Search Results - "Silva, Felipe O."

Influence of Integration Schemes and Maneuvers on the Initial Alignment and Calibration of AUVs: Observability and Degree of Observability Analyses by Frutuoso, Adriano, Silva, Felipe O, de Barros, Ettore A

“…The use of autonomous underwater vehicles (AUV) has increased in a wide range of sectors, including the oil and gas industry, military, and marine research…”
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Performance Analysis of Relative GPS Positioning for Low-Cost Receiver-Equipped Agricultural Rovers by Carvalho, Gustavo S., Silva, Felipe O., Pacheco, Marcus Vinicius O., Campos, Gleydson A. O.

“…Global navigation satellite systems (GNSSs) became an integral part of all aspects of our lives, whether for positioning, navigation, or timing services. These…”
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Error Analysis of Accelerometer- and Magnetometer-Based Stationary Alignment by Silva, Felipe O, Paiva, Lucas P S, Carvalho, Gustavo S

“…This paper revisits the stationary attitude initialization problem, i.e., the stationary alignment, of Attitude and Heading Reference Systems (AHRSs). A…”
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On the Error State Selection for Stationary SINS Alignment and Calibration Kalman Filters-Part II: Observability/Estimability Analysis by Silva, Felipe O, Hemerly, Elder M, Leite Filho, Waldemar C

“…This paper presents the second part of a study aiming at the error state selection in Kalman filters applied to the stationary self-alignment and calibration…”
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Toward a mechanistic understanding of adsorption behavior of phenol onto a novel activated carbon composite by Allahkarami, Esmaeil, Dehghan Monfared, Abolfazl, Silva, Luis Felipe O., Dotto, Guilherme Luiz

“…In this research, the solid–liquid adsorption systems for MSAC (PbFe 2 O 4 spinel-activated carbon)-phenol and pristine activated carbon-phenol were…”
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Low-Cost Real-Time PPP GNSS Aided INS for CAV Applications by Rahman, Farzana, Silva, Felipe O., Jiang, Zeyi, Farrell, Jay A.

“…Many connected and autonomous vehicle (CAV) applications benefit from navigation technologies that reliably achieve lane-level accuracy. Global organizations…”
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Generalized error analysis of analytical coarse alignment formulations for stationary SINS by O. Silva, Felipe

“…This communication presents additional results on a recently published work of the author [1], which addressed the stationary coarse alignment (CA) stage of…”
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Estimating Nitrogen Runoff From Agriculture to Coastal Zones by a Rapid GIS and Remote Sensing-Based Method for a Case Study From the Irrigation District Río Mayo, Gulf of California, México by González-Rivas, David A., Tapia-Silva, Felipe O., Bustillos-Guzmán, José Jesús, Revollo-Fernández, Daniel A., Beltrán-Morales, Luis F., Lluch-Cota, Daniel B., Ortega-Rubio, Alfredo

“…Coastal eutrophication due to agricultural runoff is one of the main ecological problems for coastal zones around the world. The increase in nutrients has…”
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Vertical channel stabilization of barometer‐aided inertial navigation systems by optimal control by Vieira, Leonardo A., Silva, Felipe O.

“…This study investigates the problem of inertial navigation system's (INS's) vertical channel instability, which primarily results from the positive gravity…”
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Error analysis of analytical coarse alignment formulations for stationary SINS by Silva, Felipe O., Hemerly, Elder M., Filho, Waldemar C. L.

“…This paper presents a comprehensive error analysis of coarse alignment formulations for stationary strapdown inertial navigation systems (SINS). Analytical…”
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Copper distribution in surface and subsurface soil horizons by Arenas-Lago, Daniel, Vega, Flora A, Silva, Luis Felipe O, Andrade, María Luisa

“…The horizons of four natural soils were treated with Cu²⁺ in an acid medium to study the retention capacity of Cu. The possible mineralogical changes arising…”
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On the measurement selection for stationary SINS alignment Kalman filters by Silva, Felipe O., Hemerly, Elder M., Leite Filho, Waldemar C.

“…•Study of the measurement selection for stationary SINS alignment Kalman filters.•Proposition of an augmented measurement strategy using the ZVU/CERGU…”
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On the error state selection for stationary SINS alignment and calibration Kalman filters – part I: Estimation algorithms by Silva, Felipe O., Hemerly, Elder M., Leite Filho, Waldemar C.

“…This paper presents the first part of a study aiming at error state selection in Kalman filters applied to the stationary self-alignment and calibration (SSAC)…”
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A Fast In-Field Coarse Alignment and Bias Estimation Method for Stationary Intermediate-Grade IMUs by Silva, Felipe O., Hemerly, Elder M., Filho, Waldemar C. Leite, Kuga, Helio K.

“…This paper presents an innovative in-field coarse bias estimation (CBE) method for stationary intermediate-grade inertial measurement units (IMUs), which is…”
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Analysis of aquifer vulnerability and water quality using SINTACS and geographic weighted regression by Ramos Leal, Jose A, Tapia Silva, Felipe O, Sandoval Montes, Ismael

“…Aquifer vulnerability and water quality were assessed in the Central Valleys of Oaxaca (Mexico) using the SINTACS method, based on a geographic information…”
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Performance Analysis of Relative GPS Positioning as Function of Communication Latency by Carvalho, Gustavo S., Silva, Felipe O.

“…GNSS has become the main navigation system around the world, providing position accuracy up to 10 m. Due its low-cost and versatility, many segments have…”
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GPS-Aided Odometry Navigation for IAVs: An Assessment of Integration Topologies and Odometry Mounting Configurations by Pereira, Victor Hugo L., Silva, Felipe O.

“…Nowadays, navigation of agricultural vehicles is almost exclusively dominated by Global Navigation Satellite Systems (GNSSs), in particular, the Global…”
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GPS-Aided Odometry Navigation for IARs: Comparison Between Loosely and Tightly Coupled Integrations Under Restricted Satellite Visibility Conditions by Pacheco, Marcus Vinicius O., Silva, Felipe O., Farrell, Jay A.

“…In modern times, the navigation of agricultural vehicles is predominantly reliant on Real Time Kinematics (RTK)based Global Navigation Satellite Systems…”
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Optimizing the Gains of Baro-Inertial Vertical Channel Mechanizations by Silva, Felipe O., Vieira, Leonardo A.

“…This work revisits the problem of Inertial Navigation Systems (INSs) vertical channel stabilization via barometer-aided feedback control loops (also referred…”
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Performance evaluation of coarse alignment methods for autonomous underwater vehicles in mooring conditions by Frutuoso, Adriano, Silva, Felipe O., de Barros, Ettore A.

“…The coarse alignment stage of inertial navigation systems (INS) is a step of paramount importance, specially for vehicles that employ the latter as a reference…”
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