The project aims at designing an intelligent voice operated fire extinguishing
robotic vehicle which can be controlled wirelessly through RF communication. The
Robotic vehicle has a camera mounted on it whose direction can also be controlled using
voice commands. The proposed vehicle has a water jet spray which is capable of
sprinkling water. The sprinkler can be moved towards the required direction.
The advent of new high-speed technology provided realistic opportunity for new
robot controls and realization of new methods of control theory. This technical
improvement together with the need for high performance robots created faster, more
accurate and more intelligent robots using new robots control devices, new drivers and
advanced control algorithms. This project describes a new economical solution of robot
control systems. The presented robot control system can be used for differentsophisticated robotic applications.
Speech is the primary and most convenient means of communication between
humans. Whether due to technological curiosity to build machines that mimic human’s or
desire to automate work with machine, research in speech recognition as a first step
towards human-machine communication. Speech recognition is the process of
recognizing the spoken word to take necessary actions accordingly.
The controlling devices of the whole system are Microcontrollers. Speech
recognition module, wireless transceiver modules, obstacle detector, lamp, water jet
spray, DC motors and buzzer are interfaced to Microcontroller.
When the user fed the
voice commands to the speech recognition module, the microcontroller interfaced to it
reads the command and sends relevant data of that command wirelessly using transceiver
module. This data is received by the transceiver module on the robotic vehicle and feds it
to microcontroller which acts accordingly on motors, pump and lamp. The vehicle is
mounted with a camera which helps in viewing the live images on TV. Also, the vehicle
is capable of detecting obstacles and alerts the user through buzzer. To perform this intelligent task, Microcontroller is loaded with a program written in embedded ‘C’
The main objectives of the project are:
1. Construction of speech based intelligent fire extinguisher vehicle system.
2. Live images feed back through wireless video camera.
3. Obstacle detection capability.
4. Night vision capability.
The project provides the following learning’s:
1. Speech recognition module operation.
2. Interfacing of transceiver modules to Microcontroller.
3. DC motors working and need for motor driver.
4. Interfacing Speech recognition module to Microcontroller
5. Obstacle detector characteristics.
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