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  1. Article

    Open Access

    Design of an automated robotic microinjection system for batch injection of zebrafish embryos and larvae

    This paper presents the design of a vision-based automated robotic microinjection system for batch injection of both zebrafish embryos and larvae. A novel visual recognition algorithm based on an automatic thr...

    Zhongyi Guo, Nana Ai, Wei Ge, Qingsong Xu in Microsystems & Nanoengineering (2024)

  2. No Access

    Chapter and Conference Paper

    Design Method for Facility Location and Freight Flow Allocation of China Railway Highspeed Express

    China Railway Highspeed Express (CRH Express) is in the stage of mode exploration and technological innovation. This paper takes CRH Express as the research object, studies the operation and organization mode ...

    Shuangsong Xu, Kanglin Liu, **nghan Chen in Proceedings of the 6th International Confe… (2024)

  3. No Access

    Chapter and Conference Paper

    Design and Analysis of a New Compliant Monolithic Motion Reverser

    Compliant motion reverser plays a significant role in the field of micro-electromechanical systems, micro-measurement, and biological engineering. Traditional motion reverser is designed based on topology opti...

    Zekui Lyu, Qingsong Xu in Advances in Mechanism, Machine Science and Engineering in China (2023)

  4. No Access

    Article

    Large-scale multirole Zn(II) programmed synthesis of ultrathin hierarchically porous carbon nanosheets

    ZIF-derived carbon structures are considered as desired electrode materials for supercapacitors due to their high surface area, high conductivity, and porous structure. However, the most reported ratio of 2-me...

    LingSong Xu, FanCheng Meng, **angFeng Wei in Science China Technological Sciences (2020)

  5. No Access

    Article

    Design and analysis of a 2-DOF compliant gripper with constant-force flexure mechanism

    This paper presents the design and testing of a novel flexure-based compliant parallel gripper with constant driving force. One uniqueness of the gripper lies in that it achieves two-degree-of-freedom (2-DOF) ...

    **aozhi Zhang, Qingsong Xu in Journal of Micro-Bio Robotics (2019)

  6. No Access

    Article

    Design and Optimization of a New Compliant Rotary Positioning Stage with Constant Output Torque

    This paper presents the design, optimization, and experimental testing of a new compliant rotary positioning stage with constant torque output. The constant-torque rotary stage is devised based on flexure-base...

    Piyu Wang, Sijie Yang, Qingsong Xu in International Journal of Precision Enginee… (2018)

  7. No Access

    Book

  8. No Access

    Chapter

    Design, Analysis, and Development of a Piezoelectric Microsyringe Pump

    This chapter presents the design, analysis, and testing of a microsyringe pump for delivering the liquid inside a tiny tube precisely. To facilitate precision actuation of the microsyringe, a uniaxial micromot...

    Qingsong Xu in Micromachines for Biological Micromanipulation (2018)

  9. No Access

    Chapter

    Visual Servo Control with Force Regulation for Microinjection

    In this chapter, a microinjection system has been developed by integrating dual cameras and microforce . Experimental study on microinjection of zebrafish with visual servo and force has been conducted ...

    Qingsong Xu in Micromachines for Biological Micromanipulation (2018)

  10. No Access

    Chapter

    Introduction

    This chapter provides an introduction of biological micromanipulation using various types of micromachines. A brief survey of both tethered and untethered micromachines with different working principles is giv...

    Qingsong Xu in Micromachines for Biological Micromanipulation (2018)

  11. No Access

    Chapter

    Design, Fabrication, and Testing of a Microforce Sensor for Microinjection

    In this chapter, a novel one-degree-of-freedom (1-DOF) microforce sensor is designed by adopting macrofiber composite (MFC) and polyvinylidene fluoride (PVDF) films. The films function as fixed-guided beams an...

    Qingsong Xu in Micromachines for Biological Micromanipulation (2018)

  12. No Access

    Chapter

    Design, Fabrication, and Testing of a Constant-Force Microinjector

    This chapter presents the design and testing of a flexure-based with constant force output dedicated to biological cell micromanipulation. The microinjector offers a constant force without adopting a force c...

    Qingsong Xu in Micromachines for Biological Micromanipulation (2018)

  13. No Access

    Chapter

    Design and Development of a Flexure-Based Compact Constant-Force Robotic Gripper

    This chapter presents the design of a novel flexure-based compliant gripper with constant grip** force and compact structure size for cell micromanipulation applications. The gripper removes the use of force...

    Qingsong Xu in Micromachines for Biological Micromanipulation (2018)

  14. No Access

    Chapter

    Review of Microinjection Systems

    Cell microinjection plays an important role in genetics, transgenics, molecular biology, drug discovery, reproductive studies, and other biomedical fields. Robotic cell microinjection has been popularly applie...

    Qingsong Xu in Micromachines for Biological Micromanipulation (2018)

  15. No Access

    Chapter

    Design and Control of a Piezoelectric-Driven Microinjector

    This chapter presents the design, fabrication, and testing of a piezo-driven cell microinjection system with force sensing and control. By using piezoresistive sensors for measuring the cell penetration force ...

    Qingsong Xu in Micromachines for Biological Micromanipulation (2018)

  16. No Access

    Chapter

    Design, Modeling, and Control of a Constant-Force Microgripper

    This chapter proposes the design, modeling, and control of a compliant gripper with a passive-type constant-force mechanism. The constant force output is enabled by combining a positive-stiffness mechanism and...

    Qingsong Xu in Micromachines for Biological Micromanipulation (2018)

  17. No Access

    Chapter

    Design and Implementation of a Force-Sensing MEMS Microgripper

    This chapter presents the design, simulation, fabrication, and testing processes of a microelectromechanical systems (MEMS) microgripper, which integrates an electrostatic actuator and a capacitive force senso...

    Qingsong Xu in Micromachines for Biological Micromanipulation (2018)

  18. No Access

    Article

    Design and testing of a new 3-DOF spatial flexure parallel micropositioning stage

    This paper presents the design and testing of a novel 3-DOF parallel flexure micropositioning stage for micro-scale operations. The proposed modular design can obtain the merit of high interchangeability durin...

    **aozhi Zhang, Qingsong Xu in International Journal of Precision Enginee… (2018)

  19. No Access

    Article

    A review on actuation and sensing techniques for MEMS-based microgrippers

    Microelectromechanical system (MEMS) reveals excellent flexibility and adaptability in miniaturization devices owing to its compact dimension, low power consumption, and fine performance. As a typical type of ...

    Sijie Yang, Qingsong Xu in Journal of Micro-Bio Robotics (2017)

  20. No Access

    Article

    Design and control of a novel piezo-driven XY parallel nanopositioning stage

    This paper presents the mechanism and control design of a modular XY nanopositioning stage employing flexure mechanisms and piezoelectric actuators. A new compact parallel flexure stage with two translational ...

    **aozhi Zhang, Yulong Zhang, Qingsong Xu in Microsystem Technologies (2017)

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