Challenge

Week-3 Challenge: ADVISOR Tool

SSowmya .15 May 2022

EV LIVE BATCH 16 STUDENT

1. For EV_defaults_in file, if cargo mass is 500 kg with all other default conditions, can the vehicle travel for 45 km with FTP drive cycle? Conclude your observations.

1.AIM:

For EV_defaults_in file, if cargo mass is 500 kg with all other default conditions, can the vehicle travel for 45 km with FTP drive cycle.

To perform the test open the ADVISOR tool in MATLAB, by opening advisor.m file in matlab and type advisor in command window then RUN the program which will directly Redirect to ADVISOR tool .
selcect Metric units and click on start button.which will redirect to Parameters setting window of vehicle.

Select the input variable option Load File as EV_defaults_in and keep all other parameters as default.
Then click on continue option to get into another window of drive cycle.

Here, Select the Drive cycle cyc_FTP with # of cycles as 1 and RUN the program.
Without running also we can see the statistics of distance travelled for one cycle which is given as 17.77km. But for confirmation run the program.

After Running simulation results are out along with graphs.
At Results figure we can find out the distance travelled by vehicle as 17.8 kms in 2500secs. And also the graph by clicking Component option as other. At plot variable select distance option.

Conclusion: Thus For 1 FTP cycle EV vehicle doesn't travel 45kms though battery SOC is not ZERO

2.AIM: To make EV vehicle to travel 45kms with FTP drive cycle by changing battery capacity.

We can observe that in ess_soc_his graph battery SOC is not reached to ZERO state and battery capacity by default is Vnom=308Vn. i.e., There is still battery is not fully discharged.
So, we can Run the program by adding more number of cycles.

# of cycles=2.5

Distance travelled by vehicle is 41.4kms and SOC also reached to ZERO state (i.e., Battery is fully discharged) in less than drivecycle time.
We can observe the warning message as Required distance exceeded EV range.
Hence by increasing battery capcaity vehicle may travel to 45kms. click on Back Two option to change battery capacity.

At Energy storage option increase the battery capacity by selecting on ESS_PB85 option which gives nominal voltage of Vnom=549V.Then run the simulation and observe the results.

Simulation Results:

For Lead Acid Battery(pb85) with capacity of Vnom=549v in 2.5 drivecycles vehicle can travel 46.3kms.
Still 80% of energy storage is available.But due to drive cycle end simulation stopped.

.AIM:Performing gradeability test with PRIUS_Jpn_defaults_in file.

Load PRIUS_Jpn_defaults_in file in Advisor tool window and then click on continue by keeping all other parameters default(All parameters are set based on NREL and ANL test data).

As specified, Gradeability test to be perform then we can conduct it by without drive cycle by clicking on radio button at Test Procedure and selecting the TEST_GRADE option.
Click on Grade Options to set the parameters for gradeability.
By default grade will be 6%, Speed to maintain=55mph and Time to travel at gradeabilty=10sec.
All Systems Enabled option to be select to observe the SOC of battery and by clicking on Display Status=1 simulation results can be view at command window.
After selecting required parameters click on OK and then RUN button.

a)Gradeability=6%

Simulation results are out and Gradeability test is passed at 6% Grade and vehicle runs at constant speed of 88.5kmhr.
Battery average Temperature is 20.8∘C. Likewise to view results of components by selecting component and position variable.

All Simulation results can be viewed in command window.