在晶闸管上并联了一个MOA，结果运行后出现了以下错误，请高手解答啊？谢谢了 / w6 V- Z1 O7 k0 b1 nTrustRegion-based algorithm due to one of the following reasons: the model is ill-defined i.e., the system equations do not have a solution; or the nonlinear equation solver failed to converge due to numerical issues. + j) d" E: \* u* f1 j+ s( GTo rule out solver convergence as the cause of this error, either% Z2 W% H6 T9 o- Z9 M u- y
a) switch to LineSearch-based algorithm using 5 {, l: K5 a2 z! v! C1 S( O% _set_param('power_svc_1tcr3tsc','AlgebraicLoopSolver','LineSearch')* j3 o+ d2 @2 X% V( t- m
b) reducing the VariableStepDiscrete solver RelTol parameter so that the solver takes smaller time steps. / w5 w) y2 N8 [. P( O0 TIf the error persists in spite of the above changes, then the model is likely ill-defined and requires modification.
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发表于 2012-4-16 16:02:22
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