http://www.juhikalra.com/pdwork daily 0.75 2013-08-26 https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427068515717-PGT4OKBXST0O4IPMNZNH/juhifinal.jpg Engineering Design http://www.juhikalra.com/work daily 1.0 2017-10-15 https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481696647275-WVBM2MQ584ANNKLS1EXD/image-asset.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481686323563-M9RTFOJ2I1TT1296W1U0/image-asset.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427254873710-3ELF08FWTF4JDAESR6Z3/LOOKSLIKE.JPG Engineering Design - Streamlined Prototype Features are identical to Works-Like; however, this is a streamlined looks-like prototype after taking into account the manufacturing processes and associated costs. https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427305759001-PA74IW43RWYF54D79VN9/Capture2.PNG Engineering Design - Close-Up: Front Swivel Wheels https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427305750176-GEXXXURBNKSZUSNJBLEL/Capture.PNG Engineering Design - Close-Up: Back Braking Wheels https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427305786118-B9Y4IEA6U1LDUC044LWK/Capture1.PNG Engineering Design - Close-Up: Adjustable Sidebar Rest https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481616550272-VWFQFP9YHQXSC9TM2LG4/image-asset.jpeg Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481616476144-XEM0JP8ZT90224ZSGNUD/image-asset.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427303986168-USWHWQGPAHJVYYY5SD5H/juhifinal.jpg Engineering Design - Final Prototype Final Prototype with redesigned braking system, storage basket, and adjustable sidebar mechanism. https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427254728803-W954BDL10SFUASGMF5PV/handle_closeup.jpg Engineering Design - Close-Up: Braking Mechanism Brakes on the handle bar. Pressing down on a brake clamps the respective back wheel. For example, pressing on the right brake clamps the right back wheel. https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427254703914-3TJ4T841DDA3CLXCRQV9/wheel_closeup+copy.jpg Engineering Design - Close-Up: Braking Mechanism Clamping of the wheel prevents the wheel from moving and thus enables travelers to turn the trolley without having to lift/pivot the trolley. https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427308067060-08350M2ZN190DWCEMC13/sidebar.jpg Engineering Design - Adjustable Sidebar Mechanism Prevents suitcases from falling off if sidebar is pulled out. https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427301833845-G5YMIGTACJ9FTAD7F65B/IMG_6640.JPG Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427301837307-NH8WA5824QTVQI1TWCKG/Screen+Shot+2015-03-25+at+12.35.14+PM.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481682749889-C88WK26XCH2Q1PJEVIIJ/Screen+Shot+2016-12-14+at+10.31.40+AM.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481681149215-3SPX492CRSV2O9JEGX5M/Screen+Shot+2016-12-14+at+10.05.02+AM.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427256208812-QSZ6O85Q253VH1ZYHDTT/design1.jpg Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427256212744-Y9PJQ8M7DAVO7RRBAZFM/variation1.jpg Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427256217027-6MN71PGAQLSLNS5ZPALN/variation2.jpg Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427256402001-K55BVIZ4EJN2UIODG9G6/variation3.jpg Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1449485876530-V4VY9VKCMRRYOKFMYS2X/Final+Machine.jpg Engineering Design Final Machine https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1449486315243-WYNW855ISLQJOL3IYD2Y/final_1.jpg Engineering Design - Front View https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1449486340541-9B01E47V4CC5YMNRWAVQ/final_2.jpg Engineering Design - Top View https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1449486361605-OEA1XVORFJOSHT7N8LI6/final_3.jpg Engineering Design - Side View https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1449652081518-Y32AKKUZ1CXKYZMCPCFC/IMG_7911.JPG Engineering Design - Testing Initial Concepts Quick and dirty mockups were made to test our initial concepts. This picture is a concept that we realized would not work once we tested it. https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1449652854116-AHXZUWVYYWSY2JESJ9I2/p2.jpg Engineering Design - Solidworks Prototype #1 Consists of three subsystems: inner chassis, outer chassis, and an arm to clear the teeter-totter obstacle. https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1449651854532-NU4AO1BI2ZCNK4ZSM3PO/all_legs.jpg Engineering Design - Deciding Leg Shape Several leg designs were tested to optimize the robot's speed. https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1449652875561-6Y8332ZY9B9YLJFG9VYZ/prototype2_2.jpg Engineering Design - Prototype #1 In the first prototype we just tested our walking mechanism. Two more iterations followed before the robot could walk successfully. https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1449652917481-A4CVR5AF94YXCN9VX9WB/sw_final.jpg Engineering Design - Final Design After several iterations, our final Solidworks model is as shown. https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481679898495-MAVNVNFKWI0HRZ6UEHQ2/engine.jpg Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1482120835452-25RG1O4GH1AAV590I5M5/image-asset.jpeg Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1475182752862-ZM18L512QOJ5PLYW794Y/Top+Level+Block+Diagram Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1508053849300-7HVYE0VIE4HSWSY39GHP/image-asset.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481464837933-RPWD08GCL4EQ7K6H793G/Screen+Shot+2016-12-11+at+9.32.42+PM.png Engineering Design - CAD Model of one Full Leg Linkage https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481541268889-BRL4PVDR8WKAZDX4OVJ8/Screen+Shot+2016-12-11+at+9.49.39+PM.png Engineering Design - Exploded View of Half Leg Linkage https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481555724673-8QT8KKDNOMZZ6A3IKBO3/image-asset.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1508055445827-M9LA0P86TP5A287WP4BG/Leg+Iterations.png Engineering Design Scaled model of basic architecture Testing deflection in one pair of to-size legs https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1508045377039-9OD9KTCJZRE2ZIFFBXYI/SW_isometric+view.JPG Engineering Design MODELED VERSION OF ATHENA IN SOLIDWORKS https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1508046534507-LD9VHN041AAYJJGIZU0R/competitionpics.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1508051897958-RY8X7MV2J1G9KJ3IRG1U/Architecture+Brainstorm.png Engineering Design Super quick sketches were made during the brainstorm to explore architecture concepts https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481541608096-KCDK0HJB7HA02RRKN6KO/Diagram+of+Transmission+Box.png Engineering Design - Assembled Transmission Box https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481543390341-Y27NXB0I9IJINXSIDL74/Screen+Shot+2016-12-12+at+7.49.10+PM.png Engineering Design - Lever & Transmission Subassembly https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1508045318718-40DWM46AO6E2P066CSW5/DSC_4888.JPG Engineering Design MEET ATHENA: OUR PEDAL-POWERED WALKING GODDESS https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481540370190-3PBB6LZM7BX3H8OM9KGH/Drive+Train+Diagram Engineering Design Drive Train Diagram https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1508051917742-40RBW4LOR5SRAXBIAEYL/Decision+Matrix.png Engineering Design This decision matrix was used to select between our top two architecture concepts https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1508026299306-8N5VYCBD30K8DV4VKOSQ/image-asset.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1506898310155-6CJRNWFXW02M9L51WJNS/Design+Phases.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1508041362779-Y95JUI7Q8GKIJXCSZRHA/Screen+Shot+2017-10-14+at+9.05.46+PM.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1506914508408-AQ0DUS511BMP4H7QURCE/Concept+Sketches_pic1.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1506912224091-K6C0CBMI29MIMAUEAJUY/stem+interface+iteration-01.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1506915049991-STJF3EQWWHNPK1TSCYQ3/image-asset.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1506891358781-OKRO0C0GFCQIN279J6Z3/General+Diagram.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1506898874128-XP8CL2MEMKY37HUARNQA/Initial+Brainstorm-01.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1508018854013-9YCNY6Q0NZPEUV0I3DM6/Prolapse%26GellhornDefinition.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1506898917860-ZIIJUZC7GWKQ5S7SCEW8/image-asset.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1508029783424-31FPB3WS9UPL17ZNCPCT/Actuation+Prototypes.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1506891428491-X4WJTD7B9DGYKX8E1KCU/Applicator+exploded.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1506915069362-HRT88YJ381YIQZ5KBCGV/image-asset.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1506912207634-7Y3711PK9AYB0GIRCRYD/hinge+iteration-01.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1506914529558-V4WDT7EZHLS2DLD8X9TQ/Prototyping-01.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481438125718-EY9RB3SDORKFL9GEL9MJ/sideview.jpg Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481438843846-RER0L53NGYZGLVCCL68L/front+view_white+back.jpg Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481438750664-FYLY03JPYAUJYVNXHWR7/Final%2BMachine.jpg Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481439268436-VR4SWGDURYHIFWFE8OLI/prototype.jpg Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481443954012-3DKJKLHOJ7EN18EGF43T/Stirling+Engine.jpg Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481444791238-Q72OZB9ASWAVC3WG8ADI/Screen+Shot+2016-12-11+at+4.19.29+PM.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1482120784858-ZU2RZRMKHY3M6NLS591R/hamster+elevator+3.jpg Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1506881846155-AG517OET0SFST9X8MN55/Screen+Shot+2017-10-01+at+11.03.36+AM.png Engineering Design https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1449573994149-4A5R5LHSTLKLI35B9JNQ/questionmark-e1393034101642.jpg Engineering Design http://www.juhikalra.com/new-blog daily 0.75 2015-01-30 http://www.juhikalra.com/experience daily 0.75 2016-12-18 https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481859637849-RRERU2NCR8XF8LB2SP9V/FULL.png Experience - Final Prototype: Employs spring-hinge mechanism https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481859641944-JDUHEA0OWWWUJFRSJ7IA/JIG1.png Experience - Jig #1: Assembly of hinges and spring https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481859645721-GSIGUGROJSV9IJHF36HJ/JIG2.png Experience - Jig #2: Rivet tab and spacer onto hinge https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481858618597-IS2ZDHJU31CEFTCUC03L/image-asset.png Experience https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481858320861-4MX0KUH7K0WY8MLSDAT7/image-asset.jpeg Experience https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481869894128-J16W29WCD8K94N53HPXC/image-asset.png Experience https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1482035125592-JKU5AMLMMP6HL7VBEGNN/image-asset.png Experience https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1482034431006-3WU9PTNJXQE1EOMW4FLM/image-asset.png Experience https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1481870660276-PDCEKHUJY84K2HGBGGQF/Screen+Shot+2016-12-16+at+2.42.05+PM.png Experience https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1482035851211-VYAZEBJF8GP41LRHXJYX/sponsorlogo-prysm1.png Experience https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1482035924222-S4K7NF7Q2OFBRSUNSWE3/stemco-600x600.jpg Experience http://www.juhikalra.com/about daily 0.75 2017-09-24 https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1427316540399-Q0H4QEBVY91TEUANB3Q5/juhi.jpg About https://images.squarespace-cdn.com/content/v1/550acb5ae4b02daea8d930cd/1426811745236-J5FDLV8QZL0Y4QQ3EY9Q/P1013745.JPG About http://www.juhikalra.com/about-avenue daily 0.75 2025-05-12 https://images.squarespace-cdn.com/content/v1/4fd1028ee4b02be53c65dfb3/1377897194514-Q90380A0QY2TFP0VS4PD/27ef868543abf9c4e16439c1aeb8f0bd.jpg About