Problem set 2 -week 3 challenge : Anti-Characteristics

Modify either the Bistop function or the motion curve that we apply to the revolute joint to stop the trunk lid exactly when the trunk lid comes in contact with the body of the car.    Solution: Model with graphics imported: Default Motion curve: Motion vs Time_s Hyperview results: at t=3.11sec. collision is detected.…

Question 1 Simulate the simple crank mechanism using cylinders (diameter = 2m) in a 2D plane (XY) as shown in the figure below In the case shown above, Revolute joints are located at P0 and P1, What type of joint must be given at P2 (Joint C) so that the system doesn't have redundancy issues? NOTE: Joint C is a type of…

OBJECTIVE: To Simulate and plot a freefalling body (point mass) of mass 1 kg and inertial properties 1 kgm2 in the y-axis with simulation time of 2sec   THEORY: Free Falling Object: The term "free fall" refers to an object falling freely with no forces operating on it other than gravity. Mathematical equation for free…

The following table contains information about two vehicles      FWD passenger car: Code: clear all close all clc l = 2.538984 ; %Wheelbase (m) a = 0.890016; %cg to front axle (m) b = l-a; %cg to rear axle (m) m = 907.18474; %Mass (kg) jz = 1128 ; %moment of inertia (kg-m^2) cf = 61171.9437; %front cornering stiffness…

A car has a weight of 1900 lb front axle and 1552 lb on the rear with a wheelbase of 100.6 inches. The tires have the following cornering stiffness values Solution: 1. Ackermann steer angles for 500, 200 and 50 ft radius Ackerman steer angle, `delta = L/R*180/pi` a) For R = 500ft `delta = (100*6)/(500*12)*180/pi = 0.961deg`…

The attached excel sheet has the calculation

1, Calculate the following parameters Front end deflection under load. Rear end deflection under load. Pitch angle. Pitch gradient.   2, Use the IC location information to calculate the following Front anti-lift angle. Rear anti-squat angle. Front swing arm angle for 100% anti-lift. Rear swing arm angle for 100% anti-squat.…

Aim: To check for geometrical defects, do a mid-surface extraction, mesh the component using the specified element Quality criteria, and then assign the component a thickness. Procedure: Component Study Geometry clean up and Material assignment Mid Surface extraction Meshing   Components Study: Outer Panel: Outer…

Aim:To be able to develop a software that reads data, checks it, calculates the work done by the engine, as well as the engine's particular fuel consumption, and plots the graphs that are needed for analysis. Objectives: TASK 1 - To make a Data visualizer:The script should be able to take column numbers as input and plot…

Q1.  What does popt and pcov mean? Ans.  'popt' represents the matrix which stores and extracts the coefficients for the fitting functions according to the general equations defined. popt : array, Optimal values for the parameters so that the sum of the squared residuals of f(xdata, *popt) - ydata is…

Transitional Behaviour of a simple pendulum: A simple pendulum consists of a mass m hanging from a string of length L and fixed at a pivot point P. When displaced to an initial angle and released, the pendulum will swing back and forth with periodic motion. ODE defining the behaviour of the simple pendulum:…

Air Standard Cycle - Otto Cycle: Otto Cycle is a set of process used by SI(spark ignition engines). These engines might be 2 stroke or 4 stroke. These engines work by a) getting the charge(air fuel mixture) in cylinder as intake, b) compress the charge, c)igniting the mixture using a spark, converting chemical energy into…

Objective: Simulating thermal effects and evaluating life cycle performance for a 10-cell series lithium-ion battery model using MATLAB at varied temperatures, charge and discharge rates. Overview: Battery Thermal Management System: Electric vehicles (EVs) are rapidly evolving and gaining popularity as a result of their…

Highway Assistant-Lane Changing Assistant   Aim: Modeling a Highway Assistant feature-Lane Changing Assistant using MATLAB and Simulink in accordance with MAAB requirements, creating a Model Advisor Report, and generating code using AUTOSAR Coder. Objective: Model Development in MATLAB Simulink as per MAAB guidelines.…

Aim: To develop a special need for the Traffic Jam Assistant algorithm that would be prominent in the IPC algorithm. Objective: This model must be developed in MATLAB Simulink as per MBD guidelines. Code Generation Profile must be in Embedded Coder. Simulink Data Dictionary must be created for the model & must be linked…

Aim: Developing Adaptive Cruise Control feature as per the Requirement Document using MATLAB Simulink. Requirement Tagging & Traceability, SLDD creation, Configuration Parameter changes, Model Advisor check. Use Embedded Coder to generate the code. Overview: Adaptive Cruise Control Feature for passenger cars allows…

Project - Vehicle Direction Determination 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 of identifying the direction of vehicle is basically identifying the direction…

Short-range electric vehicles are one of the roadblocks to electric automobiles obtaining widespread customer acceptance and becoming a significant market participant. A hybrid electric or fully electric car's fundamental advantage is the ability to recover vehicle energy that would otherwise be lost as heat while braking. …

Objective: Battery pack capacity: 18 kWh Cell: ANR26650M1-B  Prepare a detailed battery pack drawing along with its enclosure. State your assumptions.   Assumptions: The voltage of the battery pack is estimated to be 300V. No limitations are dimension of the battery pack Given Cell:  ANR26650M1-B  …

 Objectives:  1.Simulate the 3 test cases from harness dashboard and write a detailed report on the results 2.What is coulomb counting? Refer to the above model and explain how BMS implements coulomb counting for SOC estimation?    #1 Simulate the 3 test cases from harness dashboard and write a…

Target:  Hardpoint tuning to achieve pitch gradient targets using suspension “anti” characteristics. Introduction: Anti-Geometry consists of anti-dive, anti-squat, anti-lift. Anti-geometry refers to the at the front and rear wheels that controls the amount of the travel in spring (either compression or…

Objective: 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.  …

Objective: 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  Results: For any three standard driving…

Objective: To create a MATLAB model of electric car which uses a battery and a DC motor.    Introduction: An electric car is a vehicle that is propelled by one or more electric motors, using energy stored in rechargeable battery packs. These have less carbon footprint and has higher efficiency compared to…

Objectives: 1. Search and list out the total weight of various types of aircrafts.  2. Is there any difference between ground speed and air speed? 3. Why is it not recommended to use aircraft engine power to move it on the ground at Airport?  4. How an aircraft is pushed to runway when its ready to take off?…

Objectives: For a defined driving cycle, calculate the energy required for braking. Why electric motor can’t develop braking torque at high speed similar to starting? How electric and mechanical brakes are coordinated?  Make a MATLAB program which plots contour of given motor speed, torque and efficiency values.…

Objective: A. Explain a MATLAB demo model named ‘Speed control of a DC motor using BJT H-bridge’.   B. Comment on the armature current shoot-up from the scope results.     C. Refer to the help section of ‘The Four-Quadrant Chopper DC Drive (DC7) block’. Compare it with the…

Objective: Which types of power converter circuits are employed in electric and hybrid electric vehicle? An Electric Vehicle's powertrain with 72V battery pack in shown in the diagram below. The duty ratio for acceleration operation is 'd1' and for the braking operation the duty ratio is 'd2'. The other parameters of the …

Objectives:  What is the difference between mapped and dynamic model of engine, motor and generator? How can you change model type?  How does the model calculate miles per gallon? Which factors are considered to model fuel flow?  Run the HEV ReferenceApplication with WOT drive cycle. Change the grade and…

Objective: To use advisor tool and simulate the following  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.  In the above case, try changing the battery capacity and repeat the simulation.  Perform gradeability…

System-level simulation of an All-Terrain Vehicle Aim: To study and analyse the BAJA All Terrain Vehicle (ATV) model using Simulink. Program used: Software - Simulink (simscape) - Version 2020a. Objectives: To prepare a technical report of ATV model with and without Lookup table. Theory: All Terrain Vehicle: An all-terrain…

AIM:  Implement control logic of a “washing machine”. Make a Simulink chart for the “Gear shift” logic. #1: Implement control logic of a “washing machine” Theory: Washing machine is the machine used to wash the various types of clothes without applying any physical efforts. The…

initial Parameters (Before optimisation): i. Caster angle vs Steering Wheel Angle:   Caster angle at 0 steering wheel angle is found out to be 5.369 deg. ii. Caster Moment arm vs Steering wheel angle: Caster Moment arm at 0 steering angle is 8.5806mm. iii. KPI vs Steering Wheel Angle The KPI is found out to be 10.0855…

Objective: To model a F1 car concept using SolidWorks. Creating Photo Realistic Renders using SolidWorks Visualize. Abstract: The objective of this project is to use Solidworks and Solidworks visualize to design, model and create photorealistic renders of the completed assembly. The modelling is done using both solid and…

                                                                          Objective: To Deisgn the parts in Solidworks and make an assembly…

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AIM: To find the Resistive forces, Acceleration, Gear ratio, Braking forces and FEA brake analysis for an urban hybrid vehicle. Formulas and concepts Resistive Forces: Rolling Resistance It is defined as the force resisting a body rolling on a surface. It opposes the motion of the body.         …