Dean Andersen, Abbott Labs
Model-Based Design provides a path from algorithm to hardware implementation for implantable medical products at Abbott Labs.
Published: 28 Sep 2020
Today's pacemaker is a really sophisticated embedded system. Pacemakers today really adapt to the patient's needs. We sense if the person is moving around, so we have multiple sensors inside there. We want to emulate what a real heart rate does. If you get up and start walking briskly or go for a run, well, the pacemaker senses that, and it'll start beating your heart faster.
So as these devices adapt to patients, there's literally hundreds of parameters that need to be set up and tailored for the individual patient. And that's really what's driving the next generation devices, is just more sophisticated features, more sophisticated signal processing algorithms, and things like that. And this is a great environment for Simulink.
Simulink provides that framework for you, and it really shines nicely, especially when it comes to mixed signal designs, because it offers that bridge between analog and digital design, and it's familiar to both the analog and digital designers.
So it is a bit of an iterative process, but it's typically a process you can refine fairly quickly. And we've developed a flow that we think is very straightforward to getting both power optimisation, as well as performance, using one model, one golden model, and that's the Simulink model.
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