sensorbased 150315123850-conversion-gate01
TRANSCRIPT
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Presented by
P. HYNDAVI11RG1A0235
SENSOR BASED MOTION CONTROL
OF MOBILE CAR ROBOT
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It contains different modules Object detection and angle
determination in the path using IR sensor.
SMS protocol (F-Bus) development.
Design of RF circuits for data transfer.
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"A reprogrammable, multifunctional manipulator designed to move material, parts, tools, or specialized devices through various programmed motions for the performance of a variety of tasks"
What is a robot?
Role of Robotics in Industrial standardsMostly automatic manipulation of rigid parts with well-know shape in a specially prepared environment.
In Medical Mostly semi-automatic manipulation of deformable objects in a
naturally created, space limited environment.
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Robot Manipulators
Mobile Robots
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Walking Robots
Humanoid Robots
Different types of ROBOTICS
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Sensor-Driven Robot Control• To accurately achieve a task
in an intelligent environment, a robot has to be able to react dynamically to changes ion its surroundingRobots need sensors to perceive
the environmentMost robots use a set of
different sensors• Different sensors serve different
purposesInformation from sensors has to
be integrated into the control of the robot
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Robot Sensors• Proximity sensors are used to measure the
distance or location of objects in the environment. This can then be used to determine the location of the robot.– Infrared sensors determine the distance to an object by
measuring the amount of infrared light the object reflects back to the robot
– Ultrasonic sensors (sonars) measure the time that an ultrasonic signal takes until it returns to the robot
– Laser range finders determine distance by measuring either the time it takes for a laser beam to be reflected back to the robot or by measuring where the laser hits the object
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Robot Sensors• Computer Vision provides robots with the
capability to passively observe the environment– Stereo vision systems provide complete
location information using triangulation
– However, computer vision is very complex• Correspondence problem makes stereo vision even
more difficult
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Ways of connecting of mobile car robot
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Robot Vs Human Human
advantages:IntelligenceFlexibilityAdaptabilitySkillCan LearnCan Estimate
Robot Advantages:
StrengthAccuracySpeedDoes‘nt get tiredDoes repetitive tasksCan Measure
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SMS based remote control system
BLOCK DIAGRAM
Nokia 3310 phone has F-Bus connection that can be used to connect the phone to a microcontroller.
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TRIAC CIRCUIT
The device is driven by a triac circuit that acts as solid state relay . The triac circuit is driven by DC voltage input and typically 10 mA of current , which the microcontroller can provide very easily . Thus turning on/off can be accomplished by giving a logic high/low to the input of triac circuit
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Design of RF circuits for data transferRadio is a device that wirelessly transmit or receive signals in the radio frequency (RF) part of the electromagnetic spectrum to facilitate the transfer of information. The front-end of a radio is comprised of transmitter and receiver. Cellular/mobile radio communications, WLAN, etc.,Components involved in designing RF circuits:
Low Noise AmplifiersMixersClock generatorsPower AmplifiersAntennaDuplexerOnchip passive components (Inductor, Capacitor and transformer)
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Example for RF circuit
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ANY QUERIES?