hai sir..,
I m v.vanitha studing b.tech 3rd year . I want to know about the obstacle avoidance and manhole detection for the blind people by using with and without sensors and also the block diagram regarding this topic.

Thanking you,

yours faithfully,
v.vanitha
please say me about sensors used in manhole detection for blind people ....etc

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Introduction

Obstacle detection and avoidance robots are intelligent robots which can perform desired tasks in unstructured environments by finding and overcoming obstacles in their way without continuous human guidance.
In robotics, obstacle avoidance is the task of satisfying some control objective subject to non-intersection or non-collision position constraints. Normally obstacle avoidance is considered to be distinct from path planning in that one is usua ....etc

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ROBOTICS BASED OBSTACLE AVOIDANCE SYSTEM



INTRODUCTION:

Guide cane is a Novel navigation aids designed to help visually impaired users navigate quickly and safely among densely cluttered obstacles. It is a mobile robotics based device which uses obstacle avoidance technology to determine a safe path for travel and to guide the user along that path.

FUNCTIONAL COMPONENTS:
A servo motor, operating under the control of the built in computer, can steer the wheels lef ....etc

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please send the papers of title project obstacle avoidance and manhole detection an electronic travelling robot for blind ....etc

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Real-Time Obstacle Avoidance

Introduction
Real-time obstacle avoidance is one of the key issues to successful applications of mobile robot systems. All mobile robots feature some kind of collision avoidance, ranging from primitive algorithms that detect an obstacle and stop the robot short of it in order to avoid a collision, through sophisticated algorithms, that enable the robot to detour obstacles. The latter algorithms are much more complex, since they involve not only the detection of an obstacle, but also some kind of quantitative mea ....etc

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GuideCane-Robotics-Based Obstacle-Avoidance System for the Blind and Visually Impaired

Contents
Mobile Robotics Technologies
Guidecane Introduction
How Guidecane works?
GuideCane In Detail
Recap


Mobile Robotics Technologies for The Visually Impaired
With the development of radar and ultrasonic technology a new series of devices, known as Electronic Travel Aids (ETAs) were developed

ETAs use Obstacle avoidance Systems (OAS)

Obstacle Avoidance System comprises of
A set of ultras ....etc

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to get information about the topic implementation of obstacle avoidance using zigbee for omni directional mobile robot full report refer the page link bellow

http://seminarsprojects.net/Thread-implementation-of-obstacle-avoidance-and-zigbee-control-functions-for-omni-directiona ....etc

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To get full information or details of obstacle avoidance robot please have a look on the pages

http://seminarsprojects.net/Thread-obstacle-avoiding-robot

if you again feel trouble on obstacle avoidance robot please reply in that page and ask specific fields in obstacle avoidance robot ....etc

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PLEASE SENT ME PPT AND REPORT VOICE RECOGNITION AND VOICE GUIDANCE BASED GPS TURN-BY-TURNNAVIGATOR FOR BLIND WITH ULTRASONIC OBSTACLE AVOIDANCE ....etc

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moving obstacle avoidance matlab code

Introduction

This example demonstrates an implementation of the VFH+ obstacle avoidance algorithm with the TurtleBot . The use of timers is explored to expose their power in autonomous algorithms.The VFH+ algorithm is a simple, local method to help a robot navigate a space without hitting obstacles. Because the algorithm incorporates only local information, the robot is not guaranteed to reach the target point. It can get stuck in corners (local minimum). It can hit walls if the goal targeting gain is to ....etc

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