Week-3 Challenge: ADVISOR Tool

AIM:-

To use the ADVISOR tool and simulate the following 

OBJECTIVE:-

1 For the 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 a table and conclude.

INTRODUCTION:-

. Created by National Laboratory for Renewable energy (NREL) and Department of Energy USA

. Development phase 1994 to 2004

. Rapid analysis of the performance and fuel economy of conventional electric and vehicles

. Use a backward flow (driving cycle to energy storage.)

. Vehicle models are mostly experimentally relying on the drivetrain component input/output relationship measured in the laboratory.

.it is a set of models data script text files for use with Matlab and Simulink

The benefits of using ADVISOR:-

. Estimate the fuel economy of vehicles that have not yet been built

. Compare relative tailpipe emission produced on a number of cycles

. Evaluate an energy management strategy for your hybrid vehicle's fuel converter

. Optimize the gear ratios in your transmission to minimize fuel use or maximize performance etc.

How to start ADVISOR toll:-

. Launch Matlab and first set a default location folder to the advisor

. Now in the command window of MATLAB type advisor and press enter.

. A new window will open and then set the metric for unit and ADVISOR.

.It will launch in a new window ADVISOR  TOOL HAVE 3 window.

1) Vehicle input window 

2) simulation parameter window 

3) Result in window

1. For the 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.

First, loading EV_defaults_in from the drop-down menu and changing Parallel_default_in to EV_defaults_in from the Vehicle Input window.

• Now changing the cargo mass to 500 kg
• A change in the total mass of the vehicle can be seen.
• Clicking on the continue button after that a new window simulation parameter will pop up.

• In Simulation Parameter window change drive cycle to CYC_FTP by selecting the drop-down menu.
• Below that we will see # of cycles from here we can set our drive cycle.

 After pressing the RUN button, the simulation will start and it will show results in a new window

The distance traveled by the vehicle in a 1 drive cycle is 17 km Used almost 40% SOC.

 Increasing no. of drive cycles to 2.

 Result with 2 drive cycles. 

The distance traveled by the vehicle in 2 drive cycles is 35.5km. Used almost 81% SOC.

Increasing no. of drive cycles to 3.

Result with 3 drive cycles.

The distance traveled by the vehicle in 2 drive cycles is 41.4km. Used completely 100% SOC.

The minimum distance travel by car is 17.8 km with drive cycle CYC_FTP – 1 whereas the maximum distance travel by car is 41.4 which consumes 100% of battery in 3 Drive cycles.

Therefore EV_default cannot travel a distance of 45 km due to insufficient SOC.

Q2. In the above case, try changing the battery capacity and repeat the simulation.

• In-Vehicle Input window we will change the capacity of the battery from energy storage which will be open in 1^st
• “#of mod V nom” describes the battery capacity, so we will change the module number of batteries from the first box and we will see that changes in voltage and weight of the battery.

• A new Simulation Parameter window will open, here we will change the drive cycle to 2 or 3, one at a time, and run the simulation.
• After completing of simulation, we will see the result window where we observe the change in distance of vehicle travel.
• We can repeat this simulation by changing the battery module and the drive cycle. 

Energy Storage System with 26 modules and 2 drive cycles

Result:-

Energy Storage System with 27 modules and 2 drive cycles

Result:-

Energy Storage System with 28 modules and 2 drive cycles

Result:-

Energy Storage System with 26 modules and 3 drive cycles

Result:-

Energy Storage System with 27 modules and 3 drive cycles

Result:-

Energy Storage System with 28 modules and 3 drive cycles

Result:-

Battery modules 28 and with 3 drive cycles, the distance traveled is 46.3km.

• While changing the battery module in drive cycle 2 we get constant distance travel.
• Changing the battery module in drive cycle 3 we get changes in distance travel by vehicle.
• To cover a 45km distance a 28 module 345-volt battery is required.

3. Perform gradeability test with PRIUS_Jpn_defaults_in file. Compare your results in the table and conclude. 

• In the ADVISOR tool Vehicle Input window select the PRIUS_Jpn_default model.
• Continue to the next window.
• The simulation Parameter window will open.
• Select the gradeability test and click on the grade Option box, a new dialogue box will open.

• In the grade option box, we can change speed or duration with respect to our simulation.
• So, for this simulation, I change speed one time and duration another time.
• Click on All system enabled.
• Also, click on constant road grade.
• Click Ok and run the simulation and a Result window will open showing different results depend upon input data.

Results for the duration - 10sec

i) Speed - 20 miles/h or 32.2 kmph

Gradeability = 19.8%

 Speed - 25 miles/h or 40.2 kmph

Gradeability = 43.5%

 Speed - 30 miles/h or 48.3 kmph

Gradeability = 14.7%

Speed - 35 miles/h or 56.3 kmph

Gradeability = 13%

Speed - 40 miles/h or 64.4 kmph

Gradeability = 25.7%

Speed - 45 miles/h or 72.4 kmph

Gradeability = 10.7%

or Duration - 20sec

From the above tables, it can be seen that when vehicle speed increases there is a decrease in upgradeability for both 10sec and 20sec duration.

 when vehicle speed increases there is a decrease in grade ability.