Pawandeep Dhall

Austin, Texas, United States Contact Info
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An inquisitive mind with excellent communication skills and a passion for learning new…

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  • Shift Robotics

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Publications

  • Prediction of Surface Roughness Using Desirability Concept and Support Vector Machine for Fused Deposition Modeling Part

    The Engineering Optimization: Methods and Applications book series (EOMA)

    Fused Deposition Modeling (FDM) technique involves the deposition of a fused layer of material according to the geometry designed in the software. The quality of parts produced by FDM is greatly affected by several parameters. This study investigates the effect of printing speed, layer thickness, extrusion temperature and infill percentage on the surface roughness of parts. An approach based on Response Surface Methodology (RSM) and Design of Experiments (DOE) will lead to a reduction in the…

    Fused Deposition Modeling (FDM) technique involves the deposition of a fused layer of material according to the geometry designed in the software. The quality of parts produced by FDM is greatly affected by several parameters. This study investigates the effect of printing speed, layer thickness, extrusion temperature and infill percentage on the surface roughness of parts. An approach based on Response Surface Methodology (RSM) and Design of Experiments (DOE) will lead to a reduction in the significant number of experimental runs. Specimens are prepared for surface roughness test. Optimum values of process parameters are determined using the desirability concept and which gives the minimum surface roughness of the FDM printed part. The support vector machine predicted almost the same actual surface roughness value with a mean squared error of 7.186.

    See publication

  • Investigating the effect of cryogenic treatment of workpieces and tools on electrical discharge machining performance

    AIMS Materials Science

    In this competitive world, manufacturers must embrace new technology in order to differentiate their products and capture market leadership. This can be achieved using advanced materials; however, these materials are difficult to machine by using traditional machining processes. A very viable and practical unconventional machining process is electrical discharge machining (EDM). EDM processes need proper selection of input parameters to get optimum productivity aspects, namely, the material…

    In this competitive world, manufacturers must embrace new technology in order to differentiate their products and capture market leadership. This can be achieved using advanced materials; however, these materials are difficult to machine by using traditional machining processes. A very viable and practical unconventional machining process is electrical discharge machining (EDM). EDM processes need proper selection of input parameters to get optimum productivity aspects, namely, the material removal rate and tool wear rate. Thus, the present study aims at investigating the effect of cryogenically treated work pieces and tools, gap currents, gap voltages, pulse on time and pulse off time on the material removal rate and tool wear rate during EDM of Nitinol (NiTi) alloy, Monel (NiCu) alloy and beryllium copper (BeCu) alloy. The experimental results showed that cryogenic treatment significantly improved the electrical conductivity of the workpieces and tool electrodes, which resulted in an enhanced material removal rate and reduced tool wear rate.

    See publication

  • Weight Reduction of Airfoil using Generative Design & Structural Analysis

    AMERICAN INSITITUTE OF PHYSICS – AIP PUBLISHING, US.

    It has been observed that with sizing and weight deduction being of utmost importance in the designing of an aircraft and its components various rapid and powerful designing methodologies have been developed. These include topology optimization and finite element method applications on the aircraft component design structure. The topology is optimized by using conventional methods of removing materials and creating holes as far as the rim of an aircraft airfoil is considered. This method…

    It has been observed that with sizing and weight deduction being of utmost importance in the designing of an aircraft and its components various rapid and powerful designing methodologies have been developed. These include topology optimization and finite element method applications on the aircraft component design structure. The topology is optimized by using conventional methods of removing materials and creating holes as far as the rim of an aircraft airfoil is considered. This method ensures that the material which is experiencing minimum stress in the structure is removed and thereby reducing weight keeping the strength, rigidity, and toughness the same. Moreover, generative design with the help of its effective machine learning algorithms has always come to the aid when it comes to designing, developing complex manufacturing structures and with its unique designing flow, the optimal design output is achieved. In the past few years, generative design has been one of the most advanced and helpful methods of designing objects. Furthermore, to achieve topology optimization and to create a generative structure design, a third important application is finite element analysis. By meshing the component, a static and dynamic acting load can be calculated, and further analysis is done. These three together, that is, generative shape design powered topology optimization with finite element analysis FEA will be helpful in this paper. If the integrated working of generative design, topology optimization, surface analysis, or FEA Aids to the reduction of weight of a wing rib of an aircraft not only the strength of the Design would remain intact but also an optimized topology will help in making the final product and more efficient.

    See publication

  • Electrical Discharge Machining Process Optimization During Machining En19 Alloy Steel Using Desirability Concept

    Smart Innovations and Technological Advancements in Civil and Mechanical Engineering, Apple CRC Book

    See publication

Patents

  • The Palanca

    Issued IN .201921004985 A

    The Palanca is a device that will be installed on the roads at appropriate distances to slow down the traffic and also to regulate the flow of traffic in one direction. In day to day life, many instances can be recalled where an individual has been seen driving in the wrong direction or on the wrong side of the road. This leads to heavy traffic jams when the vehicle is large in size. Also, this can lead to major accidents and precious human life can be lost. Secondly, this causes major issues…

    The Palanca is a device that will be installed on the roads at appropriate distances to slow down the traffic and also to regulate the flow of traffic in one direction. In day to day life, many instances can be recalled where an individual has been seen driving in the wrong direction or on the wrong side of the road. This leads to heavy traffic jams when the vehicle is large in size. Also, this can lead to major accidents and precious human life can be lost. Secondly, this causes major issues when the road is one way. The Palanca offers an easy solution to these issues. It works on the simple principle of a class I lever. Instead of the speed breaker, a ditch has been created which gets covered when a vehicle approaches it by activating it through a pressure plate. Once the vehicle comes on the pressure plate, it will create the effort to lift the Palanca out of the ditch upto the ground level to complete the road. When the vehicle is no longer on the pressure plate, the Palanca will again lower itself into the ground, forming a ditch. Additionally, if a vehicle is traveling in the opposite direction, it will be unable to activate the pressure plate. Thus, the ditch will remain intact and the wheel of the vehicle will be unable to come out of the ditch. This becomes an effective way of maintaining the flow of traffic in a single
    direction.

  • The Velocidad

    Issued IN 201921004987 A

    The Velocidad is a simple mechanism that can be installed on any road to regulate the speed of the traffic flow. Over speeding has been the major cause of accidents on the roads in the past decade; Vehicle drivers have become rash and it has become almost impossible to regulate the speed of a vehicle on highways and expressways. We have come up with a simple solution to this by the
    means of the Velocidad. It is a series of plates arranged horizontally which will rise in the shape of a speed…

    The Velocidad is a simple mechanism that can be installed on any road to regulate the speed of the traffic flow. Over speeding has been the major cause of accidents on the roads in the past decade; Vehicle drivers have become rash and it has become almost impossible to regulate the speed of a vehicle on highways and expressways. We have come up with a simple solution to this by the
    means of the Velocidad. It is a series of plates arranged horizontally which will rise in the shape of a speed breaker in case the speed of the vehicle is above a certain known limit. In this, two simple ultrasonic sensors will be placed on the road at a certain distance apart. These will be used to detect the presence of traveling vehicles. Since we already know the distance between the two ultrasonic
    sensors, we can calculate the speed of each vehicle. On calculating the speed, it will become the. input for another program which will decide the height to which the Velocidad will rise to stop the motion of the vehicle. On obtaining this height, it will activate the motor which will move the plates into position. There will also be a light present that will continuously blink to warn the drivers of a moving Velocidad. Thus, the problem of speeding over the limits will be effectively solved.

  • The Detener

    Issued IN 201921004986 A

    The Detener is a device that will be installed at the signals to ensure the proper flow of the traffic at red lights. Presently, there are a lot of cases where accidents are caused due to vehicles jumping red lights and not following the traffic rules at these junctions. Also, although there are rules and regulations related to their violation, many disregard them. Pedestrian safety has also become a major
    concern at places where there are traffic signals. Since vehicles are coming from all…

    The Detener is a device that will be installed at the signals to ensure the proper flow of the traffic at red lights. Presently, there are a lot of cases where accidents are caused due to vehicles jumping red lights and not following the traffic rules at these junctions. Also, although there are rules and regulations related to their violation, many disregard them. Pedestrian safety has also become a major
    concern at places where there are traffic signals. Since vehicles are coming from all directions into the junction, it becomes difficult for the pedestrians to cross the road. The Detener offers a simple yet effective way to prevent any of these accidents from taking place, ft will be installed in place of the zebra crossings that are present at every junction. They will be lifted off the ground level when the
    light turns red, thus blocking the incoming traffic into the junction. Additionally, it will also give a safe path for pedestrians to cross the street without causing danger to their life. When the signal turns green, the Detener will lower itself to ground level, allowing traffic to pass and effectively blocking the path of the pedestrians. Thus, it will act as a means to regulate unruly traffic at junctions
    having red lights.

  • Smart valve system for water management

    Filed IN 201921040166

    SMART VALVE SYSTEM FOR WATER MANAGEMENT as the name says we had created a smart valve integrated with a smart Artificial Intelligence. this ensures that the water released by the government every morning gets distributed to every tank gets equal water ad no water is wasted by overflowing.

Projects

  • Next Gen Lunar Rover

    -

    • Developed a CAD model with 36 subassemblies in Solidworks after researching several design trade-offs.
    • Analyzed 45 components, and performed explicit dynamics analysis under crash conditions using ANSYS.
    • Performed structural, vibration, and fatigue analysis for complex rover assembly under extreme conditions.
    • Provided engineering drawings of 40 components with GD&T - ASME Y 14.5 industry standards for manufacturing.
    • Reduced the overall weight of the rover by 38% through…

    • Developed a CAD model with 36 subassemblies in Solidworks after researching several design trade-offs.
    • Analyzed 45 components, and performed explicit dynamics analysis under crash conditions using ANSYS.
    • Performed structural, vibration, and fatigue analysis for complex rover assembly under extreme conditions.
    • Provided engineering drawings of 40 components with GD&T - ASME Y 14.5 industry standards for manufacturing.
    • Reduced the overall weight of the rover by 38% through topology optimization in Solidworks.
    • Designed and manufactured an opto mechanical system for the camera and lidar of the rover using Solidworks and Zemax.
    • Completed electrical schematics and circuits for the rover integrating more than 16 sensors and 3 microcontrollers.
    • Led the Autonomy team and incorporated Visual and lidar SLAM with ROS to avoid static and dynamic obstacles.
    • Developed CAM program for manufacturing complex components with precise tolerances

  • Exo-skeleton for people with paraplegia

    -

    Berkeley Robotics & Human Engineering Laboratory

    • Simulated a sim mechanics model of a human swimming pattern with 6 degrees of freedom on Simulink with 79% accuracy.
    • Prepared forward & inverse kinematics models on MATLAB Simulink and validated results with robotic toolbox algorithms.
    • Employed various waterproofing techniques and materials for the exoskeleton to meet IP57 standards.
    • Manufactured a complex exoskeleton using various subtractive manufacturing…

    Berkeley Robotics & Human Engineering Laboratory

    • Simulated a sim mechanics model of a human swimming pattern with 6 degrees of freedom on Simulink with 79% accuracy.
    • Prepared forward & inverse kinematics models on MATLAB Simulink and validated results with robotic toolbox algorithms.
    • Employed various waterproofing techniques and materials for the exoskeleton to meet IP57 standards.
    • Manufactured a complex exoskeleton using various subtractive manufacturing methods including turning and milling.
    • Increased structural integrity by 30% by reducing fatigue points from 24 to 9 using various engineering analysis.

  • Economical multipurpose 6 axis industrial robot arm

    -

    Modularly design to serve injection molding, welding, 3d printing, CMM and part picking purposes. The arm has the ability to change the module automatically according to the user input.

    • Modelled CAD of the arm for additive manufacturing in Solidworks based on the DH parameters and torque calculations.
    • Designed and performed FEA on COMSOL on an end effector with 4 modularity: cutting, spraying, grinding, and drilling.
    • Manufactured the robot using fused deposition modeling…

    Modularly design to serve injection molding, welding, 3d printing, CMM and part picking purposes. The arm has the ability to change the module automatically according to the user input.

    • Modelled CAD of the arm for additive manufacturing in Solidworks based on the DH parameters and torque calculations.
    • Designed and performed FEA on COMSOL on an end effector with 4 modularity: cutting, spraying, grinding, and drilling.
    • Manufactured the robot using fused deposition modeling and stereolithography additive manufacturing technologies.
    • Accomplished a motion planning module for automating the cutting, grinding, and spraying processes for table fabrication.

    See project

  • Agroraptor – Agricultural drone

    -

    A multi-utility VTOL UAV with a modular design that could be connected with distinct modules such as a soil analyzer, water sprayer with a pressurized tank, seeder with a rotating hub, and plant life indicator using a hyperspectral camera with NIR sensor.


    • Analyzed and calculated aerodynamic parameters, including drone kinematics and attitude dynamics.
    • Implemented a state estimator and control system using C++ and Python to automate drone flight and trajectory…

    A multi-utility VTOL UAV with a modular design that could be connected with distinct modules such as a soil analyzer, water sprayer with a pressurized tank, seeder with a rotating hub, and plant life indicator using a hyperspectral camera with NIR sensor.


    • Analyzed and calculated aerodynamic parameters, including drone kinematics and attitude dynamics.
    • Implemented a state estimator and control system using C++ and Python to automate drone flight and trajectory tracking.
    • Developed embedded systems incorporating LIDAR, hyperspectral camera, ultrasonic, pressure, and NIR sensors.
    • Detected crop health and mapped the field area 68% accurately using machine learning and computer vision.

    See project

  • Multi diameter nozzle extruder for FDM 3d printer

    -

    A single extruder with multiple nozzles of different diameter that automatically changes according to the component mechanical property in a solitary printing process improves the resolution of the print and reduced printing time also enhancing the mechanical properties of the printed part.

    • Created a radical extruder with a changeable nozzle after researching on a variety of 3D printers and extruders.
    • Increased printing speed by 28%, structural strength by 62%, and surface…

    A single extruder with multiple nozzles of different diameter that automatically changes according to the component mechanical property in a solitary printing process improves the resolution of the print and reduced printing time also enhancing the mechanical properties of the printed part.

    • Created a radical extruder with a changeable nozzle after researching on a variety of 3D printers and extruders.
    • Increased printing speed by 28%, structural strength by 62%, and surface roughness by a significant amount.
    • Contributed to the development of cutting-edge slicing software with 7 features by writing the Gcode.

  • Spyder Robot – Quadruped spy robot

    -

    Cognitive sensor infrastructure which can be deployed as the border surveillance system to detect, collect and send information from remote locations with self-power generation and management capabilities.

    • Provided bill of materials and designed quadruped robot consisting of 60 components on Catia V5.
    • Utilized ROS to integrate various sensors and servo motors, and developed a serial protocol for communication.
    • Investigated encryption protocols and non-internet…

    Cognitive sensor infrastructure which can be deployed as the border surveillance system to detect, collect and send information from remote locations with self-power generation and management capabilities.

    • Provided bill of materials and designed quadruped robot consisting of 60 components on Catia V5.
    • Utilized ROS to integrate various sensors and servo motors, and developed a serial protocol for communication.
    • Investigated encryption protocols and non-internet telecommunication possibilities.

  • Agribot - Farmer Assister

    -

    See project

  • Design and simulation of aerodynamic propellers in MATLAB

    -

    Actuator Disk theory and Blade Element Theory in MATLAB used to model, design and simulate the performance of propellers accurately in real life conditions.

  • Octocopter

    -

    The octocopter was designed for quick and easy setup, fast payload swapping, automatic battery swapping and easy flight operations using a flight controller designed and coded from scratch.

Honors & Awards

  • Merit based Scholarship

    Fung Institute of leadership

  • JN Tata Scholar

    JN Tata Endowment for the Higher Education of Indians

    The scholarship acts as financial aid for students who wish to pursue higher studies.
    Being included in the same class of ‘J̲.̲N̲.̲T̲a̲t̲a̲ ̲s̲c̲h̲o̲l̲a̲r̲s̲’ like 𝑓𝑜𝑟𝑚𝑒𝑟 𝐼𝑛𝑑𝑖𝑎𝑛 𝑝𝑟𝑒𝑠𝑖𝑑𝑒𝑛𝑡 𝐾𝑅 𝑁𝑎𝑟𝑎𝑦𝑎𝑛𝑎𝑛, 𝑠𝑐𝑖𝑒𝑛𝑡𝑖𝑠𝑡𝑠 𝑅𝑎𝑗𝑎 𝑅𝑎𝑚𝑎𝑛𝑛𝑎 𝑎𝑛𝑑 𝐽𝑎𝑦𝑎𝑛𝑡 𝑁𝑎𝑟𝑙𝑖𝑘𝑎𝑟, and many other distinguished individuals feel surreal. This identification brings both pr̲i̲d̲e̲ ̲a̲n̲d̲ ̲r̲e̲s̲po̲n̲s̲i̲b̲i̲l̲i̲t̲y to live up to the expectations that the…

    The scholarship acts as financial aid for students who wish to pursue higher studies.
    Being included in the same class of ‘J̲.̲N̲.̲T̲a̲t̲a̲ ̲s̲c̲h̲o̲l̲a̲r̲s̲’ like 𝑓𝑜𝑟𝑚𝑒𝑟 𝐼𝑛𝑑𝑖𝑎𝑛 𝑝𝑟𝑒𝑠𝑖𝑑𝑒𝑛𝑡 𝐾𝑅 𝑁𝑎𝑟𝑎𝑦𝑎𝑛𝑎𝑛, 𝑠𝑐𝑖𝑒𝑛𝑡𝑖𝑠𝑡𝑠 𝑅𝑎𝑗𝑎 𝑅𝑎𝑚𝑎𝑛𝑛𝑎 𝑎𝑛𝑑 𝐽𝑎𝑦𝑎𝑛𝑡 𝑁𝑎𝑟𝑙𝑖𝑘𝑎𝑟, and many other distinguished individuals feel surreal. This identification brings both pr̲i̲d̲e̲ ̲a̲n̲d̲ ̲r̲e̲s̲po̲n̲s̲i̲b̲i̲l̲i̲t̲y to live up to the expectations that the esteemed institution has shown in me.

  • Solidworks Champion

    Dassault Systemes

    The SOLIDWORKS Champions Program aims to acknowledge & connect community members from around the world who go above & beyond in sharing their SOLIDWORKS and 3DEXPERIENCE WORKS passion & expertise.

  • Winner - Transfigure

    MIT WPU

  • Runner up - Drone-a-thon competition

    Dassault Systemes

    National Level competition organized by 3DEXPERIENCE LABS, Dassault Systemes, Pune, India. In this competition, my teammate and I had designed a drone from scratch keeping in my mind the manufacturability and practicality. We designed such a drone, which was capable of harnessing the pressure/thrust inflicted on it by its propellors. The pressure contained was further used for more efficient water spraying. It was for this innovative design, that our team was awarded.

  • Winner - Skillathon 2020

    Sinhgad Academy of Engineering

    National level competition organized by Sinhgad Academy of Engineering. The competition was related to pitching the best business model presentation/ solution made from the given problem statements.
    Learning Outcome: Pitching

  • 4 Awards of excellence

    DY Patil College Of Engineering

    Awarded four awards on the Annual Function day of our college for the achievements in 2019.

  • Runner Up - Ideathon

    G.H. Raisoni college

    "Ideathon" a National level competition organized by GH Raisoni.

  • Incubation by Autocluster

    Autocluster

    Project "Spy-Der Robot" was incubated by Auto Cluster Pune.
    AN NDA was signed between us and the organization where we were asked to develop the same robot for PCMC (Pimpri Chinchwad Municipal corporation). Made few changes ,making it usable for the Municipal corporation of the city.
    Learning Outcome: Professionalism, team work

  • Winner - PROTECH 2019

    SYMBIOSIS INSTITUTE OF TECHNOLOGY

    National level competition organized by Symbiosis Institute of Technology, Pune. My team of 4, made a working prototype of an unmanned vehicle for the Defense sector. It was called, “The SPY-DER Robot”.
    We submitted the proposal to DRDO for the competition “Dare to Dream challenge” as well. The robot was designed to look like a spider which gave it a camouflage advantage.
    Working of it is as follow:
    It moved on four legs which were controlled by 12 different servo motors. It is…

    National level competition organized by Symbiosis Institute of Technology, Pune. My team of 4, made a working prototype of an unmanned vehicle for the Defense sector. It was called, “The SPY-DER Robot”.
    We submitted the proposal to DRDO for the competition “Dare to Dream challenge” as well. The robot was designed to look like a spider which gave it a camouflage advantage.
    Working of it is as follow:
    It moved on four legs which were controlled by 12 different servo motors. It is meant to replace soldiers on borders as it can go to places which was too dangerous for humans. It consists of sensors that could replace the 5 senses by using FLIR camera as the eyes, microphone as ears, ultrasonic as touch sense and Electronic nose/gas sensor as the nose.
    We also conceptualised the connectivity and security of the robot. The idea was to disseminate the Spy-Der robots at border that only send data after encryption. In case the robot gets captured by the enemy, it has a self-destruct feature.

    Learning Outcome: Various types of sensors and their works and Arduino coding of each sensor, Design and 3D printed each part from scratch, Research on defence sector.

  • Appreciation Certificate

    Principal of DY Patil college of Engineering pune

Languages

  • English

    Full professional proficiency

  • Gujarati

    Full professional proficiency

  • Punjabi

    Full professional proficiency

  • Marathi

    Professional working proficiency

  • Hindi

    Native or bilingual proficiency

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