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  1. No Access

    Article

    An inertial Fletcher–Reeves-type conjugate gradient projection-based method and its spectral extension for constrained nonlinear equations

    In this paper, we initially enhance the Fletcher–Reeves (FR) conjugate parameter through a shrinkage multiplier, leading to a derivative-free two-term search direction and its extended spectral version. The re...

    Haiyan Zheng, Jiayi Li, Pengjie Liu… in Journal of Applied Mathematics and Computi… (2024)

  2. No Access

    Article

    A family of three-term conjugate gradient projection methods with a restart procedure and their relaxed-inertial extensions for the constrained nonlinear pseudo-monotone equations with applications

    Al-Baali et al. (Comput. Optim. Appl. 60:89–110, 2015) have proposed a three-term conjugate gradient method which satisfies a sufficient descent condition and global convergence. In this paper, we extend this met...

    Pengjie Liu, Hu Shao, Zihang Yuan, **aoyu Wu, Tianlei Zheng in Numerical Algorithms (2023)

  3. No Access

    Article

    An Inertial Spectral CG Projection Method Based on the Memoryless BFGS Update

    Combining the derivative-free projection with inertial technique, we propose a hybrid inertial spectral conjugate gradient projection method for solving constrained nonlinear monotone equations. The conjugate ...

    **aoyu Wu, Hu Shao, Pengjie Liu… in Journal of Optimization Theory and Applications (2023)

  4. Article

    Open Access

    Operando monitoring of thermal runaway in commercial lithium-ion cells via advanced lab-on-fiber technologies

    Operando monitoring of complex physical and chemical activities inside rechargeable lithium-ion batteries during thermal runaway is critical to understanding thermal runaway mechanisms and giving early warning...

    Wenxin Mei, Zhi Liu, Chengdong Wang, Chuang Wu, Yubin Liu… in Nature Communications (2023)

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  5. No Access

    Article

    Advances in the molecular mechanism and targeted therapy of radioactive-iodine refractory differentiated thyroid cancer

    Most patients with differentiated thyroid cancer have a good prognosis after radioactive iodine-131 treatment, but there are still a small number of patients who are not sensitive to radioiodine treatment and ...

    Lu Zhang, Zhi Li, Meng Zhang, Huangren Zou, Yuke Bai, Yanlin Liu… in Medical Oncology (2023)

  6. No Access

    Article

    Seformer: a long sequence time-series forecasting model based on binary position encoding and information transfer regularization

    Long sequence time-series forecasting (LSTF) problems, such as weather forecasting, stock market forecasting, and power resource management, are widespread in the real world. The LSTF problem requires a model ...

    Pengyu Zeng, Guoliang Hu, **aofeng Zhou, Shuai Li, Pengjie Liu in Applied Intelligence (2023)

  7. No Access

    Article

    The Efficiency of Perfluorohexanone on Suppressing Lithium-Ion Battery Fire and Its Device Development

    At present, lithium-ion batteries (LIBs) with excellent performance have attracted the attention of the industry, but there are still many fire and explosion risks, threatening the safety of human life and pro...

    Chuang Liang, Kaiqiang **, Pengjie Liu, Chengdong Wang, Jiajia Xu… in Fire Technology (2023)

  8. No Access

    Article

    Thermal Runaway and Fire Behaviors of Lithium Iron Phosphate Battery Induced by Overheating and Overcharging

    Lithium ion batteries (LIBs) have become the dominate power sources for various electronic devices. However, thermal runaway (TR) and fire behaviors in LIBs are significant issues during usage, and the fire ri...

    Pengjie Liu, Shi Li, Kaiqiang **, Weidong Fu, Chengdong Wang… in Fire Technology (2023)

  9. No Access

    Article

    Experimental Study on Combustion Characteristics of Electrolytes and Slurries for Semi-Solid Lithium-ion Flow Battery

    Semi-solid lithium-ion flow battery (SSLFB) is a promising candidate in the field of large-scale energy storage. However, as a key component of SSLFB, the slurry presents a great fire hazard due to the extreme...

    Yuhang Hu, Siyuan Cheng, Pengjie Liu, Jiaqing Zhang, Qiangling Duan… in Fire Technology (2023)

  10. No Access

    Article

    An accelerating algorithm for maximum shortest path interdiction problem by upgrading edges on trees under unit Hamming distance

    Zhang et al. (Optim. Lett. 15(21):2661–2680, 2021) investigated the maximum shortest path interdiction problem by upgrading edges on trees under unit Hamming distance, and gave the algorithm with time complexity

    Yi Lei, Hu Shao, Ting Wu, Pengjie Liu in Optimization Letters (2023)

  11. No Access

    Article

    A Superlinearly Convergent Splitting Feasible Sequential Quadratic Optimization Method for Two-Block Large-Scale Smooth Optimization

    This paper discusses the two-block large-scale nonconvex optimization problem with general linear constraints. Based on the ideas of splitting and sequential quadratic optimization (SQO), a new feasible descen...

    **bao Jian, Chen Zhang, Pengjie Liu in Acta Mathematica Scientia (2023)

  12. No Access

    Article

    CF-DAML: Distributed automated machine learning based on collaborative filtering

    The search for a good machine learning (ML) model takes a long time and requires the considerations of many alternatives, including data preprocessing, algorithm selection, and hyperparameter tuning methods. T...

    Pengjie Liu, Fucheng Pan, **aofeng Zhou, Shuai Li, Liang ** in Applied Intelligence (2022)

  13. No Access

    Article

    Two classes of spectral conjugate gradient methods for unconstrained optimizations

    The spectral conjugate gradient method is effective iteration method for solving large-scale unconstrained optimizations. In this paper, using the strong Wolfe line search to yield the spectral parameter, and ...

    **bao Jian, Pengjie Liu, **anzhen Jiang… in Journal of Applied Mathematics and Computi… (2022)

  14. No Access

    Article

    Two Improved Nonlinear Conjugate Gradient Methods with the Strong Wolfe Line Search

    Two improved nonlinear conjugate gradient methods are proposed by using the second inequality of the strong Wolfe line search. Under usual assumptions, we proved that the improved methods possess the sufficien...

    **bao Jian, Pengjie Liu, **anzhen Jiang… in Bulletin of the Iranian Mathematical Socie… (2022)

  15. No Access

    Article

    Dsa-PAML: a parallel automated machine learning system via dual-stacked autoencoder

    Finding a high-performance machine learning pipeline (ML pipeline) for a supervised learning task takes much time. It requires many choices, including preprocessing datasets, selecting algorithms, tuning hyper...

    Pengjie Liu, Fucheng Pan, **aofeng Zhou, Shuai Li… in Neural Computing and Applications (2022)

  16. No Access

    Article

    A three-term conjugate gradient method with accelerated subspace quadratic optimization

    In this paper, a general search direction of three-term conjugate gradient method which always satisfy sufficient descent condition is adopted. By solving a new accelerated subspace quadratic optimization prob...

    **bao Jian, Wenrui Chen, **anzhen Jiang… in Journal of Applied Mathematics and Computi… (2022)

  17. No Access

    Article

    Preliminary study on fire risk of redox flow battery components

    The redox flow battery (RFB) is one new kind of energy storage unit, which is used in electrochemical energy storage. However, the knowledge on its fire risk is very limited. Thus the fire risk of redox flow b...

    Man Chen, Pengjie Liu, Yongqi Li, Yuhang Hu… in Journal of Thermal Analysis and Calorimetry (2022)

  18. No Access

    Article

    An improved Polak–Ribière–Polyak conjugate gradient method with an efficient restart direction

    For the large-scale optimization problems, we propose a new conjugate parameter by modifying the denominator of the Polak–Ribière–Polyak formula, and give its non-negative form. Under the weak Wolfe line searc...

    **anzhen Jiang, **bao Jian, Dan Song, Pengjie Liu in Computational and Applied Mathematics (2021)

  19. No Access

    Chapter and Conference Paper

    Preparation of CoCrFeNi High-Entropy Alloy via Electro-Deoxidation of Metal Oxides

    have attracted extensive attention due to their excellent for various applications. In this work, single-phase equiatomic CoCrFeNi high-entropy (HEA) was prepared by one-step of solid oxides in molten...

    Yu Yang, Tongxiang Ma, Mengjun Hu… in TMS 2020 149th Annual Meeting & Exhibition… (2020)

  20. No Access

    Article

    Investigation of flame-retarded poly(butylene succinate) composites using MHSH as synergistic and reinforced agent

    Magnesium hydroxide sulfate whisker (MHSH) was used as flame-retarded synergistic agent of intumescent flame retardant (IFR), and to prepare flame-retarded PBS composites. The mechanical performance and flame...

    **aopeng Yue, Jian Li, Pengjie Liu, Wenjuan Pu, Yicun Lin in Journal of Materials Science (2018)

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