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  2. List of free electronics circuit simulators - Wikipedia

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

    Windows, macOS, Linux VHDL, Verilog (only pure digital simulations) [9] Qt GUI; uses own SPICE-incompatible simulator Qucsator for analog Qucs-S [1] various contributors: 2024 Fork of Qucs that supports SPICE-compatible simulator backends: Ngspice, Xyce, SpiceOpus, Qucsator InfineonSpice [10] Infineon Technologies: 2024 Windows, Wine: Analog ...

  3. List of HDL simulators - Wikipedia

    en.wikipedia.org/wiki/List_of_HDL_simulators

    The first Verilog simulator available on the Windows OS. The simulator had a cycle-based counterpart called 'CycleDrive'. FrontLine was sold to Avant! in 1998, which was later acquired by Synopsys in 2002. Synopsys discontinued Purespeed in favor of its well-established VCS simulator. Quartus II Simulator (Qsim) Altera: VHDL-1993, V2001, SV2005

  4. Proportional–integral–derivative controller - Wikipedia

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

    In addition to feed-forward, PID controllers are often enhanced through methods such as PID gain scheduling (changing parameters in different operating conditions), fuzzy logic, or computational verb logic. [34] [35] Further practical application issues can arise from instrumentation connected to the controller. A high enough sampling rate ...

  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. 20-sim - Wikipedia

    en.wikipedia.org/wiki/20-sim

    20-sim is a commercial modeling and simulation program for multi-domain dynamic systems, which is developed by Controllab. 20-sim allows models to be entered as equations, block diagrams, bond graphs and physical components. 20-sim is used for modeling complex multi-domain systems and for the development of control systems.

  7. PLECS - Wikipedia

    en.wikipedia.org/wiki/PLECS

    The PLECS Coder is an add-on to PLECS Blockset and PLECS Standalone. It generates ANSI-C code from a PLECS model which can be compiled to execute on the simulation host or a separate target. The target can be an embedded control platform or a real-time digital simulator. The PLECS Coder can also produce embedded code for specific hardware targets.

  8. Ziegler–Nichols method - Wikipedia

    en.wikipedia.org/wiki/Ziegler–Nichols_method

    The Ziegler–Nichols tuning (represented by the 'Classic PID' equations in the table above) creates a "quarter wave decay". This is an acceptable result for some purposes, but not optimal for all applications. This tuning rule is meant to give PID loops best disturbance rejection. [2]

  9. List of open-source software for mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_open-source...

    Written in C++, maintained by Bernard Parisse's et al. and available for Windows, Mac, Linux and many others platforms. It has a compatibility mode with Maple, Derive and MuPAD software and TI-89, TI-92 and Voyage 200 calculators.