Results 1 to 10 of about 7,500 (214)

Model and Optimization of the Tether for a Segmented Space Elevator

Aerospace, 2022
In order to improve the shortcomings of the traditional constant section and gradual section space elevator system, combined with the advantages of constant section and gradual section space elevator system, a model of segmented space elevator system is ...
Shihao Luo, Naigang Cui, Xiaowei Wang, Youhua Fan, Run Shi   +4 more
doaj   +3 more sources

Application of Absolute Nodal Coordinate Formulation in Calculation of Space Elevator System

Applied Sciences, 2021
The space elevator system is a space tether system used to solve low-cost space transportation. Its high efficiency, large load, reusability and other characteristics have broad application prospects in the aerospace field.
Shihao Luo, Youhua Fan, Naigang Cui
doaj   +3 more sources

Feasibility of autonomous medication delivery robots considering elevator utilization in high-traffic hospital environments [PDF]

Digital Health
Background Autonomous medication delivery robots can streamline hospital logistics. However, their feasibility under elevator congestion remains uncertain.
Yourack Lee, Song-Ee Kim, Jeong Su Kim, Hyeong Guk SON, Sung Hyeon Lee, Hyung-joo Lee, Hyobeen Jeong, Jin Woo Lim, Sug Young Park, Yong Joo Lee, So Jung Kang, Chanho Park, Jung Boone Kim, Minsun Kim, Jang Pyo Yu, Quoc Huy Tran, Jun Seo Park, Il-Ho Park   +17 more
doaj   +2 more sources

Building the space elevator: lessons from biological design [PDF]

Journal of the Royal Society Interface, 2018
Sean X. Sun, Dan Popescu
exaly   +2 more sources

The Stability Analysis of a Tether for a Segmented Space Elevator

Aerospace, 2022
The space elevator system is a space tether system used to solve low-cost space transportation. Its high efficiency, large load and other characteristics have broad application prospects in the aerospace field. The stability analysis is the foundation of
Shihao Luo, Naigang Cui, Xiaowei Wang, Youhua Fan, Haitao Gu   +4 more
doaj   +1 more source

Dynamics and Energy Analysis of Nonequatorial Space Elevator Using Three-Dimensional Nonlinear Finite Element Method Extended to Noninertial Coordinate System

IEEE Access, 2022
A space elevator is a futuristic space transportation technology that enables low-cost and versatile payload transportation using climbers on a tether deployed from the geostationary orbit (GEO).
Ryo Kuzuno, Shuonan Dong, Taiki Okada, Keisuke Otsuka, Kanjuro Makihara   +4 more
doaj   +1 more source

A dynamic model for elevator operation-induced spread of a respiratory infectious disease in an apartment building

Heliyon, 2023
Residents have to use elevators to leave and enter their high-rise apartments frequently. An elevator car can easily spread respiratory infectious diseases, as it has a confined and small space.
Zuiyuan Guo, Guangquan Xiao, Jianhong Du, Wei Cui, Bing Li, Dan Xiao   +5 more
doaj   +1 more source

Simulative validation of a novel experiment carrier for the Einstein-Elevator

Scientific Reports, 2023
In order to develop hardware that can be used in space, tests under those space conditions are often important to ensure the functionality in advance.
Richard Sperling, Marvin Raupert, Christoph Lotz, Ludger Overmeyer   +3 more
doaj   +1 more source

Study on Human Thermal Comfort in Asymmetric Radiant Heat Environment in Large Space [PDF]

E3S Web of Conferences, 2022
In order to study indoor temperature distribution in a large space and thermal comfort of human, an environmental test and questionnaires were carried out at an airport in Xi’an in summer.
Hu Rong, Wang Haolin, Li Yueming
doaj   +1 more source

Unsupervised Transfer Learning for Remaining Useful Life Prediction of Elevator Brake

Shanghai Jiaotong Daxue xuebao, 2021
In order to improve the life prediction effect of elevator brake in the real working environment, an unsupervised deep transfer learning (UDTL) method based on long short-term memory encoder-decoder (LSTM-ED) was proposed.
JIANG Yudi, HU Hui, YIN Yuehong
doaj   +1 more source