Week - 4

Test Plan for New Mobile Phone Features (Blackbox Testing)IntroductionThis test plan outlines the approach for testing the features of a new mobile phone, which is currently under development and pending User Acceptance Testing (UAT). The test plan will focus on verifying the functionality described in the provided user…

A TFT (Thin Film Transistor) cluster speedometer software component is critical to a vehicle's instrument cluster system. The instrument cluster, often located behind the steering wheel, provides essential information to the driver, and the speedometer is a key element of this display.  Hardware Integration:The speedometer…

Title: Study of BAJA All-Terrain Vehicle (ATV) Model with Continuously Variable Transmission (CVT) Objective The objective is to study the BAJA ATV model, explain the model properties, and comment on the results. Introduction This submission contains a set of modules created with Simulink, Simscape, and Simscape Driveline.…

Q1. 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 the LED The soaking time should be 200 seconds, followed by a washing time of 100…

1. The purpose of this simulation was to model the behaviour of an electromagnet and bell system when a switch is closed for 2 seconds and then released.  Blocks used: Solenoid Battery Switch Pulse Generator Scope Pulse Generator The rest of the blocks are default. Output i. Pulse Generator ii. Output 2. The objective…

1. Deciding on the layer stack-up is critical to designing a PCB. The stack-up determines the number and arrangement of layers in the PCB, which affects signal integrity, power distribution, and thermal management. For a power stage in an OGBT or SiC inverter, a typical 4-layer stack-up might look like: Top Layer (Signal…

Designing a non-synchronous boost controller for an automotive application involves several considerations, including the layer stack-up, trace width, via size, trace length, and the choice of the number of layers in the PCB. 1. The layer stack-up is crucial for achieving the desired performance and readability of the…

AIM: 1. Developing Adaptive Cruise Control feature as per the Requirement Document using MATLAB Simulink. 2. Follow all the MBD-related processes: Requirement Tagging and traceability, SLDD creation, Configuration Parameter changes, MODEl Advisor check and Code Generation. 3. In Configuration Parameters: Enable "Support…

AIM:  1. Development of MATLAB Simulink model as per requirement.2. Tag the requirements to the Simulink model; tagging requirement 1 and requirement 2 to their corresponding subsystems is fine. 3. MBD-compliant changes, Data Dictionary creation & Code Generation is added advantage, and that is not the scope of this project.…

I have chosen the first question. 1. Design an interleaving DC/DC converter system for a data centre application with the following specifications: • Input voltage: 45 – 60V• Output voltage: 3V• Output current: 100A• Efficiency > 85% (extra credit for efficiency higher than 90% on a spice-based software simulation tool)…

This is Project 1.

Aim: Using MATLAB for a 10-cell series lithium-ion battery model, simulate the thermal effects and compare life cycle performance at various temperatures, charge & discharge rates. Theory: A thermal management system keeps batteries operating safely and efficiently by regulating their temperature. High battery temperatures…

A 123's high-performance Nanophosphate lithium iron phosphate (LiFePO4) battery technology delivers high power and energy density, excellent safety performance, and extensive life cycling in a lighter-weight, more compact package. Our cells have low capacity loss and impedance growth over time and high usable energy over…

1.  Following the steps from the Simulation of the BMS Model in Simulink in FAQ, the BMS Closed Loop Harness Board is shown below. The BMS model comprises a BMS ECU (electrical control unit) and a plant. The control unit is connected to a block representing the battery pack and associated circuitry and peripherals with…

1. ​ Electrochemistry Negative electrode Positive electrode Electrolyte Chemical Reactions LCO   Ethylene carbonate Anode:  Cathode:  LMO   Ethylene carbonate  Anode:  Cathode: where x = m - n  NCA Ethylene carbonate  Anode:  Cathode: NMC    Ethylene carbonate …

AIM: Obtain a transfer function of a mass spring damper system and use it in the model. Add a PID controller to adjust the force on mass so that its position follows a reference signal.  OBJECTIVE: Theory Simulink model Output Conclusion THEORY: The differential equation that governs the spring-mass system is: MATLAB…

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 Time Time Step Battery Current 00:00.4 0.1 -0.9632 00:00.5 0.2 -0.952 00:00.6 0.3 -0.9072 00:00.7 0.4 -0.9632 00:00.8 0.5…

1.  AIM: To design a battery pack for a car of roughly 150 kW with 120 V. To use 3500 mAh 3.6 V nominal NMC chemistry cell. To design the battery pack configuration. To draw the BMS topology for this battery pack. THEORY: A Battery Management System (BMS) is a technology dedicated to the oversight of a battery…

AIM: To design a vehicle model consisting of a driver, an electric powertrain and a vehicle system and to run the simulations, change the threshold, create plots and measure current & hydrogen consumption.  SIMULINK MODEL To develop a basic simulation model for the vehicle, the things needed can be divided into…

Objective: To build an energy management strategy model to distribute the positive power demand among Batteries, ultracapacitors and Fuel Cells. Theory: In the electric powertrain model, three power source components were added. Fuel cell stack, battery and UC are all capable of proving power. So the energy management…

In the Ultracapacitor (UC) model, we will be looking at the equations that define SOC, current and Open Circuit Voltage (OCV). These quantities are the important parameters that define the status of the UC while being used for driving. Using the basic working principle of UC, we will look at things that influence the OCV,…

The vehicle when moving on the road has various forces acting on it. When longitudinal forces and lateral forces are considered in the model, it becomes a 2D model. The lateral forces are not considered for this model thus making it a 2D model. where  Ft = Tractive ForceFa = Aerodynamic Drag ForceFg = Gradient Resistance…

AIM: To create a Stateflow or Simulink model for the following chart. THEORY: According to the flowchart shown, there are two power sources mentioned Fuel Cell (FC) and Battery. The flowchart also mentions that if the Power Demand from the vehicle is less than the minimum FC power then the FC must go on standby and the…

1. False The battery is not a better choice to supply power in the given driving scenario. Battery and Ultracapacitor complement each other by covering up each other's limitations. The battery has high energy density but low power density. Batteries have a chemical reaction happening in them through which they conduct…

AIM: To create a detailed MATLAB model of an Electric Rickshaw (three-wheel passenger vehicle). OBJECTIVES:  The rear wheels are driven by PM brushed-type motor Assume the efficiency points of the motor controller and motor Make an excel sheet of all input and assumed data Results: For any three standard driving cycles…

1.   Proton Exchange Membrane Solid Oxide Fuel Cell Alkaline Fuel Cell Direct Methanol Fuel Cell Advantages 1. Solid electrolyte reduces corrosion and electrolyte management problems. 2. Low temperature 3. Quick start-up and load following  1. High efficiency 2. Fuel flexibility 3. Solid electrolyte 4. Suitable…

AIM: Create a MATLAB model of an electric car which uses a lithium-ion battery and a suitable motor. OBJECTIVES: System level configurations Model parameters Results Conclusion THEORY: About BEV Electric Vehicles, also referred to as Battery Electric Vehicles (BEVs), have an electric motor instead of an internal combustion…

AIM: To create a MATLAB model of an electric car which uses a battery and a DC motor. Choose suitable blocks from the Powertrain block set. OBJECTIVES: System level configurations Model parameters Results Conclusions THEORY: About BEV Electric Vehicles, also referred to as Battery Electric Vehicles (BEVs), have an…

Part A: 1.  Aircraft Gross Weight:  The aircraft's gross weight is the total aircraft weight at any moment during the flight or ground operation. An aircraft's gross weight will decrease during a flight due to fuel & oil consumption. An aircraft's gross weight may also vary during a flight due to payload dropping or in-flight…

1. Braking is defined as slowing or stopping a vehicle, wheel, shaft, etc., or keeping it stationary, esp by friction. There are three types of braking: Mechanical, engine, and electrical. Mechanical braking transforms the kinetic energy of thermal energy.  Engine braking is slowing down a vehicle without using…

1.  A.  When used for power-switching applications, the Bipolar Junction Transistor (BJT) operates as an IGBT. When it is conducting (BJT operating in the saturated region), a forward voltage Vf is developed between the collector and emitter (in the range of 1 V). Therefore, the IGBT block can be used to model…

1. There are 3 types of power converter circuits used in EVs and HEVs: a. DC-DC converter It converts fixed DC input to a regulated DC output. It consists of three types: isolated, non-isolated, and resonant converters. Non-isolated converters consist of Buck, Boost, and Buck-boost converters. Isolated converters consist…

1. Difference between mapped model and dynamic model: Mapped Model Mapped models are used when a particular model's behaviour is not of interest and can be modelled with predefined values in the form of lookup tables. Eg.: Mapped motor The Mapped Motor block implements a mapped motor and drives electronics operating…

1.  Procedure for simulating the vehicle in ADVISOR: Open the ADVISOR tool and click on the Metric option (the distance is measured in km in India). Then, click START to open the vehicle input in ADVISOR Simulator.  Search for the 'EV_defaults_in' file from the Load File and click the file to open. …

AIM: To calculate the voltage, current, and SOC of a 10-cell series lithium-ion battery pack model and observe the thermal effect and life cycle performance of cells. Objectives: Simulate the model and observe the thermal effect at various temperatures and charge-discharge rates. Similarly, observe the life cycle performance…

AIM:  To calculate the capacity of the battery pack required and the number of series-parallel connections. The motor ratings for a vehicle with a gross weight of 300 kg are 1200Wh, and 65V. The range is 225km and the maximum speed is 60kmph. To give a stepwise discussion on how a battery pack is built.…

AIM: To design and simulate Buck converter for Auxiliary load in EV. Given:  Let us assume that the switching frequency is 50kHz, i.e., f = 50kHz. Input voltage, Vdc = 48 VOutput voltage, Vo = 12 VLoad current, iL = 10 A Vo = D * Vdc     12 = D * 48 , D = 12/48 = 1/4 = 0.25 Duty Cycle, D = 0.25…

AIM: Design and Develop a Simulink model to understand the Energy analysis of EVs on different driving cycles. Driving Cycle: A driving cycle is a series of data points representing the speed of a vehicle versus time. It isused to assess fuel consumption and pollutants emissions of a vehicle in a normalized way, so that…

Objective: To model a fan-type load in Simulink and control its speed by using the PWM method. Abstract: This model shows how to use the Controlled PWM Voltage and H-Bridge blocks to control a fan load using a DC motor. The DC Motor block uses manufacturer datasheet parameters, which specify the motor as delivering…