in case the interpolate search is not successful (i.e., difference in electric...

in case the interpolate search is not successful (i.e., difference in electric power too high), search again (with interpolate search) and increas y value

VectoCore/VectoCore/Models/SimulationComponent/Data/ElectricMotor/EfficiencyMap.cs

@@ -4,6 +4,7 @@ using Newtonsoft.Json;
 using TUGraz.VectoCommon.Exceptions;
 using TUGraz.VectoCommon.Models;
 using TUGraz.VectoCommon.Utils;
+using TUGraz.VectoCore.Configuration;
 using TUGraz.VectoCore.Utils;
 
 namespace TUGraz.VectoCore.Models.SimulationComponent.Data.ElectricMotor
@@ -148,7 +149,22 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Data.ElectricMotor
 						var myX = (EfficiencyResult)x;
 						return (myX.ElectricalPower - batPower).Value();
 					});
-
+				var tmp = LookupElectricPower(avgSpeed, retVal, true);
+				if ((tmp.ElectricalPower - batPower).IsGreater(Constants.SimulationSettings.InterpolateSearchTolerance)) {
+					// searched operating point is not accurate enough...
+					retVal = SearchAlgorithm.Search(
+						maxEmTorque, elPowerMaxEM.ElectricalPower - batPower,
+						-maxEmTorque * 0.1 * (maxEmTorque > 0 ? -1 : 1),
+						getYValue: x => {
+							var myX = (EfficiencyResult)x;
+							return (myX.ElectricalPower - batPower) * 1e3;
+						},
+						evaluateFunction: x => LookupElectricPower(avgSpeed, x, true),
+						criterion: x => {
+							var myX = (EfficiencyResult)x;
+							return (myX.ElectricalPower - batPower).Value() * 1e3;
+						});
+				}
 				return retVal;
 			} catch (VectoSearchFailedException vsfe) {
 				Log.Error("Failed to find mechanic power for given electric power! n_avg: {0} P_el: {1}; {2}", avgSpeed.AsRPM, batPower, vsfe.Message);