Program- read=xlsread('VI.xlsx');%import and read excelfile format compact V=read(:,1); %read first column of excel file I=read(:,2); %read second column of excel file   Xq = -17.3:0.1:0.9 ; %define interpolation range Yq1 = interp1(V,I,Xq); % interpolate V,I Yq2=interp1(V,I,Xq,'spline'); % interpolate V,I by spline method…

Aim- Simulink model for the DC motor    The Speed control of a DC motor is either done manually by the operator or by means of an automatic control device. This is different to speed regulation where the speed is trying to be maintained or regulated against the natural change in speed due to a change in…

First we have to Do calculation part for the find the battery pack capacity for this Given Data is Vehicle Weight=300kg Motor Rating-1200wh.65V Range=225Km Max Speed-50 kmph First we have to calcualte Motor Current Power = V*I 1200 = 65*I I = 1200/65 I = 18.46 A Current withdrawn By Motor 18.46 Amp Assure Current Loss…

Design and Develop a PWM controlled fan load with DC motor   Ans:- By controlling the electrical parameter of motor result in change of speed of Fan. Fan connected on shaft of the DC motor. A DC motor consist basically of two parts, the stationary body of the motor called the “Stator” and the inner part…

Design and simulation of Buck converter for Auxiliary load in EV. Input voltage is 48V, Output voltage is 12 V Load current is 10A Calculate Duty ratio and Load(use Resistor as Load) Calculate L,C    Ans:-  A Buck DC/DC converter is a device convert an unregulated input voltage into an regulated output voltage lower than…

For a 10 cell series, calculate the voltage, current and SOC. Also simulate the aging and thermal effects at different charge and discharge rates. Comment on the battery pack’s capacity. Ans-  Simulink Model-        The above fig shows the 10 cell series lithium ion battery model.These are…

Design and Develop a simulink model to understand Energy analysis of EVs on different driving cycles   Ans-   Simulink Model          System Level Configurations: The Vehicle Model Mainly consists of : 1) Drive Cycle Source  2) Motor and Controller 3) Battery Pack and Power Converter…

 AIM: To create a Simulink model for vehicle direction determination:   Step-1 To Create a sldd file to update all the given inputs, outputs & parameters on this file later calling these variables on the Simulink blocks are shown in the fig. Step-2 Model explanation:     First we can create two sub-systems and name as…

Create a sldd file according to the data given in question. modeling > link to data dictionary > new( create new sldd file) then access the sldd file  from modeling> model explorer>Adaptive_cruise_control> expand external data> design data( input signal and parameters there) Main model  This…

Use ADVISOR tool and 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 FTP drive cycle? Conclude your observations.   2.   In the above case, try changing the battery capacity and repeat the simulation.   3.   Perform…

Question What is the difference between mapped and dynamic model of engine, motor and generator? How can you change model type?  How does the model calculate miles per gallon? Which factors are considered to model fuel flow?  Run the HEV ReferenceApplication with WOT drive cycle. Change the grade and wind velocity in the…

Question 1.  Which types of power converter circuits are employed in electric and hybrid electric vehicle?    2.  An Electric Vehicle's powertrain with 72V battery pack in shown in the diagram below. The duty ratio for acceleration operation is 'd1' and for the braking operation the duty ratio is 'd2'.   The other parameters…

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. 2. Develop a 2-quadrant chopper using…

For a defined driving cycle, calculate the energy required for braking. Why electric motor can’t develop braking torque at high speed similar to starting? How electric and mechanical brakes are coordinated?  Make a MATLAB program which plots contour of given motor speed, torque and efficiency values. Attach…

Part A: 1. Search and list out the total weight of various types of aircrafts.  2. Is there any difference between ground speed and air speed? 3. Why is it not recommended to use aircraft engine power to move it on the ground at Airport?  4. How an aircraft is pushed to runway when its ready to take off? 5. Learn…

Create a MATLAB model of electric car which uses lithium ion battery and suitable motor. Choose suitable blocks from Simscape or Powertrain block set. Implement the vehicle speed control using PI controller and generate brake and accelerator commands. Avoid using readymade driver block for speed control. Prepare a report…

AIM:-----The max heat generation of the batter ....................... 1-The max heat generation of the battery  The heat generated = Joules Heat + Entropy Heat the conversion of electrical energy into heat energy by the resistance in a circuit is known as joules heating  entropy is a measure of the heat transfer of energy…

Create a detailed MATLAB model of an electric rickshaw (three wheel passenger vehicle) as per details below:  Rear wheels driven by PM brushed type motor Assume efficiency points of motor controller and motor Make an excel sheet of all input and assumed data  Results: For any three standard driving cycles show energy consumption,…

Given;  Power = 150 kW Voltage = 120 V Capacity = 3500 mAh = 3.5 Ah Nominal/single cell voltage = 3.6 V Then, the no. of cells in series = Total voltage/single cell voltage = 120/3.6 = 33.34 = 34 cells. Power = V*I  I = Power/Voltage = 150000/120 = 1250 A No. of cells in parallel = Current/Capacity = 1250/3.5 = 358 cells…

Question Create a MATLAB model of electric car which uses a battery and a DC motor. Choose suitable blocks from Powertrain block set. Prepare a report about your model including following: Objectives: ii        1. System level configurations        2. Model parameters  …

Create a detailed MATLAB model of an electric rickshaw (three wheel passenger vehicle) as per details below:  Rear wheels driven by PM brushed type motor Assume efficiency points of motor controller and motor Make an excel sheet of all input and assumed data  Results: For any three standard driving cycles show energy consumption,…