Curve Fitting using MATLAB.

 1) Search and list out the total weight of various types of aircraft.  Weight is the force generated by the gravitational attraction of the earth on the airplane. Each part of the aircraft has a unique weight and mass, and for some problems, it is important to know the distribution.…

1) For a defined driving cycle, calculate the energy required for braking. We have to create a drive cycle excel file with random data of velocity concerning that time and plotted them to see the drive cycle Then import that file into Matlab. Then to create an array into the command window by entering code braking_energy…

1) Why power electronics circuits are efficient? In practice, which types of losses occur in power electronics circuits? Power Electronics: Power electronics involves the study of electronic circuits intended to control the flow of electrical energy. These circuits handle power flow at levels much higher than the individual…

1) Discuss the equivalent circuit network of the induction motor MATLAB model. Equivalent circuit of an Induction motor: In the equivalent circuit, R1 represents the resistance of the stator winding and X1 the stator leakage reactance (flux that does not link with the air gap and rotor). Magnetizing reactance required…

1) How induction motor operation is similar to the clutch?  Working of Clutch: In a manual transmission car, a clutch is a component that is needed to change the gear to transition from one-speed range to another in a smooth manner. When the driver wants to change the gear in order to achieve a higher or lower speed,…

Aim: To study and analyze different DC motor control systems.   Objective: Run MATLAB demo, Speed control of a DC motor using BJT H-bridge. Modify the model such that the armature current doesn’t shoot up when the motor changes direction from forward to reverse.  Refer to the help section of, The Four-Quadrant…

Aim: To study the EV Drivetrain.   Objective:  To explain the types of power converter circuits that are employed in an electric and hybrid electric vehicle. To solve the problem by data's that are given in the question and determine what is EV steady-state speed if the duty cycle is 70% To explain Induction…

Aim: To perform DC machine characteristics   Objective: Implement DC machine torque-speed characteristics equations in a MATLAB script file. It asks the user to input data and plots speed (RPM) versus torque (Nm). Submit the .m file for evaluation and attach the screenshots of all the required plots How can you distinguish…

Aim: To model Electric and Hybrid Electric vehicles using Powertrain blockset.   Objective: What is the difference between the mapped and dynamic model of engine, motor, and generator? How can you change the model type?  How does the model calculate miles per gallon? Which factors are considered to model fuel…

Aim: To simulate the FTP drive cycle for an EV using ADVISOR Tool.   Objective: Using ADVISOR tool, we have to 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 the FTP drive cycle? Conclude your…

Aim: To analyze truck by equating various calculations and observing the ratio of hill-climbing power, gradeability, and creating the Model of WOT (Wide Open Throttle) response of GM EV1 car. Objective: To find the ratio of hill-climbing power required by fully loaded tata ultra truck to the half-loaded one To find…

Aim: To mesh the given floor panel component according to the given quality criteria. Quality Criteria: Procedure: Open the given .hm file in Hypermesh with Optistruct Generate the auto mid surface Switch to topo mode and perform the geometry cleanup Assign thickness in property cards and material card to the component…

Aim: To mesh the given side door component according to the given quality criteria. Quality Criteria: Procedure: Open the given .hm file in Hypermesh with Optistruct Generate the auto mid surface Switch to topo mode and perform the geometry cleanup Assign thickness in property cards and material card to the component   …

Aim: To Morph the given side body component to the desired shape shown in the images below and write a Macro for the same. Given Reference images:   Procedure: Open the side body component .hm file in hypermesh. Now go to tool-hypermorph Now click on domains-create-2D domains-all elements-create-return…

Aim: To calculate the forces acting on a vehicle for the given set of questions.   1)What should be the maximum speed of the motor used in an electric scooter capable to run at 90 kmph, if the fixed gear ratio is 7 and tire size is 90/100 R10 53J? How to read a tire? Given: Gear ratio=7 Speed=90kmph=25m/s Tyre…

Aim:  To perform Batch meshing on Hood and Fender components under specified quality criteria and assign non-linear material property.Objective: Assign material and property cards to the components.Given Quality CriteriaTarget Element Length = 5mmProcedure:Hood:1) Before working on the model first create…

Aim: To simulate the Rankine Cycle and plot the corresponding T-S and H-S plots using MATLAB. Objective: Calculate the state points of the Rankine Cycle based on given inputs.  Plot the corresponding T-S and H-S plots for the given set of inputs.  Given: Input Values: Turbine Inlet temperature = 400° C Turbine…

Aim: To write a program that solves the following ODE which represents the equation of motion of a simple pendulum with damping. In the above equation, g = gravity in m/s2, L = length of the pendulum in m, m = mass of the ball in kg, b=damping coefficient.   Objective: Write a program in Matlab\Octave that will simulate…

Aim: To write a code in Matlab to parse the NASA thermodynamic data file and then calculate the thermodynamic properties of various gas species. Objective: Write a function that extracts the 14 coefficients and calculates the enthalpy, entropy, and specific heats for all the species in the 'THERMO.dat' file. The formulae…

Aim: To study about Genetic Algorithm and to calculate the global maxima of stalagmite function using the Genetic Algorithm in MATLAB. Objective: Write code in MATLAB to optimize the stalagmite function and find the global maxima of the function. Clearly explain the concept of genetic algorithm in your own words and…

Aim: To perform a curve fitting for the given dataset and to find the best fit and perfect fit for that particular dataset using Matlab. Objective: Write code to fit a linear and cubic polynomial for the Cp data.  Plot the linear and cubic fit curves along with the raw data points. Title and axes labels are a must,…

Aim: To write a program that can solve an otto cycle and make plots using MATLAB. Objective:  Create a program to visualize PV diagram  Find the thermal efficiency of the engine. Introduction: Air Standard Cycle: In power engines, energy is provided by burning fuel within the system boundaries, i.e., internal…

Aim: To simulate the forward kinematics of a 2R Robotic Arm Theory: Forward kinematics refers to the use of the kinematic equations of a robot to compute the position of the end-effector from specified values for the joint parameters. The kinematics equations of the robot are used in robotics, computer games, and animation.…

Aim: To write a Matlab program to calculate drag force against a cyclist. Objective: Write a program to plot Velocity vs Drag force. Write a program to plot Drag Co-efficient vs Drag force. Factors involved: Velocity: It is defined as displacement over time. Drag coefficient: It is a dimensionless quantity that is used…

Objective: To mesh the given turbocharger model using the ANSA tools taught in the lecture. Procedure: Open the given model in ANSA software. Now select PID in drawmode. Now in quality criteria, go to presentation parameters and checkmark on \"Draw CONS in PID, MID,.....mode like in ENT mode\" option, then drag the bar…

Objective: To perform roof crash analysis on the given model and obtain the required output requests. Given Question: Roof Crush - BIW: Import • Car• Impactor Transforms • This will require (in order)• A 180° rotation about the global z-axis• A 5° rotation about the axis through axis AB•…

Objective: To mesh the given model using the ANSA tools taught in the Lecture. *Use element size as 1 unit. Procedure: Open the given model in ANSA software. Now select PID in drawmode. Now in quality criteria, go to presentation parameters and checkmark on \"Draw CONS in PID, MID,.....mode like in ENT mode\" option and…

Objective:  To make use of connectors and attach various parts for the given model. Given: Right_Rail_2 & Front_truss_1:- Seam-Quad(angled+capped+L) Left_Rail_2 & Front_truss_1:- Quad elements Front_truss_2, Front_truss_1 & Right_Rail_1:- Spot weld with 3 Layers and 5…

Objective: To create 3D meshes for the models provided in the challenge according to the parameters mentioned. 3D Meshing: Tet collapse: 0.15 (for all 3 models) 1. Create Teramesh for Housing model, Elements sizes: 2mm, 5mm, 7mm.  2. For the given Model 2 & 4, Create a 3D mesh with 6mm. Procedure: 1)…

Objective: To mesh the given hood component and check the quality as per the given criteria. Procedure: Open the given hood stp file in the Hypermesh. Now extract the mid surface of the model and assign thickness. Cleanup the geometry using quickedit-toggle line and autocleanup options. Now generate the 2D mesh using…

Objective: To perform side crash analysis on the given model and obtain the required output requests. Question: Neon side crash -BIW: Check unit system and either follow [Mg mm s] or [Kg mm ms]. Create appropriate interface ,friction 0.2 and recommended parameters. Make sure of no penetration and intersections. Create…

Objective: To perform frontal crash analysis on the given model and obtain the required output requests. Question: Frontal crash-BIW: Check unit system and either follow[Mg mm s] or [Kg mm ms]. Create appropriate interface ,friction 0.2 and recommended parameters. Make sure of no penetrations and intersection. Correct…

Objective: To analyze and compare the 7 cases of a spherical ball hitting the rupture plate with different materials and properties. Given: Case set up and Execution: Case 1:  1. Open the FAILURE_JOHNSON_0000.rad file. 2. Change the shell element properties. 3. Run the radioss analysis and name the file as Law2_epsmax_failure.…

Objective: To generate mesh for the bumper system with mesh size=6mm and also compare the base setup simulation results and different kinematic condition simulation results for given crush tube files. Case set up and Execution: Bumper System: Open the Bumper_system.hm file. Create mesh with size=6mm, one face at a time.…

Objective: To compare the simulation results of the base setup and improved shell element properties. Case set up and Execution: Case 1: 1. Open the \"Element_Formulation_Shell-3_assignment_0001.rad\" file using TextPad software to edit the values. 2. Change the runtime from 60 ms to 55 ms.   The runtime value…

Objective: To create the 2D and 3D mesh for the given models and also perform Radioss for the given engine file. Procedure and Answers: Download the provided files. The material properties of the rail component are mentioned in the FIRST_RUN_0000.rad file. Density=0.0078 and Young\'s Modulus=210000. Therefore, the…

Objective: Download and Import the models with extension .hm Clean up the given models Extract the mid surface for the models Now hide the original component Using quick edit, edit the mid surface of the models Fill the holes with dia less than 5mm Create 2D mesh by keeping the element length as l=5mm and the limits as…