Electromagnetic Model of Linear Resonant Actuators

被引：1

作者：

Sorensen, Khalid ^{[1
]}

Schmidt, Ryan ^{[2
]}

Jenkins, Alison ^{[2
]}

Lyman, Colin ^{[2
]}

Singhose, William ^{[2
]}

Schlagenhauf, Franziska ^{[1
]}

Dobson, Kelly ^{[1
]}

机构：

[1] Google LLC, Mountain View, CA 94043 USA

[2] Georgia Inst Technol, Woodruff Sch Mech Engn, Atlanta, GA 30332 USA

来源：

JOURNAL OF DYNAMIC SYSTEMS MEASUREMENT AND CONTROL-TRANSACTIONS OF THE ASME | 2023年 / 145卷 / 05期

关键词：

DESIGN;

D O I：

10.1115/1.4056988

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Linear resonant actuators (LRAs) are used extensively in consumer electronic devices such as cell phones and fitness trackers to provide haptic signals to users. This work presents a dynamic model of LRAs based, principally, on the electromagnetic aspects of the these devices. The model predicts that the natural frequency exhibited by an LRA can deviate significantly from that predicted by conventional spring-mass-damper dynamic models. Preliminary experimental results appear to support theoretical findings.

引用

页数：9

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