IEEE/CAA Journal of Automatica Sinica

In Memory of Wolter J. Fabrycky: A Pioneer of Systems Engineering and US-Sino Academic Exchange

Fei-Yue Wang

2025, 12(5): 839-840. doi: 10.1109/JAS.2025.125468

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DeepSeek: Paradigm Shifts and Technical Evolution in Large AI Models

Luolin Xiong, Haofen Wang, Xi Chen, Lu Sheng, Yun Xiong, Jingping Liu, Yanghua Xiao, Huajun Chen, Qing-Long Han, Yang Tang

2025, 12(5): 841-858. doi: 10.1109/JAS.2025.125495

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DeepSeek, a Chinese artificial intelligence (AI) startup, has released their V3 and R1 series models, which attracted global attention due to their low cost, high performance, and open-source advantages. This paper begins by reviewing the evolution of large AI models focusing on paradigm shifts, the...

A Survey of Distributed Algorithms for Aggregative Games

Huaqing Li, Jun Li, Liang Ran, Lifeng Zheng, Tingwen Huang

2025, 12(5): 859-871. doi: 10.1109/JAS.2024.124998

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Game theory-based models and design tools have gained substantial prominence for controlling and optimizing behavior within distributed engineering systems due to the inherent distribution of decisions among individuals. In non-cooperative settings, aggregative games serve as a mathematical framewor...

Exploring DeepSeek: A Survey on Advances, Applications, Challenges and Future Directions

Zehang Deng, Wanlun Ma, Qing-Long Han, Wei Zhou, Xiaogang Zhu, Sheng Wen, Yang Xiang

2025, 12(5): 872-893. doi: 10.1109/JAS.2025.125498

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The rapid advancement of large models has led to the development of increasingly sophisticated models capable of generating diverse, personalized, and high-quality content. Among these, DeepSeek has emerged as a pivotal open-source initiative, demonstrating high performance at significantly lower co...

Release Power of Mechanism and Data Fusion: A Hierarchical Strategy for Enhanced MIQ-Related Modeling and Fault Detection in BFIP

Siwei Lou, Chunjie Yang, Zhe Liu, Shaoqi Wang, Hanwen Zhang, Ping Wu

2025, 12(5): 894-912. doi: 10.1109/JAS.2024.124821

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Data-driven techniques are reshaping blast furnace iron-making process (BFIP) modeling, but their “black-box” nature often obscures interpretability and accuracy. To overcome these limitations, our mechanism and data co-driven strategy (MDCDS) enhances model transparency and molten iron quality (MIQ...

Feature-Driven Variational Mesh Denoising

Jianbin Yang, Cong Wang, Hui Hou, Mingyuan Wang, Xuelong Li

2025, 12(5): 913-924. doi: 10.1109/JAS.2024.124923

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This work elaborates an innovative mesh denoising approach that combines feature recovery and denoising in an alternating manner. It proposes a feature-driven variational model and introduces an iterative scheme that alternates between feature recovery and the denoising process. The main idea is to ...

Federated Services: A Smart Service Ecology With Federated Security for Aligned Data Supply and Scenario-Oriented Demands

Xiaofeng Jia, Juanjuan Li, Shouwen Wang, Hongwei Qi, Fei-Yue Wang, Rui Qin, Min Zhang, Xiaolong Liang

2025, 12(5): 925-936. doi: 10.1109/JAS.2024.124860

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This paper introduces federated services as a smart service ecology with federated security to align distributed data supply with diversified service demands spanning digital and societal contexts. It presents the comprehensive researches on the theoretical foundation and technical system of federat...

Prescribed Performance Bipartite Consensus Control for MASs Under Data-Driven Strategy

Qi Zhou, Caiyun Yin, Hui Ma, Hongru Ren, Hongyi Li

2025, 12(5): 937-946. doi: 10.1109/JAS.2024.124956

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This paper investigates the bipartite consensus control problem for discrete time nonlinear multiagent systems (MASs) based on data-driven adaptive method. To begin with, a dynamic linearization strategy is utilized to establish the relationship between bipartite tracking error and control input for...

CSDD: A Benchmark Dataset for Casting Surface Defect Detection and Segmentation

Kai Mao, Ping Wei, Yangyang Wang, Meiqin Liu, Shuaijie Wang, Nanning Zheng

2025, 12(5): 947-960. doi: 10.1109/JAS.2025.125228

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Automatic surface defect detection is a critical technique for ensuring product quality in industrial casting production. While general object detection techniques have made remarkable progress over the past decade, casting surface defect detection still has considerable room for improvement. Lack o...

Evolutionary Algorithm Based on Surrogate and Inverse Surrogate Models for Expensive Multiobjective Optimization

Qi Deng, Qi Kang, MengChu Zhou, Xiaoling Wang, Shibing Zhao, Siqi Wu, Mohammadhossein Ghahramani

2025, 12(5): 961-973. doi: 10.1109/JAS.2025.125111

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When dealing with expensive multiobjective optimization problems, majority of existing surrogate-assisted evolutionary algorithms (SAEAs) generate solutions in decision space and screen candidate solutions mostly by using designed surrogate models. The generated solutions exhibit excessive randomnes...

Precision Synchronous Control of Multiple Motion Systems: A Tube-Based MPC Approach

Shuaiqi Chen, Fazhi Song, Yue Dong, Ning Cui, Yang Liu, Xinkai Chen

2025, 12(5): 974-988. doi: 10.1109/JAS.2025.125222

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Lithography machines operate in scanning mode for the fabrication of large-scale integrated circuits (ICs), requiring high-precision synchronous motion between the reticle and wafer stages. Disturbances generated by each stage during high-acceleration movements are transmitted through the base frame...

Data-Driven Two-Stage Robust Optimization Allocation and Loading for Salt Lake Chemical Enterprise Products Under Demand Uncertainty

Yiyin Tang, Yalin Wang, Chenliang Liu, Qingkai Sui, Yishun Liu, Keke Huang, Weihua Gui

2025, 12(5): 989-1003. doi: 10.1109/JAS.2025.125204

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Most enterprises rely on railway transportation to deliver their products to customers, particularly in the salt lake chemical industry. Notably, allocating products to freight spaces and their assembly on transport vehicles are critical pre-transportation processes. However, due to demand fluctuati...

MEET: A Million-Scale Dataset for Fine-Grained Geospatial Scene Classification With Zoom-Free Remote Sensing Imagery

Yansheng Li, Yuning Wu, Gong Cheng, Chao Tao, Bo Dang, Yu Wang, Jiahao Zhang, Chuge Zhang, Yiting Liu, Xu Tang, Jiayi Ma, Yongjun Zhang

2025, 12(5): 1004-1023. doi: 10.1109/JAS.2025.125324

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Accurate fine-grained geospatial scene classification using remote sensing imagery is essential for a wide range of applications. However, existing approaches often rely on manually zooming remote sensing images at different scales to create typical scene samples. This approach fails to adequately s...

A Game-Theoretic Approach to Solving the Roman Domination Problem

Xiuyang Chen, Changbing Tang, Zhao Zhang, Guanrong Chen

2025, 12(5): 1024-1040. doi: 10.1109/JAS.2023.123840

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The Roman domination problem is an important combinatorial optimization problem that is derived from an old story of defending the Roman Empire and now regains new significance in cyber space security, considering backups in the face of a dynamic network security requirement. In this paper, firstly,...