Week 7 Challenge

Unlike the resistor, which dissipates energy in the form of heat, the ideal capacitor does not loose its energy. We have also seen that the simplest form of a capacitor is two parallel conducting metal plates which are separated by an insulating material, such as air, mica, paper, ceramic, etc, and called the dielectric…

Rolling resistance force The rolling resistance force occurs due to the friction between the tires and the driving surface. The rolling resistance force is zero at standstill. When the vehicle starts moving, the rolling resistance force acts in the direction opposite to the direction of motion and can be calculated…

Question 1: Consider a scenario where an aggressive driver is accelerating very rapidly and braking harshly in a city driving. Is battery better a choice to supply power than UC in this scenario? True False Why?  ANSWER:- Batteries for Hybrid and Plug-In Electric Vehicles Most plug-in hybrids and all-electric vehicles…

Question 1: Define Nernst equation for fuel cell and then define what parameters affect the reaction in a fuel cell in what way.  ANSWER:- The open circuit voltage is the maximum operating voltage (when no current is flowing) of a fuel cell and is determined by the chemical thermodynamics of the overall cell reaction. …

Question 1:Compare four different types of fuel cells and state their applications.  ANSWER:- Fuel cells are classified primarily by the kind of electrolyte they employ. This classification determines the kind of electro-chemical reactions that take place in the cell, the kind of catalysts required, the temperature…

Question 1:What were the first models of fuel cell vehicles developed in Asia, Europe and North America? What were the specifications of these vehicles? Compare them to the specifications of the current model. ANSWER:- A fuel cell vehicle (FCV) or fuel cell electric vehicle (FCEV) is an electric vehicle that uses a fuel…

PROGRAM:- #include <iostream>using namespace std; int main(void) { int x,y,z; string cs1,cs2,cs3,cs4,cs5; string *array_com{new string[5]{"Laptop ","Mouse ","Headset ","Laptop Bag ","Adapter "} }; string *array_ve1{new string[5]{"45000 ","1500 ","2500 ","1200 ","1600 "} }; string *array_ve2{new string[5]{"43000 ","1200…

AIM:- TO CREATE A MATLAB MODEL OF AN ELECTRIC CAR WITH LITHIUM ION BATTERIES   BLOCKS USED:-   Drive Cycle Source     Description The Drive Cycle Source block generates a standard or user-specified longitudinal drive cycle. The block output is the specified vehicle longitudinal speed, which…

AIM:-To create a MATLAB model of an electric rickshaw with rear wheels driven by PM brushed type motor and to assume efficiency points of motor controller and motor and to make an excel sheet of all input and assumed data.   INTRODUCTION:- HISTORY:- Today, the rickshaw represents over a century of rich Indian culture.…

AIM:- 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. SOFTWARE USED:- MATLAB 2021a   MATLAB FILE ENCLOSED   Folliwing figure shows the matlab simulink model and it consists…

AIM:- To prepare a detailed battery pack drawing along with its enclosure. State your assumptions. DATA SHEET INCLUDED. Links used:- https://a123batteries.com/anr26650m1-b-lithiumwerks-nanophosphate-3-3v-2-5ah-lithium-iron-phosphate-battery/ https://www.instructables.com/DIY-Professional-18650-Battery-Pack/  …

1] Simulate the 3 test cases from harness dashboard and write a detailed report on the results ANSWER:- AIM:- To Simulate 3 test cases from the harness dashboard and write a detailed report on the results   Following figure was obtained from MATLAB file provided in the link.     TEST CASE 1:-  …

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 ANSWER:- Introduction to lithium-ion cell and its types:- Lithium-ion is named for its active materials; the words are…

1] 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        3. Results        4. Conclusion ANSWER:- AIM:- To create…

1] Search and list out the total weight of various types of aircrafts.  ANSWER:- The basic classification of aircrafts is as follows           Antonov An-225 MTOV[KG] MLW[TONNES] 640,000 591.7     AIRBUS A380-800 MTOV[KG] MLW[TONNES] 575,000 394     BOEING 747-8F MTOW MLW…

1] For a defined driving cycle, calculate the energy required for braking. ANSWER:- File enclosed is DS.xlsx Formulas:- BE=((1/2)m(v^2)) BE=braking energy m=mass of the vehicle v=velocity Braking energy required is 160Kj     2] Why electric motor can’t develop braking torque at high speed similar to starting? How electric…

1] Run MATLAB demo ‘Speed control of a DC motor using BJT H-bridge’. Modify the model such that armature current doesn’t shoot. ANSWER:- For speed control of a DC motor using BJT Hbridge the following command is typed in MATLAB command window. power_HbridgeFollowing images show the model with output of…

1] Which types of power converter circuits are employed in electric and hybrid electric vehicle?    ANSWER:- Power electronics deal with the transfer, control and conversion of power. Typically power can be classified into AC and DC. The types of converters are listed below. AC to DC : This is also…

1] What is the difference between mapped and dynamic model of engine, motor and generator? How can you        change model type?  ANSWER:- Difference between Mapped and Dynamic Models Mapped Model Dynamic Model Mapped Model usses a set of Steady state Look up table for simulation and it's operation…

1] AIM: For EV_defaults_in file, keeping the cargo mass as 500 kg with all other default conditions with FTP drive cycle.           after setting the variables as per problem statement. set the payload to 500 Kilos.         The cycle is set as 1 for CYC_FTP as seen in fig…

AIM: To study the simulation of BAJA ATV EXPLANATION:  CVT is Continuously variable transmission and it is an automatic transmission that can change seamlessly through a continious range of gear ratios. The most common type of CVT isa pulley and belt driven one. It usses a V-belt which runs between two variable…

1] Aim: To implement the control logic of a “washing machine” using Stateflow as per the given sequence.     Blocks used: Chart, Constant, Display and Lamp.     Explaination: State flow is set up using "chart" block from simulink library. The flow is set up such that if power or   …

Week 2 challenge:- 1] File W2t1.slx contains Matlab file for simulation of an electric bell and bell simulation jpg is          results and circuit diagram. 2] File W2t2.slx contains fan and thermioster simulation.