DC MOTOR CHARACTERISTICS

AIM `to` For the given models, check for the geometrical errors and delete surfaces which are unwanted for Surface wrap as shown in the videos. After clearing geometry, Merge all 3 models and perform surface wrap. Target length for Wrap = 3 mmWrite a detailed report on steps followed to finish this challenge.   MODELS…

AIM `to` For the given model, check and solve all geometrical errors on half portion and Assign appropriate PIDs. Perform the surface meshing with the given Target length and element Quality criteria. After meshing the half model, Do symmetry to the other side. Target lengths for the different parts of a model are as follow:…

AIM`to` For the given model, check for the geometrical errors to make appropriate volumes. Create and assign PIDs as shown in the video. Perform surface mesh with the given target lengths as per PIDs. Blade stage-1 = 1 mm Blade stage-2 = 1 mm Impeller = 2 mm Shaft rotor = 1 mm Turbo casing = 5 mm Compressor casing = 5…

AIM For the given model, check for the geometrical errors and perform Topology cleanup accordingly. Set three different target lengths as three different cases and mesh the model.  Target length = 1mm, 3 mm and 5 mm (i.e. 3 cases) Element type = Tria Apply any one target length from the above at a time for the entire…

AIM Your objective is to write a program that solves the following ODE. This ODE represents the equation of motion of a simple pendulum with damping   Use L=1 metre, m=1 kg, b=0.05, g=9.81 m/s2. Simulate the motion between 0-20 sec, for angular displacement=0,angular velocity=3 rad/sec at time t=0.   PRE-REQUISITES…

AIM `to`  Solve the 2D heat conduction equation by using the point iterative techniques for both STEADY and UNSTEADY equations. The Boundary conditions for the problem are as follows; Top Boundary = 600 K Bottom Boundary = 900 K Left Boundary = 400 K Right Boundary = 800 K You will implement the following methods…

AIM Understand file parsing using MATLAB software.   REQUIREMENTS NASA  came up with polynomials that can be used to evaluate thermodynamic properties such as Cp, H and S. They have also documented the co-efficients that are required to evaluate these polynomials for 1000+ species. The file is with coefficent…

AIM  Understanding DC motor control in EV & HEV OBJECTIVE-1`to 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.  OBJECTIVE-2`to`Refer to help section of…

AIM`to` To understand the braking feature in EV's   OBJECTIVE -1 `to` For a defined driving cycle, calculate the energy required for braking. OBJECTIVE -2 `to` Why electric motor can’t develop braking torque at high speed similar to starting? How electric and mechanical brakes are coordinated?  OBJECTIVE…

OBJECTIVE - 1`to`Search and list out the total weight of various types of aircrafts.  OBJECTIVE - 2`to`Is there any difference between ground speed and air speed?  OBJECTIVE - 3`to`Why is it not recommended to use aircraft engine power to move it on the ground at Airport?  OBJECTIVE - 4`to`How an aircraft…

AIM `to` Derive the following 4th order approximations of the second-order derivative.  1. Central difference 2. Skewed right-sided difference 3. Skewed left-sided difference After deriving these schemes, prove that your skewed schemes are fourth-order accurate i.e the thumb rule given in HINT (ii).  Once…

AIM Understandig DC MACHINE or MOTOR   OBJECTIVE-1→">→→Implement DC machine torque speed characteristics equations in MATLAB script file. It asks 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 OBJECTIVE-2→">→→How…

AIM Write a program in Matlab to simulate the forward kinematics of a 2R Robotic Arm, as shown in the video. Also create an animation file of the plot. PRE-REQUISITES RESOLUTION OF VECTORS - Vector resolution is a process where one vector is broken down into two or more smaller vectors.   …

AIM Write a code in Matlab that can solve an otto cycle and make plots for it. Create a PV diagram and find  the thermal efficiency of the engine.   PRE-REQUISITES An Otto cycle is an idealized thermodynamic cycle that describes the functioning of a typical spark ignition piston engine. It is the…

AIM. Understanding Genetic Algorithm (GA) OBJECTIVES Explain the concept of genetic algorithm in your own words and also explain the syntax for ga in MATLAB in your report. Write a code in MATLAB to optimise the stalagmite function and find the global maxima of the function. Plot graphs for all 3 studies…

OBJECTIVE-1`to`Which types of power converter circuits are employed in electric and hybrid electric vehicle?    In EVs, the Fuel Cell (FC) stack, battery bank, and Supercapacitors (SCs) bank are usually used as clean energy sources. Combining such energy sources leads to a FC/SC/battery Hybrid Power System…

AIM Understanding Powertrain Blockset in MATLAB   OBJECTIVE-1`to`What is the difference between mapped and dynamic model of engine, motor and generator? How can you change model type?  OBJECTIVE-2 `to`How does the model calculate miles per gallon? Which factors are considered to model fuel flow?  OBJECTIVE-3 `to`Run…

AIM Understanding ADVISOR Tool   OBJECTIVE-1`to` 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. OBJECTIVE-2`to`In the above case, try changing the battery capacity and repeat the simulation. OBJECTIVE-3`to`Perform…

AIM-1 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…

AIM-2 Make a Simulink chart for the “Gear shift” logic as per below conditions:         Speed Range(kmph)        Gear                0 to 15       …

 AIM Implementing the Wide Open Throttle (WOT) OBJECTIVE-1 `to`What is the ratio of hill-climbing power required by fully loaded tata ultra truck to the half-loaded one?  OBJECTIVE-2 `to`A flyover is planned to be constructed on a national highway. Keeping in mind about the gradeability for trucks,…

AIM Understanding the Forces acting on a Vehicle OBJECTIVE-1 `implies` 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 and 90/90 R18 51P? OBJECTIVE-2 `implies` Prepare a simple…

AIM-3 Studying the ‘Mass-Spring-Damper in Simulink and Simscape’ model and answering the following objective questions:- OBJECTIVE-1→→Derive the governing equation for the model OBJECTIVE-2→→Change the value of mass, damper, and spring for the Simscape model and plot the result. Change…

AIM Understanding CURVE FITTING using MATLAB inbuilt function and MATLAB Optimization Tool OBJECTIVE 1 →→ Write code to fit a linear and cubic polynomial for the Cp (Specific Enthalpy) data. Plot the linear and cubic fit curves  along with the raw data points. Title and axes labels are a must,…

AIM-1 Designing a Simulink model of Doorbell. Create a situation where the switch is closed for 2 seconds and then released. Observe the physical movement of the plunger.    REQUIREMENTS MATLAB & SIMULINK softwares Simulink - is a graphical user interface for modeling and simulation of block…