{"id":2175,"date":"2005-01-15T23:46:56","date_gmt":"2005-01-16T04:46:56","guid":{"rendered":"https:\/\/engineering.jhu.edu\/magazine-archive\/?p=2175"},"modified":"2014-12-15T23:48:07","modified_gmt":"2014-12-16T04:48:07","slug":"student-inventors-compete-singapore","status":"publish","type":"post","link":"https:\/\/engineering.jhu.edu\/magazine-archive\/2005\/01\/student-inventors-compete-singapore\/","title":{"rendered":"Student Inventors Compete in Singapore"},"content":{"rendered":"

Their low-cost cushion with sensors to prompt better posture proves they\u2019re no slouches when it comes to ingenuity.<\/strong><\/p>\n

\"Taking<\/a>
Taking third place in the annual Business Plan Competition on campus last April prompted three Biomedical Engineering seniors to try their luck internationally. Presenting their plan for IPAC (Interactive Posture Analyzing Cushion) are (from left) Elbert Hu, Bhuvan Srinivasan, and Yen Shi Gillian Hoe. In Singapore, they had to hustle when their business modeling software locked up.<\/strong><\/figcaption><\/figure>\n

\u201cI\u2019m one of those people whose mother was always telling them to sit up straight,\u201d laughs Yen Shi Gillian Hoe \u201904. That is exactly what judges did at the international Start-Up @ Singapore business competition (www.startup.org.sg\/<\/strong>) last May when she and fellow inventors Bhuvan Srinivasan \u201904 and Elbert Hu \u201904 unveiled their plan. Their project, the Interactive Posture Analyzing Cushion (IPAC), is an innovative\u2014 and elegantly simple\u2014device for improving and maintaining good posture.<\/p>\n

As Biomedical Engineering seniors at the Whiting School of Engineering, the three first teamed up during a January 2004 Intersession course called \u201cHonors Instrumentation.\u201d They had three weeks to design, research, and build a prototype of a functional medical device.<\/p>\n

Using easy-to-buy, energy-efficient parts, the IPAC was, according to Hu, designed to fit a niche between \u201cexpensive ergonomic chairs and non-interactive software alarm systems\u201d currently available for improving posture. According to their IPAC business presentation, 80 percent of Americans experience back pain, and ergonomic hazards account for 35 percent of the Department of Defense\u2019s $600 million bill for civilian workers\u2019 compensation.<\/p>\n

Says Hoe, \u201cKnowing what we did about sensors, we figured we could create a device that doesn\u2019t force you into a posture, as expensive chairs do. We were looking for a less expensive and more flexible solution.\u201d The resulting device features a seat and back cushion with built-in sensors and microcircuitry that wirelessly communicates with a tabletop box with LED displays. The displays alert users when their posture is poor and when they need to get up and stretch.<\/p>\n

After the IPAC won \u201cbest in class\u201d for technical excellence, the team was encouraged to develop a business plan for transforming its good idea into a great product. Their plan took third place in the annual Business Plan Competition sponsored by the Center for Leadership Education, and at the Greater Baltimore Technology Council Mosh Pit business plan competition. With support from Murray B. Sachs, Massey Professor and director of the Whitaker Biomedical Engineering Institute at Hopkins, the team decided to search for more competitions to test its idea.<\/p>\n

\u201cWe looked on the web and found tons\u201d of international venues, explains Srinivasan. \u201cThe one that was closest to the time we were working on the device was Start-Up @ Singapore. The top prize was $30,000, and that was very interesting,\u201d he says. The competition attracts college teams, start-up companies, and others.<\/p>\n

Their team applied and made the semifinals at the international competition. That\u2019s when Biomedical Engineering really backed them. According to Hu, \u201cThere is no way we could have gone with- out the department. They paid for our airplane tickets, and they were all so supportive.\u201d<\/p>\n

Preparing for a competition on campus or in town is one thing. \u201cWhen it came to going all the way to Singapore, presenting in front of judges we had never met, it was like being thrown out of our cocoon,\u201d says Srinivasan. \u201cIf it had not been so extremely exciting, I would have broken down from nervousness.\u201d All of them had been in Singapore before. Srinivasan, a native of India, attended high school in Singapore, where his parents still live. Hoe was born there but grew up in the Philippines. Hu was born in America but lived for many years in Taiwan, where his family is from. He had visited Singapore \u201conce or twice for track meets during high school,\u201d he says.<\/p>\n

During their whirlwind trip halfway across the globe, they had little time to be nervous. According to Srinivasan, whose mom and dad provided them with lodgings in Singapore, \u201cTo this day, my parents claim they never saw me in May…and that I still owe them a visit.\u201d<\/p>\n

\u201cRight after finals,\u201d Hu relates, \u201cwe hopped on the plane to Singapore.\u201d They missed Senior Week\u2019s activities, but he wouldn\u2019t have had it any other way.<\/p>\n

\"Slides<\/a>
Slides from the three students\u2019 PowerPoint\u00ae tell of the technology behind their interactive cushion. It can be retrofitted to chairs instead of having to buy expensive ergonomic ones. Its \u201cfriendly feedback\/reminders\u201d can help office workers prevent lower back pain, the second leading cause of absenteeism from work.<\/strong><\/figcaption><\/figure>\n

Every minute leading up to their presentation, they continued to work on getting it together and refining their ideas. \u201cThere was not much time for sightseeing,\u201d Hu explains. \u201cWe had heard the judges were very interested in biotechnology because Singapore is seeking to become a hub of biotech for Southeast Asia. We were working on ways to push those aspects of the plan.\u201d<\/p>\n

As they hurried to make final changes in the last hours before their presentation for the panel of judges, they experienced every high-tech visionary\u2019s worst nightmare.<\/p>\n

\u201cWe were finishing up at sunrise,\u201d Hu recalls. \u201cWe kept thinking of more ways to sell the product and target additional customers. We developed multiple versions of the product for corporate customers and individual customers. The plan was getting more complicated and branching out.\u201d Srinivasan was crunching numbers as Hoe created new PowerPoint\u00ae slides to explain the charts and graphs. Then their business modeling software locked up. There was nothing to do but reboot, which dumped all of the valuable statistics, charts, and graphs.<\/p>\n

\u201cWhat had taken us days to create, we had to put back together in less than one hour.\u201d Elbert Hu \u201904<\/cite><\/strong><\/p><\/blockquote>\n

\u201cBhuvan maintained his calm,\u201d Hu says. \u201cWhat had taken us days to create, we had to put back together in less than one hour.\u201d The final half-hour before their appearance, they were at Srinivasan\u2019s father\u2019s office, plugging in the last figures, adding new information, and frantically finishing slides. \u201cAnd then we ran to the competition with the presentation completely recreated,\u201d he recalls.<\/p>\n

In the end, their IPAC idea did not win the top prize. Hu spec- ulates that this might have been because \u201cAsian audiences don\u2019t really have the regulatory climate that we have here, so apprecia- tion of the importance of the IPAC\u201d may not have been as great as the team anticipated.<\/p>\n

But the experience was not wasted on the participants. Hoe says, \u201cWe all had a great time and truly appreciate the University\u2019s sponsoring us. It feels like they really want to support new ideas, that they encourage students to extend themselves just as far as they will go.\u201d<\/p>\n

All three demonstrated their ingenuity with other projects as well. Hu and Hoe (now graduate students in the Whiting School) as undergraduates were part of a Whiting School student team that invented a medical device to precisely measure the conductivity of a pregnant woman\u2019s cervical tissue, thus preventing premature delivery. Hoe also was on the student design team that invented an unobtrusive wireless device to measure the amount of force a physician or midwife uses in delivering a baby. Now being tested at the Johns Hopkins Hospital, the device could help identify the safest method for delivery in complicated births. And Srinivasan was part of student research team that mapped the interaction of molecules within a cardiac cell; understanding these microscopic movements could lead to predictions of what\u2019s happening in the heart. The students presented their findings at two prestigious computational biology conferences. Srinivasan was delighted to find how much support Hopkins gives to undergraduates who undertake research.<\/p>\n","protected":false},"excerpt":{"rendered":"

Their low-cost cushion with sensors to prompt better posture proves they\u2019re no slouches when it comes to ingenuity. \u201cI\u2019m one of those people whose mother was always telling them to sit up straight,\u201d laughs Yen Shi Gillian Hoe \u201904. That is exactly what judges did at the international Start-Up @ Singapore business competition (www.startup.org.sg\/) last…<\/p>\n","protected":false},"author":4,"featured_media":2176,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[77],"tags":[],"class_list":["post-2175","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-making-waves","issue-winter-2005"],"acf":[],"yoast_head":"\nStudent Inventors Compete in Singapore - JHU Engineering Magazine<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/engineering.jhu.edu\/magazine-archive\/2005\/01\/student-inventors-compete-singapore\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Student Inventors Compete in Singapore - JHU Engineering Magazine\" \/>\n<meta property=\"og:description\" content=\"Their low-cost cushion with sensors to prompt better posture proves they\u2019re no slouches when it comes to ingenuity. \u201cI\u2019m one of those people whose mother was always telling them to sit up straight,\u201d laughs Yen Shi Gillian Hoe \u201904. 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