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Inside this issue:

Volume 4, Issue 1, July 2017

The Second Graduation Meet for the batch 2012-16 batch was held on

24.6.17 at Jeppiaar Institute of Technology, Kunnam. The Graduation day

was facilitated by Mr. Sujith Kumar HR, Business Leader – Infosys,

President-National HRD network, Chennai Chapter, Founder and Manag-

ing Trustee- Maatram Foundation and Dr. N.Marie Wilson, Director,

Jeppiaar Institute of Technology.

2nd Graduation day 1

ASME Event 3

IEEE RAS Event 3

Upcoming Events 4

3D Printing in Tur-bines of Rolls

6

RQ-1 Predator MAE 8

Electric Cars 10

Facts about Google

Driverless Car

12

Do you know ??

1.The “Traub,” the rarest

motorcycle in the world.

2.Hitler designed the proto-

type of Beetle design for

Volkswagen.

3.The Four Rings in the AUDI

Logo represent the FOUR

companies of AUTO UNION.

Mech’o facts: Brain Waves Department of Mechanical Engineering

JEPPIAAR INSTITUTE OF TECHNOLOGY

“Self Belief. Self Discipline. Self Respect”

VISION

“Jeppiaar Institute of Technology aspires to promote

futuristic technical education with the perspective of

innovative industrial and social application for the

betterment of humanity".

Brain Waves– The Mechanical Newsletter Volume 4, Issue 1

Volume 4, Issue 1 July 2017

The Chief Guest awarded the graduates and the Anna University Rank holders and

appreciated each and every student for their performances. A special appreciation was

made to the university rank holders - Ms. Romeroa Joan.S (ECE), Brinda Manuel (EEE),

Mr. Ganesh S (CSE) , Ms. Umayal A.L (ECE). The other students who created academic and

overall excellence in each department were given away with the Jeppiaar Remibai Educa-

tional trust awards.

Ms.Bhavithra.N Department of CSE- Mother Teresa Award,

Ms. Rahini S Department of CSE- Col. Dr. Jeppiaar Award,

Ms.K. Kaviya Priya Department of EEE- Sir C.V Raman Award

Mr. Anbu Selvan Department of Mechanical, Dr. M.G.Ramachandran award,

Mr.Ranjith S. Department of ECE- Dr. A.P. J Abdul Kalam Award,

Ms.Reeth Pemmaiah K Department of IT – Kalpana Chawla Award.

Mr. Anbu Selvan Department of Mechanical received Dr. M.G.Ramachandran award,

Volume 4, Issue 1 July 2017 Volume 4, Issue 1

Proposed Event calender (2017 -2018)

Proposed Event calender (2017 -2018)

S.No Proposed Date Name of the Event

1 03-07-17 INTERROGATE

2 21-07-17 GROUP DISCUSSION

3 31-07-17 NEWSLETTER “BRAIN WAVES”

VOL 4 ISSUE I –RELEASE

4 04-08-17 MATERIAL IDENTIFICATION

5 21-08-17 3D PRINTING & DRONE WORKSHOP

6 11.-10-17 NEWSLETTER “BRAIN WAVES”

VOL 4 ISSUE II –RELEASE

Date Event Name Description

30-06-2017 TECH CONNECT Technical Quiz

14-07-2017 PAPER PRESENTATION Presentation on Technical Pa-

per

09-08-2017 MATHS PROBLEM SOLVING Mathematical Problem Solving

18-08-2017 NITRO CAR WORKSHOP RC Nitro Car – Workshop

Brain Waves– The Mechanical Newsletter

Article Name : Upcoming Mechanical Engineering Events

Article by : Ramachandran s

Article’s Corner


Start Date Fest Name Fest Type College Name & City

31 Jul 2017 OPUZELEK 2k17 Symposium RMK College of Engineering and

Technology

Chennai

03 Aug 2017 One day Workshop with Hands

-on Training on Real Time Pro-

ject Design using ARDUINO:

Tools and Techniques

Technical, Workshop, Con-

ference, Seminar, Training

Kongu Engineering College

Erode

05 Aug 2017 One Day International Work-

shop on Networking Network

2017

Workshop Top Engineers

Chennai

05 Aug 2017 Indian Space Conclave 2017 Technical, Workshop, Con-

ference, Online, Entrepre-

neurship Summit, Conclave

VIT University

Vellore

08 Aug 2017 M.A.R.S 2k17 Technical, Symposium Sri Sairam Engineering College

Chennai

09 Aug 2017 AURA 17 Cultural, Sports, Literary Pondicherry Institute of Medical

Sciences

Pondicherry

09 Aug 2017 Zenista 2k17 Technical, Symposium Sri Sairam Engineering College

Chennai

11 Aug 2017 Two Days National Level Work-

shop on Mobile Robotics

Workshop K Ramakrishnan College of Tech-

nology

Trichy


Start Date Fest Name Fest Type College Name & City

12 Aug 2017 One Day International Workshop

on Power Electronics 2017


Chennai


on Arduino 2017


Chennai

12 Aug 2017 CNC Workshop 2017 Technical, Workshop, Train-

ing

PSG College of Technology

Coimbatore


on Aerodynamics Speed 2017


Chennai


on Internet of Things IoT 2017


Chennai

19 Aug 2017 Workshop on Automobile Suspen-

sion System 2017

Technical, Workshop Government College of

Technology Coimbatore

Coimbatore

27 Aug 2017 Android Dev+ Proteus PCB Simu-

lation + Microsoft .NET App [One

Day Practical Training Workshops

with Certificates]

Technical, Workshop, Semi-

nar

Engineering Forum

Chennai

16 Sep 2017 One Day International Workshop

on Robotics (Robot-2017)


Chennai


on Embedded System (System-

2017)


Chennai


on Dismantling and Assembling of

IC Engines (Assemble-2017)


Chennai

Parts of Rolls-Royce engines powering passenger jets could soon be made by 3D

printers. The British firm says the technique could allow it to produce complicated com-

ponents more quickly and cheaply.

The 3D printers, some which will fit on to a desktop, create three-dimensional ob-

jects rather than 2-dimensional images on a page.

Rolls-Royce head of technology strategy Dr Henner Wapenhans said: ‘One of the

great advantages in the aerospace world is that some of these parts that we make have

very long lead times because of the tooling process.

Dr Wapenhans said Rolls-Royce could also make cost savings because it would not

need to spend money to store key parts but could ‘print’ them as required.

Sales of 3D printers soared last year to £1.5billion and is expected to hit £4billion by

2017, say City experts at analysts Wohlers.

3D printers have begun to move into mass production in recent months. High

street electronics store Maplin is selling the first version on the high street for £1,600.

The technology dates back to the 1980s when 3D printers used plastics. But the latest

versions of the technology is capable of building complex shapes from ceramics and met-

al.


3D Printing in Turbines of Rolls Royce

- Kumaraswamy R (Third Year)



They can be programmed to create a

host of items, from sports shoes ton hip-

replacement and hit the headlines recently

amid claims they were being used to manufac-

ture parts for guns.

Scientists are even experimenting with the technology with a view to using cells

to create spare body parts and organs. Pupils in UK schools are also to be taught

to experiment with the technology under new Government plans to drive up standards

in subjects such as maths and science. London’s Science Museum is currently exhibiting

600 3D printed objects.

Rolls-Royce plc chief executive John Rishton has vowed to crack down on costs in

a bid to keep up with arch-rivals in the aero-engine world such as US giant General

Electric which also plans to use 3D printers, including to form fuel nozzles for jet en-

gines. German electronics giant Siemens and car-maker and aero-engine manufactuer-

er BMW are also developing 3D printing applications. Suzy Antoniw said: ‘3D printing en-

ables engineers and designers to manufacture things they couldn’t make with tradition-

al methods. Every day we learn about new ways in which people from across society

are capitalizing on the technology to realize their ideas and enrich people’s lives.’

Gas Turbine Power Plant


RQ-1 Predator MAE UAV - - Hari Vignesh N (Second Year)


The Predator Medium Altitude Endurance (MAE) Unmanned Aerial Vehicle

(UAV) was developed as an Advanced Concept Technology Demonstration (ACTD) from

January 1994 to June 1996. The Predator system is composed of three parts: the air vehi-

cle [a derivative of the Gnat 750 with its associated sensors and communications equip-

ment, the ground control station (GCS), and the product or data dissemination system.

One Predator system has four air vehicles with sensors and data links, one Ground Con-

trol Station (GCS), and one Trojan Spirit II SATCOM system.

The air vehicle is a mid-wing monoplane with a slender fuselage housing the

payload and fuel, a high aspect ratio wing, and inverted-V tails. A four-cylinder Rotax en-

gine that requires 100-octane aviation gas powers the air vehicle. According to the Air

Force Fact Sheet, RQ-1A needs 5,000 by 125 feet of a hard surface runway. In addition, the

vehicle requires line-of-sight with the GCS and all support components for the Predator

system must be at a single location.

The global drone market could be worth $127 billion by 2020.

Domino’s conducted a test with drone which they called the ‘DomiCopter’

to deliver pizza. The Domicopter flew for 10 minutes and successfully delivered its pre-

cious cargo.


The air vehicle can be broken-down into six primary parts and packed into a

container known as the "coffin." The satellite communication system consists of a 20-foot

satellite dish and its associated support equipment. This satellite system is especially im-

portant because is provides the Predator aerial vehicle to communicate beyond line-of-

sight with its GCS. The benefits of this component system are that it can be easily de-

ployed around the world.

The sensors include an electro-optic/infrared (EO/IR) Versatron Skyball

Model 18 with a zoom lens and a spotter lens, and a Westinghouse 783R234 synthetic ap-

erture radar (SAR). The ground control station consists of a pilot position and a payload

operator position, which are interchangeable, a Data Exploitation, Mission Planning and

Communications (DEMPC) position where imagery is annotated and initially exploited, and

a SAR workstation. The GCS is housed in a 30 ft x 8 ft x 8 ft commercial van.

Unmanned Aerial Vehicle (UAV)

Twenty years on, gas is still relatively cheap and we’ve still not reached the

ion-fueled future The Jetsons promised, but we’re getting closer. The Chevrolet Bolt

touches down in a different world, one that is edging toward the point where EVs start to

make sense to people other than the sort of folk who campaign against cruelty to fruit.

The Bolt isn’t an excuse-free electric car, but it earns its place on the 10Best list by being

the one that comes closest to rebutting two of the biggest criticisms that have been lev-

ied against the genre: expense and range.

The Bolt was also the only EV in this year’s test. We would love to tell you

how it compared with the pricier and glitzier Tesla model S, but despite our repeated re-

quests, Tesla refused to supply us with a car and thereby failed to defend its 10Best berth.

We’ve since changed our cologne and started to chew mints.The Bolt is inexpensive but

still a pricier proposition than conventional internal-combustion rivals, arriving at its

$29,995 price tag only after the $7500 federal EV tax credit gets factored in.

The first gasoline-electric hybrid car was sold by Woods Motors of Chicago.

Robert Anderson invents the first crude electric carriage powered by non-

rechargeable primary cells. American Thomas Davenport is credited with build-

ing the first practical electric vehicle -- a small locomotive.

Brain Waves– The Mechanical Newsletter Volume 4, Issue 1 July 2017

Electric Cars

- - Gokul Kumar S (Third Year)


The Bolt delivers, too. We’d already beaten its 238-mile EPA rating on a coastal

California drive in a prototype before this production-spec Bolt came to play, but its arri-

val at our campsite still triggered an unseemly scramble from our judges. We were drawn

to its novelty, but many of us were also motivated by the experience of EVs in previous

years that started to run short of charge long before we started debating what to have

for lunch. Would the Bolt fizzle out, too? Despite a week of scientifically applied abuse,

dozens of laps of the test loop, and several trips farther afield, the Bolt never ran short of

juice, needing only to be recharged each night. You can pretty much whale on it and still

expect 180 miles from the e-tank, although faster cruising does gobble charge.(At road

test it confirm 93 mph speed limiter)

The Bolt battery pack’s 60-kWh capacity means it’s big, constituting 960 pounds of

the Bolt’s overall 3569-pound curb weight. That makes the car heavier than both the Leaf

and the carbon-bodied i3, but about 750 pounds lighter than the elephantine Tesla Model S

60. The Bolt doesn’t feel so portly in everyday use, riding well and handling with tidy if dis-

interested precision.

Electric Car

Brain Waves– The Mechanical Newsletter Volume 4, Issue 1 July 2017

L A S E R R A N G E F I N D E R :

The heart of Google’s self driving car is the rotating roof top camera, Lidar,

which is a laser range finder. This device calculates how far an object is from the moving

vehicle based on the time it takes for the laser beams to hit the object and come back.

These high intensity lasers can calculate distance and create images for objects in an im-

pressive 200m range.

F R O N T C A M E R A F O R N E A R V I S I O N :

A camera mounted on the windshield takes care of helping the car ‘see’ objects

right in front of it. These include the usual suspects- pedestrians, and other motorists.

This camera also detects and records information about road signs and traffic lights,

which is intelligently interpreted by the car’s in built software.

B U M P E R M O U N T E D R A D A R :

The radar sensor on the car’s bumpers keeps a ‘digital eye’ on the car ahead. The

software is programmed to (at all times) maintain a distance of 2-4 seconds (it could

even be higher) vis-a-vis the car ahead of it. Google’s self-driving cars use this technol-

ogy to keep passengers and other motorists safe by avoiding bumps and crashes.

Interesting Facts about Google Driverless Car

- Abdul Halik M I (Third Year)


A E R I A L T H A T R E A D S P R E C I S E G E O - L O C A T I O N :

An aerial on the rear of the car receives information about the precise location of

the car, thanks to GPS satellites. The car’s GPS inertial navigation unit works with the

sensors to help the car localize itself. As the vehicle moves, the vehicle’s internal map is

updated with new positional information displayed by the sensors.

U L T R A S O N I C S E N S O R S O N R E A R W H E E L S :

An ultrasonic sensor on one of the rear wheels helps keep track of the movements

of the car and will alert the car about the obstacles in the rear. These ultrasonic sen-

sors are already in action in some of the technologically advanced cars of today. Cars

that offer automatic ‘Reverse Park Assist’ technology utilize such sensors to help navi-

gate the car into tight reverse parking spots. Typically, these sensors get activated

when the car is engaged in the reverse gear.

Sensor on Rear Wheel

Brain Waves– The Mechanical Newsletter Page 14

D E V I C E S W I T H I N T H E C A R :

Inside the car are altimeters, gyroscopes, and tachymeters that determine the

very precise position of the car thanks to the various parameters they measure. This

offers highly accurate data for the car to operate safely.

S Y N E R G I S T I C C O M B I N I N G O F S E N S O R S :

All the data gathered by these sensors is collated and interpreted together by the

car’s CPU or in built software system to create a safe driving experience.

P R O G R A M M E D T O I N T E R P R E T C O M M O N R O A D S I G N S :

The software has been programmed to rightly interpret common road behaviour

and motorist signs. For example, if a cyclist gestures that he intends to make a ma-

noeuvre, the driverless car interprets it correctly and slows down to allow the motor-

ist to turn. Predetermined shape and motion descriptors are programmed into the

system to help the car make intelligent decisions. For instance, if the car detects a 2

wheel object and determines the speed of the object as 10mph rather than 50 mph,

the car instantly interprets that this vehicle is a bicycle and not a motorbike and be-

haves accordingly. Several such programs fed into the car’s central processing unit

will work simultaneously, helping the car make safe and intelligent decisions on busy

roads.



M A P P I N G I N A D V A N C E :

At the moment, before a self-driven car is tested, a regular car is driven along the

route and maps out the route and it’s road conditions including poles, road markers,

road signs and more. This map is fed into the car’s software helping the car identify

what is a regular part of the road. This map is fed into the car’s software helping the

car identify what is a regular part of the road. As the car moves, its Velodyne laser

range finder kicks in and generates a detailed 3D map of the environment at that mo-

ment. The car compares this map with the pre-existing map to figure out the non-

standard aspects in the road, rightly identifying them as pedestrians and/or other mo-

torists, thus avoiding them.

P R O G R A M M I N G R E A L L I F E R O A D B E H A V I O U R :

Google engineers have programmed some real life behaviour in these cars. While the

vehicle does slow down to allow other motorists to go ahead, especially in 4 way inter-

sections, the car has also been programmed to advance ahead if it detects that the

other vehicle is not moving.

google driverless car

Jeppiaar Institute of Technology

Editorial Board

1. Chief Mentor : Dr.N. MARIE WILSON B.Tech., M.B.A., Ph.D.

Director, Jeppiaar Institute of Technology.

2. Coordinator : Dr.D. MURUGANANDAM, HOD, Mechanical Dept.

3. Chief Editor : ABDUL HALIK M I (Third Year)

4. Co-Editors : 1.KUMARASWAMY R (Third Year)

2.HARI VIGNESH N (Second Year)

NEWSLETTER PUBLICATION SCHEDULE : JULY, OCTOBER, JANUARY, APRIL.

Mail your articles and Feedback to [email protected]

BRAIN WAVES, MECHANICAL DEPARTMENT, JIT, CHENNAI

Jeppiaar Nagar, Kunnam, Sriperumbudhur tk,

Chennai-631 604

Ph. No: 044-27159000

www.jeppiaarinstitute.org

What’s in our next issue?

1. Downsizing and Turbocharging.

2. Google Driverless Cars.

3. V2V Communications.

4. Hovering Cars.

5. Pre-Collision Technology.

"Self Belief. Self Discipline. Self Respect"

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