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Zhixiong Jiang, Kihong Park and Sangmoon Hwang
This study proposes a novel magnetic circuit design to reduce the size of horizontal linear vibration motors (HLVMs) used in vehicle touchscreens. The HLVM prototype uses two thick permanent magnets to create a magnetic circuit below the voice coil; howe...
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Cheng-Che Tsai, Sheng-Yuan Chu, Wei-Hsiang Chao and Cheng-Shong Hong
In this work, a cylindrical lead-free rotary-linear ultrasonic motor was attached to piezoelectric plates of MnO2-doped (Ba0.97Ca0.03)(Ti0.96Sn0.005Hf0.035)O3 ceramics using the first bending vibration to pull a thread output shaft of the interior of a s...
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Mei Zhao, Yihao Li, Sicheng Zuo, Pingpeng Tang, Tong Yao, Huaqiang Zhang and Shunjie Wu
A transverse flux linear motor is a special type of linear motor with a high thrust force density, and it has broad application prospects in the field of linear direct-drive systems. In the process of oil production, the vibration of the linear motor pos...
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Pawel Orkisz and Bogdan Sapinski
The study aimed to present the features of a 2-DOF vibration reduction system (VRS) equipped with a linear electrodynamic motor in passive, semi-active and active mode. At first, the VRS model was formulated. Then, simulation tests of the VRS were conduc...
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Xuezhen Wang, Feixue Chen, RenFeng Zhu, Xiaolu Huang, Na Sang, Guilin Yang and Chi Zhang
In high-end testing and manufacturing equipment, a trend exists whereby the traditional servo feed system with a ball screw and rotary motor will gradually be replaced by a direct drive system. The precision motion system driven by a permanent magnet lin...
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Xin Wang, Xiaolu Wang, Zhao Xue, Peng Guo and Shuai Liu
There are some disadvantages of a traditional AC-induced motor or hydraulic cylinder-based aircraft cargo door actuator (CDA), such as strong stopping shock, big slippage, high power, or current demand. To solve these problems, a permanent magnet synchro...
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Hangyu Rao, Naige Wang and Rui Du
In this paper, we investigated the cascade controller of a motor-driven deep-sea robot cable system (MDRCS), which consists of the outer loop system and the inner loop system connected by a motor thrust with unknown factors, typically forming a crucial p...
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Seongkyu Chang
An active mass damper (AMD) was developed that uses a linear motor and coil spring to reduce the vertical vibration of a long-period cable-stayed bridge subjected to wind and earthquake loads. A scaled-down bridge model and AMD were fabricated, and the c...
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Dong-Woon Choi, Cho-Won Lee, Duk-Yeon Lee, Dong-Wook Lee and Han-Ul Yoon
This paper presents the bio-mimetic design approach, the dynamic model, and potential applications for a hybrid soft actuator. The proposed hybrid soft actuator consists of two main parts: a cylinder-shaped rigid core and soft silicone spikes wrapped aro...
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Sijia Shao, Shengjun Shi, Weishan Chen, Junkao Liu and Yingxiang Liu
A modified large thrust ultrasonic linear motor using a T-shape configuration composed of two orthogonal sandwich-type transducers has been proposed in this paper. It is an improved version of a previous T-shape motor. The vertical transducer is used to ...
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Young-Jun Kim, Youngil Sohn, Sehyun Chang, Seung-Bok Choi and Jong-Seok Oh
In-wheel motor vehicles are gaining attention as a new type of electric vehicle due to their efficient power units located inside each wheel hub. However, they are more susceptible to wheel resonance due to the increase in unsprung mass caused by the wei...
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Arturo Yosimar Jaen-Cuellar, Miguel Trejo-Hernández, Roque Alfredo Osornio-Rios and Jose Alfonso Antonino-Daviu
Kinematic chains are ensembles of elements that integrate, among other components, with the induction motors, the mechanical couplings, and the loads to provide support to the industrial processes that require motion interchange. In this same line, the i...
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Hengyu Li, Liang Wang, Tinghai Cheng, Meng He, Hongwei Zhao and Haibo Gao
A high-thrust screw-type piezoelectric ultrasonic motor with a three-wavelength exciting mode is proposed in this paper. The motor mainly includes a stator and a screw output shaft, and the stator is composed of twelve rectangular piezoelectric plates an...
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