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A data acquisition system is a collection of software and hardware that allows one to measure or control the physical characteristics of something in the real world. A complete data acquisition system consists of DAQ hardware, sensors and actuators, signal conditioning hardware, and a computer running DAQ software.
Examples of sensors include smoke detectors, motion sensors, and contact sensors. Examples of actuators include smart locks, smart power outlets, and door controls. Popular control platforms on which third-party developers can build smart apps that interact wirelessly with these sensors and actuators include Samsung's SmartThings, [295] Apple's ...
Different types of light sensors. A sensor is a device that produces an output signal for the purpose of detecting a physical phenomenon.. In the broadest definition, a sensor is a device, module, machine, or subsystem that detects events or changes in its environment and sends the information to other electronics, frequently a computer processor.
The operator interfaces which enable monitoring and the issuing of process commands, such as controller setpoint changes, are handled through the SCADA computer system. The subordinated operations, e.g. the real-time control logic or controller calculations, are performed by networked modules connected to the field sensors and actuators.
An example of usability testing is the development of fly-by-wire flight controls. Fly-by-wire flight controls eliminate the mechanical linkages between the flight controls and the aircraft control surfaces. Sensors communicate the demanded flight response and then apply realistic force feedback to the fly-by-wire controls using motors.
For example, an actuator may be used to adjust the flow rate of a fluid or to adjust the position of a valve. Operator interfaces: Operator interfaces are used by human operators to monitor the process and make manual adjustments if necessary. These interfaces may include computer screens, buttons, and other controls.
The actuators in the hand grip are able to give varied and intuitive feedback about in-game actions; for example, in a sandstorm, the player can feel the wind and sand, and the motors in the Adaptive Triggers support experiences such as virtually drawing an arrow from a bow.
The parameters of the sensors and actuators are device- and technology-specific, which is why parameter information in the form of an IODD (IO Device Description) with the description language XML. The IO-Link community provides interfaces to an "IODD Finder", [ 3 ] which can be used by engineering or master tools to present the appropriate ...