SPIDER ROBOT Muffakham Jah College of Engineering & Technology Presented by : 160415735112: MOGAL ABDUL SAMEER BAIG 160415735070: NAZIA FATIMA Mini project Coordinators Name & Designation: Shaik Sabeera Khader,Asst.Prof.ECED Salma Fauzia,Asst.Prof.ECED
Introduction A SPIDER robot is a mechanical vehicle that walks on four legs. Since a robot can be statically stable on two or more legs, a spider robot has a great deal of flexibility in how it can move. If legs become disabled, the robot may still be able to walk. Furthermore, not all of the robot's legs are needed for stability; other legs are free to reach new foot placements or manipulate a payload. A four - legged walking robot should not be confused with a Stewart platform, a kind of parallel manipulator used in robotics applications. Many quadruped robots are biologically inspired by locomotion in insects. Quadrupeds may be used to test biological theories about insect locomotion, motor control, and neurobiology.
Block Diagram RC SERVO MOTOR ARDUINO BOARD POWER SUPPLY
Components Used 1) ARDUINO BOARD As the Arduino card is easily programmed it is the most viable option. We are using arduino mega board. It has an area of 38, 5 cm² of thickness of 1.5cm and is equipped with a micro controller Atmel AVR of 8bits. A micro controller allows the card to carry out different instructions and also has an internal memory. It's an integrated circuit which gathers the essential elements of a computer. It is connected to the computer with the help of a USB connection and needs an external power source. The various software characteristics of the card are: ØA Code Editor ØA Compile function ØA debug and run file function. ØA simplified language and good bibliographies which improve the capacity of the micro controller. 2) RC SERVO MOTORS Servos are devices that are commonly used in robotics and have many applications Servos are used to move object parts from one angle to another and most servos can only move within a limited range. In order to assess how far a servo can move, the gears inside the servo must be examined. In addition, the servo may have a tab to help the servo define the limits of rotation. 3) WOOD 4) LONG SCREWS 5) PCB 6) HEADERS 7) SINGLE STRAND WIRES 8) POWER BOXES 9) USB CABLES (For supplying power from laptop)
Working SERVO AND ARDUINO CONNECTION Luckily, the potentiometer does not need to be connected. The voltage as well as the potentiometer can control the speed of the servo which uses more voltage allowing the servo to move faster. That pin is constant and resistant to change. The yellow wire is the signal input to the servo which was connected to pin 9 because of the code. As the code was program to the board the servo move from 0 to 90 degree.
The pulses are in the forms of square waves. With each pulse the motor makes a rotation of 1.8 mille radians (with step 1). Thus by controlling the time between two can be controlled. The lesser the time. There has to be a minimum time difference of 20 micro seconds between the consecutive pulses as that is the time period of one pulse.
APPLICATIONS Avoid obstacles and squeeze through tight spaces and narrow slots Rescue trapped victims Navigation of uneven, unsteady, or otherwise unusual terrain Surveillance Defense
Sl.no Components Expenses 1 WOOD 1000 /- 2 RC SERVOS (FUTABA S3003) S3003) 4750 /- 3 ARDUINO BOARD 799 /- 4 POTENTIOMETERS 300 /- 5 SINGLE STRAND WIRES 100 /- 6 USB CABLES 200 /- 7 HEADERS 30 /- 8 NUTS AND BOLTS 60 /- 9 JUMPERS(M-F) 55 /- 10 PCB 120 /- 11 POWER BOX, HEADERS, JUMPERS (M-M) 140 /- 12 ARENA DECORATION 65 /- 13 TAPES AND OTHER BOT DECORATIVE MATERIALS 54 /-
Conclusion This report explains how the robot is able to move from one point to another. With the help of the processing software, the robot can move to any desired location by clicking the code on the laptop. We aim to promote technology innovation to achieve a reliable and efficient outcome from various instruments. With a common digitalized platform, these latest instruments will enable increased flexibility in control, operation and expansion, allows embedded intelligence, and eventually benefits the customers with improved services, reliability and increase convenience. The mechatronics application ensures a convenient way of simplifying the life by providing more delicate and user friendly facilities in computing devices. Since this initial work cannot address everything within the proposed framework and vision, more research and development efforts are being made to fully implement the proposed framework through a joint effort of various entities.