process control

Furnace Control System for a Rapidly Changing Demand

Let’s consider the figure below: Figure 1.0 Typical single-fuel cross-limited combustion control system In the system above, the output of…

2 years ago

Industrial Process Temperature Control System

Let’s consider the industrial process control system shown below: Figure 1.1 Industrial Process Temperature Control System The requirement is to…

2 years ago

How to Perform Mass flow Measurements with DP sensors

Let’s assume we are measuring flow by differential-creating primary device for example an orifice plate and a DP cell as…

3 years ago

Instrumentation and Controls for a Steam Desuperheater

A steam generator is an item of plant equipment that is found in almost every manufacturing site, and its output…

3 years ago

The Instrumentation for Furnace Control

The figure below shows a typical basic furnace used to raise the temperature of a heat-transfer medium that is used…

3 years ago

Analog Proportional Controller

An analog controller typically employs op-amps to provide the necessary gain and signal processing. Let’s consider the flow control system…

3 years ago

Electric Solenoid Actuator – Features & Operation

A typical electric solenoid actuator consists of a coil, armature, spring, and stem. This is illustrated in the figure below:…

3 years ago

Pressure Control Valve Operation

A pressure control valve is a spring-loaded valve that is capable of maintaining a constant pressure in a system regardless…

3 years ago

Key Factors to Consider in Selection of Valves

Valves are the final element in a control loop, and are critical in providing the correct flow. The valve, usually…

3 years ago

Basic Steps to Consider in Designing a Control System

Typically a control system should be designed to work together with an already existing process. The control design problem can…

3 years ago