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CAN-based Electric Bicycles Control and Supervision

Ahmed RACHID, Mohamed DAHBI, Said DOUBABI

Université de Picardie Jules Verne & Université Cadi Ayyad

FACULTY OF ENGINEERING TECHNOLOGY TECHNOLOGY CAMPUS GHENT

Presented by : Mohamed DAHBI 10/06/2016 1

1 • Introduction

2 • Advantages and limits of an electric bike

3 • Solution and limits of usual controllers

4 • The proposed CAN bus-based architecture

5 • In-wheel drive Control Module

6 • Battery module

7 • Solar panels module

8 • Conclusion et Perspectives

OUTLINE OF PRESENTATION

2

Introduction

Electric Bikes

Police and

Law

enforcement

Displacements

for

short distances

Touristic

tours

to

different

areas

3

The autonomy and long time of charging

Advantages and limits of an electric bike

4

V2X communication

The results obtained demonstrate that the use of V2X

communications in the context of electric bicycles may

lead to significant energy savings.

5

To achieve such control and traffic management, an

adequate controller is required

500W 1500W

6

Proposed CAN bus-based architecture

CAN Bus

I2C Bus

NO CAN

Bus

ECU 1 Wheel drive

ECU 2 Batteries

ECU 3 Solar panels

Arduino card

Master I2C arduino

Master I2C CAN-I2C

7

Displayed parameters

Energy given to the motor

Battery temperature

Left range

The driven and cumulated

mileage

Time and date

Battery state of charge (SOC)

Light management

Energy given to the batteries

from solar panels 8

Proposed CAN bus-based architecture

Instantaneous speed

Battery Module

Measures the batteries temperature, voltages and the current to

estimate the battery SOC.

9

Battery Module architecture

10

In-wheel drive Control Module

Electric motor and transmission Chain in-wheel motor

- It requires less maintenance (no brushes)

- Higher efficiency

- Higher Weight / Power ratio

- Higher torque / current ratio

- Less clutter ...

11

The Stator: (Fixed part of the motor) consisting of three phases each comprising a number of winding turns

The Rotor: (Rotating part of the motor) consists of a number of permanent magnets alternating between south and NORD.

Hall effect sensors: Placed on the foxed part of the motor (the stator) and delivers a combination of signals as an image of the rotor position

12

In-wheel drive Control Module

In-wheel drive Control Module architecture

Solar panels module

14

Conclusion et Perspectives

Advantages and limits of an electr electric bike

The proposal CAN bus-based architecture

Electric bike modules

Practice and implementation

15

THANK YOU

FOR

YOUR

ATTENTION

ANY QUESTIONS ??

16

CAN-based Electric Bicycles Control and Supervision

Ahmed RACHID, Mohamed DAHBI, Said DOUBABI

Université de Picardie Jules Verne et Université Cadi Ayyad

rachid@u-picardie.fr

dahbi.mohamed2@gmail.com

s.doubabi@uca.ac.ma

FACULTY OF ENGINEERING TECHNOLOGY TECHNOLOGY CAMPUS GHENT

Presented by : Mohamed DAHBI 10/06/2016 17