10 Result(s)

Article

Nonmasking-based reservoir computing with a single dynamic memristor for image recognition

Reservoir computing has been widely used in temporal information processing, and the presentation of time-delayed reservoir computing systems effectively reduces the difficulty of the physical implementation o...

**aona Wu, Zhuosheng Lin, **gliang Deng, Jia Li, Yue Feng in Nonlinear Dynamics (2024)

Article

Vibration suppression of welding robot based on chaos-regression tree dynamic model

A torque feedforward vibration suppression tactic, premised on the chaotic-regression tree dynamic model, is proposed to enhance the precision of motion in welding robots during low-velocity movement and to cu...

Bingqi Jia, Lin Chen, Lei Zhang, Yingdong Fu, Qing Zhang, Haihong Pan in Nonlinear Dynamics (2024)

Article

The spatiotemporal transmission dynamics of COVID-19 among multiple regions: a modeling study in Chinese provinces

Current explosive outbreak of COVID-19 around the world is a complex spatiotemporal process with hidden interactions between viruses and humans. This study aims at clarifying the transmission patterns and the ...

Qiaojuan Jia, Jiali Li, Hualiang Lin, Fei Tian, Guanghu Zhu in Nonlinear Dynamics (2022)

Article

Estimation of COVID-19 outbreak size in Harbin, China

Since the first level response to public health emergencies was launched on January 25, 2020, in Heilongjiang province, China, the outbreak of COVID-19 seems to be under control. However, an outbreak of COVID-...

Haitao Song, Zhongwei Jia, Zhen **, Shengqiang Liu in Nonlinear Dynamics (2021)

Article

Modeling and prediction of the transmission dynamics of COVID-19 based on the SINDy-LM method

The transmission dynamics of COVID-19 is investigated in this study. A SINDy-LM modeling method that can effectively balance model complexity and prediction accuracy is proposed based on data-driven technique....

Yu-**n Jiang, **ong **ong, Shuo Zhang, Jia-**ang Wang, Jia-Chun Li… in Nonlinear Dynamics (2021)

Article

Using traveller-derived cases in Henan Province to quantify the spread of COVID-19 in Wuhan, China

Wuhan shutdown was implemented on January 23 and the first level response to public health emergencies (FLRPHE) was launched over the country, and then China got the outbreak of COVID-19 under control. A mathe...

Haitao Song, Feng Li, Zhongwei Jia, Zhen **, Shengqiang Liu in Nonlinear Dynamics (2020)

Article

Erratum to: Elastic dynamic analysis of synchronous belt drive system using absolute nodal coordinate formulation

Shuai Shuai Jia, Yi Min Song in Nonlinear Dynamics (2015)

Article

Conformal invariance and conserved quantity of Mei symmetry for Appell equations in a nonholonomic system of Chetaev’s type

For a nonholonomic system of Chetaev’s type, the conformal invariance and the conserved quantity of Mei symmetry for Appell equations are investigated. First, under the infinitesimal one-parameter transformati...

Yaoyu Zhang, Fang Zhang, Yuelin Han, Liqun Jia in Nonlinear Dynamics (2014)

Article

Special Lie symmetry and Hojman conserved quantity of Appell equations for a Chetaev nonholonomic system

A special Lie symmetry and Hojman conserved quantity of the Appell equations for a Chetaev nonholonomic system are studied. The differential equations of motion and Appell equations of the Chetaev nonholonomic...

Yuelin Han, **aoxiao Wang, Meiling Zhang, Liqun Jia in Nonlinear Dynamics (2013)

Article

Lie symmetry and approximate Hojman conserved quantity of Appell equations for a weakly nonholonomic system

For a weakly nonholonomic system, the Lie symmetry and approximate Hojman conserved quantity of Appell equations are studied. Based on the Appell equations for a weakly nonholonomic system under special infini...

Yuelin Han, **aoxiao Wang, Meiling Zhang, Liqun Jia in Nonlinear Dynamics (2013)