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openalexScientific Reports2026-07-26

Adaptive navigation control of a bionic robotic fish in complex Karman vortex street flow fields using an LSTM-DDPG hybrid strategy

Changhui Zheng, Peigang Jiao, Honghao Xu, Yiheng Zhang, Jiaxin Shi

Bionic robotic fish suffer from poor navigation robustness, high energy consumption, and control lag in unsteady Karman vortex street flow fields. This study proposes a hybrid adaptive navigation strategy combining long short-term memory (LSTM) and deep deterministic policy gradi…

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openalexScientific Reports2026-07-26

Longitudinal digital speech assessment in progressive supranuclear palsy

Kyurim Kang, İlkay Yıldız Potter, Ram Kinker Mishra, Rylee Cole, Tejas Pawar, Charlie W. Zhao, et al.

Thirty-two native English-speaking individuals with probable progressive supranuclear palsy-Richardson’s syndrome (PSP-RS) were followed for up to 12 months with clinical and digital speech assessments every 3 months. Speech features from reading a standard passage and sustained…

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openalexScientific Reports2026-07-26

A novel dual-section geothermal–parabolic trough multigeneration system for sustainable energy supply optimized via Grey Wolf Optimizer

Yingtao Xu, Ahmed Mohsin Alsayah, Parisa Gholampour

One of the major global challenges in the energy sector is the sustainable production of electricity, freshwater, and heating with minimal environmental impact. Although renewable-based multigeneration systems have received considerable attention, integrating stable hybrid renewa…

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