Method and system for a feedback controller for a handheld tool
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United States of America Patent
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Dec 1, 2020
Grant Date -
Mar 1, 2018
app pub date -
Aug 29, 2016
filing date -
Aug 29, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and methods for tracking unintentional muscle movements of a user and stabilizing a handheld tool while it is being used are described. The method may include measuring, with a first inertial measuring unit (“IMU”), at least an orientation of a housing of the handheld tool, and measuring, with a second IMU, at least an orientation or an attachment arm extending from the housing of the handheld tool. The method may also include storing the orientation of the housing and the orientation of the attachment arm in a memory. Furthermore, the method may include controlling, with a processing logic, a first motion generating mechanism and a second motion generating mechanism to move the attachment arm relative to the housing based on the measured orientation of the housing and the measured orientation of the attachment arm to stabilize motion of a user-assistive device attached to a distal end of the attachment arm.
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International Classification(s)
- A61F:FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES....
- G05B:CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTION....
- A61B:DIAGNOSIS; SURGERY; IDENTIFICATION
- G01C:MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING....
- F16F:SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRAT....
- A47G:HOUSEHOLD OR TABLE EQUIPMENT
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