Week-7 Challenge: DC Motor Control

AIM: 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 it's ready to take off? 5. Learn about take-off…

OBJECTIVE : 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. Solution :  theory now a days lithium ion battery are mostly used in electric vehicles we must know its charge and discharge…

Question : Battery pack capacity: 18 kWh Cell: ANR26650M1-B  Prepare a detailed battery pack drawing along with its enclosure. State your assumptions.   Answer :  ANR26650M1-B Specifications Nominal Ratings  Voltage: 3.3 Volts  Capacity: 2.5 Ah  Energy: 8.25 Wh  Specific Power: 2600…

AIM:   1.Simulate the 3 test cases from the 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? SOLUTION: (1) Simulation of BMS with 3 different test cases from the harness dashboard.…

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.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 :  UNDERSTANDING DIFFERENT TYPES OF Li-ion BATTERY CHEMISTRY A lithium-ion (Li-ion) battery is an…

1. Explain a MATLAB demo model named 'Speed control of a DC motor using BJT H-bridge Answer: 'Speed control of a DC motor using BJT H-bridge. H-bridge in general an H-bridge is a rather simple circuit,containing four switching element with the load at the center, in an H-like configuration. basic operation of H brifge…

Aim : The main aim of this week challenge is to perform a bending simulation of  iphone for two different cases . For both the cases compare the results of the stress , strain , life and factor plots and give a detailed explation for the plots . Procedure : Materials :  Import the geometry  Now assign the…

    Que : 1.  Which types of power converter circuits are employed in electric and hybrid electric vehicle?    Ans :  Power Converter: Power electronics is the application to the control and conversion of electric power. A power converter is a process of converting electric energy…

Aim : What is the difference between mapped and dynamic model of engine, motor and generator? How can you change model type? Answer :  Mapped Model: The mapped model uses preassigned data only in lookup tables means it runs on the data which is predefined for the model and has not real-time considerations. As…

Aim : Use ADVISOR tool and simulate the following  Objectives : 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.  Ans : Conclusion : thus we can see that 3 number of cycle…

AIM: The main of this week challenge is to perform a sphere pressing on a plate analysis with non linear structural material for the plate.The plastic deformation of the plate should be captured and explained based on the plots PROCEDURE: step 1: Open the ansys workbench module and select the static structural analysis.…

SIMULATION OF ROLLING OPERATION USING ANSYS WORKBENCH OBJECTIVE To simulate the rolling operation on a workpiece made of copper by increasing the length of the workpiece by 60 mm and decreasing its size on both sides by 8 mm. Run the simulation for 14 steps by ensuring that the edge of the workpiece is displaced by 90mm.…

AIM: The aim of this week challenge is to perform a wire bending operation of wire for three different material Copper Alloy (Non Linear), Aluminium Alloy (Non Linear) and Magnesium Alloy. This analysis is performed and their stress and strain plots are explained based on the result. PROCEDURE: step 1: Open the ansys workbench…

 VERIFICATION OF WELD JOINTS USING ANSYS OBJECTIVE 1. To simulate three different types of welding using three different weld materials, i. Case 1: Weld Material used is Stainless Steel. The material of plates and ribs are also Stainless Steel. ii. Case 2: Weld Material used is Aluminium Alloy (high strength, wrought).…

Objective: To perform a sheet metal bending analysis using three different materials (Al Alloy 1199, Cu Alloy NL, Mg Alloy NL) and compare their results for Equivalent Stress, Elastic strain and total deformation in Y direction and also to perform a grid dependency test using Al Alloy NL as a material for the sheet metal.…

Aim : To multiply the load bearing load by 5 times and compare results with the load of 100000N Geometry :  Contacts : Joints : Displacement : Analysis setting: MEshing: Results :  Case 1: Total Deformation Equivalent stress   Equivalent strain   user Defined result : CAse 2: Total Deformation  …

Objective: To understand the concept of the Grid Dependency test and run the simulation on the bevel gear using three different mesh sizes i.e. 4mm, 5mm, and 6mm, and solving the simulation cases to evaluate Von-Mises stress, Equivalent elastic strain, and Total Deformation on the bevel gear using Ansys Workbench. Theory…

STATIC STRUCTURAL ANALYSIS ON SPUR GEAR USING ANSYS OBJECTIVE   To carry out a static structural analysis on spur gear with following type of materials, Case-1: Cast Iron Case-2: Cast Bronze Case-3: Cast Steel To find and compare the results of Equivalent stress, Total deformation, Stress intensity for all the cases.…

Case :1 Design a plate with a hole model similar to what we worked in the class, but with increased thickness.Determine the maximum deformation and stress developed in the model.   Plate dimensions: Length=300mmHeight=120mmThickness=30mmCircular Hole at the center:Diameter=60mm   1) Equivalent Stress : 0.98875…

Aim : Prepare a technical report explaining the model properties & comments on the results. Objective : Carry out a system-level simulation of an all-terrain vehicle and prepare a technical report explaning the model properties & comments on the result. All-terrain vehicle :-  All-terrain vehicle is defined as motorized…

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…

                                                 FINAL INDEPENDENT PROJECT   Project Name :-    Automatic Certificate Generation using Matlab    Program : -  % Automatic…

Aim :-  Make a Simulink model of Doorbell using solenoid block with the following details: In the above arrangement, when the switch is closed the electromagnet receives electrical power from the battery and pulls the metal arm to hit the bell producing sound.  Create a situation where the switch…

FINAL PROJECT : MAD LIBS GENERATOR     These are the required steps to build Mad Libs generator python project: 1) Import modules 2) Create a display window 3) Define functions 4) Create buttons   Import Modules :                          from tkinter import * Create a display window : root = Tk() root.geometry('300x300')…

AIM :-  Write a python script for file parsing of Converge CFD Data file. Objectives :- 1) Calculate the area under the P-V diagram. P is in column 2 and V is in column 8. 2) Calculate the power output of this engine. Assume that RPM is 1500 3) This engine consumed 20 micro grams of fuel (per 1…

Objective :-  1. What does popt and pcov mean? 2. What does np.array(temperature) do? 3. What does the * in *popt mean? 4. Write code to fit a linear and cubic polynomial for the Cp data. Explain if your results are good or bad.  5. What needs to be done in order to make the curve fit perfect? 6. Show empirically…

Aim : Write a program in Python that will simulate the pendulum motion .   In mathematics, Ordinary Differential Equation (ODE) is a differential equation containing one or more functions of one independent variable and the derivatives of those functions In Engineering, ODE is used to describe the Transient Behaviour of…

Aim :- write code that can solve an otto cycle and make plots for it. Requirements :                       1)  Your code should create a PV diagram                      2) You should output…

Aim :- Create a Rankine Cycle Simulator using OCTAVE/MATLAB. Calculate : - 1] Net work output                    2] Back work ratio PROGRAM :    close all clear all clc % rankine cycle simulator while(1) fprintf('RANKINE CYCLE SIMULATOR n'); disp('process 1-2:…

AIM : Write a function that extracts the 14 co-efficients and calculates the enthalpy, entropy and specific heats for all the species in the data file.   function code :- 1] SPECIFIC HEAT :- % Function to calculate specific heat (cp) function cp = specific_heat(a1,a2,a3,a4,a5,b1,b2,b3,b4,b5,T,R,global_med_temp)…

AIM : Write a code in MATLAB to optimise the stalagmite function and find the global maxima of the function.   FUNCTION PROGRAM : function stalagmite. function[f] = stalagmite(input_vector) x = input_vector(1); y = input_vector(2); term1 = pi*5.1*x; term2 = pi*5.1*y; term3 = ((x-0.0667)^2/0.64); term4 =…

AIM : Write a program in Matlab\Octave that will simulate the pendulum motion.         b = damping m = mass g = gravity l = length `theta = theta1`   `d(theta)/dt = d(theta1)/dt = theta2`    .......1 `d^2(theta)/dt^2 = d^2(theta1)/dt^2 = d/dt (d(theta1)/dt) = d/dt (theta2)` …

forward kinematics of 2R robotics Arm   close all clear all clc % Inputs l1 = 1; l2 = 0.5; theta1 = linspace(0,90,10); theta2 = linspace(0,90,10); ct = 1; for i= 1:length(theta1) THETA1 = theta1(i) for j = 1:length(theta2) THETA2 =theta2(j); x0=0; y0=0; x1 = l1*cosd(THETA1); y1 = l1*sind(THETA1); x2 = x1+l2*cosd(THETA2);…