Week 8 - Challenge 2 - Base Bracket Design

Objective: To calculate the energy required for braking. Explaination on why electric motor can’t develop braking torque at high speed similar to starting? How electric and mechanical brakes are coordinated?  Write a MATLAB program which plots contour of given motor speed, torque and efficiency values.  …

Objective:Explanation on Matlab model 'Speed control of a Dc motor using BJT H-Bridge and on its output.To compare Four-Quadrant chopper DC drive (DC7) block with H-bridge model.To develop a simulink model for 2-quadrant chopper.Brief on BLDC motor. Description:Power electronics:Power electronics is the branch of electrical…

Objective: To understand types of power converter circuits employed in EV and HEVs. To determine the steady state speed of the vehicle. To develop the mathematical model for given equation in simulink. To breif about wally Rippel's Induction versus DC brushless motors blog.   Description: 1. Power converter circuits: The…

Objective: To differentiate between mapped and dynamic models. To explain how simulink model calculate miles per gallon & mention factors that are considered to model fuel flow. To run HEV ReferenceApplication with WOT drive cycle & the obtained result is compared with the same model by changing the grade and wind velocity…

Objective: Conduct simulation of 'EV_defaults_in' file and check whether the model can travel 45km of distance with cargo 500kg and other parameters set to default. Conduct simulation of 'EV_defaults_in' file and check whether the model can travel 45km of distance by varying the battery capcity. Perform gradeability test…

Objective: To study the BAJA ATV model that was built using MATLAB Simulink and prepare technical report on it.   Description: BAJA: Baja SAE is a Collegiate Design Series competition run by the Society of Automotive Engineers International (SAE International). Teams of students from universities all over the world design…

Aim: Implement control logic of a Washing machine using stateflow by following the given sequence and conditions. Gear shift logic according to the speed range given for individual gears.    Software used: MATLAB R2020a.   Description: Control logic: It is the part of a controller that defines how a reactive…

Objective: To make a Simulink model of Doorbell using Solenoid block for the given conditions. To make a Simulink model using thermistor to sense the temperature of heater & turn ON or OFF the fan as per given conditions.   Software used: MATLAB R2020a.   Description: 1.Doorbell: Condition: The switch should…

Objective: Development of back door using given styling surface. Applying proper reinforcements at weaker portion. Perform draft analysis on inner panel.   Software used: Simens NX 12.   Description: In this project I’ve designed a Back door of a car (Hatch back) utilizing all the skills that I’ve learnt throughout this…

Objective: Design of automobile roof with proper Bow roofs and reinforcements for the given Class-A surface. Perform Heat distortion & Snow load calculations. Finally, Draft analysis on all Sheet metal components.   Description: Car roof is a component which protects the passengers & driver from the Dust,…

Aim: To design Front fender using the given Class-A surface and master section.   Description: Software used: Siemens NX 12 Fender: A Fender is merely a housing for the wheels that prevents road debris from being thrown up by the rotating tires. However, fenders are also able to absorb impact from minor collisions.…

Aim: To calculate the section modulus of previously designed Hood panel and to make changes to the hood section to obtain a better section modulus.   Description: This project is completed using Siemens NX 12 software.   Moment of Inertia: The tendency of a body to resist angular acceleration,…

Aim: Design Hood outer panel, inner panel and the necessary reinforcements by following the Master section.   Description:   Given data: Hood Thickness Information. Outer Panel Thickness = 0.75mm Inner Panel Thickness = 0.75mm Reinforcement Thickness = 1.5mm                                              Master section …

UNDERCOATING: Undercoating is a thick coating applied to the underside parts of the vehicle to prevent them from rusting. It is normally sprayed or painted uniformly when it is out from showroom and from service centres. It is not necessary to get undercoating after every service. It’s fine to get it done after couple…

Objective: To suggest a best car for Mr. D.S. Pughazhyendhi, which falls under his budget and satisfies all his requirements.   Benchmarking: Benchmarking is basically a structured comparison between similar products, services or process on some dimensions of performance.  Process benchmarking of this kind can…

Objective: Development of Car door trim panel with proper attachment strategy and performing draft analysis on each part of the door panel. Description: The Entire project is completed on CATIA V5 R21 software.                                                                                                             …

Aim: Creation of B-Pillar using Class A-Surface and master sections and performing draft analysis.   Description: The B-pillar is the post between the front and back seat doors of a sedan/ SUV, connecting the roof to the body. The A pillar is the first post connecting the roof and body at the windshield.  The…

Aim: Creating the Door Applique and Door Attachment component through the given Class-A surface, and add Locators and heat stakes. To perform Draft analysis on the final component.   Description:   Tooling Axis Creation: Since both Door Applique and Door Attachment are not having more complex shape, So they…

Aim: Creating the boss and Dog House for the Centre console coin holder considering the design rules.     Description:     THE GIVEN CLASS A-SURFACE IS NOT DRAFTED, SO IT CANNOT BE CLEARED IN EJECTION. WE NEED TO INFORM THIS ERROR TO THE TEAM WHICH HAS CREATED THE CLASS A-SURFACE.       Steps…

Aim: Creating the rib for the Centre console coin holder considering the design rules.    Description:   THE GIVEN CLASS A-SURFACE IS NOT DRAFTED, SO IT CANNOT BE CLEARED IN EJECTION. WE NEED TO INFORM THIS ERROR TO THE TEAM WHICH HAS CREATED THE CLASS A-SURFACE.     Steps involved in creation of tooling axis: 1. Extract…

Aim: Creating the Core and cavity blocks for the Switch Bezel.   Description:   Draft Analysis: Draft is the angle in which the part is tapered for easy ejection from core and cavity block. Draft analysis is a technique used to analyze whether the drafted CAD model is manufacturable with the given draft…

Aim: Creating the Coin Holder Plastic component through the given Class-A surface and performing draft analysis on both.   Description:   THE GIVEN CLASS A-SURFACE IS NOT DRAFTED (It has lines which are at 90 degree angle, marked in below snap), SO IT CANNOT BE EJECTED FROM CORE AND CAVITY BLOCK. WE NEED…

Aim: Creation of Door Arm rest using the given CLASS A-SURFACE and converting it to a solid component and to perform draft analysis on both.   Description:                A. Steps involved in creation of Tooling Axis: Since this is a quite complex design the whole component cannot be cleared using single tooling axis,…

AIM: Creating the Switch Bezel Plastic component through the given Class-A surface and performing Draft Analysis on both solid component and Class A-Surface.   DESCRIPTION: Draft Analysis: Draft is the angle in which the part is tapered for easy ejection from core and cavity block. Draft analysis is a technique used…

Aim: Creating BASE BRACKET component from given CLASS A-SURFACE.   Description:   A. Steps involved in creating TOOLING AXIS:  Create an Axis system at the center of the hole as shown in figure.     Create an intersecting curve (using YZ-plane and the Class-A surface of…

Aim: Draft Analysis on Fan Cover. Description: Draft Analysis:Draft is the angle in which the part is tapered for easy ejection from core and cavity block.Draft analysis is a technique used to analyze whether the drafted CAD model is manufacturable with the given draft conditions. Tooling axis (the direction in which the…