Thought to Built house clear ROBOT

THOUGHT TO BUILT HOUSE CLEANING ROBOT

“Time and Tide waits for no man”

We all relate to this saying. In this present era, time is one thing which everyone wishes that they had more. Especially for working women it becomes difficult to handle home and office together. Keeping the house clean becomes a herculean task for them. They wish for something which could make their work easier. Here we present a device which comes in to the rescue in such situations. A robot can be defined as an electromechanical system with the capability of sensing its environment, manipulating it and acting according to the programmed sequence. It is a machine that appears intelligent due to the instructions it receives from a computer inside it which handles multiple tasks. The house cleaning robot uses a micro controller to detect obstacles and manipulates its direction as per the inputs from infrared sensors mounted in front, back, right and left of the robot. The heart of the system is a micro controller . It is programmed to accept inputs to sense obstacles around it and control the robot to avoid any collisions. There are 4 IR sensors used in this project- one at the front, and the remaining on the left, right and back of the robot to detect obstacles, if any. A Digital Signal Processor is used to process speech signals. In case of an obstacle ,or a potential collision, the micro controller controls the wheels of the robot by a motor driver to avoid collision. The vacuum cleaner mounted on the robot performs the cleaning process.
INTRODUCTION
The house cleaning robot uses a microcontroller to detect obstacles and manipulates its direction as per the inputs from infrared sensors mounted in front, right and left of the robot or the digital signal processor. The heart of the system is a microcontroller – PIC 16F877A . It is programmed to accept inputs to sense obstacles around it and control the robot to avoid any collisions. There are 4 IR sensors used in this project- one at the front, and the remaining on the left, right and back of the robot to detect obstacles, if any. In case of an obstacle ,or a potential collision, the microcontroller controls the wheels of the robo by a motor driver IC- L293D to avoid collision. The vacuum cleaner mounted on the robot performs the cleaning process.
The robot works in 2 modes : Auto mode and Manual mode.
Auto mode:- In this mode, the PIC microcontroller is programmed in such a way that it takes the decision and changes the path of the robot as per the sensor inputs to avoid the obstacles. A timer is used to set the time limit for the cleaning process.
Manual mode:- In manual mode, we use a DSP- AP7003 to control the robot manually. This DSP converts speech commands to digital format and these values are stored in its memory. This is done pre-hand by the user. When cleaning is to be done, the user just deliver the speech commands which has been already stored in the DSP. After comparing the two speech commands , the corresponding output of DSP drives the PIC microcontroller and moves the robot accordingly.

Cleaning and Household Robots: A Technology Survey This paper describes some of the main technology areas that have been actually used in the development of cleaning robots. The approach taken in this survey is to examine the characteristics of cleaning robots that have made successful laboratory demonstration or have become commercial products. We then identify the technology approach followed by the authors, and group their contributions in a few general areas. The result is a summary of used approaches to thesolution of difficult, albeit very practical, problems in the area of autonomous execution of cleaning tasks.