presentation on driverless cars by shahin hussan

Download Presentation on driverless cars by shahin hussan

Post on 20-Aug-2015




14 download

Embed Size (px)


  2. 2. Contents Introduction What is a driverless car ? How will the car detect the traffic lights ? Technologies making a system fully autonomous Control of vehicle Automated Guided Vehicle Systems
  3. 3. INTRODUCTION Driver error is the most common cause of trafficaccidents India contributes 6 % of the worlds road accidentdeaths Cell phones in-car ,entertainment systems, more trafficand more complicated road systems making it morefrequent By this improving technology our car will do theconcentrating for us.
  4. 4. What is a driverless car ? It is a vehicle that can drive itself from one point toanother without assistance from a driver; in otherwords, with an autopilot system
  5. 5. How will the car detect the traffic lights ? A sensor actinometer is used to detect theintensity of radiation Light of different colors will radiate different -2-intensity of radiation Which will be detected by the sensor If the detected intensity is of red colour or yellowcolour then controller will send a command to stopthe vehicle . The command will be followed by robot(to convertthe computer command into mechanical input)
  6. 6. Technologies making a system fully autonomous Anti-lock brakes(ABS) Electronic stability control(ESC) Cruise control Lane Departure WarningSystem Self Parking Automated Guided VehicleSystems
  7. 7. Anti-lock brakes System (ABS) An ABS generally offers improved vehicle control anddecreases stopping distances on dry and slippery surfacesfor many drivers.
  8. 8. Parts of (ABS) Speed sensors Valves Pump Controller
  9. 9. Automatic Braking Senses an imminentdistance with anothervehicle or a velocityrelated danger. Responds by eitherprecharging the brakes orby applying the brakes toslow the vehicle withoutany driver input. Detects byradar, video, infrared, ultrasonic, GPS sensors. Introduced by Toyota.
  10. 10. Electronic Stability Control (ESC) A computerizedtechnology improvesvehicles stability bydetecting and minimizingskids. Automatically applies thebrakes. Helps to minimize a loss ofcontrol. ESC compares the driversintended direction to thevehicles actual direction
  11. 11. Components Wheel-speed sensors Steering-angle sensors Rotational-speed sensor
  12. 12. Electronic Stability Control
  13. 13. Cruise control Cruise control keeps the car at a constant speed by takingover the throttle of the car It also maintain a set distance between it and the car infront of it
  14. 14. Autonomous Cruise Control Uses either a radarsetup allowing thevehicle to slow whenapproaching anothervehicle and accelerateagain to the presetspeed when trafficallows
  15. 15. Automotive Night Vision increases a vehicle drivers perception and seeingdistance in darkness or poor weather beyond thereach of the vehicles headlights.
  16. 16. Cars currently using A.N.V.Active systems use an infrared light source 2002-2007 Lexus LX 470 2009 Lexus LS 2006 Mercedes CL-class 2009 Mercedes E-class 2005 Mercedes S-class 2009 Mercedes S-class 2008 Toyota Crown Hybrid 2002 Toyota Land cruiser Cignus
  17. 17. Lane Departure Warning System A mechanism designedto warn a driver whenthe vehicle begins tomove out of its lane Designed to minimizeaccidents byaddressing the maincauses of collisions:drivingerror, distraction anddrowsiness.
  18. 18. Adaptive Highbeam Automatically andcontinuously adaptsthe headlamp range tothe distance of vehiclesahead or which areoncoming. New generationMercedes-Benz e-classin spring 2009.
  19. 19. Contd The range of the beamcan vary between 65and 300meters, depending ontraffic conditions. 2011 Audi A8 2010 E-Class 2010 S-Class
  20. 20. Self-parking Cars System uses sensors all around the car to guide itinto a parallel parking space Lexus LS 460 L with Advance Parking GuidanceSystem The driver has to find a parking space,Position the car next to it, and use the in-cabinnavigation screen to tell the car where it should go.The parking space needs to be 6 feet (1.8 meters)longer than the car
  21. 21. Backup Camera & Parking Sensors Special type of video camera attached to the rear of avehicle to aid in backing up. Parking sensors are proximity detectors which can alertthe driver to unseen obstacles during parking.
  22. 22. Control of vehicle As automotive technology matures, more and more functionsof the underlying engine, gearbox etc. are no longer directlycontrolled by the driver by mechanical means. It is controlled via a computer, which receives instructionsfrom the driver as inputs and delivers the desired effect bymeans of electronic throttle control. Therefore, the technology for a computer to control allaspects of a vehicle is well understood.
  23. 23. Automated Guided Vehicle Systems Uses FROG (FreeRanging OnGrid) technology FROG vehiclesare equippedwith a computerthat contains amap of the area
  24. 24. Advantages Managing traffic flow to increase road capacity. Relieving vehicle occupants from driving allowing them toconcentrate on other tasks or to rest during their journeys. To avoid accidents . Increasing roadway capacity by reducing the distancesbetween cars.The current location of vehicle can be determine usingglobal positioning system (G.P.S) .
  25. 25. Disadvantages If the vehicle is using internet which is have lesssecurity then From the hackers point of view insome cases the vehicle can be switched off on theroad(in rare cases) Hackers can change the rout which is plotted in thesystem(in rare cases) In case of failure of main sensor and backup sensorsthe vehicle can create a chance of accident
  26. 26. conclusion The driver less cars technologies improves vehiclesstability helps to minimize loss of control. Driver less cars are designed to minimize accidentsby addressing the main causes of collisions: drivingerror, distraction and drowsiness.
  27. 27. References car control


View more >