Chengxi Zhong

ORCID: 0000-0001-5747-3974
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About
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Research Areas
  • Acoustic Wave Phenomena Research
  • Aerodynamics and Acoustics in Jet Flows
  • Microfluidic and Bio-sensing Technologies
  • Underwater Acoustics Research
  • Speech and Audio Processing
  • Non-Destructive Testing Techniques
  • Ultrasonics and Acoustic Wave Propagation
  • Image and Object Detection Techniques
  • Micro and Nano Robotics
  • Anatomy and Medical Technology
  • Force Microscopy Techniques and Applications
  • Surgical Simulation and Training
  • Particle Dynamics in Fluid Flows
  • Soft Robotics and Applications
  • Molecular Communication and Nanonetworks
  • Orbital Angular Momentum in Optics
  • Digital Holography and Microscopy
  • Granular flow and fluidized beds
  • Industrial Vision Systems and Defect Detection
  • Advanced Materials and Mechanics

ShanghaiTech University
2021-2025

Knot tying is a critical task in robotic surgery, which considerably important for surgical success and postoperative recovery. Despite of the well-established protocols significant progress using medical robots at macro scale, need automatedly mechanically robust knots on mini-incisions remains largely unmet, particularly with relieved suture deformation, avoided slippage, reduced workspace consumption, enhanced precision biomechanical compatibility. Here, we propose an innovative dual-arm...

10.1109/tbme.2025.3528465 article EN IEEE Transactions on Biomedical Engineering 2025-01-01

Acoustic holography is a promising technique for contactless manipulation, remote sensing, and energy harvesting. It involves retrieving holograms used to modulate acoustic sources reconstructing target fields. The performance of reconstruction primarily determined by two key criteria, including the spatial bandwidth product, which measures pixel number representing information capacity, resolution, quantifies size supporting detail gain. However, existing techniques face limitations in...

10.1063/5.0234327 article EN Applied Physics Letters 2025-02-03

Holographic acoustic field has shown great potential for non-contact robotic manipulations of millimeter or sub-millimeter size objects to effectively deliver power. The latest technology generating dynamic holographic is through phased transducer array, where relative phases emitted waves from transducers are independently controlled modulate the interference field. While forward kinematics a array based manipulation system simple and straightforward, inverse (i.e., mapping given control...

10.1109/lra.2021.3130368 article EN IEEE Robotics and Automation Letters 2021-11-24

Acoustic holography (AH) provides a promising technique for arbitrary acoustic field reconstruction, supporting many applications like robotic micro-nano manipulation, neuromodulation, volumetric imaging, and virtual reality. In AH, three-dimensional (3D) fields quantified with complex-valued pressures are reconstructed by virtue of two-dimensional (2D) holograms. Phase-only hologram (POH) is recently regarded as an energy-efficient way which typically implemented dynamically programmable...

10.1063/5.0174978 article EN Journal of Applied Physics 2024-01-05

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10.2139/ssrn.4785165 preprint EN 2024-01-01

Acoustic holography (AH) is a technique with significant potential in realms, such as biomedicine, industry, and augmented reality. The implementation of acoustic holograms can be realized by passive approach or active ones. Although the (by 3D printer) achieve high-quality field generation, it constrained high manufacturing costs static control. On contrary, phased transducer array (PTA) latest stands out since supports dynamic, flexible, reconfigurable generation. However, current...

10.1063/5.0223530 article EN Journal of Applied Physics 2024-10-03

10.1109/iros58592.2024.10801630 article EN 2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) 2024-10-14

Acoustic holography (AH) is a promising technique for precise noncontact micro-nano robotic manipulation. It encodes three-dimensional (3D) acoustic field acting as virtual end-effector into two-dimensional (2D) hologram, whereby the desired reconstruction made possible. Most traditional methods to implement AH, such 3D printed holographic lens and phased array of transducers (PAT), have limitations dynamic dexterous Furthermore, existing iterative optimization algorithms calculate 2D...

10.1109/tase.2023.3292885 article EN IEEE Transactions on Automation Science and Engineering 2023-07-17

Acoustic holography is a newly emerging and promising technique to dynamically generate arbitrary desired holographic acoustic field in 3D space for contactless robotic manipulation. The latest technology supporting complex dynamic reconstruction through phased transducer array (PTA), where the phase profile of emitted wave from discrete transducers controlled independently by sophisticated circuits modulate interference field. While forward kinematics based manipulation system simple...

10.1109/iros47612.2022.9981395 article EN 2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) 2022-10-23

Phase-only acoustic holography is a fundamental and promising technique for contactless robotic manipulation. Through independently controlling phase-only hologram (POH) of phase array transducers (PAT) simultaneously driving each channel by sophisticated circuits, certain field dynamically generated in working medium (e.g., air, water or biological tissues) at moment. The profile PAT required precisely as per arbitrary expected the sake versatile stable However, most conventional methods...

10.1109/icra48891.2023.10160962 article EN 2023-05-29

Ultrafast acoustic holography (AH) enabling dynamic contactless micro-nano robotic manipulation has recently attracted wide attention. As an advanced technique, AH encodes specific three-dimensional (3D) field on a two-dimensional (2D) hologram whereby realizing holographic reconstruction with high fidelity. However, current approaches face the limitation of encoding time, accuracy and flexibility, thus, leading to inapplicability for precise manipulation. Here, we develop approach overcome...

10.1109/iros55552.2023.10341483 article EN 2021 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) 2023-10-01
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