Ask the Automation Pros
This long-running series of discussions, curated by 2010 ISA Life Achievement Award recipient Greg McMillan, gathers responses from ISA subject-matter experts on technical topics important to industrial automation professionals, academics and students.
155 Results Found
-
Feature
Always Design in Spare Capacity to Allow for Industrial Plant Expansion
A common rule of thumb for most systems is to add at least 25 percent spare capacity to the original design. -
Feature
How to Improve Setpoints in Industrial Processes
Setpoints in industrial automation and manufacturing processes can be improved by achieving a higher level of control and knowledge. -
Feature
Murphy's Law Is Alive and Well in Industrial Processes
Automation engineers love to create complex solutions. But try not to complicate a solution any more than necessary. -
Feature
How to Use a Coriolis Meter for Mass Flow and Concentration Control
Coriolis meters can be used for measuring liquid flows in batch, fed-batch and continuous operations. -
Feature
Benefits and Shortcomings of Vortex Flowmeters
Vortex flowmeters are a good choice for measuring the flow rate of any reasonably clean fluid where measurement at very low flows is not required. -
Feature
How Equipment and Operating Conditions Affect Process Dynamics
Simple material and energy balances can be developed to understand the effects of equipment design and operating conditions on process dynamics. -
Feature
What are the Strengths and Weaknesses of Differential Pressure Flow Devices?
Each type of differential pressure flowmeter has a variety of pros and cons but the sheer number of types provides many options to the engineer -
Feature
Why a Virtual Plant Is Crucial for Process Control Improvement
A virtual plant provides uses the actual plant’s control system & operator interface crucial for training and all levels of process control improvement. -
Feature
The Benefits of Learning the Industrial Codes
Try to learn at least one relevant industrial code or one code section each year and seek to apply that knowledge often so that it is not lost. -
Feature
How to Use High Rangeability Flowmeters and Valves to Increase Plant Turndown
To increase plant turndown, use control valves and flow measurements with the best low flow response and precision. -
Feature
How to Specify a Capillary Seal Assembly
Be extremely careful to select knowledgeable technicians to install capillary seals. Many a pipefitter has pulled them out of the box and bolted them up without the proper gaskets and spacers. If this -
Feature
How to Maximize Loop Coordination and Optimization
Employ setpoint filters, velocity limits and external-reset feedback to meet the process control objectives at your plant or facility. -
Feature
How to Eliminate Split Range Oscillations in Process Control
Use precise valves, scheduled tuning, external-reset feedback, directional rate setpoint limits, and an enhanced PID to stop split range oscillations. -
Feature
The Value of Process in Designing or Improving an Industrial Control System
Designing and/or improving a control system is practically impossible if the team does not understand the process. -
Feature
Why You Should Not Use On-Off Valves as Control Valves
On-off valves should not be used as control valves (for throttling) and control valves should not be used as on-off valves (for isolation). -
Feature
Why Operators Can Make or Break an Automation Project
Operator buy-in and approval are critical to automation project success. Get the operators involved in the design process early and listen to what they say. -
Feature
Why You Should Look for Opportunities to Improve Plant Profitability
Estimate benefits from a decrease in variability & an increase production rate. Implement solutions where an increase in plant profitability is justified -
Feature
Pitfalls of Selecting Low-Cost Industrial Instrumentation
Buying high-quality instrumentation does not mean that the buyer has to pay list price. -
Feature
Why You Should Use an Enhanced PID for At-Line and Off-Line Analyzers
An enhanced PID can simplify the tuning and improve the stability for loops with large and/or variable analyzer update times.












