NANOSENSORS

Nanosensor is an extremely small device capable of detecting and responding to physical stimuli with dimensions on the order of one billionth of a meter. Physical Stimuli: biological and chemical substances, displacement, motion, force, mass, acoustic, thermal, and electromagnetic. Major advantages of Nanosensors are, they are Smaller, Require less power to run, Greater sensitivity, Better…

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Cloud based SCADA

Cloud computing is a model for enabling ubiquitous convenient,on-demand network access to a shared pool of configurable computing resources(eg.networks,servers,storage,applications and services)that can be rapidly provisioned and released with minimum management effort or service provider interaction.the cloud model promotes availability and is composed of five essential characteristic,three service models,and four deployment models. The fusion of IoT…

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WORLD’S SMALLEST BLUE LASER DIODE

Light is creating new opportunities in areas as diverse as mini-projectors and data transmission. Osram has developed the world’s smallest blue laser diode in what marks the first step toward the production of tiny projectors that can be installed in cell phones and digital cameras. It may thus soon be possible for mobile terminals to…

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Definition of a Servo System

Electronic motion control is a multi-billion-dollar industry. Servo motion is a fraction of that industry, sharing it with non-servo motion, such as stepper motors and variable-frequency systems. A servo system is defined here as the drive, motor, and feedback device that allow precise control of position, velocity, or torque using feed-back loops. Examples of servomotors…

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Programmable Automation Controller (PAC)

While PLCs (programmable logic controllers) have been around for more than 40 years, recent advances have greatly increased their capabilities, blurring the line between a PLC and PAC (programmable automation controller). What differences remain between these two categories? Is there a performance gap between PLCs and PACs that users should keep in mind when choosing…

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