Robotics Section

Watch Two Wheel Robot Video

Two Wheel Robot (Rover) was built to travel in a predetermined path and also avoids collision with obstacles in the path by detecting an obstacle and takes an alternate path.

The Robot is designed using two wheels as a proof of concept and this gave an opportunity to understand the implications and challenges faced in a two tire locomotive.

This robotic project is success in terms of simplicity, and it satisfied all the project objectives. The precision in navigation is achieved with out the help of feedback loop which is an added plus point to the simplicity of  this robot design.

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In this case the Rover is designed to carry a good payload that is a sealed lead acid battery and also the whole body of the Rover is constructed with aluminum metal. The wheels are available  off-the-shelf which are made of plastic fiber along with rubber lining for the tires.

The Rover consists of two stepper motors which are driven by a Micro Controller and a set of IR (infrared) sensors for detecting the obstacles.

The IR(infrared) sensors consists of one IR transmitter LED and a receiver module which are aligned at a particular angle to detect an obstacle facing the Rover.

The navigation is possible by rotating the wheels in forward and backward rotations. For instance if you want the rover to go in a forward direction then  both the wheels are rotated in a clock wise direction, but when you want the rover to turn right or left side then both the wheels will rotate opposite to each other. Means when one wheel is rotating clock wise other wheel will rotate anti clock wise making the rover to rotate in the same axis.

Here are some of the details of Two Wheel Robot (Rover) 

The Rover travels at a speed of 534 cm per minute and can travel nearly quarter kilometer in length if the Rover travels in a straight line.

Dimension = 40 cm x 18 cm x 18 cm ( L x W x H)

Total body weight with pay load = 4 Kgs

Payload weight = 1Kgs

Payload is a sealed lead acid battery (6V , 4Ah)

Power consumption = 18 watts

Operation period of the Rover = 40 minutes

Operation period is where 100% accurate functionality is observed, after this period the Rover may start showing decline in performances, this is because there will be a voltage drop in the battery. The 40 minutes operation period is only possible when the battery is considered to be fully charged.

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