General Concepts 2 min read
Head type flowmeters – Based on Differential Pressure Measurement
In these head type flowmeters, some devices is inserted into a pipe carrying fluid. It obstructs the flow of fluid…
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How to Measure Flow Using Orifice Meter
Basic Principle of Orifice Meter When an orifice plate is placed in a pipe carrying the fluid whose rate of…
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Flow Measurement Using Flow Nozzle
Basic Principle of Flow Nozzle: When a flow nozzle is placed in a pipe carrying whose rate of flow is…
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Distributed control system
Definition: A collection of processing elements, which are inter connected both logically and physically with decentralized system, wide control of…
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Distributed Control System – Architecture
The structure of a DCS is often referred to as its architecture. In terms of functional modules, DCS’s from various…
General Concepts 2 min read
Distributed Control System – Architecture Part 2
This part is the continuation of my previous post on Distributed Control System – Architecture. The figure below shows a generalized architecture…
General Concepts 1 min read
Data acquisition system
Data acquisition systems are used for large number of applications in industrial and scientific areas like aerospace and telemetry industries.…
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Basic control system definitions
Controlled variable: the quality or condition characterizing a process whose value is held constant by a controller or is changed…
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Requirements of a Control System
Stability, accuracy and speed of response are the three requirement s of a control system. Stability: A system is to…
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Types of control systems
There are two types of control systems namely: 1. Open loop control systems (non-feedback control systems) 2. Closed loop control systems (feedback…
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Feedback control system or closed loop control system
There are number of techniques used for process control system that are useful in the analysis and design of modern…
General Concepts 1 min read
Classification of Bridges
The two Types of bridges are, 1. D.C Bridges 2. A.C Bridges The D.C bridges are used to measure the resistance while…