{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T12:53:37Z","timestamp":1753880017008,"version":"3.41.2"},"reference-count":26,"publisher":"ASME International","issue":"9","license":[{"start":{"date-parts":[[2022,3,30]],"date-time":"2022-03-30T00:00:00Z","timestamp":1648598400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.asme.org\/publications-submissions\/publishing-information\/legal-policies"}],"content-domain":{"domain":["asmedigitalcollection.asme.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2022,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Tremor is a semirhythmic oscillatory movement of a body part caused by alternating simultaneous contractions of an antagonistic muscle group. Medical and surgical treatments used to reduce the symptoms of involuntary tremor can cause negative side effects. This study examined the ability of passive vibration absorbers in reducing the amplitude of postural tremor (PT). Inertial measurement unit (IMU) was used to record PT signals at the forearm and hand of a patient. IMU signal was used to excite an upper limb modeled to represent the flexion\u2013extension vibrational motion at the joints. Equations of motion were solved numerically to obtain a response that fits the measured tremor signal. Passive tuned mass damper (TMD) was modeled as a cantilever beam and a screw placed along its length, at a position reflecting its operational frequency. Natural frequency of the TMD was derived for different mass positions and validated numerically and experimentally. Modal damping ratio of the TMD, for each mass position, was also estimated. Mass position and damping coefficient of the TMD were optimized depending on the minimization in the power spectral density (PSD) of angular displacement amplitude at the wrist joint. Optimized three-TMD system of 28.64\u2009g total effective mass with the estimated modal damping ratio reduced 83.1% of the PSD of the angular displacement amplitude. This study showed the performance ability of a lightweight passive absorber in controlling the involuntary tremor of a system excited by the measured tremor signal of a patient.<\/jats:p>","DOI":"10.1115\/1.4053998","type":"journal-article","created":{"date-parts":[[2022,3,3]],"date-time":"2022-03-03T06:27:59Z","timestamp":1646288879000},"update-policy":"https:\/\/doi.org\/10.1115\/crossmarkpolicy-asme","source":"Crossref","is-referenced-by-count":0,"title":["Design and Simulation of a Passive Absorber to Reduce Measured Postural Tremor Signal"],"prefix":"10.1115","volume":"144","author":[{"given":"Sarah","family":"Gebai","sequence":"first","affiliation":[{"name":"Lab Navier, Univ Gustave Eiffel, ENPC, CNRS, Marne-la-Vall\u00e9e F-77447, France; Structure Dynamics and Materials and LIBRA Research Groups, Department of Mechanical Engineering, International University of Beirut, Mazraa, Beirut 146404, Lebanon"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gwendal","family":"Cumunel","sequence":"additional","affiliation":[{"name":"Lab Navier, Univ Gustave Eiffel, ENPC, CNRS, Marne-la-Vall\u00e9e F-77447, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohammad","family":"Hammoud","sequence":"additional","affiliation":[{"name":"Structure Dynamics and Materials and LIBRA Research Groups, Department of Mechanical Engineering, International University of Beirut, Mazraa, Beirut 146404, Lebanon; School of Engineering, Lebanese International University LIU,Bekaa 146404, Lebanon"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gilles","family":"Foret","sequence":"additional","affiliation":[{"name":"Lab Navier, Univ Gustave Eiffel, ENPC, CNRS, Marne-la-Vall\u00e9e F-77447, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Emmanuel","family":"Roze","sequence":"additional","affiliation":[{"name":"Facult\u00e9 de M\u00e9decine de Sorbonne Universit\u00e9, UMR S 1127, Inserm U 1127, UMR CNRS 7225, Institut du Cerveau et de la Mo\u00eblle \u00e9pini\u00e8re, Paris F-75013, France; D\u00e9partement de Neurologie, H\u00f4pital Piti\u00e9-Salp\u00eatri\u00e8re, AP-HP, Paris F-75651, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elodie","family":"Hainque","sequence":"additional","affiliation":[{"name":"Facult\u00e9 de M\u00e9decine de Sorbonne Universit\u00e9, UMR S 1127, Inserm U 1127, UMR CNRS 7225, Institut du Cerveau et de la Mo\u00eblle \u00e9pini\u00e8re, Paris F-75013, France; D\u00e9partement de Neurologie, H\u00f4pital Piti\u00e9-Salp\u00eatri\u00e8re, AP-HP, Paris F-75651, France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"33","published-online":{"date-parts":[[2022,3,30]]},"reference":[{"issue":"11","key":"2022033015161886000_bib1","doi-asserted-by":"crossref","first-page":"3423","DOI":"10.1007\/s10439-010-0098-z","article-title":"Investigation of Age-Related Changes in Physiological Kinetic Tremor","volume":"38","year":"2010","journal-title":"Ann. 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