Results 31 to 40 of about 43,408 (125)
Kinematics and Statics Analysis of Single Drive Multi-mode Metamorphic Manipulators
In order to achieve accurate grasping of the target object with fewer drives, a metamorphic manipulator with single drive and multi-mode is proposed by combining metamorphic principle with the kite-straight-line mechanism.
Chang Boyan +3 more
doaj
Three-Band Spectral Camera Structure Design Based on the Topology Optimization Method
The housing and bracket structure are critical components of multispectral cameras; the mechanical properties significantly affect the stability of the optical system and the imaging quality.
Kai Hu +4 more
doaj +1 more source
Simulation on following Performance of High-Speed Railway In Situ Testing System
Subgrade bears both the weight of superstructures and the impacts of running trains. Its stability affects the line smoothness directly, but in situ testing method on it is inadequate. This paper presents a railway roadbed in situ testing device, the key
Fei-Long Zheng +2 more
doaj +1 more source
Drought is regarded as one of the most intangible and creeping natural disasters, which occurs in almost all climates, and its characteristics vary from region to region.
Shahab S. Band +10 more
doaj +1 more source
Ensuring of the industrial robot link motion accuracy parameters in the low-speed zone
Introduction. The article is devoted to the search for a method of reducing the effect of friction links mobility industrial robot PR (production mechanism PM) with frequency-controlled electric drive (FCED) on the static error (accuracy) positioning of ...
N. F. Karnaukhov +3 more
doaj +1 more source
Model and phase-diagram analysis of photothermal instabilities in an optomechanical resonator
A study of the phototermal instabilities in a Fabry–Perot cavity is reported, where one mirror consists of a silicon-nitride membrane coated by the molecular organic semiconductor tris(8-hydroxyquinoline) aluminum and silver layers.
Alessandra Bigongiari +5 more
doaj +1 more source
Dynamics of Population Patch Distribution
The problem of selection by the patch population in the absence of information on the utility of the patch, that is, the volume of its energy resources, is considered. This problem relates to the theory of optimal foraging. U.
Alexander N. Kirillov, Inna V. Danilova
doaj +1 more source
Evolution of the Early Universe in Einstein–Cartan Theory
Einstein–Cartan theory is a generalization of general relativity that introduces spacetime torsion. In this paper, we perform phase space analysis to investigate the evolution of the early universe in Einstein–Cartan theory.
Qihong Huang +3 more
doaj +1 more source
Straightforward and accurate technique for post-coupler stabilization in drift tube linac structures
The axial electric field of Alvarez drift tube linacs (DTLs) is known to be susceptible to variations due to static and dynamic effects like manufacturing tolerances and beam loading.
Mohammad Reza Khalvati +1 more
doaj +1 more source
SOLUTION OF THE PROBLEM OF THE AIR TEMPERATURE STABILIZATION IN THE CABIN OF THE VEHICLE
The subject matter of the article is the processes of synthesis of the automatic stabilization system (ASS) of the temperature in the vehicle cabin simulator using the vortex energy separator (VES) as the executive element of the system.
Сергей Николаевич Пасичник +1 more
doaj +1 more source

