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Week-11 Challenge: Braking

For a defined driving cycle, calculate the energy required for braking. Why electric motor can’t develop braking torque at high speed similar to starting? How electric and mechanical brakes are coordinated?  Make a MATLAB program which plots contour of given motor speed, torque and efficiency values. Attach the code as…

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    Read more Projects by Akshay Bhor (16)

    Project 2 Thermal modeling of battery pack

    Objective:

      Q) For a 10 cell series lithium ion battery model, simulate the thermal effects and compare life cycle performance at various temperatures, charge & discharge rates using MATLAB.   ans -   objective - For a 10 cell series lithium ion battery model, simulate the thermal effects and compare life…

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    14 Apr 2021 02:15 AM IST

    • MATLAB
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    Project 1 Mechanical design of battery pack

    Objective:

    Q)  Battery pack capacity: 18 kWh Cell: ANR26650M1-B  Prepare a detailed battery pack drawing along with its enclosure. State your assumptions. ans - Cell: ANR26650M1-B specifications  calculations are made with some assumptions    https://a123batteries.com/anr26650m1-b-lithiumwerks-nanophosphate-3-3v-2-5ah-lithium-iron-phosphate-battery/…

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    29 Mar 2021 02:10 AM IST

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      Week 10 Thermal Management

      Objective:

      Q) Prepare a report summarizing thermal management techniques for electric car battery pack. ANS - thermal management techniques for electric car battery pack. and in that battery pack made of no of cell we will see lithium cell There are many types of lithium-ion battery which are named by cathode oxides andeach one has…

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      17 Mar 2021 06:13 PM IST

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        Week 8 Multi cell Battery Pack

        Objective:

        Q) How weakest cell limits the usable capacity of the battery pack? What is the solution? ANS  a battery pack contain no of single cell grouped and connecting all cell a pack is formed a cell is of various chemistry when we charge or discharge by load the battery pack is very imp and is one of cell is weak the…

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        23 Feb 2021 06:53 AM IST

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          Week 7 State of charge estimation

          Objective:

          Q) What is coulomb counting? How BMS implements coulomb counting for SOC estimation? ans - Rising crude oil prices and worldwide awareness of environmental issues have resulted in increased development of energy storage systems. The battery is one of the most attractive energy storage systems because of its high efficiency…

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          20 Feb 2021 06:56 AM IST

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            Week 6 Fuel cell powered vehicle model

            Objective:

            Q) Make a MATLAB model of fuel cell powered electric vehicle and comment on results ans - we will see MATLAB model of fuel cell powered electric vehicle first we will focus on what is fuel cell  the block used in matlab for fuel cell  Library Simscape / Electrical / Specialized Power Systems / Electric Drives…

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            10 Feb 2021 11:16 AM IST

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            Week 5 Battery characteristics using drive cycle

            Objective:

            Q) Simulate generic battery model charge discharge using UDDS data. ANS  The objective of the question can be divided into two parts where the first part is to model the battery and the second part is to analyze the charge /discharge characteristics for a specific drive cycle. A driving cycle is a series of data points…

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            09 Feb 2021 09:23 AM IST

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              Project-1: Modelling an electric Car with Li-ion battery

              Objective:

              Create a MATLAB model of electric car which uses lithium ion battery and suitable motor. Choose suitable blocks from Simscape or Powertrain block set. Implement the vehicle speed control using PI controller and generate brake and accelerator commands. Avoid using readymade driver block for speed control. Prepare a report…

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              01 Feb 2021 11:22 AM IST

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              Week 1 Understanding Different Battery Chemistry

              Objective:

              Q )  Prepare a table which includes materials & chemical reactions occurring at the anode and cathode of LCO, LMO, NCA, NMC, LFP and LTO type of lithium ion cells.? ans - we will see different batterys and deep dive in type of lithium ion cells  and we will see reactions of it at anode and cathode .…

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              01 Feb 2021 10:10 AM IST

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                Final Project: Design of an Electric Vehicle

                Objective:

                Create a MATLAB model of electric car which uses a battery and a DC motor. Choose suitable blocks from Powertrain block set. Prepare a report about your model including following: Objectives:         1. System level configurations        2. Model parameters      …

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                18 Dec 2020 10:28 AM IST

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                  Project-1: Powertrain for aircraft in runways

                  Objective:

                  Search and list out the total weight of various types of aircrafts.  Is there any difference between ground speed and air speed?  Why is it not recommended to use aircraft engine power to move it on the ground at Airport?  How an aircraft is pushed to runway when its ready to take off?   Learn…

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                  08 Nov 2020 07:10 PM IST

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                    Week-11 Challenge: Braking

                    Objective:

                    For a defined driving cycle, calculate the energy required for braking. Why electric motor can’t develop braking torque at high speed similar to starting? How electric and mechanical brakes are coordinated?  Make a MATLAB program which plots contour of given motor speed, torque and efficiency values. Attach the code as…

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                    02 Nov 2020 10:37 AM IST

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                      Week-7 Challenge: DC Motor Control

                      Objective:

                      Run MATLAB demo ‘Speed control of a DC motor using BJT H-bridge’. Modify the model such that armature current doesn’t shoot up when motor changes direction from forward to reverse.  Refer to help section of ‘The Four-Quadrant Chopper DC Drive (DC7) block’. Compare it with H-bridge model.…

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                      21 Aug 2020 01:40 PM IST

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                        Week-6 Challenge: EV Drivetrain

                        Objective:

                        1.   Which types of power converter circuits are employed in electric and hybrid electric vehicle?    2.  An Electric Vehicle's Drivetrain with 72V battery pack in shown in the diagram below. The duty ratio for acceleration operation is 'd1' and for the braking operation the duty ratio…

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                        16 Aug 2020 05:18 AM IST

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                          Week-4 Challenge WOT Condition Part-2

                          Objective:

                          What is the difference between mapped and dynamic model of engine, motor and generator? How can you change model type?  How does the model calculate miles per gallon? Which factors are considered to model fuel flow?  Run the HEV ReferenceApplication with WOT drive cycle. Change the grade and wind velocity in…

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                          07 Aug 2020 05:11 PM IST

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                            Week-3 Challenge: ADVISOR Tool

                            Objective:

                            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…

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                            27 Jul 2020 06:05 PM IST

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