Results 11 to 20 of about 189,839 (286)

Robust Model Predictive Control for Constrained Uncertain Systems Based on Concentric Container and Varying Tube [PDF]

open access: greenarXiv
This paper proposes a novel robust model predictive control (RMPC) method for the stabilization of constrained systems subject to additive disturbance (AD) and multiplicative disturbance (MD). Concentric containers are introduced to facilitate the characterization of MD, and varying tubes are constructed to bound reachable states. By restricting states
Shibo Han   +3 more
openalex   +2 more sources

Urns & Tubes [PDF]

open access: yesCompositionality, Volume 4 (2022) (December 28, 2022) compositionality:13518, 2021
Urn models play an important role to express various basic ideas in probability theory. Here we extend this urn model with tubes. An urn contains coloured balls, which can be drawn with probabilities proportional to the numbers of balls of each colour. For each colour a tube is assumed. These tubes have different sizes (lengths). The idea is that after
arxiv   +1 more source

Distributed Control within a Trapezoid Virtual Tube Containing Obstacles for Robotic Swarms Subject to Speed Constraints [PDF]

open access: yes, 2022
In our previous work, we design a trapezoid virtual tube to guide robotic swarms through narrow openings. This paper extends the application of the trapezoid virtual tube to the situations where there are static obstacles inside and robots have strict speed constraints.
arxiv   +1 more source

Effect of Different Culture Containers to Cell Densities of Nitzschia in Laboratory Scale

open access: yesJournal of Aquaculture Science, 2019
The study aimed to determine the type of culture container for increasing the cell density of Nitzschia and producing the hightly cell biomass. The stages of this study were sterilization of containers and media, making diatom fertilizers and agar media,
Mohammad Faizal Ulkhaq   +2 more
doaj   +1 more source

Prototype Sistem Keamanan Pintu Kandang Dan Pemberian Pakan Ternak Puyuh Otomatis Berbasis Mikrokontroler

open access: yesCHIPSET, 2022
This research aims to build a system that can maintain the security of the cage, give feed quail automatically and weigh the weight of the feed by the needs of quail based on the time of eating quail per day.
Anisa Muhaimin, Mohammad Hafiz Hersyah
doaj   +1 more source

Tube Volumes and Fertilization Management in Acrocarpus fraxinifolius Seedlings

open access: yesFloresta e Ambiente, 2020
Acrocarpus fraxinifolius, known as Indian cedar, has little forestry development in Brazil. Thus, the objective of this study was to find the best relation between nutrition and container (tube) volume in seedlings of this species.
Gardênia Proto Dias   +4 more
doaj   +1 more source

Team Control Problem in Virtual Ellipsoid and Its Numerical Simulations

open access: yesMathematics, 2022
There is tremendous interest in designing feedback strategy control for clusters in modern control theory. We propose a novel numerical solution to target team control problems by using the Hamilton formalism methods.
Zhiqing Dang   +6 more
doaj   +1 more source

Research on Measurement Principle and Key Measuring Devices of Pressure Change Rate for Electronically Controlled Pneumatic Brake of Commercial Vehicle Based on Poiseuille’s Law

open access: yesSensors, 2022
For intelligence brakes in the electronic pneumatic brake system of commercial vehicles, the pressure change rate is used as the key control parameter and evaluation index.
Jian Hu   +4 more
doaj   +1 more source

Reconnection of Vortex Tubes with Axial Flow [PDF]

open access: yesPhys. Rev. Fluids 4, 024701 (2019), 2019
This paper addresses the interaction of initially anti-parallel vortex tubes containing an axial flow that induces a twisting of the vortex lines around the tube axes, using numerical simulations. Vortex tube configurations with both the same and opposite senses of twist -- corresponding to same and opposite signs of kinetic helicity density -- are ...
arxiv   +1 more source

Development of X-ray scanning system Sowa

open access: yesNukleonika, 2020
The new vehicle scanning system Sowa has been developed in the National Centre for Nuclear Research. This innovative device is equipped with a 300 kV X-ray tube, U-shape imaging detector line, transport system, and fully shielded container.
Bogowicz Józef   +11 more
doaj   +1 more source

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