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A  SEMINAR ON  SENSOTRONIC BRAKE CONTROL A  SEMINAR ON  SENSOTRONIC BRAKE CONTROL

A SEMINAR ON SENSOTRONIC BRAKE CONTROL - PowerPoint Presentation

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Uploaded On 2018-09-20

A SEMINAR ON SENSOTRONIC BRAKE CONTROL - PPT Presentation

COLLEGE OF ENGINEERING BHUBANESWAR SUBMITTED BY VED PRAKASH What is sensotronic brake control Sensotronic Brake Control is an innovative electronically controlled brake system that is faster and more precise than ID: 673330

system brake control braking brake system braking control pressure sbc wheel electronic stability sensor pedal vehicle future sensotronic speed components esc conventional

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Slide1

A SEMINAR ON SENSOTRONIC BRAKE CONTROL

COLLEGE OF ENGINEERING BHUBANESWAR

SUBMITTED

BY:

VED

PRAKASHSlide2

What is sensotronic brake control?

Sensotronic Brake Control is an innovative electronically controlled brake system that is faster and more precise than the conventional braking system.

Complete interaction of mechanics and electronics, known as

“MECHATRONICS”.

The brake booster will not be needed in future either.Slide3

HISTORY OF SBCRobert Bosch GmbH has played a role in many innovations. These include the first electronically controlled antilock braking system (ABS) in 1978, the traction control system (TCS) in 1987, and mass production of the Electronic Stability Program (ESP) in 1995.The company also helped Mercedes-Benz develop the most technologically advanced system in production—the electrohydraulic brake (EHB) also known as Sensotronic Brake Control (SBC).Slide4

CONVENTIONAL BRAKING SYSTEMUses piston rod which is linked to the brake booster and the master brake cylinder. Depending on the pedal force, the master brake cylinder builds up the appropriate amount of pressure in the brake lines.

Then presses the brake pads against the brake discs via the wheel cylinders.Slide5

Sensotronic brake controlIn SBC, electric impulses are used .A high pressure reservoir and electronically controllable valves ensure that maximum brake pressure is available much sooner.Offers innovative additional functions :

Traffic Jam Assist(using cruise control stalk) The Soft-Stop(By higher-precision pressure control)

Slide6

WHY SENSOTONIC BRAKE

Brake pedal: Electronics instead of a vacuum

Control unit

: P

ressure modulators for each wheel

Faster and more preciselySlide7

Conventional Braking SBC BrakingSlide8

SBC COMPONENTS Microcomputer:- This system calculates the braking force for each wheel individually.

High Pressure Accumulator:- High-pressure accumulator contains the brake fluid which flows into the system .

Hydraulic Unit:-

T

hey meter the brake pressure according

to requirements and pass it to the brakes.

Wheel Speed Sensor:-

Generating signals representative

of the wheel-speed. Slide9

SBC COMPONENTSSlide10

Features of SBCEMERGENCY BRAKING- R

ecognizes the driver’s rapid movement from the accelerator onto the brake pedal DRIVING STABILITY- It stops the car from turning aside suddenly

COMFORT

-

P

rovides comfort particularly during sharp deceleration or when the anti-lock braking system is operational

BRAKING IN CORNERS-

SBC offers the possibility of assigning brake forces in a way appropriate to the situationSlide11

ELECTRONIC SENSORS USED IN SBC PEDAL TRAVEL SENSOR (Situated at brake pedal)STEERING ANGLE SENSOR (Situated at steering)

WHEEL SPEED SENSOR (Situated at every wheel)HYDRAULIC UNIT SENSOR (Situated at front wheel)Slide12

SENSORS PLACED IN CAR BODYSlide13

SBC: MAIN COMPONENTS AND FUNCTIONS Anti-lock braking system: It is a safety system which

prevents the wheels on a motor vehicle from locking up while braking.

Electronic stability control:

It is a computerized

technology that improves the safety of a vehicle's stability

by detecting and minimizing skids.Slide14

ANTI-LOCK BRAKING SYSTEM Offers improved vehicle control and decreases stopping distances on dry and especially slippery surfaces.

applies individual brake pressure to all four wheels through a control system. Wheel speed sensors monitor each wheel speed

If a fault develops in any part of the ABS, a warning light will usually be illuminated on the vehicle instrument panelSlide15

ELECTRONIC STABILITY CONTROL [ESC] Improves the safety of a vehicle's stability by detecting and minimizing skids.

When ESC detects loss of steering control, it automatically applies the brakes. ESC does not improve a vehicle's cornering performance.

ESC can work on any surface, from dry pavement to frozen lakes.Slide16

ESCSlide17

THE CONCEPT FOR THE PRESSURE SENSOR Silicon micro machined piezo-resistive pressure sensor chip is used.

They have two different sensitivities.

A higher one in a low-pressure range (0 to 30 bar).

A lower one at higher pressures (up to 250 bar).Slide18

SBC: ADD-ON FUNCTIONS Drive-Away Assist: Prevents the car from rolling backwards or forwards on hill or steep drives.

Traffic Jam Assist function: In traffic drivers only need to use the accelerator pedal.

Dry-braking:

Activated when the car’s windscreen wipers are running.

Soft-Stop

:

Ensures particularly gentle and smooth stopping.Slide19

FUTURE SCOPE Automatically guide the cars of the future along the roads.

Future along the roads with the aid of video cameras, radar, advance telematics.

Use of Electronic-Autopilot mode in emergency

brakin

g.Slide20

MERITSIt raise braking comfort.Reduces the time for application of brakes.

Provides stability control.Provides soft and smooth stop during normal braking.Slide21

DEMERITS OF SBCCOST: Increases due to electronic components.

ASSEMBLING: Slight complex assembling.

DIFFICULT FOR MAINTENANCE:

Prone to environment conditions.Slide22

CONCLUSION With reference to the advantages and dis-advantages it is concluded that the SBC system may take the place of a conventional brake system in the future. One of the most important dis-advantage that is its higher cost due to the electronic components will get reduced after the adaptation of this system by all automobile companies. Also the maintenance of the electronic component will be easy when we shall get familiar with this system.Slide23

THANK YOU