Results 71 to 80 of about 32,976 (190)
The position measurement angle error (contains measurement delay angle and periodic angle error) plays a significant role in PMSM drives, especially when the motor is rotating in the flux weakening (FW) region. In this paper, the impact of the position angle error on the performance of the PMSM drives for EPS in a wide speed range has been elaborated ...
Xi Liu +6 more
wiley +1 more source
There is described the work on the project, carried out at the enterprise Element JSC for the creation of aircraft gas turbine engine simulator stands, for the maintenance and testing of some digital regulators for helicopter and aircraft engines ...
Анна Григорьевна Буряченко +3 more
doaj +1 more source
Self‐supervised monocular depth estimation recovers 3D scene geometry from a single image without ground‐truth labels. This review synthesizes stereo‐ and video‐based paradigms, benchmarks, and emerging optimization strategies, and identifies future research avenues toward robust, real‐time applications.
Haobo Xie, Yiquan Wu
wiley +1 more source
In this article, the natural-convective flow of an electrically conducting nanofluid adjacent to a spinning down-pointing vertical cone in the presence of transverse magnetic field is studied.
Mohammad Aghamajidi +3 more
doaj +1 more source
Fe(3): An Evaluation Tool for Low-Altitude Air Traffic Operations [PDF]
The concepts of unmanned aircraft system traffic management (UTM) and urban air mobility (UAM) are introducing high-density operations in low altitude airspace in closer proximity to populated areas than conventional high-altitude air traffic.
Ishihara, Abraham +4 more
core +2 more sources
Photogrammetry-Based Analysis of the On-Orbit Structural Dynamics of the Roll-Out Solar Array [PDF]
The Roll-Out Solar Array (ROSA) flight experiment was launched to the International Space Station (ISS) on June 3rd, 2017. ROSA is an innovative, lightweight solar array with a flexible substrate that makes use of the stored strain energy in its ...
Banik, Jeremy A. +2 more
core +1 more source
The article shows that the use of modern navigation systems and complexes for controlling the movement of water transport vehicles allows for safe navigation. It is substantiated that the proper work of navigation equipment – radio navigation complexes –
Олена Анатоліївна Дакі
doaj +1 more source
Baseline Assumptions and Future Research Areas for Urban Air Mobility Vehicles [PDF]
NASA is developing Urban Air Mobility (UAM) concepts to (1) create first-generation reference vehicles that can be used for technology, system, and market studies, and (2) hypothesize second-generation UAM aircraft to determine high-payoff technology ...
Antcliff, Kevin +3 more
core +1 more source
Developing Primary Propulsion for the Ares I Crew Launch Vehicle and Ares V Cargo Launch Vehicle [PDF]
In accordance with the U.S. Vision for Space Exploration, NASA has been tasked to send human beings to the moon, Mars, and beyond. The first stage of NASA's new Ares I crew launch vehicle (Figure 1), which will loft the Orion crew exploration vehicle ...
Burt, Rick +3 more
core +1 more source
The article determines that at the present stage of the project management development in information-oriented society, the decision-making process on the efficiency of the knowledge management system assessment is complicated, due to the lack of ...
Василь Михайлович Вартанян +1 more
doaj +1 more source

