#3 ADVISOR Tool

Use ADVISOR tool and simulate the following

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.

2. In the above case, try changing the battery capacity and repeat the simulation.

3. Perform gradeability test with PRIUS_Jpn_defaults_in file

Compare your results in table and conclude.

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Use ADVISOR tool and simulate the following

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.

ADVISOR Tool:

ADVISOR, NREL's ADvanced VehIcle SimulatOR, is a set of model, data, and script text files for use with Matlab and Simulink. It is designed for rapid analysis of the performance and fuel economy of conventional, electric, and hybrid vehicles to estimate the fuel economy of vehicles that have not yet been built.

The given vehicle model is EV_defaults_in file is selected and the cargo mass is set to 500Kg.

• The EV_defaults_ in file is a pure electric vehicle in which the whole propulsion power is depends only on battery.
• The battery pack used here is Lead acid battery with 25 modules having a total nominal voltage of 308V.
• Mass of the battery pack is 275kg and the total mass of the vehicle including the cargo mass is 1508kg.

FTP drive cycle is selected. The distance of 1cycle FTP drive cycle is 17.77km. To test the simulation for 45Km i have used 3 cycles of FTP drive cycles.

The simulation results shows that at a distance of 41.4km, the state of charge of the battery reaches zero, which means battery is dead. Therefore the given vehicle model is failed to reach 45km.

2. In the above case, try changing the battery capacity and repeat the simulation.

• The battery pack capacity is increased by increasing the no of modules from 25 to 28 modules having a total nominal voltage of 345V.
• Mass of the battery pack is 308kg and the total mass of the vehicle including the cargo mass is 1541kg.

The obtained result shows that the distance covered by the model at zero% SOC of the battery pack is 46.3km .

so for the EV_defaults_in file model, 3 more modules should be connected to travel a distance of 45km at the given conditions.

3. Perform gradeability test with PRIUS_Jpn_defaults_in file

Compare your results in table and conclude.

• The PRIUS_Jpn_defaults_ in file is a hybrid electric vehicle in which both the fuel engine and the electric motor will provide the required propulsion power.
• FC_Prius_Jpn fuel converter with 43Kw max power is used.
• The battery pack used here is Nickel metal hydride battery with 40 modules having a total nominal voltage of 308V.
• The total mass of the vehicle including the cargo mass is 1322kg.

UDDS drive cycle is selected in this case. The distance of 1cycle FTP drive cycle is 11.99km. I have used 5 cycles of UDDS drive cycles. The Gradeability test is also checked with the following options

The obtained results shows that the gradeabiltiy at 88.5kmph is 1.7%.

when the speed is changed to 128.7kmph, then the gradeabilty is 0.3%.

Speed (kmph)	Gradeability (%)
56.3	2.4
72.4	2.2
88.5	1.7
104.6	1.2
117.5	0.8
128.7	0.3

From the above table, when the speed is increasing the gradeaility is decreasing.