Ask the Automation Pros: How Can You Ensure the Best Rate of Change in the PID Manipulated Variable?

What is the best strategy to get the best rate of change in the PID for a manipulated variable, or is there a more elegant ...
Machine Design

Engineering Essentials: A Closer Look at the I’s and O’s of VFDs

As variable frequency drives (VFDs) are becoming the primary go-to solution for motor control, their capability is not something that can be matched. With every new generation comes better performance ...
Investopedia

Understanding Diminishing Marginal Returns and Returns to Scale

Christina Majaski writes and edits finance, credit cards, and travel content. She has 14+ years of experience with print and digital publications. Michael Boyle is an experienced financial ...
EDN

Enabling a variable output regulator to produce 0 volts? Caveat, designer!

For some time now, many of EDN’s Design Ideas (DIs) have dealt with ground-referenced, single-power-supplied voltage regulators whose outputs can be configured to produce zero or near-zero volts [1][2 ...
EDN

Frequency and phase locked loops

The purpose of a phase locked loop (PLL) is to generate a frequency and phase-locked output oscillation signal. To achieve this goal, prior art essentially functioned ...
PBS

Episode 2: Understanding Input and Output

Techne, Tomas, and Anya learn how computers “talk” with us through input and output. Techne, Tomas, and Anya learn how computers “talk” with us through input and output. Related resources for teachers ...
Investopedia

Understanding How Fixed and Variable Costs Shape Production Costs

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...