anti-lock braking system, or ABS is a safety system which prevents the wheels on a motor vehicle from locking up (or ceasing to rotate) while braking.A rotating road wheel allows the driver to maintain steering control under heavy braking by preventing a skid and allowing the wheel to continue interacting tractively with the road surface as directed by driver steering inputs. While ABS offers improved vehicle control, and may decrease stopping distances on dry and especially slippery surfaces, it can also increase braking distance on loose surf ....etc

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Anti Lock Braking System (ABS)
Introduction
Wheel lockup during braking causes skidding which in turn cause a loss of traction and vehicle control
This reduces the steering ability to change direction. So the car slides out of control
With ABS system, the driver can brake hard, take the evasive action and still be in control of the vehicle in any road condition at any speed and under any load
Fundamentals of ABS
Anti-lock brake systems prevent brakes from locking during braking
On slippery roadways the ....etc

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please show the ppt for automatic speed control system in 4 wheeler

so please help for showing this
thank you ....etc

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m doing project on fabrication of dual brake single lever system for two wheeler with parking braking.so please send me material on this project.i want to know working,component using for this etc.i want to get some idea on this project.
i will be very grateful to you.

thanks ....etc

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i request this project automatic train guard to avoid accidents using zigbee is a mechanical project or not and send the doccumentation plz.
i request this project automatic train guard to avoid accidents using zigbee is a mechanical project or,not and send the documentation plz. ....etc

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To get full information or details of railway accident avoid system please have a look on the pages

http://seminarsprojects.net/Thread-avoid-railway-accidents-at-unattended-railway-gates-using-8051-microcontroller

http://seminarsprojects.net/Thread-railway-accident-avoidance-tracking-system?page=2

if you again feel trouble on railway accident avoid system please reply in that page and ask specific fields in railway accident avoid system ....etc

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ABSTRACT
Aim of this project is control the unmanned rail gate automatically using embedded platform. Today often we see news papers very often about the railway accidents happening at un- attended railway gates. Present project is designed to avoid such accidents if implemented in spirit. This project utilizes two powerful IR transmitter and two receivers, one pair of transmitter and receiver is fixed at upside (from the train comes) at a level higher than human being in exact alignment and similarly other pair is fixed a ....etc

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detail information about use microcontroller in brake ....etc

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to get information about the topic over speed indication and automatic system to avoid accidents full report refer the page link bellow

http://seminarsprojects.net/Thread-12-over-speed-indication-and-automatic-accident-avoiding-system-for-four-wheeler-re ....etc

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automatic distance measurement and braking system using ultrasonic sensor

Abstract
This paper presents an ultrasonic automatic braking system for forward collision avoidance with accelerator pedal disengagement mechanism. This system consists of ultrasonic sensors namely ultrasonic wave emitter and ultrasonic wave receiver. The ultrasonic wave emitter is provided in front portion of the car, producing and emitting ultrasonic waves in a predetermined distance in front of the car. Ultrasonic wave receiver is also provided in front portion of th ....etc

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