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 LED Soaking time should be 200s followed by Washing…

Aim: To perform the simulation of BAJA All-Terrain vehicle model and observe the vehicle speed and CVT shaft speed output graph by               changing break and throttle inputs.   Description:  Figure below shows the BAJA All-Terrain vehicle model with continuously variable…

Q1. What is the difference between mapped and dynamic model of engine, motor and generator? How can you change model type? Ans.   The difference between the mapped and dynamic model of the engine is as follows Type Implementation When to use Mapped CiMappedEngine SiMappedEngine The model uses a set of steady-state…

Q1. Run MATLAB demo ‘Speed control of a DC motor using BJT H-bridge’. Modify the model such that the armature current doesn’t shoot up when the motor changes direction from forward to reverse.  Ans.   The Bipolar Junction Transistor (BJT) when used for power switching applications, operates…

Q1. For a defined driving cycle, calculate the energy required for braking. Ans.    The braking performance is one of the most important concerns in vehicle safety. In urban area driving, a significant amount of energy is consumed in braking. Electrification of vehicles makes it feasible to recover some…

Q1. Search and list out the total weight of various types of aircraft.  Ans.    ​The list of the total weight of various types of aircraft are as follows Type MTOW [kg] MLW [tonnes] TOR [m] LR [m] Antonov An-225 640,000 591.7 3500   Scaled Composites Model 351 Stratolaunch 589,670   3660  …

Aim: To create a MATLAB model of an Electric Vehicle using a Battery, DC motor, and various Powertrain block sets.   Procedure:    What is a Powertrain?   The mechanism that transmits the drive from the engine of a vehicle to its axle. If the chassis is the skeleton, the powertrain is the musculature…

Aim: To create a MATLAB model of an Electric Rickshaw using a Lithium-ion Battery, Permanent Magnet Brushed type DC motor, a motor Controller, and various Powertrain block sets.   Procedure:   What is a Powertrain?   The mechanism that transmits the drive from the engine of a vehicle to its axle. If…

Simulate generic battery model charge-discharge using UDDS data.     Objective: 1. To model the battery                  2. To analyze the charge-discharge characteristics for a UDDS drive cycle   Procedure:  A driving cycle is a series of data points…

Make a MATLAB model of fuel cell-powered electric vehicle and comment on results   What is a Fuel Cell? A fuel cell is an electrochemical cell that converts the chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) into electricity through a pair…

Aim: To calculate detailed battery pack parameters and dimensions using the cell model ANR26650M1-B Nanophosphate high power Lithium-ion cell.   Procedure:    The high-performance Nanophosphate lithium iron phosphate (LiFePO4) battery technology delivers high power and energy density combined with…

Aim: To model and simulate 10 cells in a series lithium-ion battery pack, analyze the thermal effects and compare its life cycle performance at various temperatures, charge & discharge rates using MATLAB.   Theory Lithium-ion battery A lithium-ion battery or Li-ion battery is a type of rechargeable…

Aim: To design and simulate a closed-loop Boost converter in continuous conduction mode using Simulink.   Procedure:  1- Given that: Varying source voltage = 200-300 V Therefore, average source voltage (`V_i`) = (200+300)/2 = 250 V Output load voltage (`V_o`) = 400 V Power level (P) = 4 kW   Calculations:…

Aim: To design an interleaving DC/DC converter system for a data center application.   Procedure:   Design specifications: Input Voltage (`V_i`) = 60 V Output Voltage (`V_o`) = 3 V Output Current (`I_o`) = 100 A Efficiency > 85%   Calculations: Choosing an interleaved forward converter for the given…

Aim: To create a Simulink Data Dictionary file and a Simulink model for Vehicle Direction Detection.   Overview: Identifying the direction of the vehicle is one of the important & diverse features in Autonomous driving & Advanced Driver Assistance Features. This particular sub-feature of identifying the…

Aim: To design and simulate a buck converter with a voltage-control analog feedback circuit and obtain the required waveforms.   Procedure:   Given that: Input Voltage (`V_i`) = 50 V Duty ratio (D) = 0.4 or 40% Switching Inductor (L) = 3 mH Output Capacitor (C) = `100 muF` Switching Frequency (`F_s`)…

Aim: To design and simulate a single-phase full-wave bridge rectifier and achieve a unity power factor at different load ranges using a boost converter in Simulink.   Procedure: A- Given that: The peak amplitude of the AC voltage source (`V_m`) = 170 V Load Resistance (R) = `10 Omega`   Calculations:…

Aim: To create a Simulink Data Dictionary, develop an algorithm for Adaptive Cruise Control and generate a C code for it using Simulink.   Objective:  1. Developing Adaptive Cruise Control feature as per the Requirement Document using MATLAB Simulink. 2. Follow all the MBD-related processes: Requirement…

Aim: To create a Simulink Data Dictionary, develop an algorithm for one of the features of Traffic Jam Assistance and generate a C code for it using Simulink.   Objective: Model Development as per MBD guidelines. Creation of Simulink Data Dictionary. Code Generation using Embedded Coder. Generating Model Advisor…

Aim: To develop an algorithm for one of the features of the Highway Lane Changing Assistance, create a Simulink Data Dictionary for the given signals data list, develop a Model Advisor Report and generate a C code for it using Autosar coder in Simulink.   Objective: Model Development in MATLAB Simulink as…