Results 41 to 50 of about 7,662 (263)

Anti‐Slip Material‐Based Strategies and Approaches

Advanced Materials Technologies, EarlyView.
This review highlights the principle mechanisms of slipping at the microscale, linking contact mechanics with a friction behavior model for surface interfaces. Main strategies to develop anti‐slip properties to the surfaces are discussed alongside standardized testing approaches.
Sogand Abbaspoor‐Zanjani, Carlo Antonini, Teresa Gatti, Mengjiao Wang   +3 more
wiley   +1 more source

Analysis of spin-up and spring back loads of landing gear based on slip rate

Hangkong gongcheng jinzhan
The landing gear spin-up and spring back loads are the important part of the aircraft landing load. In order to effectively analyze the spin-up and spring back loads of the landing gear in the preliminary design stage，the two-wheel strut landing gear ...
WU Ming, NIE Hong, ZHANG Ming, SHI Xiazheng   +3 more
doaj   +1 more source

Vision‐Assisted Avocado Harvesting with Aerial Bimanual Manipulation

Advanced Robotics Research, EarlyView.
This work outlines the design and implementation of a bimanual aerial robot that employs visual perception and learning to detect, reach, and harvest avocados. A new gripper and fixer arm assembly is used to harvest avocados, while visual perception enables the detection of avocados and estimation of their position and orientation for determining ...
Zhichao Liu, Jingzong Zhou, Caio Mucchiani, Konstantinos Karydis   +3 more
wiley   +1 more source

Dynamics Simulation Research on Tricycle Landing Gear UAV During Taxiing and Take-off Phase

Hangkong gongcheng jinzhan, 2018
The UAV taxiing and take-off phase is a dangerous phase in the flight process, during which the force of UAV is very complex and the dynamic characteristics is different from that in the air.
Zhang Lin, Gong Xiying, Pang Junfeng
doaj   +1 more source

Recent Advances in Variable‐Stiffness Robotic Systems Enabled by Phase‐Change Materials

Advanced Robotics Research, EarlyView.
Phase‐change materials (PCMs), such as shape memory alloys, hydrogels, shape memory polymers, liquid crystal elastomers, and low‐melting‐point alloys, are driving advancements in stiffness‐tunable robotic systems across a wide range of applications. This review highlights recent progress in PCM‐enabled robotics, focusing on their underlying mechanisms,
Sukrit Gaira, Liao Wu, Ming Li, Priyank Kumar, Xiaopeng Li, Shi‐Yang Tang   +5 more
wiley   +1 more source

Strength Analysis of a PTO (Power Take-Off) Gear-Train of a Multi-Purpose Cultivator during a Rotary Ditching Operation

Energies, 2019
Optimal design of transmission gears is important to ensure product durability and reliability. This study measured a multi-purpose cultivator during a rotary ditching operation and analyzed the strength of the power take off (PTO) gear-train for the ...
Yeon-Soo Kim, Pa-Ul Lee, Wan-Soo Kim, Oh-Won Kwon, Chang-Won Kim, Kyeong-Hwan Lee, Yong-Joo Kim   +6 more
doaj   +1 more source

Performance analysis of catch fisheries in Sabang Waters

Depik Jurnal, 2022
Sabang waters is one of the centers of capture fisheries production at the tip of the Sumatera Island which has a large potential of fish resources. However, information related to the performance of capture fisheries including fish production, fishing ...
Salmarika Salmarika, Imam Shadiqin, Muhammad Irham, Imelda Agustina, Rosi Rahayu, Ratna Mutia Aprilla, Alvi Rahmah   +6 more
doaj   +1 more source

Manufacture and Performance of Medium-Hardness Gears : Load-Carrying Capacity of Gears in the Combination of Ground and Hobbed Gears

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C, 1998
The load-carrying capacity of medium hardness gears was investigated from the viewpoint of gear-manufacturing methods (hardness, gear accuracy and tooth surface roughness). First, the gear accuracies and tooth surface roughnesses of ground gears, hobbed gears and finish hobbed gears were examined in detail.
Tsutomu NAKANISHI, Gang DENG, Yasutsune ARIURA   +2 more
openaire   +2 more sources

Soft Robotic Snake with Tunable Undulatory Gait for Efficient Underwater Locomotion

Advanced Robotics Research, EarlyView.
This study designs an underwater soft snake robot using 3D‐printed soft actuators, controlled by specific signals to generate sinusoidal undulation. Results show a positive correlation between speed and swing amplitude, with optimal performance at 2/3π phase offset, PLA tail, 1.2 voltage growth rate, and 6s undulation period achieving a maximum speed ...
Huichen Ma, Junjie Zhou, Raye Yeow
wiley   +1 more source

A Novel Ground-to-Elevated Mobile Manipulator Base System for High-Altitude Operations

Machines
Mobile manipulators have the potential to replace manual labor in various scenarios. However, current mobile base designs have limitations when it comes to accommodating complex movements that involve both high-altitude tasks and ground-based composite ...
Hongjia Wu, Chengzhang Gong, Li Fan, Guoan Liu, Yonghuang Zheng, Tingzheng Shen, Xiangbo Suo   +6 more
doaj   +1 more source