The thermal port for the battery seems to be not modeled using the code.

% IMPORT SIMSCAPE BATTERY PACKAGE

import simscape.battery.builder.*

% DEFINE FIGURE FOR VISUALIZATION

f = uifigure('Color', 'w');

% DEFINE CELL GEOMETRY

cylindricalGeometry = CylindricalGeometry();

% CREATE CELL OBJECT

batteryCell = Cell('Geometry', cylindricalGeometry);

% VISUALIZE CELL

BatteryChart('Parent', f, 'Battery', batteryCell);

% DEFINE CELL THERMAL PROPERTIES

batteryCell.CellModelOptions.BlockParameters.thermal_port = 'model';

batteryCell.CellModelOptions.BlockParameters.T_dependence = 'yes';

% DEFINE PARALLEL ASSEMBLY (4 CELLS CONNECTED IN PARALLEL)

batteryParallelAssembly = ParallelAssembly('Cell', batteryCell, 'numParallelCells', 4);

batteryParallelAssembly.StackingAxis = 'X';

% VISUALIZE PARALLEL ASSEMBLY

BatteryChart('Parent', f, 'Battery', batteryParallelAssembly);

% DEFINE MODULE (5 PARALLEL ASSEMBLIES CONNECTED IN SERIES)

batteryModule = Module('ParallelAssembly', batteryParallelAssembly, 'numSeriesAssemblies', 5);

% DEFINE SIMULATION STRATEGY

batteryModule.ModelResolution = 'Grouped';

batteryModule.SeriesGrouping = ones(1, 5);

% VISUALIZE MODULE

BatteryChart('Parent', f, 'Battery', batteryModule, 'SimulationStrategyVisible', 'on');

% DEFINE MODULE THERMAL PROPERTIES

batteryModule.AmbientThermalPath = 'CellBasedThermalResistance';

batteryModule.CoolantThermalPath = 'CellBasedThermalResistance';

% DEFINE MODULE ASSEMBLY (2 MODULES CONNECTED IN SERIES)

batteryModuleAssembly = ModuleAssembly('Module', repmat(batteryModule, 1, 2));

batteryModuleAssembly.InterModuleGap = simscape.Value(0.01, 'm');

% VISUALIZE MODULE ASSEMBLY

BatteryChart('Parent', f, 'Battery', batteryModuleAssembly, 'SimulationStrategyVisible', 'on');

% DEFINE PACK (2 MODULE ASSEMBLIES CONNECTED IN SERIES)

batteryModuleAssembly = ModuleAssembly('Module', repmat(batteryModule, 1, 2));

batteryPack.InterModuleAssemblyGap = simscape.Value(0.01, 'm');

% VISUALIZE PACK

BatteryChart('Parent', f, 'Battery', batteryPack, 'SimulationStrategyVisible', 'on');

% DEFINE BALANCING STRATEGY

batteryPack.BalancingStrategy = 'Passive';

% DEFINE THERMAL PROPERTIES

batteryPack.AmbientThermalPath = 'CellBasedThermalResistance';

batteryPack.CoolantThermalPath = 'CellBasedThermalResistance';

% BUILD SIMSCAPE MODEL OF BATTERY PACK

buildBattery(batteryPack, 'LibraryName', 'packModel',... 'MaskInitialTargets', 'VariableNames',... 'MaskParameters', 'VariableNames');

Error: Cell property ThermalEffects must be set to model.

Answer 1

[Javier Gazzarri]

Hello Umesh,

I cannot find the battery pack definition in your code above. I see you defined a module assembly but not a pack. Can you please check?

Thanks,

Javier