Narasimha Ripujit Gindam

Experience

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  Lokesh Machines Ltd.

  Nov 2012 - Apr 2013

  Manufacturing Engineering Intern

  • Reduced the cycle time for machining Mahindra Engine Block by analyzing the production line• Saved 556.6 seconds in cycle time while reducing INR 838,320 annually in total costs• Responsible for interpreting blueprints & supervising daily production, machine handling & maintenance (CLRI - cleaning, lubrication, repair, inspection)

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  Bharat Heavy Electricals Ltd,Industrial Systems Group

  Jun 2013 - Sept 2013

  Mechanical Engineering Intern

  • Performed CAD & CAE tasks to design elliptical bearings for Generator Shafts using CATIA v5 & ANSYS Workbench• Analysed components for Equivalent stress, Maximum Principal Stress & Total Deformation under multiple loading conditions• Studied the design methodology of different bearings used around shafts

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  Hybrutos Racing

  Feb 2014 - Apr 2015

  Mechanical Design Engineer - (Engine Team Lead)

  • Led a multidisciplinary team of 25 in design & manufacture of a hybrid powertrain competing at FSAE Formula Hybrid• Held DFMEA meetings for benchmarking design requirements according to product, ergonomic & regulatory compliances• Delegated design/research tasks to all the members & guided the new members in finding solutions• Established a CAD library of all components which enabled vehicle packaging for assembly & manufacturing (CATIA)• Implemented Gantt charts, BOMs, Pugh matrices emphasizing clear communication, ownership of tasks & deadlines• Fabricated CATIA designed components using mills, lathes, sheet metal brakes, TIG & MIG welding, etc.• Improved structural integrity & mounting of Lithium battery enclosures using FEA & multiple design iterations.• Collaborated over engine/motor sizing to run in series with a hybrid battery pack (Ultracapacitors & Lithium Ion)• Designed a supervisory controller which alternated between high Power Density & high Energy Density• Validated the performance of controller using Labview & calibrated control thresholds based on vehicle targets • Studied the system response & improved charge depletion by 10% through implementation of optimized control strategy Show less

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  Sai Akhil Ceramic Tiles Design Industries Ltd.

  May 2015 - Dec 2015

  Design Engineer

  • ​Worked in the Manufacturing Operations department in Rajahmundry, Andhra Pradesh• Supervised machine handling and daily production plan according to customer requirement• Reduced INR 459,680 in operational costs by optimizing insulation thickness for an environmental test chamber using 8D• Designed fixtures in an automated production line for manufacturing ceramic prints, ease assembly processes & improve yield• Supervised maintenance procedures in the plant environment following CLRI – Cleaning, Lubrication, Repair & Inspection• Laid arrangements of plant machines to ensure most efficient and productive layout via Just in Time, Lean methodologies• Executed all non-standard builds from routing material handling, setting up manufacturing floor space & report results• Experiment and validation documentation were made as per ISO/IMS standards Show less

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  Arizona State University

  Aug 2016 - Dec 2017

  Assisted professors on courses mentioned below through lab lectures, office hours, grading, tutoring etc. SCM 300 - Global Supply OperationsSCM 385 - Business & Sustainability ITMC 330 - Leading the EnterpriseEGR 101 - Foundations of Engineering Product Design IIEGR 102 - Foundations of Engineering Product Design IIMentored 800+ students on a weekly basis with the concepts of Enterprise Leadership, Lean Manufacturing, Sustainability & Operations, Engineering Design Cycle etc.Achievements - Teaching Excellence Award (Fall 17) Show less Dynamic Systems and Control Laboratory, Arizona State UniversityPrincipal Investigator - Prof. Yan ChenIndividual Research Topic – Active Camber Control• Reduced 70% of cornering resistance & MIL tested a novel Lyapunov based control algorithm using MATLAB, Simulink, Stateflow & CarSIM• Eliminated non-linearity and hysteresis loss in a brake actuators using a PID controller and HIL tested the setup using DSpace Microautobox II and DSpace HIL Simulator • Performed manual & autonomous testing in Software-in-the-loop (SIL) environment using Simulink & CarSim with test specifications & simulated a set of dynamic maneuvers like Fishhook, Double Lane Change, Rollover & J-Turn• Developed different tire models using Matlab for determining lateral & longitudinal force profilesLab Vehicle Testing – All terrain In-Wheel EV (AWD), Steer by Wire (4Wheel Steer)• Assisted in rapid control prototyping & Hardware in the loop (HIL) testing of Direct Yaw Control (Electronic Stability Programming), Steering Control, Traction Control systems using Dspace micro-Autobox II, Controldesk & OBDWiz • Maintained test documentation, analysed software bugs & improved vehicle stability & safety utilizing Canalyzer• Modelling & Setup of the battery management system (Temperature, Current, Voltage Monitoring & Cell Balancing)• Designed the wiring harness & chassis bracket for housing the battery package on the vehicle• Sizing, Modelling (GD&T) & DFMA with external vendor (Asian manufacturer) for Lithium Ion battery pack & casing• Exposure to LIN, J1939 CAN communication protocols & GPS system Show less Bioinspired Mechatronics Laboratory, Arizona State UniversityPrincipal Investigator - Prof. Panagiotis Polygerinos• PATENT – SOFT SHOULDER ASSIST DEVICE – Dec 1, 2016. [United States 62/428,894.] (pending)• Showed 40% reduction in shoulder muscle activity of wheelchair users by conceptualizing a Soft Robotic wearable device • Analysed the underlying shoulder biomechanics & the symptoms of shoulder overuse in wheelchair users• Designed a wearable (light, breathable & transparent) device that augments the muscles involved in the push stroke• Held product development meetings with the clinicians & physicians at Barrow Neurological Institute, Phoenix, AZ• Responsible for DFMEA, Kinematic Analysis, CAD, DFMA, Rapid Prototyping, Ergonomics, Testing & Validation• Hands-on experience in Mold Designs, Cavity design tools for Resin Casting & Injection Molding Show less

  • Teaching Assistant

    Jan 2017 - Dec 2017

  • Research Assistant

    Jan 2017 - Dec 2017

  • Student Worker - Dining

    Jan 2016 - Jan 2017

  • Research Assistant

    Aug 2016 - Dec 2016
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  Freelance

  Jan 2018 - Aug 2019

  Product Design Consultant

  • Assisted three stealth startups in transforming their ideas into marketable products on crowdfunding platforms like Kickstarter• Providing assistance in Product Design/Development, Prototyping, CAE & Optimization, Intellectual Property RightsProject 1 May - Oct 2018Designed a consumer electronics robot which1. would house a payload of 1-2 lbs at a height of 2-5 feet and provide a single degree of freedomfor the payload i.e., a 90-degree rotation along an axis parallel to ground2. should be able to be inserted through a 1-foot corridor of space3. whole setup should be light & portable i.e., Device ON and Device OFF time should be less than a minute.This solution was modelled using Solidworks, structural mechanics were simulated in ANSYS Workbench, rapid prototyped by 3D Printing and assembled for the client. Scope of improvement would be inducing draft which enables it to be mass manufactured (Injection Molding). Project 2 Nov 18 - Dec 18Information about this is protected by NDA.Project 3 Jan 19 - May 19• Established Do It Yourself (DIY) open source guides with calculations for Solar and Wind Energy Microgrids with battery storage• Designed CAD models of brackets for 3D printing or fabricating duplicable solar and battery energy infrastructure rollout for sustainable agricultural practices Project 4 August 19 - PresentCurrently working on a 3 axis cartesian robot for small scale walk-in coolers Show less

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  AZTech Technologies LLC

  Feb 2018 - Aug 2019

  Mechatronics Engineer

  • Developed an efficient bulk feeder on hydrogen sequestering machinery scaling it into an industrial scale pilot prototype• Evaluated competing design approaches using various development tools i.e., DFMEA, Fault tree, Decision matrices (Pugh) • Reviewed designs for cost, part count, manufacturability & durability while maintaining the CAD library using Upchain PLM • Created 3D CAD models, assembly layouts, drawings, specifications in SolidWorks & simulated structural integrity using Ansys • Wrote & implemented control logics on the production line to automate the processes using Allen Bradley LogixPro PLC • Analysed components for Equivalent stress, Maximum Principal Stress & Total Deformation under multiple loading conditions Show less

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  Ford Motor Company

  Nov 2019 - Apr 2020

  Product Engineer - Axle Design & Release

  • Owned the front and rear axle on Ranger, Everest and Bronco platforms being responsible for Design, Development, Timing & Production Release• Collaborated with Calibration, Chassis, Suspension, Brakes & Driveline teams over Ongoing Product Development (OPD)• Implemented multiple Total Value Management (TVM) ideas resulting in over $300K savings for current production models• Liable for Quality Improvement, Packaging, Cost & Weight Reduction, Durability, Warranty & Reliability improvements• Supported Prototype Design, Testing, Validation & managed the FMEA, Fishbone, DVP&R, SREA, PPAP, APQP documentationOptimised • the Front Axle frame design which led to Plant level part & tool commonization between Ranger & Bronco models• Production cycle time by investigating a trade-off between an axle’s lube level & driveshaft’s operating angle• Warranty expenditure on the Ranger model by introducing new service kits for seals & bearings (Pinion & Flange)• Cold start performance by changing axle lubricant from mineral to synthetic oil & documented its DVP&REliminated • An NVH issue by reducing the driveshaft operating angle & incorporating a Constant Velocity Joint (CVJ)• One circlip failure mode by modifying the differential side gear profile & updated the SCCAFF requirements• Water wading failures caused by axle vents by implementing a dual vent hose & redirecting the vent tubing Show less