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学者姓名：陈剑雄
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Abstract ：
High-precision eddy current sensors for displacement and thickness measurement play a crucial role in vital fields such as semiconductor manufacturing, precision optics, and aerospace. As precision manufacturing advances towards digitalization and intelligence, the performance and functionality of these sensors face increasingly stringent demands. In this review, the analytical and equivalent circuit model of eddy current detection are analyzed from the basic structure and working principle, obtaining the application branch of displacement and thickness measurement. The optimization of configuration, signal processing circuitry, and temperature compensation technology is reviewed for the improvement of core performance indicators such as range, resolution, and thermal stability. The challenges faced in practical applications, including the suppression of lift-off effect, multilayer film thickness measurement and edge detection, are identified. Finally, the development direction of eddy current displacement and thickness sensors is envisioned.
Keyword ：
Displacement measurement Displacement measurement Eddy current sensors Eddy current sensors Lift-off effect Lift-off effect Resolution Resolution Thickness measurement Thickness measurement
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| GB/T 7714 | Zhao, Guangen , Huang, Yuhua , Zhang, Wenwei et al. Advances in high-precision displacement and thickness measurement based on eddy current sensors: A review [J]. | MEASUREMENT , 2025 , 243 . |
| MLA | Zhao, Guangen et al. "Advances in high-precision displacement and thickness measurement based on eddy current sensors: A review" . | MEASUREMENT 243 (2025) . |
| APA | Zhao, Guangen , Huang, Yuhua , Zhang, Wenwei , Wang, Chengxin , Chen, Jianxiong . Advances in high-precision displacement and thickness measurement based on eddy current sensors: A review . | MEASUREMENT , 2025 , 243 . |
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Metamaterials (MMs) have become increasingly prominent in terahertz flexible devices. However, bending deformation often alters the structure of the unit, which affects the response performance and stability of MMs. Here, a metal-aperture metamaterial (MA-MM) utilizing the strong coupling effect induced by two resonance modes is innovatively proposed to address the mentioned limitations. Specifically, it is found that the coupling state between multiple resonance modes remains consistent at different bending angles. Under these circumstances, the generated Rabi splitting peak presents stable response performance even under low resonance intensity caused by excessive deformation. The experimental results demonstrate that despite the amplitude of two resonant peaks decreasing significantly by 87.6%, the Q-factor of the Rabi splitting only reduced by 14.8%. Furthermore, armed with the response mode of the Rabi splitting being unaffected by plasma excitation range, the designed MA-MMs are able to maintain constant Q-factors and frequencies on curved surfaces of varying sizes. These findings exhibit the characteristics of electromagnetic response for multi-mode resonance-coupled MAMMs on different curved surfaces, presenting a novel design approach for terahertz flexible functional devices. (c) 2024 Chinese Laser Press
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| GB/T 7714 | Zeng, Qiuming , Shi, Tingting , Huang, Yi et al. Freestanding metamaterial with constant coupling response for terahertz flexible functional devices [J]. | PHOTONICS RESEARCH , 2025 , 13 (1) . |
| MLA | Zeng, Qiuming et al. "Freestanding metamaterial with constant coupling response for terahertz flexible functional devices" . | PHOTONICS RESEARCH 13 . 1 (2025) . |
| APA | Zeng, Qiuming , Shi, Tingting , Huang, Yi , Zhong, Shuncong , Sun, Fuwei , Guan, Chenglong et al. Freestanding metamaterial with constant coupling response for terahertz flexible functional devices . | PHOTONICS RESEARCH , 2025 , 13 (1) . |
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It is a great challenge to produce ultra-smooth surface of sapphire wafers at high material removal rate (MRR) using green slurry in semi-fixed abrasive polishing. A novel environmentally friendly polishing slurry was developed by preparing abrasives and complexing agents to improve surface quality and polishing efficiency. The SiO2 and diamond/SiO2 composite abrasives were successfully prepared by a simplified sol-gel strategy, exhibiting high purity, homogeneous particle size, and excellent dispersibility. Based on the semi-fixed polishing technology, the green polishing performance of sapphire wafers using different types of abrasives alone and in combination with complexing agents was investigated. The experimental results demonstrated that the novel slurry containing triisopropanolamine (TIPA) and diamond/SiO2 composite abrasive had superior polishing performance. Compared with the traditional diamond slurry, the surface roughness of the novel slurry was reduced by 24.4 % to 6.2 nm (Ra), while the MRR was increased by 65.4 %. Through electrochemical experiments, molecular simulations, and infrared analysis, the improved polishing performance of the composite abrasives with TIPA may be attributed to the complexation of TIPA and the optimization of interfacial contact behavior. The analysis of wear debris and polished sapphire wafer surface further pointed out that the deformation reduced the indentation depth while enhancing the reactivity of the friction chemistry. The diamond/ SiO2 composite abrasives with TIPA slurry accelerated the generation and removal of the reaction layer consisting of AlOOH, Al-OH, and Al2Si2O7, realizing the optimal synergy between mechanical wear and tribochemistry, which significantly improved the polishing quality.
Keyword ：
Composite abrasives Composite abrasives Green polishing Green polishing Material removal mechanism Material removal mechanism Sapphire Sapphire
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| GB/T 7714 | Zhao, Guangen , Chen, Jianxiong , Xu, Yongchao et al. Investigation on the material removal mechanism of sapphire wafer by novel green slurry in semi-fixed abrasive polishing [J]. | WEAR , 2025 , 566 . |
| MLA | Zhao, Guangen et al. "Investigation on the material removal mechanism of sapphire wafer by novel green slurry in semi-fixed abrasive polishing" . | WEAR 566 (2025) . |
| APA | Zhao, Guangen , Chen, Jianxiong , Xu, Yongchao , Peng, Cheng , Wang, Qianting . Investigation on the material removal mechanism of sapphire wafer by novel green slurry in semi-fixed abrasive polishing . | WEAR , 2025 , 566 . |
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Due to its exceptional mechanical and chemical properties at high temperatures, Inconel 718 is extensively utilized in industries such as aerospace, aviation, and marine. Investigating the flow behavior of Inconel 718 under high strain rates and high temperatures is vital for comprehending the dynamic characteristics of the material in manufacturing processes. This paper introduces a physics-based constitutive model that accounts for dislocation motion and its density evolution, capable of simulating the plastic behavior of Inconel 718 during large strain deformations caused by machining processes. Utilizing a microstructure-based flow stress model, the machinability of Inconel 718 in terms of cutting forces and temperatures is quantitatively predicted and compared with results from orthogonal cutting experiments. The model’s predictive precision, with a margin of error between 5 and 8%, ensures reliable consistency and enhances our comprehension of the high-speed machining dynamics of Inconel 718 components. © 2024 by the authors.
Keyword ：
flow stress model flow stress model Inconel 718 Inconel 718 machinability machinability microstructure microstructure
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| GB/T 7714 | Yin, Q. , Chen, H. , Chen, J. et al. Microstructure-Based Flow Stress Model to Predict Machinability of Inconel 718 [J]. | Materials , 2024 , 17 (17) . |
| MLA | Yin, Q. et al. "Microstructure-Based Flow Stress Model to Predict Machinability of Inconel 718" . | Materials 17 . 17 (2024) . |
| APA | Yin, Q. , Chen, H. , Chen, J. , Xie, Y. , Shen, M. , Huang, Y. . Microstructure-Based Flow Stress Model to Predict Machinability of Inconel 718 . | Materials , 2024 , 17 (17) . |
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This paper proposed a method to measure the rolling angle for carrots. An imaging system was designed to capture the image of the cross-section located on the root-stem junction. The outer profile curve (OPC) of the cross-section was extracted and transformed into polar coordinates with the centroid serving as the origin. And a one-to-one correspondence between its polar angle and polar radius was established. Then an improved cyclic shift method (ICSM) was proposed. The ICSM was developed based on the consistent angular spacing between any two points on OPC throughout the rolling process. This addressed the issue of low efficiency. Furthermore, the additional requirements for calculation were pointed out. Finally, an experiment was conducted to measure the rolling angle of 60 carrot samples. The results show that the proposed method exhibits high accuracy and high efficiency. It provides an effective tool for full-surface image acquisition of carrots.
Keyword ：
Carrot Carrot Computer vision Computer vision Improved cyclic shift method Improved cyclic shift method Non-rotational symmetry Non-rotational symmetry Rolling angle measurement Rolling angle measurement
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| GB/T 7714 | Shen, Zhenhui , Zheng, Shuhe , Chen, Jianxiong et al. Rolling angle measurement for carrots using computer vision and improved cyclic shift method [J]. | MEASUREMENT , 2024 , 235 . |
| MLA | Shen, Zhenhui et al. "Rolling angle measurement for carrots using computer vision and improved cyclic shift method" . | MEASUREMENT 235 (2024) . |
| APA | Shen, Zhenhui , Zheng, Shuhe , Chen, Jianxiong , Ren, Jinbo , Mulowayi, Arcel Mutombo . Rolling angle measurement for carrots using computer vision and improved cyclic shift method . | MEASUREMENT , 2024 , 235 . |
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Micro-polarizer array (MPA) is the core optical component of the Division of Focal-Plane (DoFP) imaging system, and its design is very important to the system's performance. Traditional design methods rely on theoretical analysis and simulation, which is complicated and requires designers to have profound theoretical foundations. In order to simplify the design process and improve efficiency, this paper proposes a 2 x 2 MPA reverse-design strategy based on particle swarm optimization (PSO). This strategy uses intelligent algorithms to automatically explore the design space in order to discover MPA structures with optimal optical properties. In addition, the all-pass filter is introduced to the MPA superpixel unit in the design, which effectively reduces the crosstalk and frequency aliasing between pixels. In this study, two MPA models were designed: a traditional MPA and an MPA with an all-pass filter. The Degree of Linear Polarization (DOLP) image contrast is used as the evaluation standard and compared with the traditional MPA; the results show that the contrast of the newly designed traditional MPA image is increased by 21%, and the MPA image with the all-pass filter is significantly increased by 82%. Therefore, the reverse-design method proposed in this paper not only simplifies the design process but also can design an MPA with enhanced optical performance, which has obvious advantages over the traditional method.
Keyword ：
DOLP image contrast DOLP image contrast MPA MPA optimizing optical performance optimizing optical performance particle swarm optimization particle swarm optimization reverse design reverse design
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| GB/T 7714 | Shi, Yonggui , Lin, Zhihai , Wang, Tianran et al. Reverse Design of Pixel-Type Micro-Polarizer Arrays to Improve Polarization Image Contrast [J]. | MICROMACHINES , 2024 , 15 (10) . |
| MLA | Shi, Yonggui et al. "Reverse Design of Pixel-Type Micro-Polarizer Arrays to Improve Polarization Image Contrast" . | MICROMACHINES 15 . 10 (2024) . |
| APA | Shi, Yonggui , Lin, Zhihai , Wang, Tianran , Huang, Chaokai , Chen, Hui , Chen, Jianxiong et al. Reverse Design of Pixel-Type Micro-Polarizer Arrays to Improve Polarization Image Contrast . | MICROMACHINES , 2024 , 15 (10) . |
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This paper introduces an efficient and accurate interpolator for NURBS (non-uniform rational B-spline) curves, addressing the challenge of regulating feedrate under machining accuracy and dynamic constraints, particularly at sensitive corners. A recursive matrix representation and polynomial conversion are utilized to enhance the computation of NURBS curve intermediate points and derivatives. An improved adaptive planning method is presented to adjust the feedrate at sensitive corners, ensuring that chord error and dynamic constraints are met. The method integrates linear acceleration and deceleration stages to mitigate abrupt changes in acceleration and jerk. Additionally, a prediction-correction scheme-based interpolator is developed, employing an asynchronous mechanism to improve computational efficiency. The proposed method's effectiveness and correctness are validated through simulation tests and machining experiments.
Keyword ：
feedrate planning feedrate planning interpolation interpolation NURBS curve NURBS curve prediction-correction scheme prediction-correction scheme sensitive corner sensitive corner
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| GB/T 7714 | Huang, Zhuiliang , Chen, Jianxiong . An Interpolator for a Non-Uniform Rational B-Spline Curve with a High Efficiency and Accuracy Using Polynomial Representations [J]. | ACTUATORS , 2024 , 13 (11) . |
| MLA | Huang, Zhuiliang et al. "An Interpolator for a Non-Uniform Rational B-Spline Curve with a High Efficiency and Accuracy Using Polynomial Representations" . | ACTUATORS 13 . 11 (2024) . |
| APA | Huang, Zhuiliang , Chen, Jianxiong . An Interpolator for a Non-Uniform Rational B-Spline Curve with a High Efficiency and Accuracy Using Polynomial Representations . | ACTUATORS , 2024 , 13 (11) . |
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To enhance the excavator performance considering the digging force and boom lift force under typical working conditions, this paper aims to solve the complex multiobjective optimization of the excavator by proposing a new knowledge-based method. The digging force at multiple key points is utilized to characterize the excavator's performance during the working process. Then, a new optimization model is developed to address the imbalanced optimization quality among subobjectives obtained from the ordinary linear weighted model. The new model incorporates the loss degree relative to the optimal solution of each subobjective, aiming to achieve a more balanced optimization. Knowledge engineering is integrated into the optimization process to improve the optimization quality, utilizing a knowledge base incorporating seven different types of knowledge to store and reuse the information related to optimization. Furthermore, a knowledge-based multiobjective algorithm is proposed to perform the knowledge-guided optimization. Experimental results demonstrate that the proposed knowledge-based method outperforms existing methods, resulting in an average increase of 15.1% in subobjective values.
Keyword ：
excavator excavator knowledge engineering knowledge engineering multiobjective evolutionary algorithm multiobjective evolutionary algorithm multiobjective optimization multiobjective optimization Optimization design Optimization design
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| GB/T 7714 | Lu, Zhe , Lin, Shuwen , Chen, Jianxiong et al. A multi-objective collaborative optimization method for excavator working devices based on knowledge engineering [J]. | ADVANCES IN MECHANICAL ENGINEERING , 2024 , 16 (1) . |
| MLA | Lu, Zhe et al. "A multi-objective collaborative optimization method for excavator working devices based on knowledge engineering" . | ADVANCES IN MECHANICAL ENGINEERING 16 . 1 (2024) . |
| APA | Lu, Zhe , Lin, Shuwen , Chen, Jianxiong , Gu, Tianqi , Xie, Yu , Zhao, Zihao . A multi-objective collaborative optimization method for excavator working devices based on knowledge engineering . | ADVANCES IN MECHANICAL ENGINEERING , 2024 , 16 (1) . |
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Multiple modes resonance provides the possibility of broadband filtering and has great potential applications in terahertz devices, including miniaturized spectrometers, hyperspectral imagers and optical switches in communication systems. However, it is difficult to further expand the bandwidth range due to the inability to stack an infinite number of resonant structures in a finite space. Here, an innovative method is reported for manipulating two localized surface plasmon polaritons (LSPP) modes by multiscale-coupled plasmonic fields to realize broadband filtering at terahertz (THz) frequencies. The interaction between two LSPP modes was verified theoretically and experimentally, exhibiting a prominent Rabi splitting and two peaks with high transmittance. Particularly, broadband filtering is accomplished by utilizing a double-layer structure that can be regarded as a cavity for inducing far-field interference. Experimental result demonstrates that the maximum transmission range of the bilayer metamaterial reaches 0.63 THz. Besides, the two wide bands can be integrated into one broadband through near-field coupling effects. The integration of strong coupling and far-field interference expands the transmission range of the double-layer metamaterial, further enhancing its capability for broadband filtering. This unique approach for manipulating multi-mode plasmonic coupling forges a convenient route for realizing broadband filtering.
Keyword ：
Broadband filtering Broadband filtering Far-field interference Far-field interference Multiple plasmon modes Multiple plasmon modes Strong coupling effect Strong coupling effect Terahertz metamaterials Terahertz metamaterials
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| GB/T 7714 | Zeng, Qiuming , Huang, Yi , Zhong, Shuncong et al. Manipulating multiple plasmon modes by coupling fields for broadband filtering in terahertz metamaterials [J]. | OPTICS AND LASER TECHNOLOGY , 2024 , 168 . |
| MLA | Zeng, Qiuming et al. "Manipulating multiple plasmon modes by coupling fields for broadband filtering in terahertz metamaterials" . | OPTICS AND LASER TECHNOLOGY 168 (2024) . |
| APA | Zeng, Qiuming , Huang, Yi , Zhong, Shuncong , Shi, Tingting , Chen, Jianxiong , Zhong, Yujie et al. Manipulating multiple plasmon modes by coupling fields for broadband filtering in terahertz metamaterials . | OPTICS AND LASER TECHNOLOGY , 2024 , 168 . |
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Due to its exceptional mechanical and chemical properties at high temperatures, Inconel 718 is extensively utilized in industries such as aerospace, aviation, and marine. Investigating the flow behavior of Inconel 718 under high strain rates and high temperatures is vital for comprehending the dynamic characteristics of the material in manufacturing processes. This paper introduces a physics-based constitutive model that accounts for dislocation motion and its density evolution, capable of simulating the plastic behavior of Inconel 718 during large strain deformations caused by machining processes. Utilizing a microstructure-based flow stress model, the machinability of Inconel 718 in terms of cutting forces and temperatures is quantitatively predicted and compared with results from orthogonal cutting experiments. The model's predictive precision, with a margin of error between 5 and 8%, ensures reliable consistency and enhances our comprehension of the high-speed machining dynamics of Inconel 718 components.
Keyword ：
flow stress model flow stress model Inconel 718 Inconel 718 machinability machinability microstructure microstructure
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| GB/T 7714 | Yin, Qingan , Chen, Hui , Chen, Jianxiong et al. Microstructure-Based Flow Stress Model to Predict Machinability of Inconel 718 [J]. | MATERIALS , 2024 , 17 (17) . |
| MLA | Yin, Qingan et al. "Microstructure-Based Flow Stress Model to Predict Machinability of Inconel 718" . | MATERIALS 17 . 17 (2024) . |
| APA | Yin, Qingan , Chen, Hui , Chen, Jianxiong , Xie, Yu , Shen, Ming , Huang, Yuhua . Microstructure-Based Flow Stress Model to Predict Machinability of Inconel 718 . | MATERIALS , 2024 , 17 (17) . |
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