Week 6 Session 13

1) Compare the different motors used in EV and list down the advantages and disadvantages of each. Various types of Electric Motors used in Electric Vehicles DC Series Motor Brushless DC Motor Permanent Magnet Synchronous Motor (PMSM) Three Phase AC Induction Motors Switched Reluctance Motors (SRM) Brushed DC Motor Advantage…

1) Compare the different architectures of HEV. Discuss the pro's and con's   Pros and cons of hybrid cars  Some of the benefits of a hybrid car include: They are environmentally-friendly You save money They’re quiet They often require less maintenance Some of the drawbacks of a hybrid car include: Higher…

1) For any 3 electric vehicles compare the battery pack and charging system requirements.    Name Battery pack capacity Charging system Tata Nexon EV   40.5kWh unit  3.3kWh portable charger Hyundai Kona 39.2 kWh battery (Li – Ion polymer) 7.2 kW on-board charger for Type 2 AC charging, in…

1) Cloud-based BMS    The BMS monitors the Soh (State of Health), SoC (State of Charge), voltage, current, and temperature of the battery. It plays a vital role during the charging and discharging phase of the battery by maintaining a stable temperature. During cases where the temperature of the battery…

The types of converters used in EV are:                                                                                  AC…

SOLUTION) : Fuel cell electric vehicle model set-up: This model set-up consists of, Driver model Electric powertrain model Vehicle model Driver block: The PID controller is used to obtain the driver model. Two inputs is given as desired velocity and actual velocity. Two output is taken as accelerator and brake. The formula…

SOLUTION: Aim : To Complete the energy management strategy model with battery UC and fuel cell for the positive power and distribute the power demand among these components. and  Set simulation stop time to 598 sec.The output of the model should be the power request from UC, fuel cell and battery.    …

SOLUTION: Aim:To model the energy storage device as ultracapacitor and analyse its operating characteristics according to the power demand by running the model for 598 sec. Model:   Procedure: Signal builder block is used as a power demand source. In the Ultracapacitor subsystem ,current and voltage calculation subsystem…

SOLUTION : We can from above image shows the force acting on a vehicle here are,  Ftr = Tactive Force  Fa = Aerodymanic drag resistant force  Fg= Gradient Resistance force  Fr = Rolling resistance force. Here the Tractive force is the force applied produced by the vehicle powertrain we will now see…

SOLUTION: As shown in the above flowchart, there are two power sources mention as Fuel Cell (FC) and Battery. The logic which is been told to develop in this is that if the Power demand from the vehicle is less than the minimum FC power than the FC must go on standby and the power should be supplied from the battery storage…

SOLUTION 1) Solution: "FALSE" Battery is not a better choice in the given driving scenario.   Battery: A battery converts chemical energy to electrical energy and it is reversible in chemical reactions. They have low power density less life and the battery charge/ Discharge process is relatively slower. Ultra-Capacitor:…

Ans1).Compare four different types of fuel cells and state their applications.   Fuel cell type Advantages Applications Proton Exchange Membrane(PEM) . Solid electrolyte reduces corrosion and electrolyte management problems            . Low temperature                    …

SOLUTION) The max heat generation of the battery  There are 2 heat sources for the battery heat generation Joules heat  Entropy heat Heat generated = Joules Heat + Entropy Heat Joules Heat : From ohms law, we know that  V = IR when a current flowing through a resistance, there is a heat dissipated in the…

SOLUTION : Batteries achieve the desired operating voltage by connecting several cells in series; each cell adds its voltage potential to derive at the total terminal voltage. Parallel connection attains higher capacity by adding up the total ampere-hour (Ah). Some packs may consist of a combination of series and parallel…

AIM :  Design of an Electric Rickshaw using MATLAB Simulink.   ABSTRACT : In this project, we going to build the MATLAB model of the ELECTRIC RICKHAEW by using a PM brushed type DC motor and a suitable Lithium-Ion battery for the motor.    OBJECTIVES : Create a detailed MATLAB model of an electric rickshaw…

AIM: To Create a MATLAB model of electric car which uses lithium-ion battery and suitable motor. Choose suitable blocks from Simscape or Powertrain block set. Implement the vehicle speed control using PI controller and generate brake and accelerator commands. Avoid using readymade driver block for speed control.  …

SOLUTION 1) Mapped and Dynamic subsystem of Electric Motor/Generator     Mapped Model:  The mapped model is one type where the data points are pre_assigned in lookup tables.  The engine or motor torque required is sensed and the motor or engine block generates the requiered torque output just as required…

SOLUTION: . Electric vehicle (EV) is defined as a vehicle that uses an electric motor or a traction motor for propulsion unlikely to an internal combustion (IC) engine used by conventional vehicles. . Electric vehicles use electric power instead of  fuels as conventional vehicles would and because of this difference,…

SOLUTION 1) Type MTOW [kg] MLW [tons] Antonov An-225 640,000 591.7 Scaled Composites Model 351 Stratolaunch 589,670   Airbus A380-800[1][2] 575,000 394 Boeing 747-8F 447,700 346.091 Boeing 747-8 443,613 306.175 Boeing 747-400ER 412,770 295.742 Antonov An-124-100M 405,060 330 Boeing 747-400 396,900 295.742 Lockheed…

SOLUTION 1): . The function of the braking system is to retard the speed of the moving vehicle or bring it to rest in the shortest possible distance whenever required. . Brakes are mechanical devices for increasing the frictional resistance that retards the turning motion of the vehicle wheels. It absorbs either kinetic…

1) SOLUTION : The below fig. shows the model for speed control of DC motor using BJT  . From the above circuit, The input voltage is generated from the pulse generator, in this, the amount of  source and duty cycle is assigned in the generator. . The switch is connected to this pulse generator through the…

1) SOLUTION: AC – DC Converter: AC to DC converters are most commonly used in Plug-in Hybrid Electric Vehicles (PHEV) & Plug-in Electric Vehicles (PEV). These vehicles get their propulsion power from an external electricity source (charging stations) which is alternating current. The battery needs to be charged…

SOLUTION: 1) For given EV_defaults_in file, the cargo mass is 500kg, the total mass is 1508kg for Ev vehicle,  the vehicle travels only 17.77 km. this shows the vehicle cannot travel for 45 km with CYC_FTP  at total mass 500 kg.           SOLUTION 2) By changing the battery capacity to…

SOLUTION: The below fig shows the DC Motor model using PID controller . The reference voltage is given as input is connected  to the postive and back EMF is subtracted from it.  Using PID, kp,ki, and kd is given to the subsystem of DC as input 1 and the outputs of torque, speed, armature current and back voltage…

      PROJECT:                        %excel_reader.m                    A=xlsread('VI.xlsx');                         %Read excel…