trainee

Contents
Cover Page I
Certificate II
Acknowledgements III
Abstract IV
List of Figures 2
1. Introduction 3 1.1 Braking Theory 4 1.1.1 Braking Force 4 1.1.2 Braking Distribution 4
2. Regenerative Braking System 8 2.1. Necessity Of RBS................................................................................................8 2.2. Detail Study of Concept of RBS 10 2.3. Working Of standard RBS 14 2.4. Elements Of the System 15 2.5. Different Types Of Regenerative Brakes………………………………………………17 2.6. Design requirements of RBS 22 2.7. The IMA principle 23
3. Comparison of Dynamic brakes & Regenerative brakes 24
4. Advantages & Disadvantages of RBS over conventional braking..............................25
5. Regenerative Braking Assisted with Frictional Braking..............................................27
6. Conclusion.................................................................................................................28
7. Reference..................................................................................................................29
List of figures
Figure. No.
Description
Page No.
1
Forces acting on an automobile during braking
5
2
Ideal Braking Forces on the Front & Rear Axle
6
3
Plot of the Actual Braking distribution & the Ideal Braking.
7
4
Graphical Representation of energy usage b/w two vehicles.
8
5
Basic Concept Of Regenerative Braking System
10
6
Working of Std RBS
14
7
Key components of RBS
17
8
Energy drawn from batteries during drive mode
18
9
Batteries charged during brake mode
18
10
Hydraulic Regenerative Brake (HRB)
20
11
Regenerative braking using nitlon spring
22

1.Introduction:-
Brakes are employed to stop or retard the motion of any moving body. Thus, in automobiles the brakes are having the most important function to perform. In conventional barking system the motion is retarded or stopped by