diff --git a/Modelica_LinearSystems2/StateSpace.mo b/Modelica_LinearSystems2/StateSpace.mo index eb2915db..a18ecce4 100644 --- a/Modelica_LinearSystems2/StateSpace.mo +++ b/Modelica_LinearSystems2/StateSpace.mo @@ -871,6 +871,12 @@ ss; // Modelica_LinearSystems2.StateSpace.Analysis.analysis(Modelica_LinearSystems2.StateSpace(A=[2, 1.43, 12, 3; 1, 1, 1, 43; 1, 3, 2, 2; 1, 1, 4.2, 1.2], B=[1, 2; 2.2, 3; 3, 1; 4, 0], C=[25, 1.4, 6.3, 1; 0.3, 8, 5, 1; 1, 3, 2, 2], D=[6, 4; 4, 2; 6, 5], yNames={"y1_test","y2_te","y3_"}, xNames={"xx1","x2","xxx3","xx4"}, uNames={"u1_test","u2_test"})); // --------------------------------------------------------------------------------------------------- + if nx < 1 then + filePath := ""; + print("The system has no continuous states. No analysis performed."); + break; + end if; + filePath := Modelica.Utilities.Files.fullPathName(fileName); (filePathOnly,fileNameOnly,fileExtOnly) := Modelica.Utilities.Files.splitPathName(filePath); @@ -13154,15 +13160,8 @@ k = ---------- * ---------------------- Integer nx = xuy[1]; Integer nu = xuy[2]; Integer ny = xuy[3]; - Real ABCD[nx + ny, nx + nu]=Modelica.Utilities.Streams.readRealMatrix( - fileName2, - "ABCD", - nx + ny, - nx + nu); - String xuyName[nx + nu + ny]=DymolaCommands.MatrixIO.readStringMatrix( - fileName2, - "xuyName", - nx + nu + ny); + Real ABCD[nx + ny, nx + nu]; + String xuyName[nx + nu + ny]; public output StateSpace result( redeclare Real A[nx, nx], @@ -13171,13 +13170,17 @@ k = ---------- * ---------------------- redeclare Real D[ny, nu]) "Outputs model linearized at initial point"; algorithm - result.A := ABCD[1:nx, 1:nx]; - result.B := ABCD[1:nx, nx + 1:nx + nu]; - result.C := ABCD[nx + 1:nx + ny, 1:nx]; - result.D := ABCD[nx + 1:nx + ny, nx + 1:nx + nu]; - result.uNames := xuyName[nx + 1:nx + nu]; - result.yNames := xuyName[nx + nu + 1:nx + nu + ny]; - result.xNames := xuyName[1:nx]; + if nx > 0 then + ABCD := Modelica.Utilities.Streams.readRealMatrix(fileName2, "ABCD", nx+ny, nx+nu); + xuyName := DymolaCommands.MatrixIO.readStringMatrix(fileName2, "xuyName", nx+nu+ny); + result.A := ABCD[1:nx, 1:nx]; + result.B := ABCD[1:nx, nx+1:nx+nu]; + result.C := ABCD[nx+1:nx+ny, 1:nx]; + result.D := ABCD[nx+1:nx+ny, nx+1:nx+nu]; + result.uNames := xuyName[nx+1:nx+nu]; + result.yNames := xuyName[nx+nu+1:nx+nu+ny]; + result.xNames := xuyName[1:nx]; + end if; annotation (__Dymola_interactive=true, Documentation(info="

Syntax