Week 2 Challenge

Write a Test plan to test features of a new mobile phone (Blackbox test) that needs to be implemented based on the following requirements. (The product is still under development stage and is yet to be UA (User Acceptance ) tested .Every other thing to be included in the test plan can be hypothetical. Answer:- US-1: Power…

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 by Washing time of 100s. Then rinsing…

Carry out a system-level simulation of an all-terrain vehicle.  Download the model from the given link:  https://www.mathworks.com/matlabcentral/fileexchange/70576-baja-all-terrain-vehicle-atv-model Prepare a technical report explaining the model properties & comments on the results. Answer:- ALL TERRAIN…

Make a Simulink model of Doorbell using solenoid block with the following details:   In the above arrangement, when the switch is closed the electromagnet receives electrical power from the battery and pulls the metal arm to hit the bell producing sound.  Create a situation where the switch is closed for 2 seconds…

Run simulations, change the threshold, create plots and measure current and hydrogen consumption. Specify the outputs. How to run the model.  (Note- The simulink model file should be compulsorily attached)   Answer:- 1) Driver Block:-   Input to this system is desired velocity and actual velocity. Driver…

Complete the energy management strategy model with battery, UC and fuel cell for the positive power and distribute the power demand among these components. Set simulation stop time to 598 sec. The output of the model should be the power request from UC, fuel cell and battery.   Answer:- Matlab Model:- Step:1) Selection…

Load the UC parameter file. Complete the Ultracapacitor model. Set simulation stop time to 598 sec. The model output should give, current, SOC and Voltage as output. Answer:-   Unlike the resistor, which dissipates energy in the form of heat, the ideal capacitor does not loose its energy. We have also seen that the…

Load the vehicle parameters. Complete the vehicle model by modelling the remaining equations. Set simulation stop time to 598 sec. The output should be the vehicle velocity.  Answer:- VEHICLE MODEL IN MATLAB SIMULINK: Vehicle model here is nothing but the equations of forces which comes under vehicle dynamics i.e…

Aim:- Create a stateflow or Simulink model for the following flowchart. Load the .mat file into the workspace. The input to the model would be the power demand. The output should be: Fuel cell power Battery power FC Operating state (running, standby) Create plot of these outputs against time. (Note- The simulink model…

Question 1: Consider a scenario where an aggressive driver is accelerating very rapidly and braking harshly in a city driving. Is battery better a choice to supply power than UC in this scenario? True False Why?  Answer:-  False.  Ultracapacitors can be used as energy storage devices similar to a battery,…

Question 1:Compare four different types of fuel cells and state their applications. Answer:- Fuel Cell Fuel Cells Fuel Cell was invented in 1838 but was used commercially much later by NASA. Typically, they used it in their satellites and other devices for their research to supply power. Today, you will find these being…

Aim:- Using MATLAB/simulink and  the drive cycle from the attached excel sheet, find- The max heat generation of the battery  The SOC of the battery at 2 *104second of the battery operation Consider the battery resistance is 0.5 mOhm, delta time is 0.1 and entropic factor is 2 Answer:- The max heat generation…

Design a battery pack for a car roughly 150 Kw with 120 V. Use 3500 mAh 3.6V nominal NMC chemistry cell. 1) Design the battery pack configuration.  Answer:- 2)Draw the BMS topology for this battery pack. Answer:- Conclusion:- Here we have calculated the total number of cells in series and parallel for the given ratings.…

In this project, a Simulink model for the DC motor will be first developed per the schematic shown in Figure 1. Use the Proportional, Integral, and Derivative (PID) control design knowledge gained in the training to design, develop and test a controller to maintain a desired speed for the motor. Answer:-    …

Project : In a laboratory experiment, data of voltage and current has been recorded and the same is attached in an excel file ( VI.xlsx ). Read the excel file in the Matlab program and perform the interpolation in the range of -17.3:0.1:0.9. Generate the interactive plot for the interpolated data. Additionally,…

Aim:- 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…

Projetect:- 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…

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:         1. System level configurations        2. Model parameters      …

1)What is the difference between mapped and dynamic model of engine, motor and generator? How can you change model type?  Answer:- Powertrain blockset provides two types of enigne models:Mapped and Dynamic. Mapped Model:- Mapped engines represents macro engine behavior as a set of lookup tables(brake torque, fuel…

Part A:- 1)Search and list out the total weight of various types of aircrafts.  Answer:-   What Is The Aircraft? Any vehicle that is manufactured and made to fly in the air is called an aircraft. While the aeroplane is the most known, familiar, and popular kind of aircraft we know, other vessels that fly through…

1)For a defined driving cycle, calculate the energy required for braking. Answer:- Defining the drive cycle in matlab: Importing and running the simulation:-   Now we can see the braking is happning from 100kmph to 0 kmph. Kinetic energy can be given as=(1/2)*m*v^2 now mass of the vehicle m=500kg Velocity Vi=100 kmph…

1.) A.) Explain a MATLAB demo model named ‘Speed control of a DC motor using BJT H-bridge’. Answer:- Matlab command:- power_Hbridge Discription of above model:- The H-bridge consists of four BJT/Diode pairs (BJT simulated by IGBT models). Two transistors are switched simultaneously: Q1 and Q4 or Q2 and Q3. When Q1 and…

1) Which types of power converter circuits are employed in electric and hybrid electric vehicle?  Answer:- The functions of the power converter circuit in the motor drive are: Transfer electrical energy from a source that could be of a given voltage, current at a certain frequency and phase as the input To an…

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. Answer:- Step1:- Selecting EV_defaults_in Step2:- Make mass 500kg Step3:- Select FTP drive cycle Step4:- Run the configuration The total distance travelled…