Category: Mechatronics, Industrial Control & Instrumentation
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How the Wiegand Effect is used in Sensing Instruments
The Concept behind Wiegand Effect Based Sensors The Wiegand effect technology employs the unique magnetic properties of specially processed, small-diameter ferromagnetic wire. By causing the magnetic field of this wire to abruptly reverse, a sharp, uniform voltage is generated. … Read more
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Piezoelectric Accelerometer: Principle of Operation & Applications
An accelerometer is a sensor that is designed to measure acceleration or rate of change of speed due to motion, vibration e.g. from rotating equipment and impact events such as the deployment of an automobile airbag. Accelerometers are usually mechanically … Read more
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The USB-6009 Data Acquisition Card Features
The USB-6009 is a small external data acquisition and control device manufactured by National Instruments that is normally connected to a computer through a USB port. It is used in applications such as simple data logging, academic lab experiments and … Read more
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How X-Y Tables are used in Position Control Applications
X-Y tables are utilized as components in many systems where reprogrammable position control is desired. The X-Y table is two servo-controlled linear actuators (often servomotors and ball screws) with their linear axes perpendicular to each other. Fig: X-Y table, … Read more
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Techniques used in Stopping DC Motors
Stopping of a motor is actually a form of speed control. Methods used to stop DC motors are in a way similar to speed control techniques. To stop a motor, you must accelerate in the direction opposite to that in … Read more
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Vision Sensors: Features, Concepts & Applications in Manufacturing
Vision Sensors A vision sensor is basically a TV camera connected to a computer, usually a PC. Special vision software analyzes the video image and makes specific recommendation to the work area. Vision systems require computing power to process thousands … Read more
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Cable Screens: Types & Connections
Electromagnetic Compatibility (EMC) is one of the key factors of consideration in the design, construction, manufacture and installation of electrical and electronic equipment and systems. Electrical equipment must be designed not only to meet a functional technical performance specification but … Read more
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DIY Home Automation: Control Home Appliances with Wi-Fi & Mobile App
Home automation has become increasingly popular, providing convenience, energy efficiency, and enhanced security. Imagine being able to control your home appliances with just a tap on your mobile phone, whether you’re at home or miles away. In this DIY project, … Read more
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Single-Ended vs. Differential Amplifiers
Most often than not, the signal from the sensor in a measurement and control or monitoring system is very small (one millivolt or less) and a key step in signal conditioning is amplification. Therefore, the sensor is often connected to … Read more
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6 Types of Machine Guards
What is Machine Guarding? Most machines have cutting blades or rotating/moving parts that can cause bodily harm if they come in contact with plant workers operating the equipment or working nearby. To protect workers from hazards related to machinery, machine … Read more