Week 8 Multi cell Battery Pack

AIM To create a MATLAB model of electric rickshaw which uses a Li-Ion battery and a PM brushed type motor. OBJECTIVE To model an electric rickshaw in MATLAB and for any three standard driving cycles show energy consumption, temperature rise of motor and controller for 100 km constant speed driving at 45 kmph. DESIGN SPECIFICATIONS…

AIM To create a MATLAB model of electric car which uses a battery and a DC motor using Power train block set. OBJECTIVE To model an electric car in MATLAB using Power train block set and prepare a report including following: System level configurations Model parameters Results Conclusion DESIGN CALCULATIONS To model the…

Search and list out the total weight of various types of aircrafts.  Solution The different terms represent different weights or masses. For each flight, the weights are taken into account for several reasons. Some of the common weight terms are given below. Basic Empty Weight (BEW)is the weight of the aircraft "as…

1. For a defined driving cycle, calculate the energy required for braking. Solution The Simulink model to calculate braking energy is shown below. The drive cycle US06 is given as input. It is converted from kmph to mps using a gain block and given as input to the vehicle model subsystem. Figure 1: Simulink model to calculate…

Run MATLAB demo ‘Speed control of a DC motor using BJT H-bridge’. Modify the model such that armature current doesn’t shoot up when motor changes direction from forward to reverse.  Solution The MATLAB demo model of ‘Speed control of a DC motor using BJT H-bridge’ is as shown below. Figure…

1.Which types of power converter circuits are employed in electric and hybrid electric vehicle?    An Electric Vehicle is a vehicle that uses a combination of different energy sources, Fuel Cells (FCs), Batteries and Supercapacitors (SCs) to power an electric drive system as shown in Figure 1. Figure…

What is the difference between mapped and dynamic model of engine, motor and generator? How can you change model type?  Solution Mapped model Mapped model is based on look up tables and not actual components. It is a steady state model and simulation takes less time due to simplicity. Dynamic model Dynamic model is…

 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.  AIM To understand ADVISOR tool and Simulate EV default vehicle with cargo mass 500kg during a 45km run with FTP cycle. Change the battery capacity…

BAJA All-Terrain Vehicle (ATV) Model Simulation in MATLAB AIM To do a system-level simulation of an all-terrain vehicle and understand the Modelling Techniques. OBJECTIVE To understand the modeling of ATV with Continuously Variable Transmission and do the system level simulation. SIMULINK MODELLING ATV An all-terrain…

BATTERY PACK MODELING WITH TEMPERATURE AND LIFE CYCLE EFFECTS 1.AIM To simulate the thermal effects and compare life cycle performance at various temperatures, charge & discharge rates for a 10 cell series lithium ion battery model, using MATLAB. 2.Objective To analyze temperature and life cycle parameters of the 10…

AIM To Prepare a detailed battery pack drawing along with its enclosure using ANR26650M1-B cylindrical cells of pack capacity 18 kWh Objective To create a battery pack using ANR26650M1-B cylidrical cells by calculating number of cells, battery voltage and capacity. The complete battery pack installation including…

Electric vehicles use large batteries to store energy. The energy flowing into the battery pack as it is charged either from regenerative braking or from the grid and discharged from the pack to power the vehicle and its accessories is measured by electrical current and voltage. The flow of current causes heating in the…

How weakest cell limits the usable capacity of the battery pack? What is the solution? What is cell imbalance? Common multiple cell configurations for Li-Ion cells in battery packs consist of three or four cells in series, with one or more cells in parallel. This combination gives both the voltage and power necessary for…

What is coulomb counting? How BMS implements coulomb counting for SOC estimation? State of Charge Estimation Problem One of key component of battery management system is accurate state of charge (SOC) estimation because SOC reflect battery performance. Due to battery is storage of chemical energy and this chemical energy…

MATLAB model of fuel cell powered electric vehicle Figure 1: MATLAB model for a fuel cell powered Electric Vehicle The MATLAB model for fuel cell powered electric vehicle is as shown in figure1. This model consists of the following blocks. UDDS drive cycle Flow rate regulator Fuel cell stack UDDS drive cycle The input…

Simulation of Generic Battery model using UDDS data Batteries in electric vehicles discharge during acceleration while maintaining vehicular speed. They are recharged during braking. Driving cycles can therefore reflect significant variations in battery discharging and charging events such that observation of ampere-level…

Lithium-ion batteries are commonly used for portable electronics and electric vehicles and are growing in popularity for military and aerospace applications. There are different materials used for cathode and anode in Li-Ion battery. Most Li-ion batteries use a negative electrode principally…

Basic vehicle model development using MATLAB and Simulink 1.AIM To create a complete Hybrid Electric Vehicle model including Driver , Electric Power Train and Vehicle model. Analyse the performance of the vehicle for a US06 drive cycle and plot the Actual velocity and Power distribution curves. Also analyse the performace…

AIM To create the simulink model of fuel cell, Li-Ion battery, Energy management block and plot the distribution of power among these sources. Objective To create the following plots against time. Fuel cell power Battery power Fuel cell operating state (running , stand by) The distribution of power among these sources…