Lithium-Ion Battery Simulation for Greener Ford Vehicles

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➮ Cov ToC + – A ➭ 28 CN MatWeb Ad 2011.indd 28 5/13/11 1:20 PM
mEdiCal Scientific & Biomedical microSyStemS llc, columBia, md Multiphysics Modeling Gives Developer of Small, Low-Power Biomedical Devices a Competitive Edge Enables better, faster analysis of tightly coupled physical domains. By Gary DaGastine, tech Briefs MeDia Group miniaturized biomedical products such as implants, tiny scientific instruments and point-of-use medical devices are giving doctors exciting new diagnostics, monitoring and treatment options. Better imaging, precise delivery of medicines to specific body regions and mechanical augmentation of organ functions are just some of the ways these technologies are helping to advance the practice of medicine and human health. Yet these products are complex and their development poses a host of vexing design challenges, not the least of which are the need for adequate power supplies and the diversity and variability of human tissue in which the devices must operate. These are precisely the types of challenges that Scientific & Biomedical Microsystems LLC of Columbia, MD is focused on, with core capabilities that include micro-electro-mechanical systems (MEMS), microfluidics, embedded systems, precision machining, biosensors and wireless sensor networks. SB Microsystems provides a full scope of early-stage product development services to customers who are developing new biomedical products, from concept development and detailed design all the way through to prototype fabrication, figure 1. the scientific & Biomedical Microsystems team includes (clockwise from lower left) Jennette Mateo, physicist; Brian Barbarits, electrical engineer; Brian Jamieson phD., president; rohan pais, mechanical engineer; chintan parekh, electrical engineer; anik Duttaroy, mechanical engineer; and andrea pais, process engineer. test, and manufacturing. The company’s capability to span this entire range sets it apart from competitors, which tend to be either R&D services firms lacking the ability to do miniaturization, or MEMS foundries which are mainly focused on production (Figure 1). “ much of our customer base consists of startup companies, and their whole value proposition is to get to market first.” COMSOL Multiphysics is a key enabler of the company’s business strategy. “Much of our customer base consists of startup companies, and their whole value proposition is to get to market first,” said Brian Jamieson, President of SB Microsystems. “The integrated, expert multiphysics modeling and simulation capabilities of COMSOL Multiphysics give us the capability to help them accelerate the product development process, to keep costs low and to meet their goals.” Acoustic Data Communications Channel A case in point is a project to design and build a high data-rate intrabody acoustic communications channel and 360° scanning imager for Innurvation, Inc., a developer of improved diagnostic tools for diseases and disorders of the gastrointestinal tract. SB Microsystems and Innurvation have developed the first working prototypes of an acoustic channel that will initially be used for capsule endoscopy. That is, to build a better imaging pill for bowel screening. The major system elements are the imaging pill itself; a portable data controller with sensors that stick to the abdomen and resemble EKG pads and leads; and software for data analysis (Figure 2). The pill is swallowed by a patient after appropriate preparation prior to the procedure. As it travels through the gastrointestinal tract, it will continuously capture images using the scanning imager. This data then will be transferred to the data controller via the acoustic communications channel. The data controller is a small, lightweight device worn by the patient throughout the procedure. It stores the data on a memory card, then transmits it via cellular technology to an Internetbased server which the doctor can log into immediately in order to review the results. The system employs acoustic waves for intrabody data transmission. RF technology is the traditional method used for this, C o m s o l N E W s 2 0 1 1 // 2 9 ➮ Cov ToC + – A ➭ 29-31 CN SBMicrosystems 2011.indd 29 5/13/11 10:11 AM
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Lithium-Ion Battery Simulation for Greener Ford Vehicles

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