Week 7 Challenge

Project Title: Vehicle Direction Determination Aim To create a Simulink model of Vehicle Direction Detection as per the Requirement data. General 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…

Boost Converter (CCM): Vi=20-30V V0=40V Vo/Vi=1/1-D Range of Duty Cycle if Vi is 20  40/20=2 1-D=0.5 D=0.5 If Vi=30 Vo/vi=4/3 1-D=1.33 D=0.33 Calculation of Load Resistor: As per given data P=600W V0=40V R=Vo^2/P R=1600/600 R=2.66 ohm Calcultion of Inductance: Assume fs=100khz current ripple is 20% Inductor current…

Consider the following operating points of a fuel cell during a short period of operation. 15 W/cm2 3 W/cm2 27 W/cm2 Where would these points go in the diagram below? The power at some points are as follows P1=1V*0A/cm2 =0w/cm2 P2=0.75*0.3= 0.225 w/cm2 P3= 0.6*0.75 =0.45 w/cm2 P4=0.25*1.15 =0.2875 from the above points…

The vehicle parameters for modeling in MATLAB/Simulink is as follows fr = coefficient of rolling resistance =0.015g = gravitational acceleration=9.81M = vehicle mass=1910.2kgQ = air density=1.29Cx = aerodynamic drag coefficient=0.4170A = frontal surface area of the vehicle=2.86 The simulation is divided into four sections…

Consider a scenario where an aggressive driver is accelerating very rapidly and braking harshly in a city driving. Is battery better a choice to supply power than UC in this scenario? True False Why? False If the driver is accelerating very rapidly and braking harshly, the current draw by the motor to achieve these conditions…

Compare Four different tyoes of Fuel cells andstate their applications FUEL CELL TYPE COMMON ELECTROLYTE OPERATING TEMPERATURE TYPICAL STACK SIZE ELECTRICAL EFFICIENCY (LHV) APPLICATIONS Advantages CHALLENGES Polymer electrolyte membrane (PEM) Perfluorosulfonic acid <120°C <1 kW–100 kW 60% direct H2; a40%…

Question 1:What were the first models of fuel cell vehicles developed in Asia, Europe and North America? What were the specifications of these vehicles? Compare them to the specifications of the current model. Fuel cell vehicle: Fuel cell vehicle also called Fuel cell electric vehicle working with fuel cell technology…

Aim: To model the Electric Rickshaw (ERsh)  using Matlab Simulik To estimate the SoC using Amper hour Method To Calculate the distance travelled by the Cat in specific time.  Fundamentals of ERSh:   Elecric Rickshaw   Block diagram of ERsh COmponents used in Matlab Simulink model: 1. Drive cycle 2.…

Aim: To model the Electric Rickshaw (ERsh)  using Matlab Simulik To estimate the SoC using Amper hour Method To Calculate the distance travelled by the Cat in specific time.  Fundamentals of ERSh: Elecric Rickshaw Block diagram of ERsh COmponents used in Matlab Simulink model: 1. Drive cycle 2. Longitudinal Driver 3. Constant…

Aim: To simulate 10 cell series Li-ion battery model thermal effects and compare life cycle performance at various temperatures,                   charge & discharge rates The Lithium-ion batteries are widely used as energy sources in different hybrid and electric vehicle,…

The general terminology for battery unit hierarchy used in this document are as follows:  Cell - The Simplest and Smallest Battery Unit, No Control Or Monitoring  Module - A Collection of Cells Contained Within Factory Packaging and Including A Voltage and Temperature Measurement Board  Battery Pack - A Complete…

Battery Thermal Management Systems (BTMS): the battery pack for safety, performance (bothpower and capacity) and lifespan reasons should be stored in a controlled surrounding where the temperature is controlled and there is no risk of thermal runaway. According to a foundational research (Pesaran, 2001), the…

Need of Cell battery Pack: Single cell, cannot provide the required tractive force effort to the EV so the combination of the cells need to be connect to series and parallel for voltage and current boosting respectively. Weakest Cell: Fig: Assumtion of that all cells are connected in series. During Charging the weakest…

State of Charge: The level of un used charge in electric battery is called State of Charge  (SoC). There is no sensors to measure the SoC directly from the battery like voltage current, force, pressure etc. Methods of SoC estimation: chemical voltage current integration Kalman filtering pressure Current Integration method…

Aim: To simulate the Fuel cell powered Electric vehicle using Matlab Simulink Working Principle of Fuel Cell: The fuel is oxidized on the anode and oxidant reduced on the cathde. One specied of ions are transported from one elctrode to the other through the electrolyte to combine there with their counterparts, while electrons…

In matlab there are two battery models for simulating the battery behaviour. The models are shown below.   Generic Battery Model: In generic model, two input parameters, one output parameter ""m" measurement  port, which has voltage, SOC and Current of the generic battery. The aim of the challenge is simulate…

The comparative analysis of all battery materials are shown below LCO-Lithium cobalt Oxide LMO-Lithium Manganese Oxide LFP- Lithium Iron Phospate NMC- Nickel Managese Cobalt NCA-Nickel CObalt Aluminium LTO-Lithium Titanium Oxide  

Search and list out the total weight of various types of aircrafts. Type MTOW [kg] MLW [tonnes] TOR [m] LR [m] ICAO category FAA category Antonov An-225 640,000 591.7 3500   Heavy Super Scaled Composites Model 351 Stratolaunch 589,670   3660   Heavy Super Airbus A380-800[1][2][3] 575,000 394 3100 1930 Super…

1. The braking energy is calculated at redardation. The retardation is occured ar Ato B, C to D, E to F and G to H. The speeds at these points are metioned in the figure. Assume M=1000kg Eab=0.5*M*(v2-v1)^2*(t2-t1)      = 0.5*1000*(15)^2*(5)      =562kJ Ecd=1936kJ Eef=607.5kJ Egh=2950.5kJ…

Agenda: To modify the armature current of DC motor for Demo example "Speed control of a DC motor using BJT H-bridge’" To analyse the fourth quadrant Dc chopper block with H bridge block To utilize the Fourth quadrant DC chopper block for EV applications     The default setting for the pulse generator is…

Agenda: To explain various types of power electronics converters used in Electric vehicles. To calculate the speed of EV at steady state. To explain the authors perspective on the differnece between indictionmotor verses Brushless DC motor. Explanation: 1. Types of power converters used in EVs Typically, various types…

Agenda: The challenge explains the use of powertrain blockset for analysing the Hybrid and EV. The quieries set starts with difference between mapped and dynamic models of engine, motor and generator. The HEV is anlysed using miles/gallon, grade and wind velocity and compared with pure EVs. Now start with the first challenge…

The cargo mass is changed to 500 kgs.  With two drive cycles The EV runs 35.5 kms. The SoC is reached to 20%. so for utilising the battery, the extra drive cycle need to add  By observing the soc curve, it is concluded that the EV traveeled only 41.4 km. The SoC at 41.4 km is at 0%. 2. The capacity of battery…

AIM: The aim of the project is to verify the change of velocity and rpm of the engine with changes in throttle input. Used blocks: The following blocks are used to validate the BAJA ATV with change of throttle input  1. Generic engine 2. Engine Sensor 3. CVT  4. gear 5. Vehicle body  Fig1. CVT with predefined…

Challenge 1 - The challenge is designed by selecting solenoid from electromnagnetic sensor which connected to battery through controlled switch. The electromagnetic sensor is read by translational motion sensor. The position port is connected to the scope to show whether it is moving. if the controlled switch is high,…

1. The simulation diagram is shown as follows Inputs to the chart Electric supply status (ESS) Time duration (T) Water supply status (W) Output Status of the machine. LED The ESS is verified with one at outside of the chart. So that the output of the logic is multiplied with time duration. The Time duration and W is given…