Simulation of pendulum by solving second order ODE using MATLAB

Objective > Write a Matlab code to simulate a One-dimensional Linear Convection equation.   Conditions > The initial velocity profile is a step function. It is equal to 2m/s between x= 0.1 and 0.3 and 1m/s everywhere else > length is L = 1m > First-order forward differencing for the time derivative…

Objective > Derive the following 4th order approximations of the second-order derivative.  Central difference Skewed right-sided difference Skewed left-sided difference > To prove that the skewed schemes are fourth-order accurate. > Write a program in Matlab to evaluate the second-order derivative of the…

Objective  > Write code to fit a linear and cubic polynomial for the given data. > To measure the fitness characteristics for both the curves. > Write code to fit a curve using splitwise method. > To explain best fit, perfect fit, and improvements for cuibc fit.   Solution The code to fit a linear…

Objective > To find out the value of pressure for h = 0.6 ft by the below given equation using Newton-Raphson method.    `p^3(-beta^2)+(0.4hbeta^2-(sigmah ^2)/r^2)p^2+((sigma^2h^4)/(3r^4))p-((sigmah^2)/(3r^2))^3= 0`    `p` = Cushion pressure    `beta` = Width of the ice wedge   …

Objective > For a defined driving cycle, calculate the energy required for braking. > Explain why electric motor can’t develop braking torque at high speed similar to starting > Explain electric and mechanical brakes are coordinated  > A MATLAB program which plots contour of given motor speed, torque…

Objective > Efficiency and losses of power electronic circuits    > Using buck converter MATLAB model, show how duty cycle control signal can be generated for a simple power converter circuit  > Comparison of square wave inverter output voltage with sine modulated one.  > Difference…

Objective > Explain in brief about operation of BLDC motor. > The equivalent circuit network of induction motor MATLAB model. > To calculate the ratio of starting torque at half voltage & frequency to rated values of a 3 phase, 50 Hz induction motor, represented by equivalent circuit constants X1 = X2 = 0.1…

Objective > Run MATLAB demo ‘Speed control of a DC motor using BJT H-bridge’. Modify the model such that armature current doesn’t shoot up when motor changes direction from forward to reverse.  > Comparison of 'The Four-Quadrant Chopper DC Drive (DC7) block’ with 'H-bridge model'. >…

Objective > Implement DC machine torque speed characteristics equations in MATLAB script file. > Distinguish between power cables and signal cables in wiring of an electric vehicle > Define what voltage levels are considered as high & low for a battery pack of electric vehicle   DC machine torque…

  Objective > Definition of mapped and dynamic model > Explanation of model calculating miles per gallon. > Run the HEV ReferenceApplication with WOT drive cycle. Change the grade and wind velocity in the environment block.  > Keeping all other parameters same, compare the simulated results of…

  Objective > Simulate EV_default_in file in ADVISOR tool with change in cargo mass 500kg with target range 45km > Perform gradeability test with PRIUS_Jpn_defaults_in file ADVISOR         NREL’s ADvanced VehIcle SimulatOR, is a set of model, data, and script text files for use…

Objective > Ratio of hill-climbing power required by fully loaded tata ultra truck to the half-loaded one.  > Prepare a new drive cycle excel file with hill climbing angle and include them to modify the Driver_glider.slx file to calculate gradient force according. > To make a WOT simulation of GM EV1 car…

Objective > Weights considered in an aircraft > Diffrence Between ground speed and air speed > Definition of Taxiing > Phases of flight from hanger to take off > Calculation of power required to push or pull an aircraft using towing truck > Calculation and block diagram of Powertrain   Total weight…

Objective > To wite a python program to plot the PV diagram and to get the thermal efficiency value of an otto cycle. Solution procedure > To plot the PV diagram of the otto cycle it is required to assume the values of some parameters at the state points and engine dimensions to find the values of pressure,…

Objective > To 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 (NASA Thermodynamic data). > Calculate the molecular weight of each species. > Plot the Cp, Enthalpy and Entropy for the local temperature range specific…

Objective > A Matlab program to simulate the pendulum motion between 0-20 sec, for angular displacement=0, angular velocity=3 rad/sec at time t=0 using the below given ODE    `(d^2theta)/(dt^2)+(b/m)((d theta)/(dt))+(g/l)sintheta = 0` > The ODE represents the equation of motion of a simple…

Objective > A code to fit a linear and cubic polynomial for the Cp data. data - (https://drive.google.com/file/d/1vWi9Vj3AdQf0gqUK1u9jwS8zg92BHGR0/view) > The above data file consists of two columns Temprature in K and Specific heat (cp) > Definition of       > popt ,pcov      >…

Drag Force    A drag force is the resistance force caused by the motion of a body through a fluid. A drag force acts opposite to the direction of the oncoming flow velocity.                                       Fd…

Objective  > Concept of genetic algorithm and syntax for ga in Matlab. > Code to optimise the stalagmite function and find the global maxima of the function.   Genetic algorithm     Genetic Algorithms(GAs) are adaptive heuristic search algorithms that belong to the larger part of…

Objective > A python script to visualize the data according to the user input and save the images. > The program should do a compatability check for the given input file. > To do performance calculations such as     > Area under P-V curve.     > Power output of engine.     >…