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Device for Measuring a Distribution of Pressure Across a Surface and Calibrating the Measurement using a Total Mass Measurement
专利权人:
David R. Hall;K. Jeffrey Campbell;Jared Reynolds;Vivek Garg;Joshua Larsen
发明人:
David R. Hall,K. Jeffrey Campbell,Joshua Larsen,Jared Reynolds,Vivek Garg
申请号:
US16173171
公开号:
US20200132539A1
申请日:
2018.10.29
申请国别(地区):
US
年份:
2020
代理人:
摘要:
The device includes a pressure-sensing pad which measures a load distribution across its surface and a rigid layer which measures total mass. The mass measurement may be used as a ground-truth measurement with which to calibrate the measurements collected by the pressure-sensing pad. Accordingly, a more accurate pressure distribution may be created using calibrated pressure distribution data. The pressure-sensing pad may include an array of sensors which may be in connection with a flexible layer. When pressure is applied to any of the sensors within the array of sensors, the flexible layer may compress and change the capacitance at the sensors on which the pressure is applied. The rigid layer may include strain gauges which measure the total mass on the device. A controller may include instructions for performing calculations to convert the measurements into a pressure map using calibrated measurements of the pressure distribution across the pressure-sensing pad.
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