Microsystems and Nano Satellites

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Industrial Electronics".

Deadline for manuscript submissions: closed (10 February 2024) | Viewed by 3932

Special Issue Editors

Department of Precision Instrument, Tsinghua University, Beijing 100084, China
Interests: space optical sensors; micro/nano-sensors; micro-electromechanical system (MEMS); micro/nano-satellite technology; precision optical measurements
Special Issues, Collections and Topics in MDPI journals
School of Instrument Science and Opto-Electronics Engineering, Beijing Information Science and Technology University, Beijing 100192, China
Interests: space optical sensors; multi-sensor fusion; precision optical measurements; target tracking and recognition

Special Issue Information

Dear Colleagues,

Contemporary micro/nano-satellite technology has developed rapidly all over the world. These have advantages of small mass, low cost, short development cycle, fast technology update, and flexible application modes. It plays an important role in fields of space scientific research and commercial aerospace, exhibiting a rapid development trend, and widely serving in functions of remote sensing, communication, electronic reconnaissance, space scientific exploration, etc. Reductions in the overall mass and volume of satellites and improvements in the functional density ratio benefit from the miniaturization of devices and systems. Therefore, research into space microsystems for micro/nano-satellite technology is of great significance. The key technologies include micro/nanomaterials, microelectronic manufacturing, micromachining and various special spacecraft systems, including communication systems, attitude control modules, battery modules, propulsion systems, computing storage units, payloads, etc. Accordingly, this Special Issue focuses on the following aspects, although the list is not exhaustive:

  • Microsystem technology;
  • Microelectronic technology;
  • Micro intelligent systems;
  • Micro/nano-sensors;
  • Micro control systems;
  • Micro propulsion systems;
  • Micro/nano-satellite technology
  • Micro/nano fabrication;
  • Micro/nano testing;
  • Micro electromechanical system (MEMS);
  • Micro/nano-photonics;
  • Precision measurement method;
  • Optoelectronic system design;
  • On board computing system;
  • Multi-sensor fusion;
  • Satellite formation and networking.

Prof. Dr. Fei Xing
Dr. Ting Sun
Guest Editors

Manuscript Submission Information

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Keywords

  • micro/nano fabrication and testing technology
  • micro electromechanical system (MEMS)
  • micro/nano photonics
  • optical system sensor
  • micro/nano sensor
  • multi-sensor fusion
  • micro/nano-satellite technology
  • precision optical measurement

Published Papers (2 papers)

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Research

14 pages, 6079 KiB  
Article
EEDD: Edge-Guided Energy-Based PCB Defect Detection
by Shuixin Deng, Lei Deng, Ting Sun, Shijie Yu, Li Wang, Baohua Chen, Hao Hu, Yusen Xie, Hanxi Yin, Junwei Xiao, Xinglong Cui, Yeyu Fu, Xuewei Tang, Ruirui Song, Lin Li, Shanpeng Xiao, Yuan Li and Yizheng Li
Electronics 2023, 12(10), 2306; https://doi.org/10.3390/electronics12102306 - 19 May 2023
Viewed by 1958
Abstract
Printed circuit board (PCB) defect detection is critical for ensuring the safety of electronic devices, especially in the space industry. Non-reference-based methods, typically the deep learning methods, suffer from a large amount of annotated data requirements and poor interpretability. In contrast, conventional reference-based [...] Read more.
Printed circuit board (PCB) defect detection is critical for ensuring the safety of electronic devices, especially in the space industry. Non-reference-based methods, typically the deep learning methods, suffer from a large amount of annotated data requirements and poor interpretability. In contrast, conventional reference-based methods achieve higher detection accuracy by comparing with a template image but rely on precise image alignment and face the challenge of fine defects detection. To solve the problem, we propose a novel Edge-guided Energy-based PCB Defect Detection method (EEDD). We focus on the salient edge characteristic of PCB images and regard the functional defects as contour differences and then propose a novel energy measurement method for PCB contour anomaly detection. We introduce the energy transformation using the edge information of the template and test image, then Speeded-Up Robust Features method (SURF) is used for image alignment, and finally achieve defect detection by measuring the energy anomaly score pixel by pixel with the proposed energy-based defect localization and contour flood fill methods. Our method excels in detecting multi-scale defects, particularly tiny defects, and is robust against interferences such as non-finely aligned images and edge spurs. Experiments on the DeepPCB-A dataset and our high-resolution PCB dataset (HDPCB) show that the proposed method outperforms state-of-the-art methods in PCB defect-detection tasks. Full article
(This article belongs to the Special Issue Microsystems and Nano Satellites)
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17 pages, 8139 KiB  
Article
Research on Sun-Oriented Spin-Stabilized Attitude Control of Micro/Nano Satellite Using Only Magnetic Control
by Binwen Yuan, Deng Yang and Ziyang Meng
Electronics 2023, 12(2), 362; https://doi.org/10.3390/electronics12020362 - 10 Jan 2023
Viewed by 1427
Abstract
Sun-oriented attitude control is one of the most important attitude control modes for most micro/nano satellites, which directly affects the on-orbit energy acquisition. Therefore, it is of great importance to use the simplest sensors and actuators and the most reliable algorithm to achieve [...] Read more.
Sun-oriented attitude control is one of the most important attitude control modes for most micro/nano satellites, which directly affects the on-orbit energy acquisition. Therefore, it is of great importance to use the simplest sensors and actuators and the most reliable algorithm to achieve sun-oriented attitude control. A sun-oriented spin-stabilized attitude control method for micro/nano satellites using only magnetic control is proposed in this paper, in which the control progress is divided into four phases: initial damping phase, sun-aligned phase, spin-up phase, and spin-stabilized phase. The influence of the shadow zone of the orbit, offset installation of sun sensor and solar panel, limitation of the field of view of the sun sensor, and environmental disturbance torques are all considered in the proposed method. The control performance is evaluated by numerical simulations, and the simulation results show that the proposed method is applicable to the satellite equipped with a sun sensor and a 3-axis magnetometer as attitude sensors and three magnetic torquers installed orthogonally as attitude actuators. The proposed method is applicable to most Earth-orbit satellites for which the geomagnetic field can provide sufficient attitude control torque. Full article
(This article belongs to the Special Issue Microsystems and Nano Satellites)
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