The goal of controlling a system is to reach or retain stability. In control theory, stability is described with the Lyapunov stability criteria and mathematical models that set into relation the ...

ISA recently published the third edition of Basic and Advanced Regulatory Control: System Design and Application by Harold L. Wade, Ph.D., PE. In this Q&A feature, Dr. Wade highlights the focus, ...

The Definitions and Basic Control Concepts Technical Report defines specialized terms and basic control concepts used within the ISA77 series documents and in the fossil fuel power industry. The terms ...

Editor’s note: In Part one, we looked at an intro and the basics of linear regulator and switching power supply operation. This final part two will look at design considerations of the switching power ...

Modern access control systems provide key protection to buildings and people. Planning and building a system using quality, properly rated cable will help guarantee long-term performance, a healthy ...

You've heard it before: "I'm not trying to sell you anything," but then you find out they are. "I'm not trying to change your way of doing things," but then it sure sounds like they're knocking ...

Heating, ventilation and air conditioning (HVAC) is the technology for indoor and automotive ambient comfort. HVAC facilitates in managing the pleasant climate inside the cabin by controlling the ...