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401
Grid influence issues in the methodology of numerical modelling of non-stationary combustion processes
Published 2025-03-01“…There are many sources of errors in any calculation using computational gas dynamics methods: accumulated calculation errors, sensitivity to grid size, discretisation, flow extrapolation in grid interfaces of the used solver (ANSYS.Fluent), errors of turbulence models, assumptions and simplifications applied to the design, etc. …”
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402
A Robust Adaptive Control Algorithm for Multimissile Cooperative Formation
Published 2022-01-01“…The simulation verification result indicates that cooperative formation can be achieved quickly with small velocity and position tracking errors when the missiles are fully connected. Therefore, the multimissile cooperative formation control algorithm designed in this paper can meet the requirements of multimissile coordinated detection, thus improving the missile’s cooperative attack capability.…”
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403
Adaptive Impact-Time-Control Cooperative Guidance Law for UAVs Under Time-Varying Velocity Based on Reinforcement Learning
Published 2025-03-01“…Then, in order to improve the applicability and robustness of the agent, environmental uncertainties, including aerodynamic parameter errors, observation noise, and target random maneuvers, are incorporated into the training process. …”
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404
An analytical pressure-velocity fusion algorithm-empowered flexible sensing patch for flight parameter detection
Published 2025-07-01“…To solve flight parameters with the flexible sensing patch, we develop an analytical pressure-velocity fusion algorithm, enabling fast response and high accuracy in flight parameter detection. The average errors in calculating the angle of attack, angle of sideslip, and airspeed are 0.22°, 0.35°, and 0.73 m s−1, respectively. …”
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405
Problematic Aspects of the Evaluation of the Epidemiological Effectiveness of Vaccination against Tick-BORNE Encephalitis
Published 2018-10-01“…It is shown that the calculation of COEF and IEF according to official statistical reporting is illegal in connection with the emergence of systematic errors of selection due to the impossibility of retrospective formation of compared groups of vaccinated and unvaccinated, comparable in risk of infection and disease. …”
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406
Аssessment of the Effectiveness of Etiotropic Prophylaxis of Tick-Borne Infections: the Systematization of concepts and methodological features
Published 2019-01-01“…It is shown that the calculation of COEF and IEF according to official statistical reporting is illegal in connection with the emergence of systematic errors of selection due to the impossibility of retrospective formation of compared groups of vaccinated and unvaccinated, comparable in risk of infection and disease. …”
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407
Flight of a Guided Aerial Bomb Along a Vertical Plane in Turbulent Atmosphere
Published 2019-09-01“…The research discussed in this paper included an analysis of the effect of atmospheric disturbances on the target striking accuracy of a GAB moving along a vertical plane, the GAB flight trajectory, the values of force inputs which controlled the GAB flight, the values of actual attack angles, the values of kinematic transverse overloads, and the control errors input to the guidance controller. …”
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408
Balancing tech and humanity
Published 2025-06-01“…While technology can enhance efficiency, as shown in Lebanon's response to the Tripoli bomb attack, it must adhere to international legal standards, especially privacy protections in the ICCPR and UDHR. …”
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409
Three-Dimensional Integrated Guidance and Control for Near Space Interceptor Based on Robust Adaptive Backstepping Approach
Published 2016-01-01“…It is proved that tracking errors of the state and the upper bound of the uncertainties converge to the neighborhoods of the origin exponentially. …”
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410
Lattice‐based revocable attribute‐based encryption with decryption key exposure resistance
Published 2021-11-01“…Subsequently, a lattice‐based RABE scheme without DKER is constructed and it is proved to be selective indistinguishability under chosen‐plaintext attack (IND‐CPA) security based on Learning with Errors (LWE). …”
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411
ON THE IMPACT OF FLIGHT SAFETY CERTIFICATION REQUIREMENTS ON THE AERODYNAMIC EFFICIENCY OF COMMERCIAL AIRPLANES
Published 2018-03-01“…Theoretical methods of flow calculation determine areas on the airplane skin surface where static probes minimize errors depending on angle-of-attack and sideslip. …”
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412
A novel wall interference correction method for airfoil
Published 2024-11-01“…The improved wall pressure signature method (WPSM), an enhanced version of the WPSM, is developed to address the velocity disparities and systematic errors in pressure measurements between with and without model conditions. …”
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413
Enhanced-Dueling Deep Q-Network for Trustworthy Physical Security of Electric Power Substations
Published 2025-06-01“…We model the intricate substation security challenge as a Markov Decision Process (MDP), segmenting the facility into three zones, each with potential normal, suspicious, or attacked states. The EDDQN agent learns to strategically select security actions, aiming for optimal threat prevention while minimizing disruptive errors and false alarms. …”
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414
Robust Optimization Research of Cyber–Physical Power System Considering Wind Power Uncertainty and Coupled Relationship
Published 2024-09-01“…Furthermore, the deterministic power balance constraints are relaxed into inequality constraints that account for wind power forecasting errors through fuzzy variables. The lower-level model focuses on minimizing traffic load shedding by establishing a topology–function-constrained information network traffic model based on the maximum flow principle in graph theory, thereby improving the efficiency of network flow transmission. …”
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415
Cellular porosity in dentin exhibits complex network characteristics with spatio-temporal fluctuations.
Published 2025-01-01“…Their relative importance was estimated using statistical and physical graph attack simulations in a broad experimental range. …”
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416
Establishing a monitoring system for black rhinos in the Solio Game Reserve, central Kenya
Published 2007-12-01“…In 2000, when the reserve had the highest density of rhinos in Kenya, poachers attacked Solio and nine black rhinos were killed in a five-year period. …”
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