Add eps for torque output

WISDEM · Sep 24, 2020 · 452863d · 452863d
1 parent 8ae3569
commit 452863d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Controllers.f90 b/src/Controllers.f90
@@ -193,7 +193,7 @@ SUBROUTINE VariableSpeedControl(avrSWAP, CntrPar, LocalVar, objInst)
         LocalVar%VS_LastGenTrq = LocalVar%GenTq
 
         ! Set the command generator torque (See Appendix A of Bladed User's Guide):
-        avrSWAP(47) = LocalVar%VS_LastGenTrq   ! Demanded generator torque
+        avrSWAP(47) = MAX(0.0+epsilon(0.0), LocalVar%VS_LastGenTrq)  ! Demanded generator torque, prevent negatives.
     END SUBROUTINE VariableSpeedControl
 !-------------------------------------------------------------------------------------------------------------------------------
     SUBROUTINE YawRateControl(avrSWAP, CntrPar, LocalVar, objInst)