Mechatronics, Industrial Control & Instrumentation

Single-Phase & Three-Phase Inverters: Function and Operation

What is the Purpose of Inverters? Whereas dc machines are controlled by varying the voltage and current, ac machines are…

5 months ago

Causes of Ground Loops in Instrumentation & How to Avoid Them

Causes of Ground Loops In Instrumentation We may have situations in instrumentation and control systems, where the sensor and the…

5 months ago

Telemetry in Instrumentation Systems

Telemetry can be defined as the science of gathering information at some remote location and transmitting the data to a…

5 months ago

Sources of Coherent Interference/Noise in Instrumentation Systems

Introduction The knowledge of how to design low noise instrumentation systems is an essential skill that any practicing instrumentation engineer…

6 months ago

Fiber Optic Temperature Sensors: Principle of Operation & Applications

As the name suggests these sensors employs fiber optics technology to function. A fiber optic sensor generally guides light to…

6 months ago

Non-Destructive Testing (NDT) Instrumentation

The increasing requirement to demonstrate the integrity and reliability of engineering materials, products and plant has contributed immensely to the…

6 months ago

How Interferometers are used as Position Sensors

Interferometer sensors employ energy in the form of light or sound to make precise position/location measurements. There are a number…

7 months ago

Principle of Operation of Magnetostrictive Position Sensors

Magnetostrictive sensors detect the location of a magnetic ring that slides along a conductive metal tube; in other words this…

7 months ago

How to Connect Discrete Sensors to PLC Inputs

Discrete Sensor Outputs   Basically sensor outputs can be categorized into two types: discrete also referred to discrete or logic…

7 months ago

Photoelectric Pressure Transducer Operation

The photoelectric pressure transducer uses a phototube and a light source (either a stable source of light or ac modulated…

7 months ago