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  1. Home/
  2. VIKASH SINGH YADAV/
  3. Week-3 Challenge: ADVISOR Tool

Week-3 Challenge: ADVISOR Tool

                                                        ADVISOR TOOL   AIM:- To use advisor tool and simulate.   OBJECTIVE:-  a) Take observations for EV_defaults_in…

  • MATLAB
  • VIKASH SINGH YADAV

    updated on 19 Apr 2021

                                                        ADVISOR TOOL

 

AIM:- To use advisor tool and simulate.

 

OBJECTIVE:-  a) Take observations for EV_defaults_in file after changing the parameters.

                      b) Take observation with changing battery capacity.

 

THEORY:-

Advisor tool is the advance vehicle simulator used for vehicle performance and related data analysis. It was developed by National Laboratory for Renewable Energy (NREL) and Department of Enegy, U.S.A. It is based on script files rather than the model files. This tool makes use of advance graphical user interface (GUI) for its data analysis. A vehicle arrangement is shown for Load file having different drivetrain configuration. This tool helps in rapid analysis of the performance and fuel economy of conventional, electric and hybrid vehicles. It has only look up tables and no built in MATLAB models. The tool contains vehicle models which are mostly experiential, relying on drivetrain component  input-output  relationships measured in the laboratory.

                                                                   

                                                                                                                   fig: 1.1

 

PROCEDURE:-

  1. For EV_default_in file having cargo mass 500kg with all other default condition.

        a) Adjust the directory path for advisor tool in MATLAB.

        b) Open the advisor tool through “COMMAND WINDOW”.

        c) Press “START” button to run the advisor tool.

        d) Select the “EV_defaults_in” from load file and change the Cargo mass to 500kg.

                                                                     

                                                                                                                              fig:  1.2

        e) Press continue to Driving Cycle arrangement.

        f) Select “CYC_FTP” drive cycle and change the number of cycles to 3.

 

                                                                   

                                                                                                                           fig: 1.3

         g) Press “RUN” and simulate the result.

 

RESULT:- Plotting the results from the simulation.

                                                                     

                                                                                                                           fig: 1.4

                                                                                                           

                                                                                                                           fig: 1.5

OBSERVATION:- The vehicle travels for 41.4 Km with FTP drive cycle having cargo mass 500 Kg.

 

  1. For EV_default_in file with changed battery capacity.

        a) Get back to EV_default_in load file and change the battery capacity.

        b) Change the battery capacity from 308V to 345V.

                                                               

                                                                                                                            fig: 1.6

         c) Press Continue to Driving Cycle arrangement.

         d) Select the “CYC_FTP” drive cycle and Press “RUN”.

         e) Simulate the results for increased battery capacity.

 

RESULT:- Plotting the results from the simulation.

                                                                       

                                                                                                                             fig: 1.7

                                                                                                         

                                                                                                                             fig: 1.8

OBSERVATION: The vehicle travels to 46.3 Km when battery capacity is changed from 308V to 345V.

 

CONCLUSION:-The ADVISOR Tool simulated the results and it is evident from the fig: 1.4 that the vehicle was not able to travel 45km with FTP drive cycle having cargo mass 500kg. However, when the battery capacity is increased from 308V to 345V as shown in fig: 1.8 the vehicle was able to travel 46.3km with the similar configuration. Hence, vehicle performance has been improved.

 

 

 

                                                GRADEABILITY TEST

 

AIM:- To perform gradeability test with PRIUS_Jpn_defaults_in file.

 

OBJECTIVE:- a) To analyse the data from the vehicle.

                     b) To compare the results in table.

 

THEORY:-

The grade test routine in ADVISOR tool will determine the maximum grade on which the vehicle can sustain the specified constant speed. The test routine can be accessed both from the GUI and the MATLAB command window.

The vehicle is simulated at the specified constant speed for the specified duration. Initially, the vehicle is assumed to be travelling to the goal speed. If at the end of the cycle the vehicle is within a specified tolerance of the speed goal it is said to be able to maintain this grade and speed indefinitely. The grade is then adjusted until the maximum sustainable grade is determined unless the user has specified both the grade and speed as input arguments.

A grade test can be performed via the Simulation Setup Window. The user can specify the parameters for the test in the Grade Test Advance Options window which is opened by selecting Grade Options. The Test can be run with a drive cycle by selecting the Gradeabilty Test in the Additional Tests box, or without a drive cycle by selecting Test Procedure and then Test_Grade from the pull down menu.

                                                                

                                                                                                                          fig: 2.1

The basic parameters of grade, speed, duration and gear number allow the user to override the default settings. If the grade is specified, the routine will test only that grade point and will return an empty set if unsuccessful and the grade setting if successful. The enable systems section allows the user to evaluate the vehicle grade performance with various systems disabled. The Mass parameters allow the user to impact the mass of the vehicle for the grade test only. Finally, the solutions section allow you to control the solution path and time required to conclude.

 

PROCEDURE:-

           a) Open “PRIUS_Jpn_defaults_in” file from ADVISOR Tool.

           b) Press Continue to Driving Cycle arrangement.

           c) Select a Drive Cycle from the GUI.

           d) Select Gradeability Test from the Grade Options.

                                                                                                      

                                                                                                                           fig: 2.2

        e) Perform the Test routine in Grade Test Advanced Options .

        f) RUN the Simulations and check the results.

 

OBSERVATION:-

        a) Gradeabiltiy at 30mph for 10sec.

                                                                              

                                                                                                                           fig: 2.3

         b) Gradeability at 40mph for 10sec.

                                                                             

                                                                                                                            fig: 2.4

         c) Gradeability at 50mph for 10sec.

                                                                              

                                                                                                                             fig: 2.5

         d) Gradeability at 60mph for 10sec.

                                                                           

                                                                                                                              fig: 2.6

         e) Gradeability at 30mph for 20sec.

                                                                               

                                                                                                                               fig: 2.7

         f) Gradeability at 40mph for 20sec.

                                                                                

                                                                                                                               fig: 2.8

         g) Gradeability at 50mph for 20sec.

                                                                         

                                                                                                                              fig: 2.9

         h) Gradeability at 60mph for 20sec.

                                                                                 

                                                                                                                             fig: 2.10

 

RESULT COMPARISON:-

SPEED (mph)

GRADEABILITY for T=10sec

GRADEABILITY for T=20sec

30

14.7%

17.7%

40

11.7%

14.6%

50

9.7%

12.4%

60

8.1%

10.6%    

                                                                       

                                                                                                                              fig: 2.11

 

CONCLUSION:- The Test were successfully performed using the ADVISOR Tool. The results were simulated successfully and it is evident from fig: 2.11 that the Gradeability decreases with speed. Thus, it helped us to analyse the maximum grade on which the vehicle can sustain the specified constant speed.

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