Design of battery pack

AIM: To develop Adaptive Cruise Control feature as per given requirement.   An SLDD file is first developed so we can tag them in the model during builidng. Based on given requirements, SLDD is developed as For requirement 1, we have to add CameraInput and RadarInput signals from LeadVehicle which is developed as…

AIM: To develop a model which simulates vehicle direction.   In developing a simulink file, first step is to create SLDD file with given parameters. The developed SLDD file is For the given requirement 1, simulink model is developed as If Steering wheel is straight, we get turn status as 0 If Steering wheel is left,…

AIM: Build a complete FC (Fuel Cell) vehicle system model with supercapacitors and secondary battery storage. The power distribution between the three energy sources is also compared by EMS (Energy Management Strategy). Find vehicle H2 consumption, fuel cell current, voltage and SOC of battery, supercapacitor. Simulink…

AIM: 1. To design a battery pack for a car roughly 150 Kw with 120 V. Use 3500 mAh 3.6V nominal NMC chemistry cell.        a. Design the battery pack configuration.         b. Draw the BMS topology for this battery pack. 2.To Build a 3S2P battery pack configuration with generic…

Project goal: To model an electric vehicle with a lithium-ion battery using different drive sources as a speed reference. Objectives: Create a simple Matlab model of an electric vehicle that shows all its main components as subsystems from the electric motor to the vehicle dynamics. Analyze and estimate SOC, vehicle speed,…

AIM: To create a MATLAB model of electric car which uses a battery and a DC motor.  Theory: A vehicle that substitutes an electric motor or traction motor for the internal combustion engine found in traditional automobiles is referred to as an electric vehicle (EV). Unlike traditional automobiles, electric vehicles…

Objective: To 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  Since 2008, electric rickshaws (also…

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

AIM: To design and simulate Buck converter for an auxiliary load in EV Given data: Vin=48 V Vout= 12 V iL = 10 A Calculations: Load resistor, R = Vout / iL = 12/10 = 1.2 ohm Duty ratio, D = Vout / Vin = 12 / 48 = 0.25 = 25 % Minimum Inductance Lmin = [(1-D)*R] / (2*f) Lmin = [(1.025)*1.2] / (2*40000)  = 11.25 micro…

AIM: To calculate the capacity of the battery pack required and the number of series-parallel connections.   Requirements: Vehicle gross weight is 300 kg, the motor ratings are 1200Wh, 65V. The range is 225km and the maximum speed is 60kmph.   Given Data   Vehicle Weight=300kg Motor Rating=1200wh.65V Range=225Km…

AIM: To design and develop a PWM controlled fan load with DC motor Let's first examine PWM technology and fan-type loads. PWM Technique for DC Motor Control Using "Pulse Width Modulation," often known as PWM, it is possible to alter the voltage across a motor's terminals, which is a straightforward and straightforward…

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,…

The EMS is modelled in Simulink as The positive power block is modelled as shown below The power is delivered based on input power requirement. If power lies withing FC operating area, it gets operated. If power is less than minimum value of FC, either battery or UC gets operated based on SOC. If power is greater than…

Given logic is It is implemented in simulink environment as shown below Input power signal is given as shown below. It tests all the conditions for the given system. The upper limit of FC is taken as 55 kW and lower limit is taken as 22 kW Design logic explanation: We need FC to operate when power is greater than 22000…

Ultracapacitor is implemented in SImulink environment as shown below A UDDS drive cycle is given as power input to ultracapacitor. UC is modelled using basic equations as shown below The variables are initialized using initfunction Three main blocks are highlighted which calculates current, voltage and SOC. Simulation…

Model is implemented in Simulink as shown below. It contains two main blocks, Driver and Vehicle model. The simulation time is 598 seconds.  The parameters for the block are initialized using init function. An EUDC drive cycle is given as desired velocity. The driver block is modelled as shown below A PID controller…

1) Incorrect, batteries are not a better choice in the given driving scenario to explain whether batteries are a better power source choice than supercapacitors for aggressive drivers who accelerate and brake rapidly. An aggressive driver accelerates quickly and brakes hard To meet this condition, instantaneous high power…

Q1) Four types of fuel cells are Polymer Electrolyte Membrane Fuel cells. Alkaline Fuel cells. Solid Oxide Fuel cells. Direct Methanol fuel cells. Q2) Thus, we can conclude from the graph that lithium ion, lead acid, and nickel cadmium batteries have low power density and moderate energy density. The power density and…

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 -1.0304 00:00.9…

1) The weight of the aircraft must be determined by the pilot for each flight to guarantee that the aircraft stays within the manufacturer's weight limits. These restrictions are in place to ensure that the aircraft can perform and recover from all flight manoeuvres, as well as endure structural loading. Weights of Common…

1) The weight of the aircraft must be determined by the pilot for each flight to guarantee that the aircraft stays within the manufacturer's weight limits. These restrictions are in place to ensure that the aircraft can perform and recover from all flight manoeuvres, as well as endure structural loading. Weights of Common…

1) Here, we used UDDS cycle for which energy required for braking is calculated. The formula for Braking Energy is Braking energy is calculated in excel as shown below. Total energy required for braking is 168.675 KJ. 2) Take a look at the torque speed characteristics of typical AC induction motor This curve has two regions:…

1) A) An electrical circuit known as an H-bridge changes the polarity of a voltage applied to a load. These circuits enable DC motors to move forward or backward in robotics and other applications. The standard graphical representation of this type of circuit is where the term "H-bridge" originates. Four switches are used…

1)  The power electronic converters are thought of as the key components of Electric and Hybrid Electric Vehicles (EV/HEV) that interface their power sources to the drivetrain of the EVs. Advanced DC/DC and DC/AC converters are needed to adapt the output voltage and current levels with excellent power quality in order…

1) Powertrain Blockset offers both mapping and dynamic engine models. Mapping engines use a series of lookup tables to depict macro engine behaviour as a function of programmed load and measured engine speed. These lookup tables include braking torque, fuel flow, air mass flow, exhaust temperature, efficiency, and emissions.…

1) First we have to set advisor tool in metric units before running simulation so as to get distance in km. Consider the EV_defaults_in file with cargo mass of 500 kg as shown below An FTP drive cycle has been selected as shown below. The no.of cycles has been set to 3 as we want to simulate for atleast 45km. Now observe…

Fig below shows the developed simulink model The vehicle subsystem is modelled for ebike as shown below System for analysing energy during each cycle is shown below Here, a motor with an oprating voltage of 300V is choosen as driving source. The motor is fed by a pwm controlled H-bridge converter. The command signal for…

Fig below shows simulink block diagram of the required setup. The configuration of battery I used is shown below Connected 10 such cells in series and created a subsystem from it with name battery pack. Connected a current source with this battery pack to simulate charging and discharging effects. The command signal that…