Aafreen Shaikh
Power System Engineer
Skills Acquired at Skill-Lync :
Introduction
15 Projects
Week -2
Q1. Doorbell using Solenoid Block The above model was used for the simulation of a Solenoid whose plunger was used to hit a doorbell. This model consisted of the following blocks: 1. A dc voltage supply 2. Switch with physical actuator 3. Pulse generator for providing actuating signals to switch 4. Solenoid …
27 May 2021 03:28 PM IST
Week - 4
Q1. Washing Machine The following model was used for the state flow of washing machine: The inside of the chart block is as follows: The chart was made by connecting different state flow blocks and giving the proper logic design as mentioned in the question. At the entry of various states we have declared variables with…
10 Jun 2021 05:19 PM IST
Project
Aim: To prepare a technical report by carrying out a system level simulation of a BAJA ATV model. All Terrain Model (ATV): An all-terrain vehicle (ATV), also known as a light utility vehicle (LUV), a quad bike, or simply a quad, as defined by the American National Standards Institute (ANSI);…
15 Jun 2021 10:28 AM IST
Week-3 Challenge: ADVISOR Tool
Q1. Simulating the EV_defaults_in file: In the ADVISOR tool, the EV_defaults_in file was selected. This is a electric vehicle with lead acid battery and a motor of 75kW. The cargo mass was modified to 500kgs. After clicking on continue we went to the next screen where the drive cycle was selected as FTP (Federal Test Procedure)…
02 Jul 2021 03:40 PM IST
Week-4 Challenge WOT Condition Part-2
Q1. Difference between mapped and dynamic models of Generator, Motor and engine: First, let us look at a dynamic engine model- It can be observed that the engine is connected to different blocks such as throttle, coolants, exhaust of which the input,output values are calculated in real time continuosly. The accuracy of…
09 Jul 2021 05:07 PM IST
Week-6 Challenge: EV Drivetrain
Q1. Power Convertors used in EV and HEV systems- Power controllers are used in EV and HEV systems for control and conversion of electric power. They process and control electric energy. The various types of power convertors used are as follows- AC-DC convertor: This type of convertors are called as Rectifiers. They convert…
26 Jul 2021 03:46 PM IST
Week-7 Challenge: DC Motor Control
Q1. A. Explain a MATLAB demo model named ‘Speed control of a DC motor using BJT H-bridge’- The following model was found with the search keywords: Here we can see the following blocks- DC Motor- This represents the fan load which follows `T=komega^2`. It is fed by armature voltage of 240V which can be…
02 Aug 2021 06:29 PM IST
Week-11 Challenge: Braking
Q1. The drive cycle used is IM240 which is inspection and maintenance driving schedule which lasts for 240 sec. It has data as follows: Now in order to find the braking energy needed, we will generate a matlab code. clc; M=1000; t=IM240{:,1}; v=IM240{:,2}; for i=1:240 if v(i+1)<v(i) E(i)=0.5*M*(v(i)-v(i+1))^2; end end…
03 Sep 2021 05:03 PM IST
Project-1: Powertrain for aircraft in runways
PART A Q1. Weight of various aircrafts are as follows: Aircraft Weight (kg) Airbus A380-800 575000 Boeing 747-800 447700 Airbus A340-500 372000 Boeing 777-300ER 352000 Boeing 787-10 254000 Boeing 737-900 85000 Airbus A320-100 68000 Gulfstream G650 45200 Bombardier CRJ900 36500 Cessna 206H 1630 Q2. Wind Speed: For a reference…
09 Sep 2021 04:31 AM IST
Final Project: Design of an Electric Vehicle
Electric Vehicle using a DC motor Using MATLAB Simulink, we have designed an EV having the following configuration: The MATLAB model developed was as follows: The various blocks used for this model are as follows- 1. Drive Cycle Source: The driving reference was simulated by using the FTP75 Drive cycle which is as below-…
18 Sep 2021 02:26 PM IST
Final Project: Electric Rickshaw modelling
The model for the electric autorickshaw is as follows: The various parts in the model are as below: Transmission system: It has three tires connected on a single axle in the vehicle body. Also a simple gear is connected between the Dc motor and the shaft.The details of the tyres, vehicle body and gear is as given below:…
27 Nov 2021 04:09 PM IST
Week 1 Understanding Different Battery Chemistry
1.Prepare a table which includes materials & chemical reactions occurring at the anode and cathode of LCO, LMO, NCA, NMC, LFP and LTO type of lithium ion cells.Give your detailed explanation on it Battery Type cathode anode Carrier Chemical reaction Nominal Voltage Applications LCO Lithium Cobalt Oxide Graphite carbon…
11 Dec 2021 10:45 AM IST
Week 7 State of charge estimation
Q1. Test case 1: When the above test case was applied on the BMS model, the following results were obtained: We observe from the harness dashboard that all system paramters like voltage, current and temperature are within limits and no faults were observed during this test cycle. Now let's look at the output plots: Inferences…
29 Jan 2022 05:13 PM IST
Project 1 Mechanical design of battery pack
Aim: To Prepare a battery back with the given cell having a power capacity of 18kWh. Here are the details of the Cell ANR26650M1-B Step 1: Determining the number of cells required From the data sheet, we can see that the capacity of one cell is 8.25 Wh. Therefore, In order to have battery capacity of 18kWh…
12 Mar 2022 01:19 PM IST
Project 1 (Mini Project on Vehicle Direction Detection
Aim: To generate a Model for Vehicle direction determination. Model: Sub-system 1: The warning says the unit Deg is undefined Sub system 2: The requirement tagging was done for both the subsystems: The SLDD was prepared: The generated code is as follows: /* * File: Week11_directionDetection.c * * Code generated for…
01 May 2022 10:44 AM IST
5 Course Certificates
Introduction to Hybrid Electric Vehicle using MATLAB and Simulink
Introduction to Battery Technology for Electric Vehicle
Introduction to Model-Based Development using MATLAB and Simulink
Academic Qualification
B.E
Sir M. Visvesvaraya Institute of Technology
04 Aug 2008 - 11 May 2012
12th
Kendriya Vidyalaya CRPF
16 Apr 2007 - 29 Mar 2008
10th
International Indian School Jeddah, Girls Branch
03 Apr 2005 - 30 Mar 2006
Here are the courses that I have enrolled
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