104 Hits in 8.2 sec

Movement Detection in Soft Robotic Gripper using Sinusoidally Embedded Fiber Optic Sensor

Mei Yang, Qidi Liu, Hamza Sayed Naqawe, Mable P. Fok
2020 Sensors  
The combination of a soft robot and stretchable fiber optic sensor is a novel approach to enable a soft robot to sense and response to its surroundings, as well as to provide its operation status to the  ...  However, due to the complex motions of soft robots and the stretchable nature of soft building materials, conventional electronic and fiber optic sensors cannot be used in soft robots, thus, hindering  ...  Funding: No funding is associated with this research. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s20051312 pmid:32121229 pmcid:PMC7085586 fatcat:5tep4trqczdsnigqgbbcnntwtq

A Review of Printable Flexible and Stretchable Tactile Sensors

Kirthika Senthil Kumar, Po-Yen Chen, Hongliang Ren
2019 Research  
applications and highlights challenges and opportunities in this research paradigm.  ...  This review is aimed at summarizing the recent progress of rapid prototyping of sensors, printable material preparation, required printing properties, flexible and stretchable mechanisms, and promising  ...  Acknowledgments This research is supported by the Singapore Academic Research Fund under Grant R-397-000-297-114.  ... 
doi:10.34133/2019/3018568 pmid:31912031 pmcid:PMC6944518 fatcat:2rmgnksnwzcy3ki2yj6sgnhrhq

3D Printed Sensors for Biomedical Applications: A Review

Tao Han, Sudip Kundu, Anindya Nag, Yongzhao Xu
2019 Sensors  
This paper showcases a substantial review on some of the significant work done on 3D printing of sensors for biomedical applications.  ...  Finally, a conclusion of the paper is provided with some of the challenges of the current 3D printing techniques about the developed sensing prototypes, their corresponding remedial solutions and a market  ...  [85] fabricated a soft pneumatic actuator based on the DLP technique that can develop enough deformation under high pressure.  ... 
doi:10.3390/s19071706 fatcat:ymar23hjgfccdmeopwpewvd5ea

Material Challenges and Opportunities in 3D Printing for Hip Implant Applications

Obinna Okolie, Advanced Materials Research Group, School of Engineering, Robert Gordon University, Riverside East, Garthdee Road, Aberdeen UK, Iwona Stachurek, Balasubramanian Kandasubramanian, James Njuguna, Łukasiewicz Research Network-Krakow Institute of Technology, 73 Zakopianska Street, Krakow 30-418, Poland, Rapid Prototyping Lab, Department of Metallurgical and Materials Engineering, Defence Institute of Advanced Technology (DU), Ministry of Defence, Girinagar, Pune 411025, Maharashtra, India, Advanced Materials Research Group, School of Engineering, Robert Gordon University, Riverside East, Garthdee Road, Aberdeen UK, National Subsea Centre, Visit us: 3 International Avenue, Dyce, Aberdeen, AB21 0BH, Scotland
2021 Recent Progress in Materials  
The work is concluded with some concluding remarks on opportunities, challenges, and future trends.  ...  It is comprehensive as it starts with hip biomechanism in gait and stress distribution to give the reader a clear perspective of the magnitude of challenges for hip implants and details to consider when  ...  Concluding Remarks, Opportunities, Challenges, and Future Trends  ... 
doi:10.21926/rpm.2201004 fatcat:le6oqiaaqjbbpjidslr4aulfam

Control-Based 4D Printing: Adaptive 4D-Printed Systems

Ali Zolfagharian, Akif Kaynak, Mahdi Bodaghi, Abbas Z. Kouzani, Saleh Gharaie, Saeid Nahavandi
2020 Applied Sciences  
This paper demonstrates the adaptivity of these systems via a combination of proprioceptive sensory feedback, modeling and controllers, as well as the challenges and future opportunities they present.  ...  The adaptive 4D-printed systems incorporated synergic integration of three-dimensional (3D)-printed sensors into 4D-printing and control units, which could be assembled and programmed to transform their  ...  Section 5 concludes the paper by presenting the challenges and future opportunities of these systems.  ... 
doi:10.3390/app10093020 fatcat:gmjopy24lfaxbb5iswmfseb3ce

A 3D Printed Modular Soft Gripper Integrated With Metamaterials for Conformal Grasping

Charbel Tawk, Rahim Mutlu, Gursel Alici
2022 Frontiers in Robotics and AI  
A three-dimensional (3D) printed modular soft gripper with highly conformal soft fingers that are composed of positive pressure soft pneumatic actuators along with a mechanical metamaterial was developed  ...  The fingers of the soft gripper along with the mechanical metamaterial, which integrates a soft auxetic structure and compliant ribs, was 3D printed in a single step, without requiring support material  ...  A Review of 3DPrintable Soft Pneumatic Actuators and Sensors: Research Challenges and Opportunities. Adv. Intell.  ... 
doi:10.3389/frobt.2021.799230 pmid:35071336 pmcid:PMC8782332 fatcat:cnbbb5k7bnaploxsrtdjup6dyi

Material Design for Enhancing Properties of 3D Printed Polymer Composites for Target Applications

Vinita V. Shinde, Yuyang Wang, Md Fahim Salek, Maria L. Auad, Lauren E. Beckingham, Bryan S. Beckingham
2022 Technologies  
Moreover, 3D printing of flexible energy-storage devices (FESD), including batteries, supercapacitors, and soft robotics using soft materials (polymers), is discussed as well as the application of 3D printing  ...  This review provides insights on different materials used for 3D printing of polymer composites to enhance mechanical properties and improve service life of polymer materials.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/technologies10020045 fatcat:qhlqjidh4jhitgyr3wex3yeqma

Intelligent Soft Surgical Robots for Next‐Generation Minimally Invasive Surgery

Jiaqi Zhu, Liangxiong Lyu, Yi Xu, Huageng Liang, Xiaoping Zhang, Han Ding, Zhigang Wu
2021 Advanced Intelligent Systems  
Acknowledgements The materials based on the work were partly financially supported by National Key R&D Program of China (2017YFB1303100) and National Science Foundation of China (U1613204).  ...  a pneumatic soft actuator  ...  [236] SMP has also been reported to be 3D printable via FDM in a variable-stiffness soft gripper study.  ... 
doi:10.1002/aisy.202100011 fatcat:3zntsfo5yrajbel5pyfn4yjrcq

Control Strategies for Soft Robot Systems

Jue Wang, Alex Chortos
2022 Advanced Intelligent Systems  
Diversity of actuator mechanisms in soft robots. a) Curved unimorph piezoelectric actuator. Reproduced with permission. [218] Copyright 2019, AAAS. b) Dielectric elastomer fiber actuator.  ...  Reproduced with permission. [63] Copyright 2012, IEEE. i) Pneumatic soft continuum robot. Reproduced with permission. [17] Copyright 2016, SAGE. j) Gripper based on the jamming of granular.  ...  Consequently, the key challenge is the generation of Figure 8 . Autonomous control of soft robot systems a) Pneumatic adaptive control system for a single actuator of a soft glove.  ... 
doi:10.1002/aisy.202100165 fatcat:7lprttmqgvfadlrzzre255f7sq

Recent Trends and Innovation in Additive Manufacturing of Soft Functional Materials

Jaime Eduardo Regis, Anabel Renteria, Samuel Ernesto Hall, Md Sahid Hassan, Cory Marquez, Yirong Lin
2021 Materials  
Additionally, advances in soft devices in the fields of soft robotics, biomaterials, sensors, energy harvesters, and optoelectronics are discussed.  ...  Lastly, current challenges in AM for soft functional materials and future trends are discussed.  ...  HRD-1810898 and the National Science Foundation Graduate Research Fellowship under Grant No. 1848741 for their support.  ... 
doi:10.3390/ma14164521 pmid:34443043 pmcid:PMC8399226 fatcat:tdzydk36k5dkvkom7mcgf6vmbm

Advances in Liquid Metal-Enabled Flexible and Wearable Sensors

Yi Ren, Xuyang Sun, Jing Liu
2020 Micromachines  
The perspectives of liquid-metal soft sensors is finally interpreted to conclude the future challenges and opportunities.  ...  This article presents a systematic review of the typical progress of liquid metal-enabled soft sensors, including material innovations, fabrication strategies, fundamental principles, representative application  ...  All these research works prove that a liquid-metal connection provides advantages in fabricating flexible sensors. Micromachines 2020, 11, x FOR PEER REVIEW 10 of 25 Figure 6 .  ... 
doi:10.3390/mi11020200 pmid:32075215 pmcid:PMC7074621 fatcat:sjc62orhzvdjvizqjb3ckqx3dy

3D Printing Polymeric Materials for Robots with Embedded Systems

Ray Noel Medina Delda, Rex Balisalisa Basuel, Rodel Peralta Hacla, Dan William Carpiano Martinez, John-John Cabibihan, John Ryan Cortez Dizon
2021 Technologies  
The fabrication of robots and their embedded systems is challenging due to the complexity of the interacting components.  ...  This review paper revealed that the key areas requiring more research are material formulations for improved mechanical properties, cost, and the inclusion of materials for specific applications.  ...  This study provides a taxonomy of 3D printing materials for embedded robotics; researchers and roboticists can review 3D printing materials and compare their advantages and disadvantages based on robotic  ... 
doi:10.3390/technologies9040082 fatcat:pcqynvvibvfz3niwclwjlddwx4

From Bioinspiration to Computer Generation: Developments in Autonomous Soft Robot Design

Joshua Pinskier, David Howard
2021 Advanced Intelligent Systems  
Combining hard, soft, elastic, and conductive materials, entire functional soft robots can now be printed including sensors and actuators. [3, 4] While existing research has focused on the applications  ...  Typically, a gradient-based algorithm optimizes the geometry, materials, or actuation within specified bounds. [5] While these create  ...  The result is a 3D printable pneumatic object, which requires only the air inlet to be manually placed.  ... 
doi:10.1002/aisy.202100086 fatcat:jlazieflsjdy3gwydrc5u4vq2u

3D-Printed Immunosensor Arrays for Cancer Diagnostics

Mohamed Sharafeldin, Karteek Kadimisetty, Ketki S. Bhalerao, Tianqi Chen, James F. Rusling
2020 Sensors  
In this review, we offer a comprehensive description of 3D printing techniques commonly used to develop immunosensors, arrays, and microfluidic arrays.  ...  Finally, we discuss current challenges and limitations associated with available 3D printing technology and future directions of this field.  ...  These drawbacks are driving research boundaries of 3D printing to address new challenges and prior limitations.  ... 
doi:10.3390/s20164514 pmid:32806676 pmcid:PMC7472114 fatcat:ava6ml4bv5bd3mxddlwgo24vc4

Three-Dimensional Printed Devices in Droplet Microfluidics

Jia Ming Zhang, Qinglei Ji, Huiling Duan
2019 Micromachines  
In this article, we review and discuss current development, opportunities and challenges of applications of 3DP to droplet microfluidics.  ...  Complex and novel structures can be achieved via 3DP in a simple and rapid manner, enabling droplet microfluidics accessible to more extensive users.  ...  (iv) The challenges and opportunities for 3DP development in droplet microfluidics are discussed.  ... 
doi:10.3390/mi10110754 pmid:31690055 pmcid:PMC6915402 fatcat:3fbbtyglg5fsho5ndvpsjt3s2m
« Previous Showing results 1 — 15 out of 104 results