{"id":1203,"date":"2022-01-23T21:08:34","date_gmt":"2022-01-24T03:08:34","guid":{"rendered":"https:\/\/jdewald.com\/design\/?page_id=1203"},"modified":"2023-01-23T09:49:29","modified_gmt":"2023-01-23T15:49:29","slug":"portfolio","status":"publish","type":"page","link":"https:\/\/jdewald.com\/design\/portfolio\/","title":{"rendered":"Engineering Design portfolio"},"content":{"rendered":"\n
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Portfolio<\/h2>\n\n\n\n

Engineering Design portfolio<\/h1>\n\n\n\n

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\"overview
ice spectrometer<\/h5>\t<\/div>

Heat transfer design and automation of a laboratory ice spectrometer

Click to see the paper!<\/a><\/p><\/div><\/div><\/div><\/div>\n\n\n\n

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\"image
large led panel display<\/h5>\t<\/div>

designed and installed an interactive, transparent, led panel display for a large bay window.

read the paper!<\/a><\/p><\/div><\/div><\/div><\/div>\n\n\n\n

<\/div>
\"Design
Problem solving curriculum<\/h5>\t<\/div>

Designed a problem solving and design thinking curriculim in partnership with UC San Diego and UCSD Extensions

watch the presentation<\/a><\/p><\/div><\/div><\/div><\/div>\n<\/div><\/section>\n\n\n\n

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\"photo
Bar-end shifters<\/h5>\t<\/div>

Design a set of indexed bar-end shifters to be:

– lightweight;
– inexpensive;
– customizable (# of speeds);
– easy to assemble and install

Click to see write-up<\/a><\/p><\/div><\/div><\/div><\/div>\n\n\n\n

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\"volgren
redesign and manufacture city-route bus<\/h5>\t<\/div>

work with a team of engineers and designers to completely redesign a city-route bus to maximize cost-savings by:

– focusing on DFM to prolong mold-life;
– greatly simplifying assembly with DFA methodologies;
– modernizing aesthetics and usability to promote widespread adoptions;

I was responsible for the cockpit and overhead extrusions

Click to see write-up<\/a><\/p><\/div><\/div><\/div><\/div>\n\n\n\n

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\"close-up
electronic derailleur actuator<\/h5>\t<\/div>

Custom built electro-mechanical derailleur actuator with long battery life (3+ months) using a stepper motor and a zero-length spring balancer

Click to read the write-up!<\/a><\/p><\/div><\/div><\/div><\/div>\n<\/div><\/section>\n\n\n\n

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\"google
Room reservation app <\/h5>\t<\/div>

Design a JavaScript calendar app that is:

– easily integrated with google calendar events;
– able to display room reservations and allocations for up to any number of rooms;
– color similar events \/ hosts to easily identify resources;


click to see in action<\/a><\/strong><\/p><\/div><\/div><\/div><\/div>\n\n\n\n

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\"team
museum exhibit<\/h5>\t<\/div>

Lead a team of intern-designers to build a hands-on museum exhibit that:

– explores “Sounds Under the Sea” ;
– is “Active & Prolonged Engagement”;
– is ruggedized for daily use;

Click to see write-up<\/a><\/p><\/div><\/div><\/div><\/div>\n\n\n\n

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\"photo
5,000 sq ft makerspace<\/h5>\t<\/div>

Design a makerspace for a large university that is capable of:

– supporting 20+ hands-on classes;
– addressing the needs of 8,000+ engineering and arts students;
– existing on a diverse and faceted campus;

Click for more information:<\/a><\/p><\/div><\/div><\/div><\/div>\n<\/div><\/section>\n\n\n\n

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\"3d
machine management app<\/h5>\t<\/div>

Develop a desktop app written in python and a gui in wxpython that can:

– allow \/ deny access to machines based on training and certifications;
– manage the length of prints;
– charge users based on amount of material used and time of print;

GITHUB Repository…<\/a><\/p><\/div><\/div><\/div><\/div>\n\n\n\n

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\"Conceptual
Ultra low cost sanitation<\/h5>\t<\/div>

Design a mass-produced, low cost toilet that can:

– lower manufacturing and shipping costs (stackable);
– lower assembly costs (single piece);
– lower maintenance costs (non-porous material, eg plastic);

Read more…<\/a><\/p><\/div><\/div><\/div><\/div>\n\n\n\n

<\/div>
\"students
museum exhibit<\/h5>\t<\/div>

Lead a team of intern designer to build an interactive museum exhibit that:

– showcases virtual and augmented reality;
– is “Active Prolonged Engagement”;
– is ruggedized for daily use; ;

Click for more information:<\/a><\/p><\/div><\/div><\/div><\/div>\n<\/div><\/section>\n\n\n\n

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\"automate
Laptop kiosk <\/h5>\t<\/div>

Custom designed laptop cabinet to automate laptop rentals by:

– designing a custom wiring harness to route power and logic to custom solenoids;
– designing accompanying software to provide access via rfid and magstripe IDs;
– integrating alarms to train user behavior;
<\/p><\/div><\/div><\/div><\/div>\n\n\n\n

<\/div>
\"photo
high school engineering curriculum<\/h5>\t<\/div>

developed a microcontroller curriculum for an NSF funded high school engineering course

see it in action!<\/a><\/p><\/div><\/div><\/div><\/div>\n\n\n\n

<\/div>
\"business
d2 llc<\/h5>\t<\/div>

custom website using vanilla-javascript, html, and css.

check it out !<\/a><\/p><\/div><\/div><\/div><\/div>\n<\/div><\/section>\n\n\n\n

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Engineering Design Portfolio (in text)<\/h2>
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An easy-to-parse list of engineering design examples<\/p><\/div>\n\n\n\n

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<\/a><\/path><\/svg><\/span>Bar End Shifters<\/span><\/div>\n<\/div><\/div>\n\n\n\n

Designed a set of indexed bar-end shifters to be:

– lightweight;
– inexpensive;
– customizable (# of speeds and cable-pull);
– easy to assemble and install.

Click to see write-up<\/a><\/p>\n\n\n\n

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\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n
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<\/a><\/path><\/svg><\/span>Large Scale Automotive Extrusions<\/span><\/div>\n<\/div><\/div>\n\n\n\n

Worked with a team of engineers and designers to completely redesign a city-route bus to maximize cost-savings by:

– focusing on DFM to prolong mold-life;
– greatly simplifying assembly with DFA methodologies;
– modernizing aesthetics and usability to promote widespread adoptions;

I designed the cockpit and overhead extrusions that are installed on the current version of the Optimus bus.

Click to see write-up<\/a><\/p>\n\n\n\n

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<\/a><\/path><\/svg><\/span>Herringbone Planetary Gear Reduction <\/span><\/div>\n<\/div><\/div>\n\n\n\n

Designed and manufactured a compact torque multiplier with a 25:1 output that can:

– fit into a small cylinder;
– be fabricated and assembled in-place (laser sintered);
– transmit minimal axial load<\/p>\n\n\n\n

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\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n
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<\/a><\/path><\/svg><\/span>Room Reservations Web Application <\/span><\/div>\n<\/div><\/div>\n\n\n\n

Designed a JavaScript calendar app that is:

– easily integrated with google calendar events;
– able to display room reservations and allocations for up to any number of rooms;
– color similar events \/ hosts to easily identify resources;


Click to see in action<\/a><\/p>\n\n\n\n

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\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n
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<\/a><\/path><\/svg><\/span>Interactive Aquarium Exhibit <\/span><\/div>\n<\/div><\/div>\n\n\n\n

Led a team of intern-designers to build a hands-on museum exhibit that:

– explores “Sounds Under the Sea” ;
– is “Active & Prolonged Engagement”;
– is ruggedized for daily use;

Click to see write-up<\/a><\/p>\n\n\n\n

\n
\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n
\n
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<\/a><\/path><\/svg><\/span>Active Learning Maker Space<\/span><\/div>\n<\/div><\/div>\n\n\n\n

Designed a maker-space for a large university that is capable of:

– supporting 20+ hands-on classes;
– addressing the needs of 8,000+ engineering and arts students;
– existing on a diverse and faceted campus;

Click for more information:<\/a><\/p>\n\n\n\n

\n
\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n
\n
\n
<\/a><\/path><\/svg><\/span>Machine Management Application<\/span><\/div>\n<\/div><\/div>\n\n\n\n

Developed a desktop application in python and bash that can:

– allow \/ deny access to machines (3d printers, laser cutter, drill press, CNC, etc.) based on user training and certifications;
– manage the length of use, including integrated dead-man-switches;
– charge users based on amount of material used and length of use;<\/p>\n\n\n\n

\n
\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n
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<\/a><\/path><\/svg><\/span>Low Cost Sanitation<\/span><\/div>\n<\/div><\/div>\n\n\n\n

Designed a mass-produced, low cost toilet for under-developed regions that can:

– lowered manufacturing and shipping costs (stackable);
– lowered assembly costs (single piece, rotomolded design);
– lowered maintenance costs by using plastic and simplifying waste-removal ;

Read more…<\/a><\/p>\n\n\n\n

\n
\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n
\n
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<\/a><\/path><\/svg><\/span>Interactive Augmented Reality Aquarium Exhibit<\/span><\/div>\n<\/div><\/div>\n\n\n\n

Led a team of intern designer to build an interactive museum exhibit that:

– featured virtual and augmented reality experiences;
– provided “Active Prolonged Engagement” to museum visitors;
– is ruggedized for daily use and abuse by visitors of all ages;

Click for more information:<\/a><\/p>\n\n\n\n

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\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n
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<\/a><\/path><\/svg><\/span>Laptop Checkout Cabinet<\/span><\/div>\n<\/div><\/div>\n\n\n\n

Retrofitted a Commercial-Off-The-Shelf (COTS) laptop cabinet to automate check-in and check-out for 60 laptops by:

– designing a custom wiring harness to route power and logic to custom-made solenoids;
– designing accompanying software to provide access via RFID and magnetic stripe IDs;
– integrating alarms to train users to charge laptops on return;<\/p>\n\n\n\n

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\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n
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<\/a><\/path><\/svg><\/span>DeWald Designs LLC Website<\/span><\/div>\n<\/div><\/div>\n\n\n\n

Designed the WordPress (.org) website that you’re reading with a custom theme, custom JavaScript and custom CSS.<\/p>\n\n\n\n

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\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Designed a set of indexed bar-end shifters to be: – lightweight;– inexpensive;– customizable (# of speeds and cable-pull);– easy to assemble and install. Click to see write-up Worked with a team of engineers and designers to completely redesign a city-route bus to maximize cost-savings by: – focusing on DFM to prolong mold-life;– greatly simplifying assembly …<\/p>\n

Engineering Design portfolio<\/span> Read More »<\/a><\/p>\n","protected":false},"author":1,"featured_media":789,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"no-sidebar","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"yoast_head":"\nEngineering Design portfolio — DeWald Designs<\/title>\n<meta name=\"description\" content=\"Engineering design portfolio for DeWald Designs LLC including design examples for electro-mechanical, software, and project management.\" \/>\n<meta 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a set of indexed bar-end shifters to be: – lightweight;– inexpensive;– customizable (# of speeds and cable-pull);– easy to assemble and install. Click to see write-up Worked with a team of engineers and designers to completely redesign a city-route bus to maximize cost-savings by: – focusing on DFM to prolong mold-life;– greatly simplifying assembly…","_links":{"self":[{"href":"https:\/\/jdewald.com\/design\/wp-json\/wp\/v2\/pages\/1203"}],"collection":[{"href":"https:\/\/jdewald.com\/design\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/jdewald.com\/design\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/jdewald.com\/design\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jdewald.com\/design\/wp-json\/wp\/v2\/comments?post=1203"}],"version-history":[{"count":51,"href":"https:\/\/jdewald.com\/design\/wp-json\/wp\/v2\/pages\/1203\/revisions"}],"predecessor-version":[{"id":4170,"href":"https:\/\/jdewald.com\/design\/wp-json\/wp\/v2\/pages\/1203\/revisions\/4170"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jdewald.com\/design\/wp-json\/wp\/v2\/media\/789"}],"wp:attachment":[{"href":"https:\/\/jdewald.com\/design\/wp-json\/wp\/v2\/media?parent=1203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}