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  2. Proportional–integral–derivative controller - Wikipedia

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

    With these controllers, a pneumatic industry signaling standard of 3–15 psi (0.21.0 bar) was established, which had an elevated zero to ensure devices were working within their linear characteristic and represented the control range of 0-100%.

  3. List of free electronics circuit simulators - Wikipedia

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

    The following table is split into two groups based on whether it has a graphical visual interface or not. The latter requires a separate program to provide that feature, such as Qucs-S, [1] Oregano, [2] or a schematic design application that supports external simulators, such as KiCad or gEDA.

  4. List of HDL simulators - Wikipedia

    en.wikipedia.org/wiki/List_of_HDL_simulators

    The original Modeltech (VHDL) simulator was the first mixed-language simulator capable of simulating VHDL and Verilog design entities together. In 2003, ModelSim 5.8 was the first simulator to begin supporting features of the Accellera SystemVerilog 3.0 standard. [1]

  5. 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.

  6. 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]

  7. SIMDIS - Wikipedia

    en.wikipedia.org/wiki/SIMDIS

    The SIMDIS Software Development Kit (SDK) is a C++ framework providing functionality to create 3D scenes consisting of objects whose position and state change with time that are placed relative to a geographic map. [2] The SIMDIS SDK is the underlying application framework supporting SIMDIS. [2] Around 2017, SIMDIS released its SDK on GitHub. [2]

  8. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    Catalyst Temperature: Bank 1, Sensor 2 3F: 63: 2 Catalyst Temperature: Bank 2, Sensor 2 40: 64: 4 PIDs supported [$41 - $60] Bit encoded [A7..D0] == [PID $41..PID $60] See below: 41: 65: 4 Monitor status this drive cycle Bit encoded. See below: 42: 66: 2 Control module voltage 0 65.535 V + 43: 67: 2 Absolute load value 0

  9. 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.