It has been 6 weeks since I enrolled in the free MIT Circuits and Electronics course. When I first heard about this course offering, I immediately jumped on the opportunity to participate. After all, MIT’s reputation in engineering is known […]
Posts categorized under ‘Engineering’
Simple Software Filter — Part 2
In part 1 of this article we introduced a general simple formula to implement a practical, simple digital filter (software routine), and presented some concepts. In this new article we elaborate a bit more, discussing why the filter formula works […]
Simple Software Filter
There are many times where you would like to “stabilize” an input signal so that you don’t see the input value “jumping” so much. This is specially true on the MilliVolt Signal range, where nearby noise present can disturb the […]
Learn Process Control – The easy way (Part 5/5)
On part 3 we found the FOPDT equation parameters. The FOPDT gives us a very good approximation to the actual response from the process. With this model of the process, it is easy to find suitable PID tuning values. The […]
Learn Process Control – The easy way (Part 4/5)
Here is a recap of what we have accomplish so far: 1. We have built a model of a heating system with thermostat. We have done this so that we can test our control, since we do not actually have an […]
Learn Process Control – The easy way (Part 3/5)
In this part we learn how to analyze the response from our plant in order to build a FOPDT model of the process. The model will then be used to come up with robust PID parameters. The step response and […]
Learn Process Control — The easy way (Part 2/5)
We have built our model of a heating system. Now we have something to test and tinker with. I have added a manual control to our heating model. The idea is to switch the controller to manual mode, and generate […]
Learn Process Control — The easy way (Part 1/5)
All right. It is hard to learn process control if you are not “there” and have the chance to experience it. Just reading about the theory from a book or from class does not do too much towards gaining a […]
Multi-point calibration: The basics
Have you ever wondered how to perform a multi point calibration? Here is a quick how-to. In an ideal world, sensors and other devices wouldn’t need to be calibrated. The sensor output signal would be completely linear and proportional to […]
DC Motor power supply">Choosing DC Motor power supply
With DC motors, the voltage is directly proportional to motor speed. As a matter of fact, motor speed is given by this simple and elegant formula: n=k*V ; where n = speed (rpm), k = speed constant, V = voltage […]
