Results 121 to 130 of about 14,938 (340)

Design Optimization of a Variable Stiffness Robotic Gripper with Passive Restoration Fabricated by Multimaterial 3D Printing

Advanced Robotics Research, EarlyView.
A multimaterial robotic gripper fabricated via multimaterial 3D printing integrates conductive thermopolymer joints with flexible elastomeric components. Joule heating enables precise joint‐level stiffness modulation, enhanced by embedded temperature sensors, passive shape restoration, and active cooling, enabling versatile manipulation capabilities ...
Daniel Jee Seng Goh, Guo Liang Goh, Selvanther Sivarajan, Van Pho Nguyen, Wai Yee Yeong   +4 more
wiley   +1 more source

Lab-Scale Thermal Decomposition of Hydrogen Peroxide as Green Propellant over Low-Cost Catalysts Based on Copper Deposited on Different Supports

Aerospace
The thermal decomposition of hydrogen peroxide (H2O2) as a promising green propellant was performed over free-noble metallic-based catalysts deposited on abundant supports.
Imane Remissa, Ahmed E. S. Nosseir, Amit Tiwari, Ahmed Bachar, Assia Mabrouk, Rachid Amrousse   +5 more
doaj   +1 more source

Orbit Selection for the Proposed Lynx Observatory Mission [PDF]

The Advanced Concepts Office design team performed several analyses and trades in support of orbit selection for the proposed Lynx mission, an x-ray observatory being submitted to the Astro2020 Decadal Survey.
Baysinger, M., Boswell, T. M., Capizzo, P. D., Fabisinski, L. L., Garcia, J. C., Hopkins, R. C., Schnell, A. R., Suggs, R. J., Sutherlin, S. G.   +8 more
core   +1 more source

Liquid Metal Sensors for Soft Robots

Advanced Robotics Research, EarlyView.
This review thoroughly reviews liquid metal sensors in soft robots. Their unique material properties like high conductivity and good biocompatibility are analyzed. Working principles are classified, and applications in environmental perception, motion detection, and human—robot interaction are introduced.
Qi Zhang, Nan Li, Yujia Song, Chen Hua, Tangzhen Guan, Yibing Ma, Cai Cheng, Jing Liu   +7 more
wiley   +1 more source

Inside Back Cover: Making Progress Towards «Green» Propellants (Prop., Explos., Pyrotech. 8/2018) [PDF]

, 2018
Alain Dejeaifve, André Fantin, Lara Monseur, Rowan Dobson   +3 more
openalex   +1 more source

Advanced techniques for determining long term compatibility of materials with propellants [PDF]

A method for the prediction of propellant-material compatibility for periods of time up to ten years is presented. Advanced sensitive measurement techniques used in the prediction method are described.
Green, R. L., Pullen, K. E., Smith, A. W., Stebbins, J. P.   +3 more
core   +1 more source

Finite element formulation for modelling nonlinear viscoelastic elastomers [PDF]

, 2008
Nonlinear viscoelastic response of reinforced elastomers is modeled using a three-dimensional mixed finite element method with a nonlocal pressure field.
Areias, P.
core  

Multimodal Actuation and Environment Adaptive Strategies of Bio‐Inspired Micro/Nanorobots in Precision Medicine

Advanced Robotics Research, EarlyView.
An introduction for multidrive and environment‐adaptive micro/nanorobotics: design and fabrication strategies, intelligent actuation, and their applications. Various intelligent actuation approaches—magnetic, acoustic, optical, chemical, and biological—can be synergistically designed to enhance flexibility and adaptive behavior for precision medicine ...
Aiqing Ma, Han Gong, Jiacheng Ouyang, Liqi Chen, Tianfang Kang, Yiran He, Guojun Huang, Sidi Zheng, Ting Yin, Hong Pan, Lintao Cai   +10 more
wiley   +1 more source

Combinations of essential oils as effective green stabilizers for single base propellants [PDF]

, 2023
José Daniel Langendorf da Silva, Rodrigo Leonard Barboza Rodrigues, Rogério Rosato, Maurício Ferrapontoff Lemos, Letivan Mendonça Filho, Tanos C. C. França, Fernando Cunha Peixoto   +6 more
openalex   +1 more source

Solar power satellite system definition study. Part 1 and part 2, volume 1: Executive summary [PDF]

The Solar Power Satellite principle is illustrated and it shows that in a geostationary orbit 36,000 km above the earth's equator, each SPS is in sunlight 99% of the time and in continuous line of sight contact with its ground receiving station ...

core   +1 more source