ECE 491 SENIOR PROJECT I MINI SUMO ROBOT

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1 ECE 491 SENIOR PROJECT I MINI SUMO ROBOT STUDENTS EMRAH ÇAĞLAR CİHAN ARDA Supervisor: Assist. PROF. DR. ORHAN GAZİ 1

2 DIGITEST ELECTRONICS LTD COMPANY(established in 2002) Main purpose of the company is to fix or backup the electronic boards which are commonly used in the industrial area They have researched the defect finder device on the electronic systems therefore they created the first domestic defect finder device which is called D&T500, D&T1000 (Fault locator) They are also doing : PCB Development PCB Tests Software projection and refinement System Engineering, System Building, Entegration Consumer Support Service Main Work Area; Industrial Electronic - Technical Support - Real Time Control Systems Meteorological Systems - Calibration Systems - Smart Sensor Networks 2

D&T1000 (Fault locator) They are also doing : PCB Development PCB Tests Software projection and refinement System Engineering, System Building, Entegration Consumer

3 TABLE OF CONTENTS WHAT IS MINI SUMO ROBOT?( WHAT HAS BEEN DONE YET?) HARDWARE WHAT WILL BE DONE TO IMPROVE MINI SUMO ROBOT? 3

4 Robot-sumo or pepesumo, is a sport in which two robots attempt to push each other out of a circle. The robots used in this competition are called sumobots. The most common "weapon" used in a sumobot competition is an angled blade at the front of the robot, usually tilted at about a 45-degree angle towards the back of the robot. This blade has an adjustable height for different tactics. 4

The most common "weapon" used in a sumobot competition is an angled blade at the front of the

5 Robot-sumo is divided into classes, fought on progressively smaller arenas The content of the project is sumo robot, which robots may mass up to 500g and fit inside a 10 cm by 10 cm box, any height. 5

6 WHAT HAS BEEN DONE YET? We examine the concept of the mini sumo robot. Microcontroller(PIC16F877 )(PIC16F628A) Regulator Circuit(7805-5V) Motor Controller Circuit (L298) Motors ( 2 Types) Sensors(2 Types) 6

7 Microcontroller(PIC16877) Most important difference between PIC 16F877 and PIC 16F628A is ; Schmitt Trigger is included by the PIC16F877. We do not need another analog to digital converter. Principle of Schmitt-Trigger 7

8 Sumo Robot Circuit with PIC16F28A 8

9 g Sumo Robot Circuit with PIC16F877 9

10 REGULATOR CIRCUIT(7805) Decreases 9V to 5V. Also prevents changes on voltage. 10

11 Motor controller Circuit (L298) 11

12 Current capacity of the PICF16877 is just only 25mA Through the motor controller (L298) has the biggest Imax value between the type of motor controllers. That Imax value is 4 Ampere. It is enough to drive a DC motor 12

Imax value between the type of motor controllers.

13 MOTORS DC MOTOR Light High RPM Low torque 13

14 SERVO MOTOR Better acceleration High torque Smooth and stable 14

15 SENSORS(CNY70) CNY70 helps robot not to go out off arena. Fighting arena consist of two types of color; the edge color is white which surrounds the arena as 5 cm width. Inner place of the white circle is black for the maximum contrast. 15

color is white which surrounds the arena as 5 cm width.

16 Second type of sensor that we can call it as robot target sensor which is o Infrared Object Sensors(Proximity Sensors) 16

17 Infrared Object Sensors(proximity Sensors) Infrared light and can measure the distance between object and itself. Easy to build a receiver and transmitter systems 17

18 Working principle of the proximity sensor Symbolic of proximity sensor 18

19 We will; modify the servos for 360 degree move use servo motors for sumo robot examine the mechanical devices( gears, wheels, also structural frame) improve software for the better recognizing objects and smarter movements have better argonomy use PIC16F877 for further patches, sensors improvements etc. 19

improve software for the better recognizing objects and smarter movements

20 THANK YOU! 20

ECE 492 SENIOR PROJECT 2 MINI SUMO ROBOT

ECE 492 SENIOR PROJECT 2 MINI SUMO ROBOT STUDENTS EMRAH ÇAĞLAR CİHAN ARDA Supervisor: Assist. PROF. DR. ORHAN GAZi 1 DIGITEST ELECTRONICS LTD COMPANY(established in 2002) Main purpose of the company is