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Selected Papers from CSMNT

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Nanosensors".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 7209

Special Issue Editors

Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
Interests: MEMS; micro/nano sensors; flexible sensor and actuator
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
MEMS Center, Harbin Institute of Technology, Harbin 150001, China
Interests: electrocatalysis; graphene; methanol fuel well; computation; kinetic

Special Issue Information

Dear Colleagues,

This Special Issue will include high-quality papers presented during the Conference of the Chinese Society of Micro/Nano Technology on Micro–Nano Technology (CSMNT).

This volume will contain invited papers in the fields of micro–nanoenergy and MEMS, nanosystems and nanomaterials and other relative research areas from authors who present their papers at the conference. The authors are welcome to submit extended versions of their papers to this Special Issue for publication and further demonstrate their innovative work.

Serving as an important force in developing China’s micro/nano technology, CSMNT is dedicated to promoting the research and industrialization of micro/nano technology and providing links for the micro/nano technology workers in China. This conference will provide a platform to scientists for exchanging scientific information, building relationships, and possibly establishing collaborations.

Topics:

Topic 1: Micro/Nano Sensors and Actuators;

Topic 2: Nano Precision Manufacturing Technology;

Topic 3: Micro/Nano Electromechanical System;

Topic 4: Micro/Nano Biomedicine;

Topic 5: Design and Manufacturing Technology of Micro/Nano Devices;

Topic 6: Engineering Manufacturing and Characterization of Micro/Nano Structures;

Topic 7: Micro/Nano Energy Technology;

Topic 8: Micro/Nano Motor and Intelligent Robot;

Topic 9: Micro/Nano Robot Technology and Application;

Topic 10: Micro/Nano Measurement and Instrument Technology;

Topic 11: Micro/Nano Materials and Devices;

Topic 12: Micro/Nano Structures and Devices of Photoelectric Conversion Materials;

Topic 13: Micro/Nano Structured Films and Coatings and Their Applications;

Topic 14: Micro/Nano Structure and Signal;

Topic 15: Micro/Nano Bionic Manufacturing;

Topic 16: Micro/Nano Fluidic Technology and Its Application;

Topic 17: Micro/Nano Cell Biochip;

Topic 18: Application of Micro/Nano Technology;

Topic 19: Flexible Micro/Nano Materials and Devices;

Topic 20: Micro/Nano Manipulation, Detection and Characterization Technologies for Cells.

Dr. Min Zhang
Dr. Yufeng Zhang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (3 papers)

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Research

11 pages, 6243 KiB  
Communication
Self-Test and Self-Calibration of Digital Closed-Loop Accelerometers
by Zhiyuan Sun and Miao Wang
Sensors 2022, 22(24), 9933; https://doi.org/10.3390/s22249933 - 16 Dec 2022
Viewed by 1650
Abstract
For accelerometers targeted in inertial navigation field, the DC bias error is the most destructive system error, affecting the final precision of long-term dead reckoning. This paper proposes a novel self-test and self-calibration technique for canceling out the DC bias error of the [...] Read more.
For accelerometers targeted in inertial navigation field, the DC bias error is the most destructive system error, affecting the final precision of long-term dead reckoning. This paper proposes a novel self-test and self-calibration technique for canceling out the DC bias error of the digital closed-loop accelerometers. The self-test of system DC bias is realized by injecting a 1-Bit ΣΔ modulated digital excitation and measuring the second-order harmonic distortion. As illustrated, the second-order harmonic distortion is related to the servo position deviation of the MEMS sensing element, which is one of the main causes of system DC bias error. The automatic capacitance compensation is carried out based on the amplitude and phase information of the detected second-order harmonic distortion, which can dynamically calibrate out the DC bias error. Test results show that there exists a near-linearity relationship between the system DC bias error and the second-order harmonic distortion, which is consistent with the proposed theoretical deduction. Based on the proposed method, the system DC bias error is effectively reduced from 150 to 4 mg, and unaffected by external acceleration bias. Full article
(This article belongs to the Special Issue Selected Papers from CSMNT)
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15 pages, 4920 KiB  
Article
Research on a Silicon Gyroscope Interface Circuit Based on Closed-Loop Controlled Drive Loop
by Qiang Li, Lifeng Ding, Xiaowei Liu and Qiang Zhang
Sensors 2022, 22(3), 834; https://doi.org/10.3390/s22030834 - 22 Jan 2022
Cited by 4 | Viewed by 1846
Abstract
The existing analysis methods for the silicon gyroscope drive loop, such as the perturbation method and period average method, cannot analyze the dynamic characteristics of the system. In this work, a linearized amplitude control model of the silicon gyroscope drive loop was established [...] Read more.
The existing analysis methods for the silicon gyroscope drive loop, such as the perturbation method and period average method, cannot analyze the dynamic characteristics of the system. In this work, a linearized amplitude control model of the silicon gyroscope drive loop was established to analyze the stability and set-up time of the drive loop, and the vibration conditions of the silicon gyro were obtained. According to the above results, a new silicon gyroscope interface circuit was designed, using a 0.35 μm Bipolar-CMOS-DMOS (BCD) process, and the chip area was 4.5 mm × 4.0 mm. The application-specific integrated circuit (ASIC) of the silicon gyroscope was tested in combination with the sensitive structure with a zero stability of 1.14°/hr (Allen). The test results for the ASIC and the whole machine prove the correctness of the theoretical model, which reflects the effectiveness of the stability optimization of the closed-loop controlled drive loop of the silicon gyroscope circuit. Full article
(This article belongs to the Special Issue Selected Papers from CSMNT)
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18 pages, 5748 KiB  
Article
A High Power-Conversion-Efficiency Voltage Boost Converter with MPPT for Wireless Sensor Nodes
by Xiwen Zhu, Qiang Fu, Ruimo Yang and Yufeng Zhang
Sensors 2021, 21(16), 5447; https://doi.org/10.3390/s21165447 - 12 Aug 2021
Cited by 5 | Viewed by 2336
Abstract
A high power-conversion-efficiency voltage boost converter with MPPT for wireless sensor nodes (WSNs) is proposed in this paper. Since tiny wireless sensor nodes are all over complex environments, an efficient power management system (PMS) must be equipped to achieve long-term self-power supply and [...] Read more.
A high power-conversion-efficiency voltage boost converter with MPPT for wireless sensor nodes (WSNs) is proposed in this paper. Since tiny wireless sensor nodes are all over complex environments, an efficient power management system (PMS) must be equipped to achieve long-term self-power supply and maintain regular operation. It is common to use Photovoltaic cells (PV) to harvest sunlight in the environment. However, most existing interface boost integrated circuits for the PV cell have low efficiency. This paper presents a voltage boost converter (VBC) with high power conversion efficiency (PCE) for WSNs. The integrated circuit (IC) designed in this paper includes a novel four-phase high-efficiency charge pump module, an ultra-low-power perturbation observation (P&O) MPPT control circuit module, a feedback control module, a nano-ampere current reference, etc. Manufactured in a standard 0.35 um complementary metal-oxide-semiconductor (CMOS) technology, the chip area is 3.15 mm × 2.43 mm. Test results demonstrate that when the output voltage of the PV cell is more than 0.5 V, VBC can improve the voltage to 3Vin, and the calculated voltage conversion efficiency can reach 99.4%. P&O MPPT algorithm makes output power improving 8.53%. Furthermore, when the output load current is 297uA, the output PCE achieves 85.1%. Full article
(This article belongs to the Special Issue Selected Papers from CSMNT)
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