The question stands by itself. We want to build a maze solving robot and last time we used right RPM, relatively high torque motors. As it turned out, making the robot move accurately was a nightmare. What kind of motors should we look into? What kind of specs are important and how to decide which motors serves us best, as we have to wait a long time to get them?
A link would be much appreciated!
Perhaps you can find an answer when you define all the parameters you require. Trying to discover what accuracy you require from a world away is not going to work out very well.
What motors did you use that failed your tests? Did you only try a single type motor? What is the source of the errors you found? You tell us the specs you require.
Use a gearmotor for good speed control, at low vehicle speeds.
The best gearing ratio depends entirely on your robot design, about which you have told us nothing.
You may find the robot design calculators on this web site useful: https://www.societyofrobots.com/
A standard stepper motor has exactly 200 steps per revolution (1.8 degrees per step).
Servo motors are "angle motors" (for steering, etc.) and they can be pretty accurate but they are not "digitally accurate".
With a moving robot you've got interaction with the floor or ground and there will be some slippage/inaccuracy, especially around corners.
you need to define the amount of power you will need.
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