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  2. Proportional–integral–derivative controller - Wikipedia

    en.wikipedia.org/wiki/Proportional–integral...

    A block diagram of a PID controller in a feedback loop. r(t) is the desired process variable (PV) or setpoint (SP), and y(t) is the measured PV. The distinguishing feature of the PID controller is the ability to use the three control terms of proportional, integral and derivative influence on the controller output to apply accurate and optimal ...

  3. List of free electronics circuit simulators - Wikipedia

    en.wikipedia.org/wiki/List_of_free_electronics...

    List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE. The following table is split into two groups based on whether it has a graphical visual interface or not.

  4. MapleSim - Wikipedia

    en.wikipedia.org/wiki/MapleSim

    System-level simulation for Heat Transfer effects in MapleSim model based on automatically generated discretization approach. MapleSim Control Design Toolbox. Provides a set of commands for controller design such as PID working with plant models designed by MapleSim. These commands are used in Maple. MapleSim Explorer

  5. LTspice - Wikipedia

    en.wikipedia.org/wiki/LTspice

    LTspice is a SPICE-based analog electronic circuit simulator computer software, produced by semiconductor manufacturer Analog Devices (originally by Linear Technology). [2] It is the most widely distributed and used SPICE software in the industry. [6]

  6. Quite Universal Circuit Simulator - Wikipedia

    en.wikipedia.org/wiki/Quite_Universal_Circuit...

    Quite Universal Circuit Simulator (Qucs) is a free-software electronics circuit simulator software application released under GPL.It offers the ability to set up a circuit with a graphical user interface and simulate the large-signal, small-signal and noise behaviour of the circuit.

  7. PSIM Software - Wikipedia

    en.wikipedia.org/wiki/PSIM_Software

    There are modules that enable motor drive simulation, digital control, and the calculation of thermal losses due to switching and conduction. [9] There is a renewable energy module which allows for the simulation of photovoltaics (including temperature effects), batteries, supercapacitor , and wind turbines.

  8. Ngspice - Wikipedia

    en.wikipedia.org/wiki/Ngspice

    Cider [7] adds a numerical device simulator to ngspice. It couples the circuit-level simulator to the device simulator to provide enhanced simulation accuracy (at the expense of increased simulation time). Critical devices can be described with their technology parameters (numerical models), all others may use the original ngspice compact models.

  9. Smith predictor - Wikipedia

    en.wikipedia.org/wiki/Smith_predictor

    The Smith predictor (invented by O. J. M. Smith in 1957) is a type of predictive controller designed to control systems with a significant feedback time delay. The idea can be illustrated as follows. The idea can be illustrated as follows.