VisSim

Modeling the Future

 
Profession VisSim
動態系統模擬軟體
 

VisSim是以一套方塊圖語言來建立複雜的非線性動態系統。要建立一個模型,只需在工作區中拖動方塊圖並將其連接。然後點選按鈕Go來啟動你的模擬。這個反應是立即的。 你可以選擇二維或三維圖形、條狀圖,儀表,數字讀值,甚至三維動畫來顯示在您的模擬結果。所有的過程進行都是使用VisSim的即時引擎來運作。 

VisSim
的高效率數學引擎直接執行你的方塊圖而沒有編譯的延誤。 VisSim軟體的執行速度快,是可完美適用於模型為基礎的操作員訓練、離線控制器調整、與硬體在迴路中的測試。 其產生高效率的C語言程式碼使其成為理想的平台以應用於模型為基礎的嵌入式系統開發。 

經由連接簡單明了的一個方塊圖介面與高性能的數學引擎,VisSim為提供快速準確的線性、非線性、連續時間、離散時間、單輸入單輸出、多輸入多輸出、多速率、和混合動力系統的解決方案。隨著 VisSim為的廣泛的功能,複雜的系統可以很快進入 VisSim 

sin plot
Simple sin with plot

 

VisSim軟體的緊密整合的開發平台,使其易於任何模型結構、模擬,最佳化與驗證之間工作。 這意味著您可以在桌面上建立虛擬原型,並確保在交付設計之前它們正確性。 而且因為 VisSim免除傳統的程式編寫,所以你的學習時間僅需極短的時間。
VisSim
有廣泛的資料庫讓您獲得高階的模型子系統,如空調系統、交直流電動機、液壓元件、燃氣渦輪機、人類呼吸和血液流量、6自由度機體動態、計數器、定時器、邏輯和更多的工作。 只需要立即點取資料庫方塊、設定您的系統參數、連接方塊圖然後執行模擬。

sin mod


3D trajectory plot of Cornu's Spriral


3D VRML animation of a Lunar Lander


功能說明:

•  Drag-and-drop block diagram construction
•  120+ built-in linear and nonlinear blocks
•  Integrated Newton-Raphson solver for dynamic systems with implicit equations
•  Toolbox functions for control, electromechanical design, hydraulics, signal processing, process, power, chemical, thermal, and turbines
•  ODE solvers include Euler, trapezoidal, Runge Kutta 2nd and 4th orders, adaptive Bulirsh-Stoer and Runge Kutta 5th order
•  Stiff ODE solvers include backward Euler, adaptive Adams-Moulton and BDF algorithms
•  MatLab, Mathcad, and Maple integration
•  Interactive input with buttons, sliders and dialogs, and interactive outputs with numeric displays, 2D, 3D plots, strip charts, meters, gauges,
    lights, and animations
•  Linear transfer function block with IIR and FIR filter wizard. Implements Laplace transform in S domain, and also supports discrete Z domain
   operation. Has bilinear (Tustin) Z transform to and from S domain, complex pole/zero specification, fixed point simulation and code generation
•  Nonlinear parameter optimization
•  Extensive matrix operations (inverse, multiply, min, max, linear solve, transpose, resection,FFT, InverseFFT, vbuffer, spreadsheet data entry, etc)
•  DLL wizard for custom C, C++, Fortran, and Pascal blocks
•  Synchronous and asynchronous DDE
•  Hierarchical models with password protection
•  Extensive on-line help
•  Embedded subdiagrams with multi-rate subsystems
•  Read and write data files in .txt, .csv, .m, .wav, .mat formats
•  Built-in C interpreter
•  State Machine simulation and code generation integrated with continuous engine
•  Free VisSim Viewer


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