Observers or Sensors for Drive Controls? This article shows why open-loop, algorithmic motor control is an accurate, less-costly alternative to sensor-based drive solutions. In combination, the two offer unique redundancy value. Read why.
Closed-Loop PID Algorithms in Motion/Motor Control Motion expert and Control Design contributor Ernst Dummermuth explains PID and says to use differential feed forward for numerical controls, or integral feed backward for trajectory control of motion.
Automation Causes Job Destruction We automation professionals first laid waste to employment in the agricultural sector worldwide through automation and we now have manufacturing in our cross hairs.
Advances in AC Drive Technology It seems that AC drives and motors are becoming serious alternatives to DC and even hydraulic-powered control solutions. Contributing Editor Wayne Labs investigates the implications for today's machine builder.
Motors and Drives: Dare to Differentiate Our roundup of new motors and drives for industrial machine applications shows a technology marketplace that's more easily integrating machine control hardware and software, while providing better capabilities.
Ups and Downs of Taking the Bus—Part II In this two-part series, Wyeth's Gary Forrest discusses the challenges and benefits of implementing fieldbus technologies at a new bioprocess development facility. The first part can be read in the Q2 issue of Industrial Networking or by visiting IndustrialNetworking.net/wyeth1 right now.
Are PCs Ready for Control and HMI? Suggestions on how to save some money and gain functionality by combining control and HMI into one PC-based platform.
More Than a Backbone Fiberoptic media offer network benefits over copper in industrial environments.
Books for Success in the Automation, Instrumentation and Controls Industry Covering the world of automation, instrumentation and control, these industry books available from ISA are authoritative, thorough, and written and reviewed by experts. See the extensive array of books selected by our Editors and available through ControlDesign.com that are designed to help students, professionals and practitioners succeed with today's automation challenges.
Programmable logic controllers (PLCs) and programmable automation controllers (PACs) are the brains of the machine in many regards. They have evolved over the years.This new State...
Special considerations and requirements make packaging equipment an interesting vertical market unto itself. This new State of Technology Report from the editors of ...
This paper examines highly sensitive piezoelectric sensors for precise vibration measurement which is critical in semiconductor production to prevent quality and yield issues....