Taking that value (low noise) a step further, translating critical system-level criteria, such as pointing accuracy, into noise metrics that are commonly available in MEMS gyroscope data sheets, is a very important part of early conceptual and architectural work. Therefore, low noise is a natural, guiding value for system architects and developers as they define and develop new motion control systems. In this type of function, noise in the angular rate signals (MEMS gyroscope output) can have a direct influence over critical system behaviors, such as platform stability, and is often the defining factor in the level of precision that a control system can support. MEMS gyroscopes offer a simple way to measure the angular rate of rotation in packages that easily attach to printed circuit boards, so they are a popular choice to serve as the feedback sensing element in many different types of motion control systems. Designing for Low Noise Feedback Control with MEMS Gyroscopes
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