the brackish water due to which pure water evaporate into water vapour and condenses on the glass cover and then gets collected in the water collector and passed into the measuring beaker through the outlet tube. It was found out that about 505 ml of water is obtained by placing the solar still on a sunny day from 7.00 AM to 7.00 PM.
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