What are feedback and feedforward control?
What is an industrial process? The major objective of an industrial plant is to create high-quality products. These products would be sold at a good...
Tag : CONTROL
What is Governor and how it is used in Turbine?
What is Governor? A governor is a device that measures and controls a machine’s speed, such as an engine. The centrifugal governor, also known as...
DIFFERENCE BETWEEN FEEDBACK AND FEEDFORWARD CONTROL LOOPS
INTRODUCTION There are so many control loops in the industries nowadays.In this session we are going to discuss about difference between feedback and feedforward controls loops...
How to increase Boiler efficiency?
Introduction Boiler Controls are specifically designed equipments that maximize the efficiency of new and / or existing boiler and burner plant. Boiler Controls equipment is...
What are Open Loop & Closed Loop system
Introduction There are two types of control systems namely Open Loop & Closed Loop system ...
Working of an Override Control
Introduction The override control concept is a technique by which process variables are kept with in certain limits, usually for protective purposes. Override control maintains the process in operation but within and under safer conditions. Override control To illustrate override control, consider the simple process shown in Figure A hot, saturated liquid enters a process surge...
How does a process control work?
Introduction. Process control is the automatic control of an output variable by sensing the amplitude of the output parameter from the process and comparing it...
WHAT IS ADAPTIVE CONTROL?
ADAPTIVE CONTROL Adaptive control is a method whereby the gain of a system can be varied depending on the position of the set point. The...
WHAT IS RATIO CONTROL ?
RATIO CONTROL A ratio controller is a special type of feed forward controller where disturbances are measured and their ratio is held at a desired...