Automated systems and controls are a fundamental part of modern life
They include any system that uses a sensor and then automatically makes adjustments to the system based on the data the sensor provides
That means everything from the automatic gate at a parking ramp to complex robot-driven manufacturing systems
What are the earliest implementations of automatic control systems?
B R Mehta, Y J
Reddy, in Industrial Process Automation Systems, 2015 Earliest implementations of automatic control systems involved pneumatic transmission of signals
They used compressed air as the medium for signal transmission and actuation
Actual control commands were computed using elements such as springs and bellows
Who is automatic controls engineering?
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Automatic controls engineering
System adjusting the output of electric generators
In an electric power system, automatic generation control (AGC) is a system for adjusting the power output of multiple generators at different power plants, in response to changes in the load. Since a power grid requires that generation and load closely balance moment by moment, frequent adjustments to the output of generators are necessary. The balance can be judged by measuring the system frequency; if it is increasing, more power is being generated than used, which causes all the machines in the system to accelerate. If the system frequency is decreasing, more load is on the system than the instantaneous generation can provide, which causes all generators to slow down.
Faculty of Electronic Engineering, Menoufia University
University in Menoufia Governorate, Egypt
Branch of engineering studying process variables
Instrumentation and control engineering (ICE) is a branch of engineering that studies the measurement and control of process variables, and the design and implementation of systems that incorporate them. Process variables include pressure, temperature, humidity, flow, pH, force and speed.
Reliance Controls Corporation is an electrical products company based in Racine, Wisconsin, founded as Reliance Automatic Lighting Company in 1909 with the invention of the heavy-duty commercial time switch. The company's products include heavy duty time clocks and controls, transfer switches and transfer panels for portable generators and inverters, and generator accessories. Reliance also sells heavy duty outdoor generator power cords, outdoor remote power inlet boxes, home monitoring systems, and NEMA-style plugs and connectors.
In cybernetics and control theory
Target value for the process variable of a control system
In cybernetics and control theory, a setpoint is the desired or target value for an essential variable, or process value (PV) of a control system, which may differ from the actual measured value of the variable. Departure of such a variable from its setpoint is one basis for error-controlled regulation using negative feedback for automatic control. A setpoint can be any physical quantity or parameter that a control system seeks to regulate, such as temperature, pressure, flow rate, position, speed, or any other measurable attribute.
In an electric power system
System adjusting the output of electric generators
In an electric power system, automatic generation control (AGC) is a system for adjusting the power output of multiple generators at different power plants, in response to changes in the load. Since a power grid requires that generation and load closely balance moment by moment, frequent adjustments to the output of generators are necessary. The balance can be judged by measuring the system frequency; if it is increasing, more power is being generated than used, which causes all the machines in the system to accelerate. If the system frequency is decreasing, more load is on the system than the instantaneous generation can provide, which causes all generators to slow down.
Faculty of Electronic Engineering, Menoufia University
University in Menoufia Governorate, Egypt
Branch of engineering studying process variables
Instrumentation and control engineering (ICE) is a branch of engineering that studies the measurement and control of process variables, and the design and implementation of systems that incorporate them. Process variables include pressure, temperature, humidity, flow, pH, force and speed.
Reliance Controls Corporation is an electrical products company based in Racine, Wisconsin, founded as Reliance Automatic Lighting Company in 1909 with the invention of the heavy-duty commercial time switch. The company's products include heavy duty time clocks and controls, transfer switches and transfer panels for portable generators and inverters, and generator accessories. Reliance also sells heavy duty outdoor generator power cords, outdoor remote power inlet boxes, home monitoring systems, and NEMA-style plugs and connectors.
In cybernetics and control theory
Target value for the process variable of a control system
In cybernetics and control theory, a setpoint is the desired or target value for an essential variable, or process value (PV) of a control system, which may differ from the actual measured value of the variable. Departure of such a variable from its setpoint is one basis for error-controlled regulation using negative feedback for automatic control. A setpoint can be any physical quantity or parameter that a control system seeks to regulate, such as temperature, pressure, flow rate, position, speed, or any other measurable attribute.
