PID Controller Simulation 與 Orifice Flow 使用情況與統計

PID Controller Assistant - Master the Core of Automatic Control This app is your powerful ally in learning and applying PID control! Whether you're an engineering student, automation enthusiast, or professional engineer, you'll benefit from this tool. Key Features: Clear and concise explanations of core PID control concepts Interactive demonstrations to help you understand PID parameter effects Practical PID tuning guides and tips Simulation support for single-loop systems Learning Content Includes: Relationships between controlled variable, setpoint, and control output Functions and adjustment methods of P, I, and D terms Differences between direct and reverse acting control Concepts of dynamic and static errors Basic methods for PID parameter tuning Special Functions: Visualization of PID response curves Parameter sensitivity analysis tools Case library of common PID application scenarios This project supports the following PID control algorithms: The Positional PID Control Algorithm The Incremental PID Control Algorithm The Integral Separate PID Control Algorithm The Integral Saturation PID Control Algorithm The Gearshift Integral PID Control Algorithm The PID Control Algorithm with Filter The Incomplete Differential PID Control Algorithm The Derivative Ahead PID Control Algorithm The PID Control Algorithm with Dead Zone Whether you want to improve work efficiency or prepare for exams, this app will help you easily master the essentials of PID control.

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Orifice Flow

Measurement of fluid flow in pipes and conduits using orifice plates are very common in industrial applications. This app quickly computes the flow rates for liquid and gases based on standard parameters as per the model shown. Users can pick any fluid from a list of fifteen most common fluids used in industrial applications. Therefore, this app can be a very helpful tool for practicing engineers and designers in design and analysis of flows in different applications. A case study on CO2 flow rate is shown in the screen shot. The result is consistent with other methods used by the industry in computation and difference is less than 0.1%. Fluids that are not in the list, users can create a custom fluid with property data and compute the flow rate using the model provided in this app. Custom fluid data can be saved and reloaded every time when custom fluid is selected. Fluids: Air, Steam, Water, Nitrogen, Oxygen, Hydrogen, Helium, CO2, Methane, Ethane, Chlorine, Ammonia, Argon, Hydraulic oil, HFC(R410A), Custom (user's choice). Orifice Type: App gives four different standard orifice design with recommended discharge coefficients as shown in the following screen shot. It also provides the details of the model used in the computation of flow rates for liquid and gases. This model is valid even for nozzles, venturi-flow meters for which the discharge coefficient (Cd) is unity. Measuring Parameters: Fluid inlet temperature and pressure, orifice geometry, pressure differential using standard pressure taps (ISO 5167), are the standard parameters required in the computation. Based on the orifice geometry, recommended discharge coefficient Cd is used. However, users can edit this using manufacturer’s data for more accurate results. App notes provides brief description of different orifice parameters for quick reference. Unit of Measurement: Users can choose different unit of measurement for both flow as well as pressure drop under given unit standard (SI or USCS). This can be conveniently selected while choosing the fluid from the picker list. App notes provides additional guideline with a link for complete documentation on implementation and validation of math-models used with industry examples.