Cheng Hou

ORCID: 0000-0002-7375-4159
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Advanced Sensor and Energy Harvesting Materials
  • Soft Robotics and Applications
  • Innovative Energy Harvesting Technologies
  • Tactile and Sensory Interactions
  • Surgical Simulation and Training
  • Energy Harvesting in Wireless Networks
  • Advanced MEMS and NEMS Technologies
  • Natural Language Processing Techniques
  • Power Transformer Diagnostics and Insulation
  • Wireless Power Transfer Systems
  • Muscle activation and electromyography studies
  • Conducting polymers and applications
  • Petroleum Processing and Analysis
  • Anatomy and Medical Technology
  • Micro and Nano Robotics
  • Concrete Properties and Behavior
  • Wireless Sensor Networks and IoT
  • Mechanical and Optical Resonators
  • Gastrointestinal Bleeding Diagnosis and Treatment
  • Esophageal and GI Pathology
  • Modular Robots and Swarm Intelligence
  • Water Quality Monitoring and Analysis
  • Multimodal Machine Learning Applications
  • Dielectric materials and actuators
  • Advanced Algorithms and Applications

Soochow University
2018-2024

Nanchang Institute of Technology
2016-2024

Kunming University of Science and Technology
2024

Tencent (China)
2024

Shanghai Jiao Tong University
2017

Hebei University
2002

There is an abundance of low-frequency and irregular human motion energy that can be harvested. In this work, a non-resonant rotational electromagnetic harvester (REH) for scavenging (<10 Hz) presented. The simply introduces cylindrical stator disk-shaped rotor forming movement higher pair. Without any complicated transmission mechanism, the easily rotate around by magnetic attractive force. Driven broadband frequency vibration, coupled with surrounding wound coils to operate...

10.1063/1.5053945 article EN Applied Physics Letters 2018-11-12

This article proposed a high-performance triboelectric-electromagnetic hybrid wind energy harvester (WEH). By adopting the revolution and rotation movements of tapered rollers, which serve as both rotor electromagnetic generator (EMG) part freestanding layers triboelectric nanogenerator (TENG) part, WEH can work sustainable power source self-powered speed sensor. When is 12 m/s, super-high open-circuit voltage peaks 47.4 683 V be achieved by EMG TENG, respectively, corresponding to...

10.1016/j.isci.2021.102300 article EN cc-by-nc-nd iScience 2021-03-14

Abstract In robotic‐assisted minimally invasive surgery (RMIS), non‐sentient surgical instruments make it impossible for surgeons to perceive operational force during the procedure. To facilitate with telepresence surgery, a highly integrated MEMS‐based piezoresistive 3D sensing module, which is composed of sensor chip, an encapsulation cap miniature pyramids, and top elastic layer, demonstrated. This innovative combined construction allows rapid replacement layers different thicknesses...

10.1002/adfm.202302812 article EN Advanced Functional Materials 2023-06-29

Abstract Recently, piezoelectric energy harvesters (PEHs) have been paid a lot of attention by many researchers to convert mechanical into electrical and low level vibration. Currently, most PEHs worked under high frequency In this paper, we propose micro cantilever generator based on the bonding bulk PZT wafer phosphor bronze, which is fabricated MEMS technology, such as chemical thinning etching. The experimental results show that open-circuit output voltage, power density prototype are 35...

10.1038/srep38798 article EN cc-by Scientific Reports 2016-12-08

This paper proposes an impact-based micro piezoelectric energy harvesting system (PEHS) working with the frequency up-conversion mechanism. The PEHS consists of a high-frequency straight cantilever (SPC), low-frequency S-shaped stainless-steel (SSC), and supporting frames. During vibration, behavior is realized through impact between bottom top cantilever. SPC used in fabricated using new electromechanical (MEMS) fabrication process for thick film on silicon substrate. output performances...

10.3390/mi10100639 article EN cc-by Micromachines 2019-09-24

Abstract In recent years, human‐machine interface technology has entered a period of rapid development in the global scope. It gradually expanded from initial field medical rehabilitation to engineering bionics, virtual reality, space technology, deep‐sea assignments, atomic energy remote education, and other areas. Herein, an innovative, self‐powered delta‐parallel (DT‐HMI) for 3D sensing control is proposed. By using three pairs triboelectric nanogenerator (TENG) gears based on both...

10.1002/admt.202000912 article EN Advanced Materials Technologies 2020-12-02

Abstract Minimally invasive surgery has attracted great attention due to small trauma, light pain, and quick recovery. Currently, most minimally surgical robots lack the ability force sense, resulting in high risks. Herein, a novel sensing feedback system for robot is proposed based on flexible triaxial capacitive sensor array. The sensors utilize microstructure electrode orthogonal triangular pyramid tackle trade‐off between sensitivity wide‐detection range, showing 0–3 N detection range...

10.1002/adsr.202300033 article EN cc-by Advanced Sensor Research 2023-05-18

In this paper, a master-slave robotic system with force sensing and feedback function is developed to address the critical issue of lacking haptic information in minimally invasive surgery (MIS). A three-dimensional (3D) micro sensor high sensitivity linearity designed integrated into end gripper slave manipulator. Consequently, real-time 3D interaction between tissues can be directly detected. The master manipulator equipped specially grasper. During clamping suturing operations, operator...

10.1109/jsen.2024.3380594 article EN IEEE Sensors Journal 2024-03-28

In endoscopic submucosal dissection (ESD), the gastrointestinal (GI) tract warrants surgical instruments to navigate through a long, narrow and tortuous endoscope. This poses great challenge in developing ESD with small dimensions, flexibility, high distal dexterity. this work, we propose first Transendoscopic Flexible Parallel Continuum Robotic mechanism develop miniature dexterous flexible-stiff-balanced Wrist (FPCW). Besides, it can steer multifunctional of diameters 2.5 mm 3.5 mm,...

10.1177/02783649231209338 article EN The International Journal of Robotics Research 2023-11-18

Abstract In robotic-assisted surgery (RAS), traditional surgical instruments without sensing capability cannot perceive accurate operational forces during the task, and such drawbacks can be largely intensified when sophisticated tasks involving flexible slender arms with small end-effectors, as in gastrointestinal endoscopic (GES). this study, we propose a microelectromechanical system (MEMS) piezoresistive 3-axial tactile sensor for GES forceps, which intuitively provide surgeons online...

10.1038/s41378-024-00774-6 article EN cc-by Microsystems & Nanoengineering 2024-09-27

Large Language Models (LLMs) have gained significant attention in the field of natural language processing (NLP) due to their wide range applications. However, training LLMs for languages other than English poses challenges, difficulty acquiring large-scale corpus and requisite computing resources. In this paper, we propose ChatFlow, a cross-language transfer-based LLM, address these challenges train large Chinese models cost-effective manner. We employ mix Chinese, English, parallel...

10.1109/icassp48485.2024.10446640 article EN ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2024-03-18

This paper reports a sensorized forcep with minimized force sensing chip to facilitate Robotic-assisted Minimally Invasive Surgery (RMIS). A piezoresistive triaxial sensor ( <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$2\ \text{mm}\times 2\ \text{mm}$</tex> ) is developed and integrated in the grasping head of continuum robot provide additional tactile RMIS. Biocompatible hemisphere cap enhances sensor's capability detection. 3-dimensioanl...

10.1109/nems51815.2021.9451326 article EN 2021-04-25

In this work, a bridge-type piezoelectric energy harvester combined with proof masses that can work at high acceleration was designed, simulated, and fabricated.The achieved by bonding bulk Pb[Zr x Ti 1-x ]O 3 (PZT) onto flexible phosphor bronze substrate lowtemperature process, an additional tungsten mass assembled the center of bridge top surface to reduce resonant frequency harvester.The device has good flexibility is operable under high-acceleration conditions.The experimental results...

10.18494/sam.2017.1586 article EN cc-by Sensors and Materials 2017-01-01

This paper presents a novel flexible triaxial force sensor based on the capacitive pressure array. The main structures of consist triangular pyramid microstructure electrode and orthogonal with spacing <tex>$20\ \mu\ \mathrm{m}$</tex>, which makes have large detection range high sensitivity at same time. array can measure in real time, ranges normal tangential are 0&#x2013;3 N 0&#x2013;0.5 N, respectively. proposed is expected to good application prospect field human-computer interaction.

10.1109/3m-nano49087.2021.9599733 article EN 2022 IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO) 2021-08-02

Large Language Models (LLMs) have gained significant attention in the field of natural language processing (NLP) due to their wide range applications. However, training LLMs for languages other than English poses challenges, difficulty acquiring large-scale corpus and requisite computing resources. In this paper, we propose ChatFlow, a cross-language transfer-based LLM, address these challenges train large Chinese models cost-effective manner. We employ mix Chinese, English, parallel...

10.48550/arxiv.2405.10626 preprint EN arXiv (Cornell University) 2024-05-17

<title>Abstract</title> In robotic-assisted surgery (RAS), traditional surgical instruments without sentient capability cannot perceive accurate operational forces during the task, and such drawbacks can be largely intensified when conducting sophisticated tasks using flexible slender arms with small end-effectors, e.g., in gastrointestinal endoscopic (GES). this work, we propose a micro-electro-mechanical systems (MEMS) piezoresistive 3-axial tactile sensor for GES forceps, which...

10.21203/rs.3.rs-4483564/v1 preprint EN cc-by Research Square (Research Square) 2024-06-13

Abstract This study presents a highly sensitive 3D force sensor based on piezoresistive cantilever with stress concentration. The achieves precise detection by integrating polydimethylsiloxane (PDMS) cap pyramid microstructures and silicon chip containing four cantilevers micro-hole at their root. Finite element simulation validates the superior performance of in enhancing sensitivity sensor. Compared to traditional cantilever, microhole design increases strain region 2 times 2.72 times....

10.1088/1742-6596/2809/1/012031 article EN Journal of Physics Conference Series 2024-08-01

10.1109/icpre62586.2024.10768669 article EN 2022 7th International Conference on Power and Renewable Energy (ICPRE) 2024-09-20

A double piezoresistive bridge, which can improve sensor sensitivity, cancell zero pressure offset and decrease thermal sensitivity drift, is presented. The most distinguishing feature of this that the output polarity two bridges opposite as applying to bridges, there same without on bridges. After subtracting one from another, sensitive twice large a single-bridge, depend temperature cancelled. When made diffused resistors with high level, it will have lower drift. expectative results been...

10.1109/imtc.1996.507434 article EN 2002-12-23

This paper proposes a wide range 3 dimensional (3D) tactile sensor with variable sensitivity by using the robust bridge, array pyramid structure, and different Young's modulus thickness of replaceable elastic layers on assembled sensor's surface. In structure sensor, forces acting surface elastomer were transmitted to bridges silicon chip through pyramids. Moreover, add one softer layer PDMS cap, hollow area will be compressed larger under action pressure since cap between cap. The...

10.1109/transducers50396.2021.9495728 article EN 2021-06-20

This paper presents a hybrid energy harvester based on tapered rollers with an electromagnetic generator (EMG) component and triboelectric nanogenerator (TENG) for ultra-low frequency wave harvesting. The chaotic pendulum is adjusted to adapt the excitation under different sea conditions, ensuring that device achieves optimal output performance. At of 1Hz tilt angle 60°, open-circuit voltage peaks 8.4 132 V can be achieved by EMG TENG, respectively, corresponding power outputs 4.38 0.078 mW,...

10.1109/powermems56853.2022.10007552 article EN 2022-12-12
Coming Soon ...