Janusz Ćwiklak
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View article: Experimental and numerical investigations on polycarbonate samples and rotorcraft windshield for bird model impacts
Experimental and numerical investigations on polycarbonate samples and rotorcraft windshield for bird model impacts Open
One of the factors that significantly affect flight safety is bird strikes. Various aircraft parts are vulnerable to damage. For helicopters, the windshield, the front part of the fuselage, and the rotor blades are particularly sensitive t…
View article: NEW STRATEGY THE FOR DESIGNATION OF THE INTEGRITY PARAMETER IN SBAS POSITIONING IN AIR TRANSPORT
NEW STRATEGY THE FOR DESIGNATION OF THE INTEGRITY PARAMETER IN SBAS POSITIONING IN AIR TRANSPORT Open
The article shows the results of a study on the determination of SBAS satellite positioning integrity parameters as a HPL and VPL protection levels. To this end, a modified algorithm was developed to determine the HPL and VPL protection le…
View article: ACCURACY ASSESSMENT OF PRECISE POINT POSITIONING WITH MULTI-CONSTELLATION GNSS DATA UNDER STRONG SOLAR BURST EFECTS
ACCURACY ASSESSMENT OF PRECISE POINT POSITIONING WITH MULTI-CONSTELLATION GNSS DATA UNDER STRONG SOLAR BURST EFECTS Open
Solar variations modify a layer of the Earth’s upper atmosphere known as the ionosphere. This is of particular concern for the aviation sector because of the way its communications and navigation systems can be affected. At the same time, …
View article: Analysis of the accuracy of EGNOS+SDCM positioning in aerial navigation
Analysis of the accuracy of EGNOS+SDCM positioning in aerial navigation Open
The article presents a modified scheme of determining the accuracy parameter of SBAS (Satellite Based Augmentation System) positioning with use of two supporting systems: EGNOS (European Geostationary Navigation Overlay Service) and SDCM (…
View article: Analysis of the Determination of the Accuracy Parameter for Dual Receivers Based on EGNOS Solution in Aerial Navigation
Analysis of the Determination of the Accuracy Parameter for Dual Receivers Based on EGNOS Solution in Aerial Navigation Open
The paper presents the results of research on the determination of the accuracy parameter for European Geostationary Navigation Overlay System (EGNOS) positioning for a dual set of on-board global navigation satellite system (GNSS) receive…
View article: Influence of the Bird Model Shape on the Results of Numerical Analyses of Bird Models Impact Against a Rigid Plate
Influence of the Bird Model Shape on the Results of Numerical Analyses of Bird Models Impact Against a Rigid Plate Open
This paper presents results of numerical analyses of different bird models impacting a rigid plate. The results of the study were compared with findings derived from experimental research. The experimental studies were conducted using a de…
View article: Research and Comparative Analysis of the Accuracy in Determining the Parameters of the Position of Aircraft by Air Traffic Control Radars Avia-W and GCA-2000
Research and Comparative Analysis of the Accuracy in Determining the Parameters of the Position of Aircraft by Air Traffic Control Radars Avia-W and GCA-2000 Open
The aim of the article “Research and comparative analysis of the accuracy in determining the parameters of the position of aircraft by air traffic control radars Avia-W and GCA-2000” is to test the difference in determining the parameters …
View article: Experimental and Numerical Investigations of Bird Models for Bird Strike Analysis
Experimental and Numerical Investigations of Bird Models for Bird Strike Analysis Open
The article presents experimental and numerical studies of bird models during impacts with rigid and deformable targets. The main aim of the studies is the validation of bird models in order to prepare them for the numerical simulation of …
View article: Application of the SBAS/EGNOS positioning method to determine UAV coordinates
Application of the SBAS/EGNOS positioning method to determine UAV coordinates Open
The article presents the results of research on determining the UAV (Unmanned Aerial Vehicle) position using the SBAS (Satellite Based Augmentation System) positioning method for the EGNOS (European Geostationary Navigation Overlay Service…
View article: Designation of the Quality of EGNOS+SDCM Satellite Positioning in the Approach to Landing Procedure
Designation of the Quality of EGNOS+SDCM Satellite Positioning in the Approach to Landing Procedure Open
The main aim of this paper is to present the results of research on the application of a modified mathematical model to determine the quality parameters of SBAS (Satellite Based Augmentation System) satellite positioning in aviation. The a…
View article: A New Strategy for Improving the Accuracy of Aircraft Positioning Using DGPS Technique in Aerial Navigation
A New Strategy for Improving the Accuracy of Aircraft Positioning Using DGPS Technique in Aerial Navigation Open
In this paper a new mathematical algorithm is proposed to improve the accuracy of DGPS (Differential GPS) positioning using several GNSS (Global Navigation Satellites System) reference stations. The new mathematical algorithm is based on a…
View article: INFLUENCE OF A BIRD MODEL SHAPE ON THE BIRD IMPACT PARAMETERS
INFLUENCE OF A BIRD MODEL SHAPE ON THE BIRD IMPACT PARAMETERS Open
One of the factors which significantly exert a negative influence on flight safety is a collision of an aircraft with birds. Various parts of an aircraft are subjected to damage. Within the conducted analyses, the impact loaded object was …
View article: Numerical Simulations of Bird Strikes with the Use of Various Equations of State
Numerical Simulations of Bird Strikes with the Use of Various Equations of State Open
The paper presents results of numerical analyses of the collision of various bird models (dummies) with a helicopter windshield. Three different numerical bird models were elaborated. According to the subject literature, applying an approp…
View article: Influence of the Ionospheric Delay on Designation of an Aircraft Position
Influence of the Ionospheric Delay on Designation of an Aircraft Position Open
The article presents and describes research results concerning determination of an impact of the ionospheric correction upon the positioning accuracy of an aircraft. The main objective of examinations was to verify three ionospheric models…
View article: Precise Point Positioning Technique Versus Relative Positioning
Precise Point Positioning Technique Versus Relative Positioning Open
Precise point positioning is a GNSS based positioning method that is known to regaining more precise information about major systematical errors in its functional model. This method is seen as an advanced version of the conventional absolu…
View article: Examination of Multi-Receiver GPS/EGNOS Positioning with Kalman Filtering and Validation Based on CORS Stations
Examination of Multi-Receiver GPS/EGNOS Positioning with Kalman Filtering and Validation Based on CORS Stations Open
This paper presents the concept of precise navigation based on SBAS technology and CORS stations. In a kinematic test, three rover Global Positioning System (GPS) receivers, properly spaced relatively to each other, were used in order to e…
View article: Accuracy Analysis of Aircraft Position at Departure Phase Using DGPS Method
Accuracy Analysis of Aircraft Position at Departure Phase Using DGPS Method Open
The aim of this paper is to present the problem of implementation of the Differential Global Positioning System (DGPS) technique in positioning of the aircraft in air navigation. The aircraft coordinates were obtained based on Global Posit…
View article: Research into the Integrity of Galileo Positioning at Dęblin Aerodrome
Research into the Integrity of Galileo Positioning at Dęblin Aerodrome Open
The paper presents the results of the integrity of Galileo satellite positioning for the area of the military aerodrome in Dęblin. The integrity parameters of the Galileo satellite positioning have been determined for en-route navigation a…
View article: The Positioning of the Aircraft Using GPS/GLONASS Data
The Positioning of the Aircraft Using GPS/GLONASS Data Open
The article presents the results of aircraft positioning using GPS/GLONASS data in air navigation. In the work, the flight trajectory of the Cessna 172 aircraft was determined on the basis of GPS, GLONASS and GPS/GLONASS data. The coordina…
View article: The Application of the BSSD Iono-Free Linear Combination Method in the Processing of Aircraft Positioning
The Application of the BSSD Iono-Free Linear Combination Method in the Processing of Aircraft Positioning Open
The article presents the results of research into the use of the differentiation technique of BSSD (Between Satellite Single Difference) observations for the Iono-Free LC combination (Linear Combination) in the GPS system for the needs of …
View article: Reliability Test of a GNSS Onboard Receiver in the Kinematic Mode
Reliability Test of a GNSS Onboard Receiver in the Kinematic Mode Open
The article presents the results of the aircraft Cessna 172 positioning based on navigation solutions in the GPS and EGNOS (SBAS) tracking mode. The article makes a comparison of coordinate readings of the Cessna 172 in the ellipsoidal BLh…
View article: Analysis of a Possibility of Using Fuzzy Logic to Assess the Reliability of Aircraft On-Board Systems
Analysis of a Possibility of Using Fuzzy Logic to Assess the Reliability of Aircraft On-Board Systems Open
The paper attempts to present the current state of knowledge in the use of fuzzy logic in order to assess the reliability of technical objects over the past two decades. In world literature, one can recall three main trends related to the …
View article: Fuzzy applications in selected aircraft on-board system
Fuzzy applications in selected aircraft on-board system Open
The authors in this publication present a new approach to aircraft systems efficiency evaluation.The research station consists of two units: an efficiency evaluation unit and a flight simulation unit.The efficiency is evaluated with the us…
View article: Removing the Influence of Network Effect on Local Position Solution
Removing the Influence of Network Effect on Local Position Solution Open
To investigate and remove the network effect to the national GNSS network the results obtained from three GNSS networks which are tied to ITRF2008 using minimal constraints were compared. The first network is the EUREF Permanent Network (E…
View article: Designation of integrated perceptible water vapour for local rural region using GPS satellite technique
Designation of integrated perceptible water vapour for local rural region using GPS satellite technique Open
The Integrated Precipitable Water Vapour (IPWV) parameter is applied to the description of atmospheric changes in the area of climatology, meteorology and geophysics.This paper presents research results concerning the determination of the …
View article: Aircraft position determination in SBAS system in air transport
Aircraft position determination in SBAS system in air transport Open
The article presents the results of GNSS satellite positioning in the SBAS support system in air transport.In accordance with ICAO recommendations, GNSS satellite technology may be implemented in air transport for GPS and GLONASS navigatio…
View article: APPLICATION OF THE DGPS METHOD FOR THE PRECISE POSITIONING OF AN AIRCRAFT IN AIR TRANSPORT
APPLICATION OF THE DGPS METHOD FOR THE PRECISE POSITIONING OF AN AIRCRAFT IN AIR TRANSPORT Open
This article presents research results concerning the determination of the position of a Cessna 172 aircraft by means of the DGPS positioning method. The position of the aircraft was recovered on the basis of P1/P2 code observations in the…
View article: Accuracy Assessment of Aircraft Positioning by Using the DGLONASS Method in the GBAS System
Accuracy Assessment of Aircraft Positioning by Using the DGLONASS Method in the GBAS System Open
The paper presents the accuracy results of aircraft positioning using the DGLONASS method in the GBAS augmentation system in air transport. In the research test, the coordinates of Cessna 172 aircraft were recovered on the basis of the DGL…
View article: Utilization gLAB software in precise aircraft positioning in air transport- airborne tests in Dęblin and Mielec
Utilization gLAB software in precise aircraft positioning in air transport- airborne tests in Dęblin and Mielec Open
This paper presents research results relate to determination aircraft coordinates using SPP method in kinematic mode. For this purpose C/A code on L1 frequency in GPS system from onboard Topcon TPS Hiper receiver were used. Numerical compu…
View article: APPLICATION OF THE GLONASS CODE OBSERVATIONS FOR THE DESIGNATION OF COORDINATES OF AN AIRCRAFT IN FLIGHT TEST MODE: A CASE STUDY
APPLICATION OF THE GLONASS CODE OBSERVATIONS FOR THE DESIGNATION OF COORDINATES OF AN AIRCRAFT IN FLIGHT TEST MODE: A CASE STUDY Open
The aim of this article is to present the results of GLONASS positioning in kinematic mode in air navigation. The flight experiment was conducted at Dęblin Airfield on a Cessna 172 aircraft. The aircraft position was recovered on the basis…