Week - 4

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Battery pack capacity: 18 kWh Cell: ANR26650M1-B  Prepare a detailed battery pack drawing along with its enclosure. State your assumptions. ans nanophosphate high power lithim ion cell anr26650m1-B A123 (LiFePO4) bsttery technology delivers hign power and energy density combined with excellent safety performance and…

1.Simulate the 3 test cases from harness dashboard and write a detailed report on the results 2.What is coulomb counting? Refer to the above model and explain how BMS implements coulomb counting for SOC estimation ?  ans-we opem BMS harness dash board closed loop file from test. model file open as   a. to run…

1.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.Give your detailed explanation on it 2.Compare the differences between each type of Li+ion batteries based on their characteristics ANS *BATTERY IS a power…

in the designed electric rickshaw mail blocks are battery,drive cycle,controller,dc motor and transmission system. drive cycle is the input data(ftp75).main objective is to obtain speed by the driver,to estimate the tr of motor and controller, SOC.,disrance travelled by vehicle. matlab model-   initially current flows…

Part A: 1. Search and list out the total weight of various types of aircrafts.  2. Is there any difference between ground speed and air speed? 3. Why is it not recommended to use aircraft engine power to move it on the ground at Airport?  4. How an aircraft is pushed to runway when its ready to take off? 5. Learn about…

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      …

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…

1. A. Explain a MATLAB demo model named ‘Speed control of a DC motor using BJT H-bridge’.     B. Comment on the armature current shoot-up from the scope results.     C. Refer to the help section of ‘The Four-Quadrant Chopper DC Drive (DC7) block’. Compare it with the H-bridge…

1.Which types of power converter circuits are employed in electric and hybrid electric vehicle? ans-  AC TO DC convertor- thes convertors convert ac signal to dc signal. it supply electrical power from commecial system to on board electrical battery. we can charge EV using electrical source. they are also known as…

1.What is the difference between mapped and dynamic model of engine, motor and generator? How can you change model. mapped engine-Mapped engine is the default setting in power train blockset.it is used to measure performance parameters of the vehicle by using standard lookup tables which are preferdto the system.this type…

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…

Implement control logic of a “washing machine” using Stateflow as per given sequence:  If the power supply is available, the system gets activated  If the Water supply is not available, stop the process & indicate through LED Soaking time should be 200s followed by Washing time of 100s. Then rinsing…

aim-Make a Simulink model of Doorbell using solenoid block  given-   pulse generator-pulse generator block creates square wavws at regular interval, we give following parameter switch-for on/off signal battery-sorce of dc power, solenoid-solenoid controls direction of electrical signal. ideal translation…

specific heat- specific heat is amount of per unit mass raise to temperature per unit degree celsius. entropy-system's thermal pe unit temp available for doing useful work. entahlpy-it is energywhich is equal to internal energy+pressure*volume. given formula is used for cp,s,H. GRAPHS cp,s,H WRT to temperature is plotted.…

genticalgorithm is a in built solver in matlab to find maximum or minimum vale.basically it is a optimisation technique.it is used by charles darvin's theory of natural evolution. stalagmite function is to find maxima and minima (using -f and f)according to davine's theory. f=-f1x.f2x.f1y.f1y(we have to find maxima)  …

  % 2nd order differtial equation is used to solve problem like pendulam & % spring loaded mass % for displacement & acceleration graph b=0.05 %damping coefficient g=9.8 % gravity coefficient l=1 % length of pendulam m=0.1 % mass of pendulam % initial condition theta_0=[0;5] % initially pendulam is vetical…