77286296 发表于 2007-6-15 18:02

仿真错误原因,谁给解释下,看不懂,急用,在线等!!!

Warning: Block diagram 'untitled1' contains 1 algebraic loop(s). To see more details about the loops use the command line Simulink debugger by typing "sldebug untitled1" 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:
'untitled1/Gain1'
'untitled1/Gain2'
'untitled1/Derivative'
'untitled1/Add'
'untitled1/Saturation2' (discontinuity)
'untitled1/Product2' (algebraic variable)
'untitled1/Product' (algebraic variable)
'untitled1/TmpHiddenBuffer_Feeding_S-Function_AtInput1'
'untitled1/S-Function'
'untitled1/Sum1' (algebraic variable)
'untitled1/Product1' (algebraic variable)
Warning: Discontinuities detected within algebraic loop(s), may have trouble solving.
Warning: Using a default value of 0.1 for maximum step size.The simulation step size will be limited to be less than this value.You can disable this diagnostic by setting 'Automatic solver parameter selection' diagnostic to 'none' in the Diagnostics page of the configuration parameters dialog.
>>

cdwxg 发表于 2007-6-15 18:04

代数环的问题，但这个只是警告而已
这个的结果就是计算量太大，matlab中止运行。

77286296 发表于 2007-6-15 18:12

代数环是什么东西,怎么修改啊?

cdwxg 发表于 2007-6-15 18:19

反馈那里加个1/z试验一下，其实也就是计算模块

77286296 发表于 2007-6-15 18:28

谢谢!!!

nie13 发表于 2007-12-14 15:43

我也碰到了类似问题，应该是代数环的问题，但我不知道怎么解决，烦恼中。
我也是研究双馈风力发电的，QQ：624014470，希望认识更多的同道中人

gaoxh 发表于 2009-5-18 16:22

哪位好心人帮忙解决一下，仿真提示出错

Solver Step size is becoming less than specifed minimum step size.
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