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Dynamic characteristics of underframe semi-active inerter-based suspended device for high-speed train based on LQR control [PDF]

Bulletin of the Polish Academy of Sciences: Technical Sciences, 2022
The underframe passive inerter-based suspended device, based on the inerter-spring-damper vibration attenuation structure, could improve the dynamic performance of the train body, but its parameters are fixed and cannot meet the dynamic performance ...
Yong Wang, Hao-Xuan Li, Hao-Dong Meng, Yang Wang   +3 more
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Analysis on Vibration Characteristics and Suppression Strategy of Vehicle Mounted GPR Detection Device for Tunnel Lining

Machines, 2021
The GPR antenna is installed on the high-speed railway tunnel detection vehicle through the detection device to carry out non-contact nondestructive and rapid detection of the lining condition. Through simulation calculation and field vibration test data
Yang Lei, Yong Zou, Tian Tian, Falin Qi, Bo Jiang   +4 more
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A Review of Bioinspired Vibration Control Technology

Applied Sciences, 2021
Due to huge demand in engineering, vibration control technology and related studies have always been at the frontiers of research. Although traditional vibration control methods are stable and reliable, they have obvious shortcomings.
Xiaojie Shi, Tingkun Chen, Jinhua Zhang, Bo Su, Qian Cong, Weijun Tian   +5 more
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Semi-Active Vibration Control of Seat Suspension Equipped with a Variable Equivalent Inertance-Variable Damping Device

Machines, 2023
The seat suspension has a significant influence on riding comfort in many practical applications, such as heavy duty vehicles, military vehicles, and high-speed crafts.
Guangrui Luan, Pengfei Liu, Donghong Ning, Guijie Liu, Haiping Du   +4 more
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Study on vibration control system of structures based on magnetic levitation technology

Mechanical Engineering Journal, 2020
This study expresses a novel active vibration control method for structures by using magnetic levitation (MA-GLEV) technologies. When a vibration occurs, a developed MAGLEV device will repeat to levitate and contact to the ceiling of structures properly.
Changan JIANG, Satoshi UENO
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TECHNIQUES FOR VIBRATION RESISTANCE INCREASE OF QUARTZ PENDULUM ACCELEROMETER USING DIGITAL FEEDBACK [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2019
Subject of Research. The paper considers approaches of vibration resistance increasing for quartz pendulum accelerometer with digital feedback amplifier and without further development of measuring element design or application of damping measures ...
Artem Yu. Nikolaenko, Vyacheslav V. Skorobogatov   +1 more
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Design and Experiment of a Biomimetic Duckbill-like Vibration Chain for Physical Weed Control during the Rice Tillering Stage

Biomimetics, 2023
The widespread use of chemical herbicides has jeopardized concerns about food safety and ecological consequences. To address these issues and reduce reliance on chemical herbicides, a physical weed control device was developed for the tillering stage in ...
Longyu Fang, Xiwen Luo, Zaiman Wang, Wenwu Yang, Hui Li, Shiyu Song, Haoyang Xie, Jianhao Hu, Weiman Chen, Qinghai Liu   +9 more
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Nonlinear characterization of magnetorheological elastomer-based smart device for structural seismic mitigation

International Journal of Smart and Nano Materials, 2021
Magnetorheological elastomer (MRE) has been demonstrated to be effective in structural vibration control because of controllable stiffness and damping properties with the effect of external magnetic fields.
Yang Yu, Azadeh Noori Hoshyar, Huan Li, Guang Zhang, Weiqiang Wang   +4 more
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Effect of the area of a lithium niobate transducer on the efficiency of ultrasonic atomization driven by resonance vibration

Ultrasonics Sonochemistry, 2022
In recent years, individual control of one’s personal environment has been drawing increasing attention due to the growing interest in health care. Wearable devices are especially useful because of their controllability regardless of location.
Keisuke Yoshioka, Yuta Kurashina, Ami Ogawa, Takumi Asakura   +3 more
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Damping force switching type electromagnetic damper using relay and capacitor

Nihon Kikai Gakkai ronbunshu, 2022
In general, semiactive dampers have high performance of vibration control compared to passive dampers, but in order to adjust an optimized damping force for the damper, several condition of vibration systems, such kind of force, acceleration and ...
Taichi MATSUOKA, Taichi NAKAZAWA
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