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Yingna Zhao on Muck Rack

Yingna Zhao

As seen in: Nature, Frontiers, MDPI
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Articles

Nonsingular fast terminal sliding mode control based on super-twisting finite-time ESO for aerospace electro-hydraulic load simulators under large loads

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By Yingna Zhao, Cheng Qiu, Jing Huang, Zheng Gong, Qifan Tan, Jinxin Li, Shuiming Wang, Fulong Sun
| Nature Verified
Abstract This paper proposes a finite-time disturbance rejection controller to address the force-tracking performance degradation of aerospace electro-hydraulic load simulators (EHLSs) under large loads, which is induced by inherent nonlinearities, uncertainties, and lumped disturbances.
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Development and validation of a fall health literacy scale for Chinese hospitals from the perspective of older adults

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By Ke Chen, Yingna Zhao, Lan Zhang, Ying Yao, Tianxin Miao, Liran Duan
| Frontiers
1Tianjin Medical University General Hospital, Tianjin, China 2Department of Emergency Medicine, General Hospital of Tianjin Medical University, Tianjin, China Background and aim: Health literacy plays an important role in assessing patients’ ability to receive information about falls and in educating patients about their health.
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Terminal Sliding Mode Force Control Based on Modified Fast Double-Power Reaching Law for Aerospace Electro-Hydraulic Load Simulator of Large Loads

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By Yingna Zhao, Cheng Qiu, Jing Huang, Qifan Tan
| MDPI
1. Introduction The servo system, as a fundamental component of the launch vehicle control system, regulates the flight attitude of the rocket by controlling the deflection angles of the engine nozzles. Hence, the servo actuator must exhibit a rapid dynamic response and strong anti-interference capabilities during rocket operations. To address this requirement, a load simulation system is employed to replicate the diverse load characteristics of the high-power control objects of the servomechanism.
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