setChargeSOCs
Update state-of-charge values for all charge pulses in
TestSummary property table
Since R2025a
Description
setChargeSOCs(
assigns the value of myHppcTest,socBreakpoints)socBreakpoints to all charge pulses in the
TestSummary property table of the HPPCTest object,
myHppcTest.
Examples
This example shows how to modify the state-of-charge (SOC) values for all discharge or charge pulses inside hybrid pulse power characterization (HPPC) test data.
Open the DownloadBatteryData example and load the required HPPC
data obtained for a BAK 2.9 Ah battery cell at 25 °C. This data consists of a table with
three columns. The columns of the table refer to time, voltage, and current values,
respectively.
openExample("simscapebattery/DownloadBatteryDataExample") load("testDataBAKcells/hppcDataBAKcell25degC.mat")
Store the HPPC data inside an HPPCTest object by using the hppcTest function. You can use this object
to view the data, add or edit breakpoints, add or remove pulses, and include additional
information such as state of charge and capacity. The HPPC data is a table, so you must
also specify each column name by using the TimeVariable,
VoltageVariable, and CurrentVariable arguments.
These names must match the names of the columns in the hppcData
table.
hppcExp = hppcTest(hppcData,... TimeVariable="time (s)",... VoltageVariable="voltage (V)",... CurrentVariable="current (A)");
Analyze the TestSummary property of the
hppcExp object. This property contains a summary of the HPPC test
that shows all the identified pulses and related data, returned as a table.
hppcExp.TestSummary
ans =
18×13 table
PulseID Directionality SOC HPPCData PulseDuration PseudoOCV_V MaximumVoltage MinimumVoltage Current_A C_rate PulseStartIndex PulseEndIndex Temperature_degC
_______ ______________ _______ _________________ _____________ ___________ ______________ ______________ _________ ______ _______________ _____________ ________________
1 "Discharge" 1 {701×6 timetable} 30 4.1745 4.1745 3.7846 -6.1869 1.8976 354 1055 25
2 "Discharge" 0.90376 {701×6 timetable} 30 4.0837 4.0837 3.7479 -6.187 1.8977 2702 3403 25
3 "Discharge" 0.80754 {702×6 timetable} 30 4.0132 4.0132 3.6652 -6.1867 1.8975 5049 5751 25
4 "Discharge" 0.71133 {701×6 timetable} 30 3.9226 3.9226 3.5775 -6.1868 1.8976 7398 8099 25
5 "Discharge" 0.61512 {701×6 timetable} 30 3.846 3.846 3.4942 -6.1868 1.8976 9746 10447 25
6 "Discharge" 0.51891 {701×6 timetable} 30 3.7353 3.7353 3.4001 -6.1871 1.8977 12094 12795 25
7 "Discharge" 0.4227 {701×6 timetable} 30 3.65 3.65 3.3236 -6.1867 1.8975 14442 15143 25
8 "Discharge" 0.32649 {701×6 timetable} 30 3.6015 3.6015 3.2652 -6.1869 1.8976 16790 17491 25
9 "Discharge" 0.23028 {701×6 timetable} 30 3.5507 3.5507 3.1931 -6.1869 1.8976 19138 19839 25
10 "Charge" 0.98415 {502×6 timetable} 10 4.1158 4.3889 4.1158 4.6393 1.423 1055 1557 25
11 "Charge" 0.88793 {502×6 timetable} 10 4.057 4.3001 4.057 4.6406 1.4233 3403 3905 25
12 "Charge" 0.79172 {502×6 timetable} 10 3.9674 4.2113 3.9674 4.6394 1.423 5751 6253 25
13 "Charge" 0.69551 {502×6 timetable} 10 3.8751 4.1175 3.8751 4.6396 1.423 8099 8601 25
14 "Charge" 0.5993 {502×6 timetable} 10 3.7905 4.0355 3.7905 4.6396 1.423 10447 10949 25
15 "Charge" 0.50309 {502×6 timetable} 10 3.6936 3.9339 3.6936 4.6405 1.4233 12795 13297 25
16 "Charge" 0.40688 {502×6 timetable} 10 3.6224 3.8602 3.6224 4.6396 1.423 15143 15645 25
17 "Charge" 0.31066 {502×6 timetable} 10 3.5695 3.8109 3.5695 4.6397 1.4231 17491 17993 25
18 "Charge" 0.21445 {502×6 timetable} 10 3.5098 3.7597 3.5098 4.6397 1.4231 19839 20341 25 For this example, generate two arrays of nine random numbers. Each array contains the new SOC values for the discharge and charge pulses, respectively.
SOCDischarge = rand(1,9) SOCCharge = rand(1,9)
SOCDischarge =
0.8147 0.9058 0.1270 0.9134 0.6324 0.0975 0.2785 0.5469 0.9575
SOCCharge =
0.9649 0.1576 0.9706 0.9572 0.4854 0.8003 0.1419 0.4218 0.9157Update the SOC values of all discharge pulses using the
setDischargeSOCs function.
setDischargeSOCs(hppcExp,SOCDischarge);
Visualize the new discharge SOC values using the TestSummary
property of the hppcExp object. The
setDischargeSOCs function replaced the first nine values in the
SOC column with the values of the
SOCDischarge variable.
hppcExp.TestSummary
ans =
18×13 table
PulseID Directionality SOC HPPCData PulseDuration PseudoOCV_V MaximumVoltage MinimumVoltage Current_A C_rate PulseStartIndex PulseEndIndex Temperature_degC
_______ ______________ _______ _________________ _____________ ___________ ______________ ______________ _________ ______ _______________ _____________ ________________
1 "Discharge" 0.95751 {701×6 timetable} 30 4.1745 4.1745 3.7846 -6.1869 1.8976 354 1055 25
2 "Discharge" 0.91338 {701×6 timetable} 30 4.0837 4.0837 3.7479 -6.187 1.8977 2702 3403 25
3 "Discharge" 0.90579 {702×6 timetable} 30 4.0132 4.0132 3.6652 -6.1867 1.8975 5049 5751 25
4 "Discharge" 0.81472 {701×6 timetable} 30 3.9226 3.9226 3.5775 -6.1868 1.8976 7398 8099 25
5 "Discharge" 0.63236 {701×6 timetable} 30 3.846 3.846 3.4942 -6.1868 1.8976 9746 10447 25
6 "Discharge" 0.54688 {701×6 timetable} 30 3.7353 3.7353 3.4001 -6.1871 1.8977 12094 12795 25
7 "Discharge" 0.2785 {701×6 timetable} 30 3.65 3.65 3.3236 -6.1867 1.8975 14442 15143 25
8 "Discharge" 0.12699 {701×6 timetable} 30 3.6015 3.6015 3.2652 -6.1869 1.8976 16790 17491 25
9 "Discharge" 0.09754 {701×6 timetable} 30 3.5507 3.5507 3.1931 -6.1869 1.8976 19138 19839 25
10 "Charge" 0.98415 {502×6 timetable} 10 4.1158 4.3889 4.1158 4.6393 1.423 1055 1557 25
11 "Charge" 0.88793 {502×6 timetable} 10 4.057 4.3001 4.057 4.6406 1.4233 3403 3905 25
12 "Charge" 0.79172 {502×6 timetable} 10 3.9674 4.2113 3.9674 4.6394 1.423 5751 6253 25
13 "Charge" 0.69551 {502×6 timetable} 10 3.8751 4.1175 3.8751 4.6396 1.423 8099 8601 25
14 "Charge" 0.5993 {502×6 timetable} 10 3.7905 4.0355 3.7905 4.6396 1.423 10447 10949 25
15 "Charge" 0.50309 {502×6 timetable} 10 3.6936 3.9339 3.6936 4.6405 1.4233 12795 13297 25
16 "Charge" 0.40688 {502×6 timetable} 10 3.6224 3.8602 3.6224 4.6396 1.423 15143 15645 25
17 "Charge" 0.31066 {502×6 timetable} 10 3.5695 3.8109 3.5695 4.6397 1.4231 17491 17993 25
18 "Charge" 0.21445 {502×6 timetable} 10 3.5098 3.7597 3.5098 4.6397 1.4231 19839 20341 25
Now update the SOC values for all charge pulses using the
setChargeSOCs function.
setChargeSOCs(hppcExp,SOCCharge);
Visualize the new charge SOC values using the TestSummary
property of the hppcExp object. The setChargeSOCs
function replaced the last nine values in the SOC
column with the values of the SOCCharge variable.
hppcExp.TestSummary
ans =
18×13 table
PulseID Directionality SOC HPPCData PulseDuration PseudoOCV_V MaximumVoltage MinimumVoltage Current_A C_rate PulseStartIndex PulseEndIndex Temperature_degC
_______ ______________ _______ _________________ _____________ ___________ ______________ ______________ _________ ______ _______________ _____________ ________________
1 "Discharge" 0.95751 {701×6 timetable} 30 4.1745 4.1745 3.7846 -6.1869 1.8976 354 1055 25
2 "Discharge" 0.91338 {701×6 timetable} 30 4.0837 4.0837 3.7479 -6.187 1.8977 2702 3403 25
3 "Discharge" 0.90579 {702×6 timetable} 30 4.0132 4.0132 3.6652 -6.1867 1.8975 5049 5751 25
4 "Discharge" 0.81472 {701×6 timetable} 30 3.9226 3.9226 3.5775 -6.1868 1.8976 7398 8099 25
5 "Discharge" 0.63236 {701×6 timetable} 30 3.846 3.846 3.4942 -6.1868 1.8976 9746 10447 25
6 "Discharge" 0.54688 {701×6 timetable} 30 3.7353 3.7353 3.4001 -6.1871 1.8977 12094 12795 25
7 "Discharge" 0.2785 {701×6 timetable} 30 3.65 3.65 3.3236 -6.1867 1.8975 14442 15143 25
8 "Discharge" 0.12699 {701×6 timetable} 30 3.6015 3.6015 3.2652 -6.1869 1.8976 16790 17491 25
9 "Discharge" 0.09754 {701×6 timetable} 30 3.5507 3.5507 3.1931 -6.1869 1.8976 19138 19839 25
10 "Charge" 0.97059 {502×6 timetable} 10 4.1158 4.3889 4.1158 4.6393 1.423 1055 1557 25
11 "Charge" 0.96489 {502×6 timetable} 10 4.057 4.3001 4.057 4.6406 1.4233 3403 3905 25
12 "Charge" 0.95717 {502×6 timetable} 10 3.9674 4.2113 3.9674 4.6394 1.423 5751 6253 25
13 "Charge" 0.91574 {502×6 timetable} 10 3.8751 4.1175 3.8751 4.6396 1.423 8099 8601 25
14 "Charge" 0.80028 {502×6 timetable} 10 3.7905 4.0355 3.7905 4.6396 1.423 10447 10949 25
15 "Charge" 0.48538 {502×6 timetable} 10 3.6936 3.9339 3.6936 4.6405 1.4233 12795 13297 25
16 "Charge" 0.42176 {502×6 timetable} 10 3.6224 3.8602 3.6224 4.6396 1.423 15143 15645 25
17 "Charge" 0.15761 {502×6 timetable} 10 3.5695 3.8109 3.5695 4.6397 1.4231 17491 17993 25
18 "Charge" 0.14189 {502×6 timetable} 10 3.5098 3.7597 3.5098 4.6397 1.4231 19839 20341 25
Input Arguments
Hybrid pulse power characterization (HPPC) test container to update, specified as an
HPPCTest object.
State-of-charge (SOC) values of the charge pulses, specified as a scalar or vector.
The size of this argument must be equal to the number of charge pulses in the
TestSummary property table of the myHppcTest
argument.
Data Types: double
Version History
Introduced in R2025a
See Also
hppcTest | updateTestSummary | setDischargeSOCs | removePulse | addPulseData | plot | plotPulse
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