@Vm motor&controller

Fiber Road Inc.

Project VM1. Introduction

2. BLDC Motor

2. Controller

3. Battery

New Performance1. Smart Driving Control

2. Long Drive Distance

2. Heavy Weight on Board

| Corporate Identity

ValueValue- The paradigm of human-centric

- Space-time of the Revolution

- Convergence and Integration in industrial tow

TechnologyTechnology- Power Brain

- Low-carbon,

high-efficiency

-GT + IT + CT + Services

InnovationInnovation- Eco friendly means of transportation

-Wellbeing lifestyle

- Smart grid

| Business Domain

Smart BikeSmart Bike

NEV/Recreational EVNEV/Recreational EV

SW/ServiceSW/Service

ControllerController

-E-bike-Smart bike kits-E-Scooter

-Tricycle NEV-Electric car (Public welfare NEV )-Recreational EV (Park, Kids, Rail EV)

-Real time EVMS (Vehicle management -LBS based EVIS (Local tourist information)-Personalized Driver System

-IGBT

-BMS (Battery Management System )

e-bike | New Technologies

USB Charge System

Digital ControlElectric Semiconductor

(IGBT)

Power & Smart Battery

Maximizing drive performance (Advanced BLCD motor applied )Motor of designs using the wheel hub space.

Personalized Driver System

Maximizing drive performance

1.1. BLDC motor

* * Technological Merit from VM Motor Technological Merit from VM Motor - Higher Torque, Speed from Lower to High Band.- Higher Torque, Speed from Lower to High Band. - Easier Electric Driving Maintenance, Make Longer Lifespan of Device, Remarkably Decrease - Easier Electric Driving Maintenance, Make Longer Lifespan of Device, Remarkably Decrease Electronic also Mechanical Noise.Electronic also Mechanical Noise. - Eliminate Disadvantageous of Conventional Electric Resistance Types in Controlling Method - Eliminate Disadvantageous of Conventional Electric Resistance Types in Controlling Method such as Sliding Abrasive Torque, Loose Contact due to Abrasion also Corrosion, such as Sliding Abrasive Torque, Loose Contact due to Abrasion also Corrosion, Poor Operation.Poor Operation. - Possible to Match in Switching Electronic Circuit with Next Generation Semiconductor. - Possible to Match in Switching Electronic Circuit with Next Generation Semiconductor. - Controlling Efficiently by Smart Response (Improve Efficiency 20-30% to Existing Products) - Controlling Efficiently by Smart Response (Improve Efficiency 20-30% to Existing Products)


1.2. BLDC motor

• System ConfigurationSystem Configuration


Motor & Controller Specification – 36V version (VM385)

I tem Voltage Current TorqueRevoluti

onInput

PowerOutput Power

Efficiency

Unit [Vdc] [A] [N.m] [RPM] [W] [W] [%]

Max. Eff. Power 36.0 9.8 12.0 221 352.8 277.8 78.8

Max. Power 36.0 13.7 21.5 160 491.9 360.4 73.3


MOTOR SPECIFICATION

Unit Descript ion

MOTOR

Structure

Motor Type -Brushless Geared Motor (Gear Ratio =

8.75:1)Rotor Type - IPM (8pole)

Motor Size [mm] Ø129 * L90

Sensing Type - Hall IC

PerformanceMax. Power [W @V] 360 @36

Stall Torque [N.m @V] 38 @36

Environment

Operating Temp. [ ]℃ -30 ~ 120

Not in use Temp. [ ]℃ -40 ~ 150

IP Protection - IP65

LOAD CHARACTERISTICS

Nominal

Voltage [V]

Output

Power [W]

Speed Torque

[N.m]

Cur.

[A]

Eff.

[%]

Application

(Wheel size)

[rpm[km/h]

Rating Spec.

36.0 177.4 242 23.1 7.0 6.4 76.8 20”~22”

36.0 254.5 225 25.8 10.8 9.0 78.5 24”

36.0 277.8 221 27.0 12.0 9.8 78.8 26”


CHECKING DIMENSION

MOTOR Drawing

Digital Control

* Major Benefit from Adapting IGBT Digital Controlling Chip* Major Benefit from Adapting IGBT Digital Controlling Chip ( There are 2 major types of Controlling Technologies, ( There are 2 major types of Controlling Technologies, One is Analog Types in using Variable Resistance, Another is that Digital Controlling Types One is Analog Types in using Variable Resistance, Another is that Digital Controlling Types in using IGBT Semi-conductor Chip )in using IGBT Semi-conductor Chip ) - Adapting Semi-conductor Chip (IGBT) type of Controlling Brains - Adapting Semi-conductor Chip (IGBT) type of Controlling Brains - Improve 20%-30% of Performance Efficiency with BLDC Motor - Improve 20%-30% of Performance Efficiency with BLDC Motor - Smart Response- Smart Response - Less Electric Consumption, Reduce 50% of Heat Emittance.- Less Electric Consumption, Reduce 50% of Heat Emittance. - Scalability to the next ICT (Information Convergence Technology) Application as - Scalability to the next ICT (Information Convergence Technology) Application as LBS (Location Based Service), AR (Augmented Reality) USB Charging. LBS (Location Based Service), AR (Augmented Reality) USB Charging.

2.1. Controller

Digital Control

2.2. Controller

CONTROLLER SPECIFICATION

Functions Descript ion Remark

Operating Voltage[V] 31.5 ~ 42.0

Current Limit[A] Available (14.5±5%) Hardware l imit

Low Voltage Control Off[V] 31.5

Speed Control Input Voltage[V] 0.8 ~ 4.3 3 PIN

Control Mode PWM PWM Control & Soft Start

IP Protection IP54

Short Circuit Protection To be applied

Size (mm) 32 * 58 *89


3. Battery


3.1.Li-ion Battery ( Sam Sung SDI )


ITEMS / Calculated Cycle Life ITEMS / Calculated Cycle Life

DOD100% / DOD100% / >> 1,400cycles(Full Discharge)1,400cycles(Full Discharge)

DOD 80% / DOD 80% / >> 2,500cycles(Partial Discharge)2,500cycles(Partial Discharge)

DOD 20% / DOD 20% / >> 11,500cycles(Shallow Discharge)11,500cycles(Shallow Discharge)

-Criteria : Until 80% of Initial Discharge CapacityCriteria : Until 80% of Initial Discharge Capacity

( Based on Real Test )( Based on Real Test )

- Description : Fitting function : DOD80%- Description : Fitting function : DOD80% : y = -(0.98E-7)x2-(5.46E-3) x +100 : y = -(0.98E-7)x2-(5.46E-3) x +100

: Fitting function: DOD20%: Fitting function: DOD20% : y = -(1.697E-3)x +100.07 : y = -(1.697E-3)x +100.07 ( Expected Cycle Times )( Expected Cycle Times )

3.2. Battery Option

# Option 1 - Li-Polymer Battery


Characteristics of Cycle Life based on 100% to 80%-20% Depth of Discharge (DOD)Characteristics of Cycle Life based on 100% to 80%-20% Depth of Discharge (DOD)

3.2. Battery Option

# Option 1 - Li-Polymer Battery


3.3.. Battery Option

0

10

20

30

40

50

60

70

80

90

100

Bat t ery Li f e

Output

l ead

l i t hi um i on

l i t hi umphosphat e

# Option 2 - Li-FePO4 Battery

•Major Benefit

- Increasing Charging Occasion 2,000 times

•- Elongate Battery Cycle up to 80% until 2,000 times of Charge

•- Lighter 60% to Ni- MH Battery

e-bike | New Performance

Smart e bike | The finest well-being bike

Battery

Maximum distance

Weight on board

Maximum speed

Control device

Price

VM Competitors

LiMn04 battery (*some products excluded)

Under 50km (PAS)

Under 100kg

25km/h~ 27km/h (speed limit unadjustable)

Physical torque detectable PAS

$1,200 - $3,500

LifePo4 battery (*some products excluded)

MTB, CITY: 90km (PAS)MINIVELO: 80km (PAS)

MTB, CITY: 125kgMINIVELO: under 90kg

25km/h or 35km/h (speed limit adjustable)

Optical electron PAS, electric semiconductor adopted

Approx. 60-80% pricing level among its competitors

Weight on board Max drive distance Performance

VM

Competitors

Heavy Weight on Board

Heavy Weight on Board

- Frame | High-carbon steel or Alloy aluminum - Frame | High-carbon steel or Alloy aluminum

- Brake | Alloy aluminum disc brake or roller brake- Brake | Alloy aluminum disc brake or roller brake

- Derailleur | Japanese Shimano product- Derailleur | Japanese Shimano product

@Vm motor&controller

Automotive

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