VISVESVARAYA TECHNOLOGICAL UNIVERSITY
JNANA SANGAMA, BELGAUM-590018, KARNATAKA
Project Presentation
On
REGENERATIVE BRAKING SYSTEM
Bachelor of Engineering
in
Mechanical Engineering
by
SAMARTH M V 1DB18ME052
RITHWIK RANJAN SHETTY 1DB18ME048
VISHNU RAJ B Y 1DB18ME071
LEO RUBAN 1DB19ME010
Under the Guidance of
Prof K M Kiran Kumar
DEPARTMENT OF MECHANICAL ENGINEERING
DON BOSCO INSTITUTE OF TECHNOLOGY
KUMBALAGODU, MYSORE ROAD, BANGALORE- 560074
2022-2023

Presentation on
Regenerative
Braking system

Samarth M V - 1DB18ME052
Rithwik Ranjan Shetty - 1DB18ME048
Leo Ruban - 1DB19ME010
Vishnu Raj B Y - 1DB18ME071
Guide:
K.M KIRAN KUMAR
Our Team

Table of
contents
Introduction
Objective
01
02
Literature review
methodology
04
05
06
07
08
Scope of project
Cost Estimation
Present Status
03 concept
conclusion
09

Introduction
• In recent years, there has been a lack of reliable alternative energy
sources. Increasing efficiency and reducing exhaust gas emissions
has become one of the key areas of focus in modern automotive
research.
• Regenerative energy technology is one of the key features of
electrified vehicles. It allows the vehicle to capture a tremendous
amount of the kinetic energy lost during braking or decelerating
for reuse.
• Energy recovery technology can significantly bring down the
energy consumption of electrified vehicles particularly in urban
operated routes.
• Regenerative braking recovers some of the kinetic energy that
would otherwise turn into heat and instead converts it into
electricity. In this system, the motor drives the wheels during
acceleration or cruising, but the wheels drive the motor while
decelerating.

Objective
• Demonstrate the use and general working principle of
regenerative braking system using a 4 wheel system.
• To control the speed of the vehicle as well as to stop it
quickly and efficiently without sticking.
• To show how regenerative braking behaves at
different speeds and show how it is more efficient at
high speed conditions.
• To demonstrate the various advantages of
regenerative braking like less wear on brake
components, increased fuel economy, efficiency,
environment friendly nature and its use outside the
automotive industry.

CONCEPT
• Regenerative braking technology funnels
the energy created by the braking process
back into the system in the form of
charging the battery for further use.
• In a regenerative braking system the
energy normally lost in the braking
process is transferred to the generator
from the rotating axel and then transferred
to the battery, thus saving energy

Literature Review
Authors Title Key Highlights
Sayed Nashit, Sufiyan Adhikari, Shaikh
Farhan, Srivastava Avinash and
Amruta Gambhire
Design, Fabrication and
Testing of Regenerative
Braking Test Rig for BLDC
Motor (2016)
• Regenerative braking is efficient at higher
speeds.
• Regenerative braking cant be used as the
only brakes.
Khushboo Rahim and Tanveer Regenerative Braking System:
Review Paper (2018)
• Regenerative Braking can work at high
temperature range.
• The more frequently a vehicle stops, the
more it can benefits from regenerative
braking.
Tushar L. Patil, Rohit S. Yadav,
Abhishek D. are, Mahesh Saggam,
Ankul Pratap
Performance
Improvement of Regenerative
braking system (2018)
• Reducing weight of automobile increases
regenerative braking efficiency.
• Super capacitors improve conversion rate of
energy in regenerative braking.
C. Jagadeesh Vikram, D. Mohan
Kumar, Dr. P. Naveen Chandra
Fabrication of Regenerative
Braking System (2018)
• Prescribed measures for fabrication.
• Future enhancements
A. Eswaran, S Ajith, V Karthikeyan, P
Kavin, S Loganandh
Design and Fabrication of
Regenerative Braking System
(2018)
• Explained benefits of regenerative braking over
conventional braking.

Methodology
Final Result
Make changes if necessary
Test and note down results
Fabrication and Assembly
Procurement of Components
Selection of Components
Design and Drawing
Literature Review
Selection of Topic

Block Diagram
• In ‘Fig a’ we can see drive condition. Here the
battery(energy sink) is powering the Motor which
drives the vehicle. Energy is moving in forward
direction.
• In ‘Fig b’ we can see regenerative braking system in
action. Here the kinetic energy produced under
braking is converted to electric energy and fed back
to the battery for future use. Here the motor is
working in reverse condition making it a generator.
Energy is moving in reverse direction.
Fig a
Fig b

Components
Name Function/Specification
Main Frame We are using L angle Mild steel bars for the main frame. Main frame
will support all the other components and act as chassis.
Shaft We are using 16mm Mild Steel bar as shaft which will act as the
driving axle.
Wheel We will be using 14 inch wheels.
Motor/Generator We will be using 12v DC motor which will be used to drive the
vehicle in forward direction and generate energy in reverse direction
Power Supply We will be using 12v, 4.5 AH battery to match the power
requirements of the motor. Battery will be used as the energy sink. It
will power the vehicle in forward direction and store energy in
reverse direction.

Components
Name Function/Specification
Braking Mechanism We will be using pedal brakes to perform the braking action
Rectifier We will be using a bridge wave rectifier to convert AC current
produced by the generator into DC current. It is a part of the control
electronics.
Diode We will be using a IN4007 3 amp diode. It is also a part of the
control electronics. Function diode is to make sure current flows in
one direction.

Successfully demonstrate the
working of regenerative
braking system using 4 wheel
system.
Explain the various uses of
regenerative braking in
automotive industry and
outside it.
Successfully demonstrate
how regenerative braking
improves efficiency and
saves energy.
Scope of Project

Make a more efficient system
that can save more wasted
kinetic energy.
Use ultracapacitors and
complex flywheels as energy
sink for much higher
efficiency
Make a regenerative braking
system that can function
independently without
friction braking.
Future Scope of
Project

Cost Estimation
Name Price in ₹
Main Frame, Shaft, Brakes and
Wheels
6000
Battery and Motor 3500-4000
Control Electronics and Wiring 1500
Labour(welding and cutting) and
Travelling
2000
Miscellaneous and Safety Budgeting 2000-2500
Total 15000-16000

● We are currently finalizing the design.
● We have acquired most of the necessary
parts which are design independent.
● We have found a few prospective places for
cutting and welding processes to make the
mainframe.
Present status

● The energy efficiency of a conventional brake is only about
● 20 percent with the remaining 80 percent of its energy being
converted to heat through friction.
● The important thing about regenerative braking is that it may
be able to capture as much as half of that wasted energy and
put it back to work.
● This reduces fuel consumption by 10 to 25 percent ,
● Hence regenerative braking system plays an important role in
fuel consumption and also in the fuel of speed.
conclusion

Thank You