For disaster mitigation as well as for urban search and rescue missions, it is often necessary to place sensors or cameras into dangerous or inaccessible areas to get better situation awareness for the rescue personnel, before they enter a possibly dangerous area. Robots
Design and fabrication of fire fighting stairs climbing robot
For disaster mitigation as well as for urban
search and rescue missions, it is often necessary to place
sensors or cameras into dangerous or inaccessible areas to get
better situation awareness for the rescue personnel, before they
enter a possibly dangerous area. Robots are predestined to this
task, but the requirements for such mobile systems are
demanding. They should be quick and agile and, at the same
time, be able to deal with rough terrain and even to climb
stairs. This presents the design and implementation of a
feedback control system for an RF remote-controlled stair?climbing robot. The robot is controlled using PIC
16F877A.The paper presents a complete integrated control
architecture and communication strategy for a system of
reconfigurable robots that can climb stairs. Its mechanical
design is suitable with back wheel to drive the robot over
rubble, and large wheels in the front driven by dc motor for
climbing stairs. The operator can monitor the robot operation
by using video that are captured through a camera on the
surface of the robot. The robot system is implemented by using
MikroC and visual basic programs. Experimental trials
showed that the implementation of the behavior control
systems was successful.
1: Design and develop fire fighting robot.
2: Design and fabrication of stair climbing robot.
3: Extinguishe the fire system.
First, the robot is controlled by using remote,
the serial remote contain pushbuttons and
potentiometer. This Pushbuttons control movement
of motors (DC motor and stepper motor) and
potentiometers control PWM.
Second, the robot is controlled by interfacing stair?climbing robot with PC; in this way serial port was
used. This port consists of two wires to transfer
data (one for each direction) and a number of
signal wires.
Finally, RF module or remote is used to control the robot
wireless. High MHz RF Transmitter and
Receiver is wireless data transmit and receive
module with VHF/UHF super high frequency. It
has strong anti-static protection and high reliabilit
Lightweight and rugged design for increased portability.
Platform can be outfitted with an array of sensor capabilities.
More portable than the Packbot
Used in different industries as fire fighting robot
structure of the stair-climbing robot which consists of:
Power sources, charger circuit, motors (DC motor, Servo
motor), and wireless and wire modules. The
brain of the robot is PIC16F877A
Primary source of power for the robot are lithium
batteries (Li-ion) because of its characteristics and
advantages. Two batteries (12 Volt 9 Ampere) deliverers,
respectively, to provide 24 volts and Can recharge this
batteries using charger circuit
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| DC motor | Equipment | 4 | 400 | 1600 |
| Servo motor | Equipment | 2 | 600 | 1200 |
| Wheels | Equipment | 8 | 300 | 2400 |
| Material | Equipment | 1 | 1700 | 1700 |
| Pump | Equipment | 1 | 1000 | 1000 |
| Remote with controller | Equipment | 1 | 15000 | 15000 |
| Battery | Miscellaneous | 4 | 400 | 1600 |
| Belt | Equipment | 4 | 250 | 1000 |
| Electrical equipment | Equipment | 5 | 250 | 1250 |
| Others | Equipment | 6 | 1200 | 7200 |
| Sensor | Equipment | 2 | 400 | 800 |
| Nozzle and storage tank | Equipment | 1 | 900 | 900 |
| Chasis | Equipment | 4 | 750 | 3000 |
| Camera | Equipment | 1 | 2000 | 2000 |
| Total in (Rs) | 40650 |
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