Explained about what is automatic transmission in automobiles, their types, components used in automatic transmission and their functions in Automobile Industry.
Explained about what is automatic transmission in automobiles, their types, components used in automatic transmission and their functions in Automobile Industry.
Active suspension System of Automobiles.Mayank khare
An active suspension system,has the capability to adjust itself continuously to changing road conditions. It "artificially" extends the design parameters of the system by constantly monitoring and adjusting itself, thereby changing its character on an ongoing basis. It's schizophrenic, if you will, but with a purpose. With advanced sensors and microprocessors feeding it information all the time, its identity remains fluid, contextual, amorphous. By changing its character to respond to varying road conditions, active suspension offers superior handling, road feel, responsiveness and safety.
Automatic Transmission and its Types.
In this presentation you will be able to clear out your concepts of Automatic Transmission under the subject Automobile Engineering. It covers working of Automatic Transmission, its Principle and the types.
Transmission is a part of the car which connects the engine to the wheels. When car speeds up, the engine can not speed up in the same proportion, so there are gears involved which match the engine speed to the wheel speed so that we can drive faster or slower than the engine speed.
Electronic Power Steering (EPS) by Gaurav RaikarGauravRaikar3
This presentations describes electronic power steering types.
1.Hydraulic power steering system(HPS)
2.Electro-hydraulic power steering system(EHPS)
3.Electronic power system(EPS)
Active suspension System of Automobiles.Mayank khare
An active suspension system,has the capability to adjust itself continuously to changing road conditions. It "artificially" extends the design parameters of the system by constantly monitoring and adjusting itself, thereby changing its character on an ongoing basis. It's schizophrenic, if you will, but with a purpose. With advanced sensors and microprocessors feeding it information all the time, its identity remains fluid, contextual, amorphous. By changing its character to respond to varying road conditions, active suspension offers superior handling, road feel, responsiveness and safety.
Automatic Transmission and its Types.
In this presentation you will be able to clear out your concepts of Automatic Transmission under the subject Automobile Engineering. It covers working of Automatic Transmission, its Principle and the types.
Transmission is a part of the car which connects the engine to the wheels. When car speeds up, the engine can not speed up in the same proportion, so there are gears involved which match the engine speed to the wheel speed so that we can drive faster or slower than the engine speed.
Electronic Power Steering (EPS) by Gaurav RaikarGauravRaikar3
This presentations describes electronic power steering types.
1.Hydraulic power steering system(HPS)
2.Electro-hydraulic power steering system(EHPS)
3.Electronic power system(EPS)
How Automatic Transmission Works In VehicleEuroautomotive
Cars with automatic transmission are now very popular as they are very easy to operate no matter whether you are in short or long trip. Transmission is a very complex component which multitasks to operate the vehicle properly. There are 2 types of automatic transmission found in vehicles--Front wheel drive cars and Rear wheel drive cars. Here is the detailed view on how actually the automatic transmission works. Check the slides.
Automatic transmission gearbox with centrifugal clutcheseSAT Journals
Abstract
The various developments in the automobile field are going on increasing; hence we have also tried to modify the transmission system of light weight vehicles such as motorbikes for simplicity in driving the vehicle in an efficient way. The disclosure herein is concerned with an automatic transmission gearbox with centrifugal clutches which operates automatically as engine speed (RPM) goes on increasing. In this work we have designed and manufactured the automatic gearbox model which consists of gear assembly with three different gear ratios and centrifugal clutches of various spring tensions, which driven by electric motor. This gearbox overcomes disadvantages of Continuous variable Transmission (CVT) system by replacing belt and pulleys with centrifugal clutches and gear assembly, which is more compact and avoids loss of power when operating at high speed. Also it is light in weight, efficient, reliable, less time consuming and economical of manufacturing.
Keywords: Transmission system, Centrifugal clutch, Automatic gearbox, CVT.
Mercedes is one of the luxury car in auto industry, its comfort and better interior design give a better drive to users. As per use of the car, its proper maintenance also required, transmission is a measure part of any car or vehicle so always do regular maintenance in proper time for a long life of the car.
Automatic gear transmission system is the most advanced system in which drives mechanical efforts are reduced very much and different speeds are obtained automatically. This system is generally also called hydramatic transmission. It contain epicyclic gear arrangement, fluid coupling and torque converter.
Introduction to Automatic Transmission System, its types; Front Wheel Drive and Rear Wheel Drive, Components of Automatic Transmission System; Torque Converter, Clutch Packs, Bands, Hydraulic system, Computer Controls, and Conclusion.
The transmission is a device that is connected to the back of the engine and sends the power from the engine to the drive wheels. An automobile engine runs at its best at a certain RPM (Revolutions per Minute) range and it is the transmission's job to make sure that the power is delivered to the wheels while keeping the engine within that range. It does this through various gear combinations.
In first gear, the engine turns much faster in relation to the drive wheels, while in high gear the engine is loafing even though the car may be going in excess of 70 MPH. In addition to the various forward gears, a transmission also has a neutral position, which disconnects the engine from the drive wheels, and reverse, which causes the drive wheels to turn in the opposite direction allowing you to back up.
Servomotor based electronic steering system in four wheeler vehicles by means...eSAT Journals
Abstract
In Olden Days Steering Mechanisms Developed To Turn A Vehicle At A Certain Radius While Negotiating A Turn Had A Greater
Steering Gear Ratio. For A Small Rotation Of The Steering Gear The Steering Wheel Had To Be Given A Greater Effort For
Larger Degree Of Rotation Than That Of The Steering Gear Inorder To Develop Torque For Turning The Vehicle. To Reduce The
Effort At The Steering Wheel, Power Steering Was Developed In The 18th Century. It Not Only Made Steering Easier But Also
Increased The Accuracy In Steering A Four Wheeled Vehicle. Precision Turning In Four Wheeled Vehicles Not Only Prevents The
Vehicle From Skidding But Also Prevents Road Accidents. Various Other Mechanisms Were Also Established For Reducing The
Steering Effort And Precision Turning Including Hydraulics As Well As Electronic Type. Taking Into Account The Various
Systems Of Steering As Well As Using A Bit Of Electronics And Microcontroller Application A Modern Technique Can Be
Developed Using A Servomotor, An Accelerometer And A Microprocessor For An Increased Precision In Steering Of A Vehicle
Which May Be Termed As The “Accelerometer Driven Servomotor Based Steering Gear” Or “A.S. Steering Gear”. In This
Paper, I Shall Discuss How To Use An Accelerometer To Control A Servomotor Inorder To Help In Steering Of A Vehicle By
Means Of Basic Microcontroller Applications And Programming.
Keywords— Servomotor, Accelerometer, Fundamental Law Of Correct Gearing, Steering Gear Ratio,
Microprocessor, Analog To Digital Conversion, Pulse Width Modulation, Rack And Pinion Assembly
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Sectoral targets and attacks as well as the cost of ransom
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Length: 30 minutes
Session Overview
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2. INTRODUCTION
AUTOMATIC TRANSMISSION IN TODAYS
AUTOMOBILES IS VERY A COMPLICATED ONE
AUTOMATIC TRANSMISSION CONTAINS
1. MECHANICAL SYSTEMS,
2. HYDRAULIC SYSTEMS,
3. ELECTRICAL SYSTEMS AND
4. COMPUTER SYSTEMS.
3. WHAT IS TRANSMISSION
Transmission is the device that is connected
to the back of the engine and send the
power from the engine to the drive wheel.
Purpose of the transmission is to provide
high torque at the time of starting and
moving the vehicle, at the time of hill
climbing.
5. REAR WHEEL DRIVE
In most of the vehicles transmission is
mounted on the rear wheels
6. POWER FLOW ON THIS SYSTEM IS SIMPLE AND
STRAIGHT FORWARD GOING FROM THE ENGINE,
THROUGH THE TORQUE CONVERTER, THEN ALSO
THROUGH THE DRIVE SHAFT UNTIL IT REACH THE
FINAL DRIVE WHERE IT SPLIT AND SENT TO THE
TWO REAR WHEEL.
7. FRONT WHEEL DRIVE
On a front wheel car, the transmission is
combined with engine itself and is called as
transaxle.
8. TRANSAXIL
Transaxil is a device setup in the
transmission gear box, clutch, finaldrive,
which all are into a single unit.
9. AUTOMATIC TRANSMISSION
COMPONENTS
Planetary gear sets
Hydraulic systems
1. Oil pump
2. Valve body
3. Clutches
4. Band
Seals and gaskets
Torque converters
Governor
Computer controls
10. PLANETARY GEAR SETS
All gear set in which all of the
gears are in one planet.
The control gear is called as sun
gear, in mesh with the circular
grouping of gears called planet
gears
12. CLUTCH PACKS
A clutch is a machanical device for the
transmission power from one component to
another.
13. BANDS
A band is a steel strap with friction material
bonded to the inside surface
A flexible metal ring fits around the outside of the
clutch hosing. It tichtends to engage the gears,
and loosens to release them.
15. TORQUE CONVERTOR
A torque convertor is
a fluid coupling that is
used to transfer
rotating power from a
prime mover, such as
an internal
combustion engine or
electric motor to a
rotating driven load
16. COMPUTER CONTROLS
The computer uses sensor on the
engine and transmission to detect
such things as throttle position ,vehicle
speed, engine load, break pedal
position, etc…
Once the computer receives this
information then it will sends signal to
a solenoid pack inside the
transmission
21. CONCLUSION
All the cars in india are changing
to automatic transmission. They
are better than the manual
transmission both in performance
and pickup in normal roads and in
hill climbing…
