Results 11 to 20 of about 915,662 (288)
Symmetry-preserving Observers [PDF]
This paper presents three non-linear observers on three examples of engineering interest: a chemical reactor, a non-holonomic car, and an inertial navigation system. For each example, the design is based on physical symmetries.
Bonnabel, S., Martin, Ph., Rouchon, P.
core +3 more sources
They Are All After You: Investigating the Viability of a Threat Model That Involves Multiple Shoulder Surfers [PDF]
Many of the authentication schemes for mobile devices that were proposed lately complicate shoulder surfing by splitting the attacker's attention into two or more entities.
Alt, Florian +5 more
core +1 more source
Personalised ecology and detection functions
Direct interactions with nature are important for people's health, well‐being and support for pro‐nature policies. There is an urgent need better to understand the structure and dynamics of these interactions, and how they differ among individual people,
Kevin J. Gaston
doaj +1 more source
HD 66051, an eclipsing binary hosting a highly peculiar, HgMn-related star
HD 66051 is an eclipsing system with an orbital period of about 4.75 d that exhibits out-of-eclipse variability with the same period. New multicolour photometric observations confirm the longevity of the secondary variations, which we interpret as a ...
Ewa Niemczura +6 more
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Measurements of brightness of stars 1AL Ari, FM Leo, LL Aqr, V1125 Tau, V1366 Ori opened in ”HIPPARCOS” experiment are carried out using negatives of the Odessa observatory.
A. P. Solonovich +2 more
doaj +1 more source
This article addresses the problem of controlling the growth of microalgae originating in Mexican rivers, especially in the state of Sinaloa, Culiacan River.
Flores Gerardo +5 more
doaj +1 more source
Perceived ability and actual recognition accuracy for unfamiliar and famous faces [PDF]
In forensic person recognition tasks, mistakes in the identification of unfamiliar faces occur frequently. This study explored whether these errors might arise because observers are poor at judging their ability to recognize unfamiliar faces, and also ...
Attard, Janice +2 more
core +2 more sources
Virtual Diagnostic Sensors Design for an Automated Guided Vehicle
In recent years, Automated Guided Vehicles (AGVs) have been playing an increasingly important role in producing industry and infrastructure and will soon arrive to other areas of human life such as the transportation of goods and people. However, several
Ralf Stetter +2 more
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Space and Observers in Cosmology [PDF]
I provide a prescription to define space, at a given moment, for an arbitrary observer in an arbitrary (sufficiently regular) curved space-time. This prescription, based on synchronicity (simultaneity) arguments, defines a foliation of space-time, which ...
Lachièze-Rey, M.
core +2 more sources
Anti-slip control based on optimal slip ratio for heavy-haul locomotives
To solve the problem of wheelset slip and effectively exert locomotive traction, a protection method of anti-slip control with integral sliding mode based on optimal slip ratio is proposed.
Jing He +4 more
doaj +1 more source

