Week-7 Challenge: DC Motor Control

Week-11 Challenge: Braking   1) For a defined driving cycle, calculate the energy required for braking. The powerplant of a vehicle produces power to satisfy tractive effort requirements of acceleration and steady state operation. When it comes to deceleration, driver cannot rely solely on aerodynamic drag to bring…

Week 7: DC Motor Control 1) 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.   Diagram of Matlab…

Week 6: EV Drivetrain 1) Which types of power converter circuits are employed in electric and hybrid electric vehicle? AC to DC converter (Rectifier)-Used for charging battery by plugging into AC wall socket. DC to AC converter (Inverter)-Used as AC motor drive for supplying AC voltage to induction motor from battery.…

Wide Open Throttle Condition Part 2 1) What is the difference between mapped and dynamic model of engine, motor, and generator? How can you change model type? Figure 1-Electric vehicle reference application In a backward facing model such as the EV vehicle reference application in Matlab, shown in Figure 1, the vehicle…

ADVISOR TOOL   AIM-Understand the use of advisor tool.   OBJECTIVE-Use ADVISOR tool and simulate the following- 1) EV with cargo mass of 500kg running FTP drive cycle. 2) EV with cargo mass of 500kg running FTP drive cycle with increased battery capacity. 3) Gradeability test of Toyota Prius.   BODY OF WORK…

Stateflow of Washing Machine and Gearbox   AIM: 1) Implement control logic of washing machine using stateflow. 2) Make Simulink chart for “Gear Shift” logic.   OBJECTIVE: For Washing Machine- 1) If power supply or water supply is not available, stop the process and indicate through LED. 2) Soaking time should be 200s,…

Electric Doorbell and Thermistor   AIM: Create Simulink model to simulate electric doorbell and thermistor-based switch.   OBJECTIVE:    For electric doorbell  Create input signal for electric doorbell. Generate output for doorbell that corresponds to input signal.                         For Thermistor Create input signal…

Parsing NASA Thermodynamic Data AIM: Write program that extracts 14 coefficients from output file and calculates enthalpy, entropy and specific heat for all species in data file. OBJECTIVES: Calculate values of enthalpy, entropy and specific heat for all species using thermodynamic data from file. Plot the values of enthalpy,…

GENETIC ALGORITHM   AIM: Write Matlab program to find maxima of a function.   OBJECTIVE: Use genetic algorithm to find global maxima of a stalagmite function.   BODY OF WORK: A genetic algorithm is used to optimize a function by finding maxima value. In matlab, inbuilt function of genetic algorithm can only…

Second Order Ordinary Differential Equation   AIM: Write Matlab program to simulate damped vibration.   OBJECTIVE: Solve second order ordinary differential equation to simulate movement of pendulum and create video of it.   BODY OF CONTENT: Motion of pendulum is given by following second order ordinary differential…

Simulation of Ideal Otto Cycle   AIM: Write Matlab program to simulate ideal otto cycle.   OBJECTIVE: Write a program which plots pressure-volume diagram of ideal otto cycle and calculates thermal efficiency.   BODY OF CONTENT: Program is written in Matlab and is attached below. clear all close all clc %Inputs…

2R Robotic Arm Challenge   AIM: Write a program in Matlab to simulate the forward kinematics of a 2R Robotic Arm.   OBJECTIVE: Create an animation file of the plot.   BODY OF CONTENT: Program is written in Matlab and is attached below- % Forward kinematics of a 2R robotic arm manipulator clear all close…