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Author Profile
Gregory K. McMillan
271 Results Found
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FeatureWebinar Recording: How to Use Modern Process Control to Maintain Batch-To-Batch Quality
Understanding the challenges of batch process control can lead to solutions that offer much higher levels of efficiency and capacity. -
FeatureWhat Types of Process Control Models are Best?
First principle models can be used to gain a deeper understanding of cause and effects, process relationships, process gains, and the response to abnormal situations. -
FeatureHow to Get Rid of Level Oscillations in Industrial Processes
Use rate limiting when a ripple is significantly faster than a true change in the process variable. The velocity limit is the maximum possible rate of change of the level. -
FeatureWebinar Recording: Loop Tuning and Optimization
Learn about the importance of process optimization and how to achieve it through better PID control from members of the ISA Mentor Program. -
FeatureHow to Optimize Industrial Evaporators
Model predictive control software identifies the dynamics and automatically incorporates them into the industrial evaporator controller. -
FeatureHow to Calibrate a Thermocouple Temperature Transmitter
For critical industrial measurements, place the thermocouple in a bath or dry block or cross check the reading against another thermocouple. -
FeatureKey Insights to Control System Dynamics
Learn important strategies and concepts that can lead to a better industrial career and significantly improved system performance at your plant or facility. -
FeatureHow to Measure pH in Ultra-Pure Water Applications
Ultra-pure water applications pose special problems because of the exceptionally low conductivity of the fluid from the absence of ions. The consequences are extreme sensitivity to fluid velocity and -
FeatureHow to Optimize PID Controller Settings and Options
Technical guidance on ways to optimize settings and options for PID controllers from industry veteran Greg McMillan and participants in ISA's Mentor Program. -
FeatureWebinar Recording: Feedforward and Ratio Control
Key insights on how feedforward control often simplifies to ratio control. -
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Webinar Recording: Strange but True Process Control Stories
Listen to Greg McMillan's lessons learned the hard way during a 40-year career in process control industries. Many of the mistakes made in the field are still being made today, some posing safety risk -
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Webinar Recording: Temperature Measurement and Control
Temperature is the most important common measurement that is critical for process efficiency and capacity. -
FeatureWhat are New Technologies and Approaches for Batch and Continuous Process Control?
For any type of analysis or prediction, whether using ANN or MSPC, you need to have inputs that show the variability in the process. -
FeatureWhat Are Best Practices and Standards for Control Narratives?
When creating detailed control narratives for existing controls, use established standards and industry best practices. -
FeatureWhen and How to Use Derivative Action in a PID Controller
The least frequently used mode in a PID controller, derivative is more useful when dead time is not pure dead time but is a series of small time constants. -
FeatureHow to Manage Pipeline Valve Positioner and PID Tuning
In general use the highest valve positioner gain that does not cause oscillation. For pipeline flow and pressure control, oscillations are not filtered. -
FeatureWebinar Recording: How to Get the Most Out of Control Valves
The data that is really needed when selecting and sizing a control valve is rarely understood and specified. -
FeatureHow to Overcome Challenges of PID Control and Analyzer Applications via Wireless Measurements
An enhanced PID controller simplifies tuning and improves loop stability and reliability for loops dominated by discontinuous measurement updates. -
FeatureFeedforward Control Enables Flexible, Sustainable Manufacturing
Feedforward provides preemptive corrective action for production rate and grade changes enabling key PID controllers to provide consistent product quality. -
FeaturePID Controller Tuning Rules
Safety, equipment and environmental protection, process efficiency and capacity, product quality, and control system maintenance depend on PID tuning. -
FeatureWhat Are Best Cutover Strategies for Upgrading an Industrial Plant?
When retrofitting an industrial plant, review budget, schedule, financial justification for the project, as well as all areas of concern such as shutdown. -
FeatureHow to Avoid Common Tuning Mistakes With PID Controllers
The success of advanced control depends on the basic control system foundation. The PID controller is the common key component of all control loops. -
FeatureThe Good, Bad, and Ugly of Thermal Mass Flowmeters
Thermal mass flowmeters can be a relatively inexpensive flowmeter that can handle extremely small and large flows -
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PID Tuning for Near and True Integrating Processes
The most important loops on vessels and columns typically have a near or true integrating response. -
FeatureWhat are the Equivalent Methods to Eliminate Proportional Step and Derivative Kick?
There are several methods for eliminating or controlling the proportional step and derivative kick in a PID output resulting from a change of setpoint. -
FeatureWhat Is the Definition of PID Bumpless Transfer?
Bumpless transfer and how a new operating point can be achieved quickly and smoothly after the PID is switched to automatic mode. -
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How Do You Measure Control System Performance?
Seek a suite of practical metrics in terms of key performance indicators that can have an impact on plant control system performance. -
FeatureHow Do You Convert Tuning Settings of an Independent PID?
Considerable confusion exists on how the PID Form affects tuning settings. Lack of understanding of Form & units of settings can lead to disastrous results. -
FeatureHow to Better Understand Integrating and Runaway Process Dynamics
Technical discussion on how to improve industrial automation operations by understanding integrating and runaway process dynamics -
FeatureBetter Process Control by Understanding Self-Regulating Process Dynamics
The three types of processes in the automation industry are self-regulating, integrating, and runaway.