Week - 4

Understanding Different Battery Chemistry   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. Ans.                  …

Assignment 4   Q. In a laboratory experiment, data of voltage and current has been recorded and the same is attached in an excel file ( Click on this link VI.xlsx ). Read the excel file in the Matlab program and perform the interpolation in the range of -17.3:0.1:0.9. Generate the interactive plot for the interpolated…

BRAKING   1. For a defined driving cycle, calculate the energy required for braking. Ans. - Braking is a dynamic state in which a vehicle slows down from a predetermined speed. The vehicle requires a specific amount of time to accelerate or decelerate. When a vehicle accelerates, either in motion or from rest, it…

DC MOTOR CONTROL1. 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 model.Ans. A.). The Speed Control of…

EV DRIVETRAIN   1. Types of Power Converters that are employed in electric and hybrid electric vehicles.   Ans.: EVs use electrical energy to drive the vehicle and for the electrical appliances in the vehicle to function. According to International Electro-Technical Commission's Technical Committee (IETCTC),…

WIDE-OPEN THROTTLE – PART – 2   AIM: DIFFERENCE BETWEEN MAPPED MODEL AND DYNAMIC MODEL OF ENGINE, MOTOR AND GENERATOR. ALSO, HOW TO CHANGE A MODEL TYPE. CALCULATION OF MILES PER GALLON AND FACTORS THAT ARE CONSIDERED TO MODEL FUEL FLOW. EXECUTION OF HEV ReferenceApplication WITH WOT DRIVE CYCLE BY CHANGING…

ADVISOR TOOL   OBJECTIVE: For the EV_defaults_in file, cargo mass is 500 kg with all other default conditions, the vehicle travels for 45 km with an FTP drive cycle. Using the above case, the simulation is repeated by changing the battery capacity. Performing the gradeability test with the PRIUS_Jpn_defaults_in file.…

AIM:   IMPLEMENTATION OF THE CONTROL LOGIC FOR WASHING MACHINES USING STATEFLOW. IMPLEMENTING THE GEAR SHIFT LOGIC USING THE STATEFLOW.   OBJECTIVE: Implementing the control logic for the washing machine using the Stateflow as per the given conditions- - If the power supply is available, the system gets activated.…

AIM: 1. TO MAKE A SIMULINK MODEL OF DOORBELL USING SOLENOID. 2. TO USE A THERMISTOR TO SENSE THE TEMPERATURE OF A HEATER AND TURN ON OR OFF THE FAN AS PER CONDITIONS.   OBJECTIVE: 1. To create a situation where the switch is closed for 2 secs and then released. Observe the physical movement of the plunger. 2.…

OBJECTIVE: To create a Rankine Cycle Simulator using MATLAB and calculate its state-points.   THEORY: RANKINE CYCLE: The Rankine Cycle is a mechanical cycle commonly used in power plants to convert the pressure energy of steam into mechanical energy through steam turbines. Major components include a Rotating steam…

OBJECTIVE: Write a function that extracts the 14 coefficients and calculates the Enthalpy, Entropy, and Specific Heats for all the species in the data file.   Calculate the Molecular Weight of each species and display it.   Plot the Specific Heat, Enthalpy, and Entropy for the local temperature range (Low-Temperature:…

AIM: Write a code in MATLAB to optimize the Stalagmite Function and find the Global Maxima of the function.   What is Stalagmite? A stalagmite is a type of rock formation that rises from the floor of a cave due to the accumulation of material deposited on the floor from the ceiling drippings. Stalagmites are typically…

AIM: To solve the 2nd Order Ordinary Differential Equation (ODE) and use animate the motion of the Pendulum using MATLAB. INTRODUCTION: A simple pendulum is defined to have a point mass, also known as the pendulum bob, which is suspended from a string of length L with negligible mass. Here, the…

AIM: To plot the PV – Diagram of Otto-cycle using MATLAB and calculate its thermal efficiency. What is Otto-Cycle? It’s a description of what happens to the mass of gas as it is subjected to changes of pressure, temperature, volume, and addition & removal of heat. The mass of gas that is subjected to those…

AIM:  Simulation of Forward Kinematics of a 2R Robotic Arm using MATLAB   Diagram:                            The robotic arm has 2 links. Link – 1 & Link – 2. Length of…