EV Drivetrain

Project-1: Powertrain for aircraft in runways   Objective: To search and list out the total weight of various types of aircrafts.  To brief differences between ground speed and air speed. Why is it not recommended to use aircraft engine power to move it on the ground at Airport? How an aircraft is pushed to runway when…

Project-1: Powertrain for aircraft in runways   Objective: To search and list out the total weight of various types of aircrafts.  To brief differences between ground speed and air speed. Why is it not recommended to use aircraft engine power to move it on the ground at Airport? How an aircraft is pushed to runway…

BRAKING & Efficiency Mapping   AIM: To study on the Energy required during Braking based on any Drive Cycle. To study on Electric Braking & Mechanical Braking and Characteristics of Electric Motor Braking. To script a MATLAB program to evaluate plots for Speed, Torque & Efficiency Values. -------------------------------------------------------------------------------------------------------------------------------------…

DUTY CYCLE   AIM: To study on the Efficiency & Losses occurring in Power Electronics circuit. To generate Duty Cycle control signal from a simple Power converter circuit in MATLAB. Comparison of Square wave Inverter with Sine modulated wave Inverter. To study the difference between VFD & Vector Control drive.…

INDUCTION MOTOR CHARACTERSTICS - 2 AIM: To study on the Equivalent Circuit network of Induction Motor. To evaluate for the ratio of starting torque at Half Voltage & Rated Voltage. To script a MATLAB file for an Induction Motor with Torque-Speed Characteristics using Frequency Control Method. To study the operation…

INDUCTION MOTOR CHARACTERSTICS   AIM: To study on the working principle and characteristics of Induction Motor. To evaluate for the starting time for the IM Drive by defining Load Torque and Motor Torque behaviour. To evaluate for the state of Stability of Induction Motor with Torque-Speed Characteristics. INTRODUCTION:…

CONTROL OF DC MOTOR   AIM: To run the MATLAB demo script “Speed Control of DC Motor using BJT H-Bridge” & evaluate the model such that Armature current doesn’t shoot-up when the Motor changes its direction of rotation. To compare 4-Quadrant Chopper DC Drive (DC7) block with BJT H-Bridge Model.…

EV DRIVETRAIN   AIM: To study the Power Control Techniques adopted in controlling the Torque and Power of Vehicle. To study the Duty Ratio of Power Modules. Overview of Induction Motors and BLDC Motors. INTRODUCTION: EV/HEV Drivetrain/Powertrain Basics The Powertrain provides Power to Vehicle. It refers to the set…

DC MACHINE CHARACTERSTICS   AIM To study the Speed & Torque Behaviour of DC Motor. Classification of Power Cables & Signal Cables. To study on Level of Voltage in a Battery Pack of EV/HEV.   INTRODUCTION DC Machine Direct Current Machine can be of 2 types DC Motor or DC Generator, which works on Flemings…

Wide Open Throttle Condition Using Power Train Blocksets Aim: To understand the difference between mapped and dynamic model of engine, motor and generator. Fuel Economy - Miles per Gallon and its Calculation. Run the HEV ReferenceApplication with WOT drive cycle. Change the grade and wind velocity in the environment block,…

ADVISOR TOOL Aim : For EV_defaults_in file, simulate for the range of the Vehicle carrying the Payload of 500Kg. Changing the Battery Capacity of the above Vehicle for the next Simulation. To Perform the Gradeablity test for PRIUS_Jpn_defaults_in Vehicle. --------------------------------------------------------------------------------------------------------…

WIDE OPEN THROTTLE CONDITION Aim : To find the ratio of hill climbing power required by fully loaded Tata ultra truck to the half loaded one. To evaluate for the gradeability for trucks. Basic Vehicle Modelling using Simulink. Model the WOT (Wide Open Throttle) response of GM EV1 car.  --------------------------------------------------------------------------------------------------------…

FORCES ACTING ON A VEHICLE : Simple Modelling of an Electric Scooter AIM :  To find the maximum speed of the motor used in an electric scooter capable to run at  90 kmph, if the fixed gear ratio is 7 and tire size is 90/100 R10 53J. Same Simulation with tyre 90/90 R18 51P. To Prepare a simple excel calculator…

MODELLING AND SIMULATION OF FLOW THROUGH CENTRIFUGAL PUMP USING SOLIDWORKS Objective To Create a 3D Model of Centrifugal Pump & to simulate flow analysis (CFD Analysis) and obtain a relationship between Pressure ratio & Mass Flow Rate. Theory Computational fluid dynamics (CFD) is a branch of fluid mechanics that…

MODELLING AND SIMULATION OF FLOW THROUGH FLOWBENCH USING SOLIDWORKS Objective To Create a 3D Model of flowbench simulate flow analysis (CFD Analysis) and obtain a plot of Lift vs Mass Flow rate. Theory Computational fluid dynamics (CFD) is a branch of fluid mechanics that uses numerical analysis and data…

FLOW SIMULATION OVER NACA AIRFOIL USING SOLIDWORKS Objective To simulate flow over a NACA Airfoil (CFD Analysis) with different Angle of Attacks for an External flow and to compare Lift & Drag Forces. Theory Computational fluid dynamics (CFD) is a branch of fluid mechanics that uses numerical analysis and data…

FLOW SIMULATION OVER A CYLINDER USING SOLIDWORKS Objective To simulate flow over a cylinder (CFD Analysis) with an assumed initial Velocity for an External flow and running an Baseline Simulation and to make an parametric study with enhanced Reynolds Number. Theory Computational fluid dynamics (CFD) is a branch of fluid…

MULTI-BODY DYNAMICS OF PLANETARY GEAR Objective :- To Perform Motion Analysis on the Planetary Gear with a Sun Gear, a Ring Gear, a Carrier and 4 Planet Gears. Introduction :- Multi Body Dynamics A Multi Body Dynamic (MBD) system is one that consists of solid bodies, or links, that are connected to each other by joints…

PIPE FLOW SIMULATION USING SOLIDWORKS Objective :- To Run a pipe flow simulation with an inlet Reynolds number of 100,1000 and 10,000 and to Compare the normalized velocity profile at different locations. Theory Computational fluid dynamics (CFD) is a branch of fluid mechanics that uses numerical analysis and data…

MBD SIMULATION ON IC ENGINE VALVE TRAIN  Objective :- To Perform Multi-Body Dynamics Simulation on ICE Valve Train. Introduction Multi-Body Dynamics A Multi Body Dynamic (MBD) system is one that consists of solid bodies, or links, that are connected to each other by joints that restrict their relative motion.…

MBD SIMULATION ON A PISTON ASSEMBLY Objective :- To Run Multi-Body Dynamics Simulation on Piston Assembly. INTRODUCTION Multi-Body Dynamics A Multi Body Dynamic (MBD) system is one that consists of solid bodies, or links, that are connected to each other by joints that restrict their relative motion. The study of…

Multi Body Dynamics of Internal Geneva Wheel Mechanism Objective :- To perform Motion Analysis on Internal Geneva Wheel. Introduction :- Multi Body Dynamics A Multi Body Dynamic (MBD) system is one that consists of solid bodies, or links, that are connected to each other by joints that restrict their relative motion. The…

FREQUENCY ANALYSIS OF ROTATING SHAFT Objective :- To perform frequency analysis on a rotating shaft, and to find the resonant frequency. Introduction :- A shaft is a rotating machine element, usually circular in cross section, which is used to transmit power from one part to another,…

Analysis on a Plate with Hole Objective :  To perform Static Analysis on two different plates with Holes. To evaluate for Stress, Strain and Displacement. The 2 Geometric Models are as follows, **All dimensions are in mm   Pre Conditions : Material is Alloy Steel Type of Analysis :- Static Structural 1 of the…

Finite Element Analysis of Buckling Phenomena on a Cyclonic Seperator Stand using Solidworks Introduction BUCKLING Buckling is an instability that leads to structural failure. The failure modes can in simple cases be found by simple mathematical solutions. For complex structures the failure modes are found by numerical…

COMPARISION OF BENDING IN DIFFERENT TYPES OF BEAMS Introduction : A Beam is a structural element that primarily resists loads applied laterally to the beam's axis. Its mode of deflection is primarily by bending. The loads applied to the beam result in reaction forces at the beam's support points. The total effect of all…

FILE PARSING/DATA ANALYSIS OF ENGINE SIMULATION DATA Objective : To extract the various coefficients from the engine_data file and to write a PYTHON program to create Data Visualizer tool. ENGINE_DATA file is as follows, It contains 17 Parameters in seperate columns and each parameter has around 8000 values Other Inputs…

CURVE FITTING Objective : To write a PYTHON program in order to perform Curve Fitting Curve fitting is the process of constructing a curve, or mathematical function, that has the best fit to a series of data points, possibly subject to constraints. Curve fitting can involve either interpolations, where an exact fit…

GENETIC ALGORITHMS Objective : To write a code in MATLAB to optimise the stalagmite function and find the global maxima of the function. A Genetic algorithm is a search heuristic that is inspired by Charles Darwin’s theory of natural evolution. "Survival to Fittest" is the principle of the theory,…

FILE PARSING OF NASA's THERMODYNAMIC DATA Objective : To extract the thermal coefficients from the NASA's .dat file and to write a MATLAB program to calculate the Sprcific Heat, Enthalpy & Entropy of each Element present in the file. THERMO.dat file to be extracted is as follows, The file consists of Header data which…

RANKINE CYCLE SIMULATION Rankine Cycle is a typical Steam Cycle which continuously converts the energy stored in the fuel, into useful Mechanical work/Shaft work and ultimately into Electricity. The working fluid is Water which is sometimes in a Liquid state and sometimes in Vapour state during its cycle of operations.…

AIR STANDARD CYCLE : OTTO CYCLE Otto Cycle is an Constant Volume thermodynamic Cycle typically used in Spark Ignition Engines commonly found in Automobiles. A typical Otto cycle consists of Pair of Isentropic Processes which are reversible Adiabatic. Pair of Isochoric Processes which are Constant Volume Cycles. The typical…

Breaking Ice with Air Cushion Vehicle - Find Minimum Pressure with Newton Raphson Method   Newton Raphson Method The Newton-Raphson method (also known as Newton's method) is a way to quickly find a good approximation for the root of a real-valued function f(x) = 0. It uses the idea that a continuous…

AIR STANDARD CYCLE : OTTO CYCLE Otto Cycle is an Constant Volume thermodynamic Cycle typically used in Spark Ignition Engines commonly found in Automobiles. A typical Otto cycle consists of Pair of Isentropic Processes which are reversible Adiabatic. Pair of Isochoric Processes which are Constant Volume Cycles. The typical…

Transient Behaviour of a Simple Pendulum A pendulum is a body suspended from a fixed support which swings freely back and forth under the influence of gravity. When a Pendulum is displaced from its initial position, it is subjected to a restoring force due to gravity which will accelerate the pendulum back to its…

Transient Behaviour of a Simple Pendulum A pendulum is a body suspended from a fixed support which swings freely back and forth under the influence of gravity. When a Pendulum is displaced from its initial position, it is subjected to a restoring force due to gravity which will accelerate the pendulum back to its…

CURVE FITTING Objective : To write a MATLAB/OCTAVE program in order to perform Curve Fitting Curve fitting is the process of constructing a curve, or mathematical function, that has the best fit to a series of data points, possibly subject to constraints. Curve fitting can involve either interpolations, where an exact…

R  Robotic Arm - Forward Kinematic  Motion Here 2R stands for "Two Rotational" Joints for an two link Kinematic Chain. Let us consider, length of link 1, l1=1 unit length of link 2, l2=0.5 unit To find the workspace/final position of the above defined Robot, we need to find the positions of link1…

FLOW OVER A BICYCLE For a cyclist, when cycling there affects a several factors which decides the velocity and Potential Energy consumed for a cyclist. The Aerodynamic study shows that apart from the thrust force of the cyclist, there exists a opposing force called as DRAG FORCE which is basically nothing but the…

2R  Robotic Arm - Forward Kinematic  Motion Here 2R stands for "Two Rotational" Joints for an two link Kinematic Chain. Let us consider, length of link 1, l1=1 unit length of link 2, l2=0.5 unit To find the workspace/final position of the above defined Robot, we need to find the positions of link1…

FLOW OVER A BICYCLE For a cyclist, when cycling there affects a several factors which decides the velocity and Potential Energy consumed for a cyclist. The Aerodynamic study shows that apart from the thrust force of the cyclist, there exists a opposing force called as DRAG FORCE which is basically nothing but the…