MODELLING OF AN ELECTRIC CAR WITH LI-ION BATTERY

MODELLING OF AN ELECTRIC CAR WITH LI-ION BATTERY   Aim – To model an electric car vehicle using an Induction Motor & Lithium Ion battery from Powertrain Blockset. To check the performance of the system configuration, model parameters on areas like – Motor speed, Motor Torque, State of Charge, Battery…

MODELLING OF AN ELECTRIC CAR WITH LI-ION BATTERY   Aim – To model an electric car vehicle using an Induction Motor & Lithium Ion battery from Powertrain Blockset. To check the performance of the system configuration, model parameters on areas like – Motor speed, Motor Torque, State of Charge, Battery…

Week 7 Challenge: Micro-controllers What is the need of communication within charger, battery pack, and motor drive?  Write a pseudo code for displaying speed on the digital dashboard as per below conditions; Update displayed speed every second, turn on high efficiency indicator between 50 to 60 kmph, Turn on safe…

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Week 8 Challenge: Thermal Management   Draw a high-level schematic of remote controller toy car system. What are the differences for an actual car? What are the cooling requirements of a power converter? Take an example system and assume efficiency and other parameters. Suggest suitable solution to keep temperature…

Week 6 Challenge: Power Converters Why does MATLAB PID auto tuner doesn’t work for a power converter? Show step wise process for a buck-boost converter circuit.  Explain the importance of ADC and DAC blocks in closed loop control of power converter.  Prepare an organizational chart of people working at…

Week 5 Challenge: Analog Control Systems   Compare analog control system with digital one with respect to electric vehicle motor. Explain call back and over the air update events by automotive companies.    Using MATLAB plot bode diagram of chosen transfer function in s-domain and…

Week 4 Challenge: PID Controllers In which situations feedforward control of DC motor fails? Prepare a MATLAB script for feedforward control and test it.  Assume a plant and controller. Using MATLAB PID controller block verify system response with General Observation for PID gain. Consider below system  …

Week 3 Challenge: DC-DC Converter Tune Compensator for DC Motor Using Bode Diagram Graphical Tuning           G = 1.5 / （s^2 + 14s + 40.02）           Rise time of less than 0.5 seconds, Steady-state error of less than 5%, Overshoot of less than 10%, Gain margin greater…

Week 2 Challenge: Bode Plots and Step Response Aim – Which are the MATLAB commands related to transfer function, pole-zero-gain and step response? Take an example transfer function and apply all commands.  For the unity feedback system shown in figure below Determine closed loop step response using MATLAB commands.…

WEEK 1 - TRANSFER FUNCTION Aim -  How Hybrid Electric cars are operated more efficiently by autonomous driving systems? Derive Transfer function of a car & convert it to state space format. Are the Transfer Functions of RC & CR (output across R) circuits same?   How Hybrid Electric cars are operated more…

PROJECT 2 – DESIGN OF AN ELECTRIC VEHICLE AIM – Create the MATLAB model of an Electric car which uses Lithium-Ion Battery & Induction Motor. Choose suitable blocks from Powertrain Blockset.   INTRODUCTION - An EV is defined as a vehicle that uses an electric motor or traction motor for propulsion as…

PROJECT 1 – POWERTRAIN FOR AIRCRAFT IN RUNWAYS Aim – Search & list out the total weight of various types of aircrafts. Is there any difference between ground speed & air speed? Why is it not recommended to use aircraft engine power to move it on the ground at airport? How an aircraft is pushed to runway…

                                                                                                      Week 11 Challenge – Braking Aim – To calculate energy required for braking for a defined Drive Cycle. To understand why electric motors cannot develop braking torque at higher speed similar to starting & also compare mechanical…

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DUTY CYCLE & CONTROL SIGNAL GENERATED FOR A BOOST POWER CONVERTER CIRCUIT.   WHY POWER ELECTRONIC CIRCUITS ARE EFFICIENT? IN PRACTICE, WHICH TYPES OF LOSSES OCCUR IN POWER ELECTRONIC CIRCUIT? Power electronics is he application of solid state electronics for control & conversion of electric power. The first…

INDUCTION MOTOR CHARACTERISTICS - II AIM – Discuss about equivalent circuit network of Induction Motor MATLAB Model. 3 Phase 50 Hz. Induction Motor, represented by equivalent circuit constants X1 = X2 = 0.1 Ohm. & R1 = R2 = 0.2 Ohm. Is operated half at rated voltage and frequency. Calculate the ratio of starting…

INDUCTION MOTOR CHARACTERISTICS AIM – To study the working principle and characteristics of Induction Motor. To evaluate the starting time for the IM Drive by defining the load torque & motor torque behaviour. To evaluate the state of stability of Induction Motor with Torque Speed Characteristics. INTRODUCTION…

  Aim – Run a MATLAB demo ‘Speed Control of a D.C. Motor using BJT H - Bridge’ modify the model such that armature current doesn’t shoot up when motor changes direction from forward to reverse. Refer to help section of the ‘Four Quadrant Chopper D.C Drive (DC7) Block’ compare it…

EV DRIVETRAIN   AIM – To understand different types of power converters found in EV and HEV. Duty ratio and power electronics on the vehicle control. Author's perspective of induction versus dc brushless motors by Wally Rippel, tesla.   Q.1) Which types of power converter circuits are employed in electrical…

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                                                                PROJECT NAME – WIDE OPEN THROTTLE CONDITION USING POWER TRAIN BLOCKSETS   AIM –…

                                                         PROJECT NAME – ADVISOR TOOL   AIM – To use ADVISOR tool for simulation. OBJECTIVE – Use EV_defaults_in_file,…

                                                                          PROJECT 2 – WIDE OPEN THROTTLE CONDITION (WOT) CONDITION…

    PROJECT NAME – CONTROL LOGIC OF WASHING MACHINE & GEAR SHIFT MECHANISM USING STATEFLOW   AIM - Implement control logic of washing machine using Stateflow by giving certain conditions as per power input & water input. As per this input, machine operates and obtain output by lamp light. Create…

                          PROJECT NAME – CONTROL LOGIC OF WASHING MACHINE & GEAR SHIFT MECHANISM USING STATEFLOW AIM -  Implement control logic of washing machine using Stateflow by giving certain conditions as per power input & water input.…

PROJECT 3 – MASS SPRING DAMPER IN SIMSCAPE AND SIMULINK MODEL AND CALCULATING WORKDONE FOR GIVEN INPUT & IMPLIMENTING THE GIVEN EQUATION                                                 …

   PROJECT NAME – SIMULINK MODEL FOR DOORBELL & THERMISTOR   Aim- To make Simulink model for a doorbell using solenoid block. To use thermistor to sense temperature of a heater and turn on/off the fan.   DOOR BELL-     Simulink model explanation – We have used following blocks…

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  Q.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 & tyre size is 90/100 R10 53J? Also recalculate the value if the code is 90/90/ R18 53P ? Example -                    …

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PROJECT NAME – PARSING NASA THERMODYNAMIC DATA   AIM- To write a MATLAB program to extract 14 coefficients from the matlab extras\THERMO.dat.txt file to calculate enthalpy, entropy, specific heat, for all the species in the data file. Also by plotting graphs of every species and find the molecular mass of the…

PROJECT NAME -  GENETIC ALGORITHM In this project we will solve global optimization problem. We have used MATLAB to write specified programs and in this process we have learned how to use for loops, if conditions and also functions. So, what is optimization? When it comes to our engineering function it can be something…

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                                                               PROJECT NAME – SOLVING 2nd ORDER DIFFERENTIAL EQUATIONS USING MATLAB   2nd order differential…

                                                                                  PROJECT NAME – AIR STANDARD…

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PROJECT NAME – FLOW OVER A BICYCLE    AIM - To find out relationship between drag force and velocity by considering area of the cyclist and change in the speed of riding a bicycle with respect to incoming velocity. write a programme to plot Drag Co-efficient vs Drag force and find out relationship between…

PROJECT NAME – MATLAB BASICS     AIM: - To find out the results by executing different MATLAB commands and experiencing the syntax of the MATLAB.   OBJECTIVES: - To build strong foundation of MATLAB syntax. Understanding of MATLAB GUI. To understand basic functions and commands in MATLAB. To understand…