battery

Batteries

Hi all Today I want to talk about batteries. However before I begin there are a few terms I want to clarify. So here we go. Terminology Cell – This is where the chemical reaction takes place which produces electricity. The characteristics of the cell are determined by its chemical formulation and its construction. Battery – A battery is comprised…
power beer analogy

Motors: Active, Reactive, and Apparent Power

There are a bunch of confusing powers involved when we look at motors, especially with DC brushless motors. When your boss comes and asks you to measure the electrical power that your motor is using, it is often not straight forward. Typically the easiest way to get the current used by a motor is to measure the current draw going…
drawbar pull test

Common Robot Tests – Field Testing Series – Part 6

This post is part of a series on testing robots with a focus on field testing. It will start with why we test robots, work its way through planning for a field test, to performing the test, and finally what to do after the test. We will conclude with a description of many common tests that we subject our robots…