求助 代数循环

haoren2007

Warning: Input port 1 of 'untitled/Sum1' is not connected.
Warning: Input port 2 of 'untitled/Sum1' is not connected.
Warning: Output port 1 of 'untitled/Sum1' is not connected.
Warning: Block diagram 'untitled' contains 1 algebraic loop(s). To see more details about the loops use the command line Simulink debugger by typing "sldebug untitled" in the MATLAB command window. To eliminate this message, set the Algebraic loop option in the Diagnostics page of the Simulation Parameters Dialog to "None".
Found algebraic loop containing:
  'untitled/Product10'
  'untitled/Product1'
  'untitled/Derivative'
  'untitled/Subtract'
  'untitled/Product6'
  'untitled/Switch4' (discontinuity)
  'untitled/Fcn11'
  'untitled/Fcn12'
  'untitled/Gain3'
  'untitled/Derivative1'
  'untitled/Product7' (algebraic variable)
  'untitled/Product5' (algebraic variable)
  'untitled/Switch3' (discontinuity)
  'untitled/Switch5' (discontinuity)
  'untitled/Sum3' (algebraic variable)
  'untitled/Fcn9'
  'untitled/Product8' (algebraic variable)
Warning: Discontinuities detected within algebraic loop(s), may have trouble solving.
Warning: Using a default value of 0.2 for maximum step size. The simulation step size will be limited to be less than this value.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Convergence problem when solving algebraic loop containing 'untitled/Product10' at time 0.  Simulink will try to solve this loop using Simulink 3 (R11) strategy. Use feature('ModeIterationsInAlgLoops',0) to disable the strategy introduced in Simulink 4 (R12).
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Division by zero in 'untitled/Fcn9'.
Warning: Convergence problem when solving algebraic loop containing 'untitled/Product10' at time 2.726381123786268.  Simulink will try to solve this loop using Simulink 3 (R11) strategy. Use feature('ModeIterationsInAlgLoops',0) to disable the strategy introduced in Simulink 4 (R12).
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haoren2007

谢谢哪位能帮忙看看  怎么解决呀  小弟苦恼了一阵了 都     运行 到此 就不行了    里面那个代数循环咋弄呀  多谢了
Trouble solving algebraic loop containing 'untitled/Product10' at time 2.726381123786268.  Stopping simulation.  There may be a singularity in the solution.  If the model is correct, try reducing the step size (either by reducing the fixed step size or by tightening the error tolerances)

haoren2007

有人能帮忙看看  不？