Q. 1. Make a Simulink model of Doorbell using solenoid block with the following details: Ans: Simulink Model: This model required a pulse signal for ringing the bell for 2 sec. So I created pulse signal with the help of ‘Pulse Generator’ block and its parameters are Amplitude: 1, Period: 4sec., …

Q. 1. Implement control logic of a “washing machine” using Stateflow as per given sequence Ans: Model: In this model I used two constant blocks for power and water supply, a chart block for washing machine control logic,display and lamp for indicating which process is running.  Below figure shows inside…

Aim: A case study of system-level simulation of a BAJA all-terrain vehicle. Objectives: To Prepare a technical report explaining the model properties & comments on the results. All Terrain Vehicle:(ATV)                            Figure 2: ATV …

Q. 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. Ans. Car Model:      CYC_FTP Drive Cycle:   For simplicity, I compare our requirement model with the 0Kg cargo mass model. Case…

Q. 1. What is the difference between mapped and dynamic model of engine, motor and generator? How can you change model type? Ans. Mapped Model: In the mapped model created by using a lookup table and given datasheet by the manufacturer.  If we take an example of a mapped motor model, it's created with the help of…

Q. 1. Which types of power converter circuits are employed in electric and hybrid electric vehicle? Ans. Normally there are 4 types of converter based on change in power source voltage level.   AC to DC Converter (Rectifier) DC to AC Converter (Inverter) DC to DC Converter (Chopper) AC to AC Converter (Regulator) …

Q. 1. A. Explain a MATLAB demo model named ‘Speed control of a DC motor using BJT H-bridge’. Ans. Model:                                           Figure 1: Speed Control of a DC Motor This model used four…

Q. 1. For a defined driving cycle, calculate the energy required for braking. Ans. Driving Cycle: Above figure shows the Drive Cycle FTP75 plot which I used for calculating the energy required for braking. This drive cycle's total time is 2474 sec and the speed count in m/sec.   Calculation: Let's assume the total…

Powertrain for aircraft in runways Q. 1. Search and list out the total weight of various types of aircrafts. Ans. Types of Aircrafts: (Based on weight of aircraft)   1. Lighter than air (Aerostat): 1.1. Airship:   An airship or dirigible balloon is a type of aerostat or lighter-than-air aircraft that can…

Aim: Create a MATLAB model of an electric car which uses a battery and a DC motor.   Objective: System level configuration. Model parameters. Results. Conclusion.   Electric Car: All-electric vehicles (EVs), also referred to as battery electric vehicles, have an electric motor instead of an internal combustion…

Aim: Create a detailed MATLAB simulink model of an electric rickshaw.    Objective: Run the model for standard driving cycles and determine the energy consumption, temperature rise in motor and controller. Run the model e-Rickshaw at 45 Kmph for 100 Km and determine the energy consumption, temperature rise in …

Aim: Create a MATLAB model of electric car with lithium ion battery and suitable motor.   Objective: Run the electric car model and determine the energy consumption, observe the vehicle performance. System convert non-linearization to linearization on transfer function based (PID tuner app). Change the PI controller…

Q. 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. Ans: Lithium-iron Batteries: Lithium Cobalt Oxide (LCO): LiCoO2 Its high specific energy makes Li-cobalt the popular…

Q. 1. Simulate the 3 test cases from harness dashboard and write a detailed report on the results. Ans.  Design and Test Lithium Ion Battery Management Algorithms: Model: The above figure shows the BMS_ClosedLoop_Harness_Dashboard for design and test lithium ion battery management algorithms. This model consists of charge…

Aim: Prepare a detailed battery pack drawing along with its enclosure.   Objective: Create a battery pack of 18 KWh capacity by using ANR26650M1-B cells. Understand the mechanical step of building a battery pack.   Theory: Battery Pack: A battery pack is a set of any number of (preferably) identical individual cells. They…

Aim: Create 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 temperature and charge-discharge rates. Similarly observe the life cycle performance at various temperature and…

Aim: Create simulink Model for the Vehicle Direction Detection as per the requirement.    Objectives: Development of MATLAB Simulink model as per requirement. Tag the requirements to the simulink model; tagging requirement 1 & requirement 2 to their corresponding subsystems is fine. Make changes in model…

Aim: Build Model for Adaptive Cruise Control Algorithm by using the given requirement.    Objectives: Developing Adaptive Cruise Control feature as per the Requirement Document using MATLAB Simulink. Follow all the MBD related processes: Requirement Tagging & Traceability, SLDD creation, Configuration Parameter…

Aim: Create a model for Traffic Jam Assistance and it will displayed to the driver in the Instrument Panel Cluster (IPC).   Objectives: This model must be developed in MATLAB Simulink as per MBD guidelines. Code Generation Profile must be in Embedded Coder. Simulink Data Dictionary must be created for the model &…

Aim: Create Simulink model for Highway Assistance (Lane Changing Assistance).   Objectives: This model must be developed in MATLAB Simulink per MBD guidelines. Code Generation Profile must be Autosar Coder. Simulink Data Dictionary must be created for the model & must be linked to the model. All the input &…