Autonomous Row Guidance Bot

We are making an 4-wheel agribot that would follow a crop row using machine vision algorithms. We are using BLDC motors .We are using 4 BLDC Motors that are controlled using BLDC driver qs909 and arduino. Pycharm has been used to write the algorithm of row guidance technique which sends the signal t

Project Title

Autonomous Row Guidance Bot

Project Area of Specialization

Robotics

Project Summary

We are making an 4-wheel agribot that would follow a crop row using machine vision algorithms. We are using BLDC motors .We are using 4 BLDC Motors that are controlled using BLDC driver qs909 and arduino. Pycharm has been used to write the algorithm of row guidance technique which sends the signal to move the robot left, right or straight.

Project Objectives

To built an Agribot that can move autonomously in a crop row.

To built a 4-Wheel Differenetial Drive.

To do Row Guidance using  machine vision

Project Implementation Method

The type of part-time system typically found on four-wheel-drive pickups and older SUVs works like this: The vehicle is usually rear-wheel drive. The transmission hooks up directly to a transfer case. From there, one driveshaft turns the front axle, and another turns the rear axle.

When four-wheel drive is engaged, the transfer case locks the front driveshaft to the rear driveshaft, so each axle receives half of the torque coming from the engine. At the same time, the front hubs lock.

The front and rear axles each have an open differential. Although this system provides much better traction than a two-wheel-drive vehicle, it has two main drawbacks. We've already discussed one of them: It cannot be used on-road because of the locked transfer case.

The second problem comes from the type of differentials used: An open differential splits the torque evenly between each of the two wheels it is connected to (see How Differentials Work for more details). If one of those two wheels comes off the ground, or is on a very slippery surface, the torque applied to that wheel drops to zero. Because the torque is split evenly, this means that the other wheel also receives zero torque. So even if the other wheel has plenty of traction, no torque is transferred to it.

Previously, we said that the best four-wheel-drive system will send exactly the right amount of torque to each wheel, the right amount being the maximum torque that won't cause that tire to slip. This system rates fairly poorly by that criterion. It sends to both wheels the amount of torque that won't cause the tire with the least traction to slip.

There are some ways to make improvements to a system like this. Replacing the open differential with a limited-slip rear differential is one of the most common ones -- this makes sure that both rear wheels are able to apply some torque no matter what. Another option is a locking differential, which locks the rear wheels together to ensure that each one has access to all of the torque coming into the axle, even if one wheel is off the ground -- this improves performance in off-road conditions.

In the next section, we'll take a look at what could be the ultimate four-wheel-drive system: the one on the Hummer

Benefits of the Project

To automate the traditional method of weed killing i.e through hands.

It would spray only on the weeds and useful crops would not be sprayed.

Technical Details of Final Deliverable

There are some ways to make improvements to a system like this. Replacing the open differential with a limited-slip rear differential is one of the most common ones -- this makes sure that both rear wheels are able to apply some torque no matter what. Another option is a locking differential, which locks the rear wheels together to ensure that each one has access to all of the torque coming into the axle, even if one wheel is off the ground -- this improves performance in off-road conditions.

In the next section, we'll take a look at what could be the ultimate four-wheel-drive system: the one on the Hummer

Final Deliverable of the Project

Hardware System

Core Industry

Agriculture

Other Industries

Food , Health

Core Technology

Robotics

Other Technologies

Others

Sustainable Development Goals

Zero Hunger, Good Health and Well-Being for People

Required Resources

If you need this project, please contact me on contact@adikhanofficial.com