The post AutoQuiz: How to Measure and Compensate for Disturbances to Prevent Set Point Deviance first appeared on the ISA Interchange blog site.
Today’s automation industry quiz question comes from the ISA Certified Automation Professional certification program. ISA CAP certification provides a non-biased, third-party, objective assessment and confirmation of an automation professional’s skills. The CAP exam is focused on direction, definition, design, development/application, deployment, documentation, and support of systems, software, and equipment used in control systems, manufacturing information systems, systems integration, and operational consulting. Click this link for information about the CAP program. The following question comes from the CAP study guide, Performance Domain I, Feasibility Study: Identify scope and justify the automation project.
Which of the following control strategies works to measure disturbances and compensate for them before they cause the controlled variable to deviate from the set point?
d) open loop
e) none of the above
Source: ISA News