Results 21 to 30 of about 4,071,178 (286)

Integrating process design and control: An application of optimal control to chemical processes [PDF]

open access: yes, 2008
In this paper, the optimal design of process systems generically used in chemical industries is studied. The closely coupled nature of optimal design specification of the equipment, the determination of the optimal process parameters in steady-state ...
Athans   +23 more
core   +2 more sources

Influence of geometric variables on spur gear volume

open access: yesInternational Journal for Simulation and Multidisciplinary Design Optimization, 2020
Gear system optimization is currently topical amongst researchers. To this end, problem formulation is key and therefore knowledge of parameter influence and variation behaviour is indispensable.
Maputi Edmund S., Arora Rajesh
doaj   +1 more source

Reinforcement solution of damaged load-bearing frame structure in a coal power plant for additional loads [PDF]

open access: yesArchives of Civil Engineering
Significant subsoil deformation and additional loads from the new denitrification unit caused a major problem with the load-bearing capacity of the coal power plant.
Szymon Skibicki   +5 more
doaj   +1 more source

Optimal Experimental Designs

open access: yesThe Annals of Mathematical Statistics, 1966
Abstract : This paper presents a number of results concerning the theory of the optimal design of experiments initiated and principal developed by Elfving, Kiefer and Wolfowitz. The paper contains approximately half expository and half new material. The proofs are mostly new and presented in a unified manner.
Karlin, Samuel, Studden, William J.
openaire   +2 more sources

Optimal experiment design in a filtering context with application to sampled network data [PDF]

open access: yes, 2009
We examine the problem of optimal design in the context of filtering multiple random walks. Specifically, we define the steady state E-optimal design criterion and show that the underlying optimization problem leads to a second order cone program.
Michailidis, George, Singhal, Harsh
core   +2 more sources

Optimal experimental design for optimal process design: A trilevel optimization formulation

open access: yesAIChE Journal, 2019
AbstractTypical optimal experimental design (OED) methods aim at minimizing the covariance matrix of the estimated parameters regardless of the intended application of the model that is being estimated. This can unnecessarily increase the experimental costs.
Walz, Olga   +2 more
openaire   +3 more sources

Optimal designs for active controlled dose finding trials with efficacy-toxicity outcomes [PDF]

open access: yes, 2016
Nonlinear regression models addressing both efficacy and toxicity outcomes are increasingly used in dose-finding trials, such as in pharmaceutical drug development.
Bretz, Frank   +4 more
core   +3 more sources

Optimization and Experiment of a Disturbance-Assisted Seed Filling High-Speed Vacuum Seed-Metering Device Based on DEM-CFD

open access: yesAgriculture, 2022
In disturbance-assisted seed filling vacuum seed-metering devices, the suction hole causes difficulty in quickly and stably sucking seeds when used for high-speed seeding and the large working negative pressure demand is used. To address this difficulty,
Rui Liu   +5 more
doaj   +1 more source

Mechanism and Experiment of Full-Feeding Tangential-Flow Picking for Peanut Harvesting

open access: yesAgriculture, 2022
Peanut is China’s most competitive oil and cash crops internationally. Furthermore, China’s peanut production is the largest in the world. Hence, the peanut industry plays an important role in the national economy.
Lili Shi   +3 more
doaj   +1 more source

An Optimal Design for Universal Multiport Interferometers [PDF]

open access: yes, 2016
Universal multiport interferometers, which can be programmed to implement any linear transformation between multiple channels, are emerging as a powerful tool for both classical and quantum photonics.
Clements, William R.   +4 more
core   +2 more sources

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