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A control loop is the fundamental building block of control systems in general and industrial control systems in particular. It consists of the process sensor, the controller function, and the final control element (FCE) which controls the process necessary to automatically adjust the value of a measured process variable (PV) to equal the value of a desired set-point (SP).
If xxx1 is omitted, we get a loop with the test at the top (a traditional while loop). If xxx2 is omitted, we get a loop with the test at the bottom, equivalent to a do while loop in many languages. If while is omitted, we get an infinite loop. The construction here can be thought of as a do loop with the while check in the middle. Hence this ...
The control action is the switching on/off of the boiler, but the controlled variable should be the building temperature, but is not because this is open-loop control of the boiler, which does not give closed-loop control of the temperature. In closed loop control, the control action from the controller is dependent on the process output.
collateralized debt obligation cash-flow diagram. interest rate swap cash-flow diagram. A cash-flow diagram is a financial tool used to represent the cashflows associated with a security, "project", or business. As per the graphics, cash flow diagrams are widely used in structuring and analyzing securities, particularly swaps.
Hardware-in-the-loop (HIL) simulation, also known by various acronyms such as HiL, HITL, and HWIL, is a technique that is used in the development and testing of complex real-time embedded systems. HIL simulation provides an effective testing platform by adding the complexity of the process-actuator system, known as a plant , to the test platform.
Baddeley's model of the phonological loop. The phonological loop (or articulatory loop) as a whole deals with sound or phonological information.It consists of two parts: a short-term phonological store with auditory memory traces that are subject to rapid decay and an articulatory rehearsal component (sometimes called the articulatory loop) that can revive the memory traces.
Also the Colt Python Hunter was unveiled, which was the 8-inch Python with Pachmayr grips, factory-mounted 2X Leupold scope on the barrel with Redfield mounts, and packaged in a Haliburton case that included a Colt-marked plastic ammunition box, wood handle cleaning rod and tool kit. The Colt Python Hunter was the first field-ready handgun ...
Android (all supported versions, as far back as version 4.4 of the Android Open Source Project) has the option to provide a verified boot chain with dm-verity. This is a feature in the Linux kernel that allows for transparent integrity checking of block devices. [308] [309] This feature is designed to mitigate persistent rootkits.