Results 71 to 80 of about 36,405 (269)

ON LOCOMOTIVE ENGINES. [PDF]

open access: yesMinutes of the Proceedings of the Institution of Civil Engineers
n ...
openaire   +2 more sources

Improving the Robustness of Visual Teach‐and‐Repeat Navigation Using Drift Error Correction and Event‐Based Vision for Low‐Light Environments

open access: yesAdvanced Robotics Research, EarlyView.
Visual teach‐and‐repeat (VTR) navigation allows robots to learn and follow routes without building a full metric map. We show that navigation accuracy for VTR can be improved by integrating a topological map with error‐drift correction based on stereo vision.
Fuhai Ling, Ze Huang, Tony J. Prescott
wiley   +1 more source

Micro-computed tomographical and histopathological analyses of medial tibial plateaus from patients with subchondral insufficiency fracture or osteoarthritis of the knee

open access: yesArthritis Research & Therapy
Background Subchondral insufficiency fracture of the knee (SIFK) is a rare and rapidly progressing knee joint disease. The typical diagnostic finding of SIFK by magnetic resonance imaging (MRI) is a subchondral hypointense line around the bone marrow ...
Takuya Yamamura   +7 more
doaj   +1 more source

Locomotive Superheaters : Instructions for Installation, Operation, Maintenance, Repairs

open access: yes, 1917
Na enc.: Instructions relating to Superheater ...
Anonymous
core  

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

open access: yesAdvanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

Electric Locomotives [PDF]

open access: yesProceedings of the Institution of Mechanical Engineers, 1922
n ...
openaire   +1 more source

Locomotion: Dealing with friction [PDF]

open access: yesProceedings of the National Academy of Sciences, 1998
To move on land, in water, or in the air, even at constant speed and at the same level, always requires an expenditure of energy. The resistance to motion that has to be overcome is of many different kinds depending on size, speed, and the characteristics of the medium, and is a fascinating subject in itself.
openaire   +3 more sources

Multimodal Locomotion in Insect‐Inspired Microrobots: A Review of Strategies for Aerial, Surface, Aquatic, and Interfacial Motion

open access: yesAdvanced Robotics Research, EarlyView.
This review identifies key design considerations for insect‐inspired microrobots capable of multimodal locomotion. To draw inspiration, biological and robotic strategies for moving in air, on water surfaces, and underwater are examined, along with approaches for crossing the air–water interface.
Mija Jovchevska   +2 more
wiley   +1 more source

Design of a Novel Integrated Control System to Enhance Speed Planning and Control Efficiency for Subway Train

open access: yesIET Intelligent Transport Systems
The traditional distributed control system of trains faces challenges such as weak functional coordination, limited information sharing, significant control response delays, and low speed control accuracy, thereby impeding the efficient and energy‐saving
Jing Shang, Cheng Li, Xiwen Yuan
doaj   +1 more source

Analysis and Prospect of Hydrogen Energy Application in the Field of Rail Transit

open access: yesChengshi guidao jiaotong yanjiu
Objective Hydrogen energy becomes one of the solutions for energy transition in rail transit due to its characteristics such as abundant reserves, ecological friendliness, and efficient transition.
DONG Kan   +5 more
doaj   +1 more source

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