Anti-lock braking system(ABS): Anti-lock braking system(ABS) By- Khan Arshad Habib (Mechanical Engineering) An Advanced Braking Technology ME-5C (Final Year) Anjuman -I-Islam’s Abdul Razzaq Kalsekar Polytechnic, New Panvel OVERVIEW: OVERVIEW Introduction to brakes Types of Brakes Materials used in Brakes Introduction to ABS History of ABS Aim of ABS Main components of ABS Construction Working principle Effectiveness Braking distance Application in Indian Automobiles INTRODUCTION TO BRAKES: INTRODUCTION TO BRAKES It is one of the most important device . Used to retard or stop the vehicle. Kinetic energy translated to heat energy . Kinetic energy increases with the square of the velocity. By K.E=1/2mv ² TYPES OF BRAKES: TYPES OF BRAKES MATERIALS USED FOR BRAKES: MATERIALS USED FOR BRAKES Cast Iron on Cast Iron. Bronze on Cast Iron. Steel on Cast Iron. Wood on Cast Iron. Leather on metal. Asbestos on metal. Etc. INTRODUCTION TO ABS: INTRODUCTION TO ABS It is the safety innovation introduced to the automotive industry. It is a system that prevents wheel from locking while braking. It is available as standard on almost all the new cars History of ABS: History of ABS ABS was first developed for AirCraft in 1929. By French Automobile & Aircraft Pioneer GABRAEL VOISIN. The German Companies BOSCH & Mercedes-Benz pioneered the first electronic version for use on Mercedes-Benz Cars in 1936 . In 1953 BMW became the World’s first motorcycle manufacturer to introduce ABS. ABS brakes on a BMW motorcycle AIM OF ABS: AIM OF ABS It is also known as Anti-Skid Braking System. The aim is to maximize braking while preventing the wheels from locking & skidding. MAIN COMPONENT OF ABS: MAIN COMPONENT OF ABS Some Wheel Speed Sensors Brake Calipers A Hydraulic Motor Some Pressure release valves A quick thinking computer (Control Module) An ABS system consists of the following components: CONSTRUCTION: CONSTRUCTION A-Wheel Speed Sensor B-ABS control Module C-pressure Release Valves D-Brake caliper WORKING PRINCIPLE OF ABS: WORKING PRINCIPLE OF ABS It consists of an electronic controller. The electronic unit constantly monitors the speed of the wheel. TYPES OF ABS: TYPES OF ABS Four-channel, Four Sensor Three-Channel, Three sensors One-Channel, one Sensor EFFECTIVENESS: EFFECTIVENESS In 2003 Australian study by Monash University Accident Research Centre found that ABS: Reduced the risk of multiple vehicle crashes by 18%. BRAKING DISTANCE 80 KM/HR: BRAKING DISTANCE 80 KM/HR ROAD CONDITION WITHOUT ABS WITH ABS DRY PAVEMENT 45m 32m SNOW 53m 64m ICE 255m 404m A june 1999 NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION (NHTSA) study found that: APPLICATION IN INDIAN AUTOMOBILES: APPLICATION IN INDIAN AUTOMOBILES Maruti Suzuki Swift Maruti Suzuki RITZ Skoda Superb Honda Accord Honda City Hyundai Verna Hyundai i20 Etc. Q & A SESSION: Q & A SESSION . Any query or doubt, most wellcome . Questions should be related to the Topic.