10 runs on accurately reaching a mission model with basic use of Motion Sensor from LEGO Education SPIKE Prime Pro Preview

In this video tutorial we use a LEGO Education SPIKE Prime, the motion sensor, a basic program and we try to do ten runs to demonstrate the consistency of reaching a mission model.

Now let's start and see how consistent the robot is. We move forward, start from the base, we try to reach the mission model and even with the first run we can see that we couldn't actually reach the mission model from the right direction. We got there, but it's impossible now to solve this mission model with an attachment, because we got there not from the top of the mission model, but rather from the left of the mission model. But let's run the program again. It has a sensor, the robot has a sensor. So it should be consistent, it should be reliable, right?

We've described in the previous tutorial this behavior of moving left and right, left and right, and it's a standard algorithm. And on the second run we can see that the robots still couldn't reach the mission model. Something is going on with our robot. It is not consistent and it's definitely not reliable. Start again. We move forward, turn to the left, turn to the right and you can see that even it doesn't make the same mistake if it was making the same mistake each and every time, then probably we can try to fix this, we can try to improve this, but it's difficult. It makes a different mistake each and every time it arrives to the mission model from a different angle, which is kind of strange. What's going on here? And the reason why we are demonstrating is that this program, it relies on the fact that we start the robot from the same time, from the same place in the base and it has to be precisely the same place and facing precisely the same direction. If it is like two degrees to the left, then it will not arrive with the mission model. It is extremely important how you start the robot from the base. It is extremely important to have an attachment that could help you align the robot in the base. And only this way you can be sure that you are doing the maximum to start the robot from the base in the same way each and every time. If you just try like us to start it with a hand, it's not working, it's difficult and practically it's impossible. Even though the program is powerful and the program works the same way each and every time, the initial positions of the robot is different and this changes the whole behavior of the robot. Download and experiment, see for yourself.