Chengfeng Pan
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View article: Beyond surface tension-dominated water surface jumping
Beyond surface tension-dominated water surface jumping Open
Water surface jumping motions of semi-aquatic insects are primarily rely on surface tension-dominated jumping mechanism to achieve impressive jumping performance. However, this mechanism faces an inherent physical constraint: the propulsio…
View article: Fracture-driven power amplification in a hydrogel launcher
Fracture-driven power amplification in a hydrogel launcher Open
Robotic tasks that require robust propulsion abilities such as jumping, ejecting or catapulting require power-amplification strategies where kinetic energy is generated from pre-stored energy. Here we report an engineered accumulated strai…
View article: Large-area magnetic skin for multi-point and multi-scale tactile sensing with super-resolution
Large-area magnetic skin for multi-point and multi-scale tactile sensing with super-resolution Open
The advancements in tactile sensor technology have found wide-ranging applications in robotic fields, resulting in remarkable achievements in object manipulation and overall human-machine interactions. However, the widespread availability …
View article: Split‐Type Magnetic Soft Tactile Sensor with 3D Force Decoupling (Adv. Mater. 11/2024)
Split‐Type Magnetic Soft Tactile Sensor with 3D Force Decoupling (Adv. Mater. 11/2024) Open
Flexible Electronics In article number 2310145, Huangzhe Dai, Chengqian Zhang, Peng Zhao, and co-workers present a magnetic tactile sensor with 3D decoupling perception for arbitrary forces through magnetic field signal of a centripetally …
View article: Effects of extreme hydrostatic pressure on the molecular structure and properties of the elastomeric material for soft robots
Effects of extreme hydrostatic pressure on the molecular structure and properties of the elastomeric material for soft robots Open
The successful exploration of the Mariana Trench, Earth's deepest trench, by soft robots inspired by deep-sea organisms, showcasing the potential of soft robots for extreme deep-sea exploration. However, deep-sea extreme pressure significa…
View article: Large-area Magnetic Skin for Multi-point and Multi-scale Tactile Sensing with Super-resolution
Large-area Magnetic Skin for Multi-point and Multi-scale Tactile Sensing with Super-resolution Open
The advancements in tactile sensor technology have found wide-ranging applications in robotic fields, resulting in remarkable achievements in object manipulation and overall human-machine interactions. However, the widespread availability …
View article: Modularized microrobot with lock-and-detachable modules for targeted cell delivery in bile duct
Modularized microrobot with lock-and-detachable modules for targeted cell delivery in bile duct Open
The magnetic microrobots promise benefits in minimally invasive cell-based therapy. However, they generally suffer from an inevitable compromise between their magnetic responsiveness and biomedical functions. Herein, we report a modularize…
View article: Split‐Type Magnetic Soft Tactile Sensor with 3D Force Decoupling
Split‐Type Magnetic Soft Tactile Sensor with 3D Force Decoupling Open
Tactile sensory organs for sensing 3D force, such as human skin and fish lateral lines, are indispensable for organisms. With their sensory properties enhanced by layered structures, typical sensory organs can achieve excellent perception …
View article: Locating Everyday Objects Using NFC Textiles
Locating Everyday Objects Using NFC Textiles Open
This paper builds a Near-Field Communication (NFC) based localization system that allows ordinary surfaces to locate surrounding objects with high accuracy in the near-field. While there is rich prior work on device-free localization using…
View article: Coaxially printed magnetic mechanical electrical hybrid structures with actuation and sensing functionalities
Coaxially printed magnetic mechanical electrical hybrid structures with actuation and sensing functionalities Open
Soft electromagnetic devices have great potential in soft robotics and biomedical applications. However, existing soft-magneto-electrical devices would have limited hybrid functions and suffer from damaging stress concentrations, delaminat…
View article: Wirelessly powered deformable electronic stent for noninvasive electrical stimulation of lower esophageal sphincter
Wirelessly powered deformable electronic stent for noninvasive electrical stimulation of lower esophageal sphincter Open
Electrical stimulation is a promising method to modulate gastrointestinal disorders. However, conventional stimulators need invasive implantation and removal surgeries associated with risks of infection and secondary injuries. Here, we rep…
View article: Swimming of the midge larva: principles and tricks of locomotion at intermediate Reynolds number
Swimming of the midge larva: principles and tricks of locomotion at intermediate Reynolds number Open
At the millimeter scale and in the intermediate Reynolds number (Re) regime, the midge and mosquito larvae can reach swimming speeds of more than one body length per cycle performing a "figure-of-8" gait, in which their elongated bodies pe…
View article: Leech‐Inspired Shape‐Encodable Liquid Metal Robots for Reconfigurable Circuit Welding and Transient Electronics
Leech‐Inspired Shape‐Encodable Liquid Metal Robots for Reconfigurable Circuit Welding and Transient Electronics Open
Deformability and self‐adaptability are important for soft robots to deal with uncertain and varying situations and environments during movement and navigation. Droplet‐based robots are great candidates to travel inside narrow and constrai…
View article: Untethered small-scale magnetic soft robot with programmable magnetization and integrated multifunctional modules
Untethered small-scale magnetic soft robot with programmable magnetization and integrated multifunctional modules Open
Intelligent magnetic soft robots capable of programmable structural changes and multifunctionality modalities depend on material architectures and methods for controlling magnetization profiles. While some efforts have been made, there are…
View article: Leech-Inspired Shape-Encodable Liquid Metal Robots for Reconfigurable Circuit Welding and Transient Electronics
Leech-Inspired Shape-Encodable Liquid Metal Robots for Reconfigurable Circuit Welding and Transient Electronics Open
Deformability and self-adaptability are important for soft robots in order to deal with uncertain and varying situations and environments during movement and navigation. Droplet-based robots are great candidates to travel inside narrow and…
View article: Decoupling and Reprogramming the Wiggling Motion of Midge Larvae Using a Soft Robotic Platform
Decoupling and Reprogramming the Wiggling Motion of Midge Larvae Using a Soft Robotic Platform Open
The efficient motility of invertebrates helps them survive under evolutionary pressures. Reconstructing the locomotion of invertebrates and decoupling the influence of individual basic motion are crucial for understanding their underlying …
View article: Speech Recognition Using RFID Tattoos (Extended Abstract)
Speech Recognition Using RFID Tattoos (Extended Abstract) Open
This paper presents a radio-frequency (RF) based assistive technology for voice impairments (i.e., dysphonia), which occurs in an estimated 1% of the global population. We specifically focus on acquired voice disorders where users continue…
View article: Locating Everyday Objects using NFC Textiles
Locating Everyday Objects using NFC Textiles Open
This paper builds a Near-field Communication (NFC) based localization system that allows ordinary surfaces to locate surrounding objects with high accuracy in the near-field. While there is rich prior work on device-free localization using…
View article: A multifunctional shape-morphing elastomer with liquid metal inclusions
A multifunctional shape-morphing elastomer with liquid metal inclusions Open
Significance Research in soft robotics and wearable technologies has led to increasing demand for shape-changing materials that can be powered with portable electronics. Liquid crystal elastomers (LCEs) are a promising functional material …
View article: Constructing Submicron-Texture on Diamond-Wire-Sawn Multi-Crystalline Silicon Solar Cells via Copper Catalyzed Chemical Etching
Constructing Submicron-Texture on Diamond-Wire-Sawn Multi-Crystalline Silicon Solar Cells via Copper Catalyzed Chemical Etching Open
Mass production of diamond-wire-sawn multi-crystalline silicon (DWS mc-Si) solar cells reach a tipping point with the maturement of metal catalyzed chemical etching (MCCE) technique. However, nano-textured DWS mc-Si solar cells based on Ag…
View article: Fabrication of Micro-Needle Electrodes for Bio-Signal Recording by a Magnetization-Induced Self-Assembly Method
Fabrication of Micro-Needle Electrodes for Bio-Signal Recording by a Magnetization-Induced Self-Assembly Method Open
Micro-needle electrodes (MEs) have attracted more and more attention for monitoring physiological electrical signals, including electrode-skin interface impedance (EII), electromyography (EMG) and electrocardiography (ECG) recording. A mag…