Design optimization of multi-objective proportional–integral–derivative controllers for enhanced handling quality of a twin-engine, propeller-driven airplane

Rostami, Mohsen; Chung, Joon; Park, Hyeong-Uk

doi:10.1177/1687814020923178

Cited by 12 publications

(13 citation statements)

References 36 publications

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“…where c l δr is the section lift effectiveness of the rudder, ðc l α Þ v is the section lift-curve slope and K b is the rudderspan factor and can be obtained from Figure 5 as a function of the taper ratio, λ, and span ratio, η. In equation (24),…”

Section: Physics Of the Methodsmentioning

confidence: 99%

“…This research builds on previous work in which an enhanced semi-empirical method, called NAMAYEH, was developed to calculate longitudinal and lateraldirectional stability and control derivatives of light airplanes. [17][18][19][20][21][22][23][24] In this study, an engineering method is provided to perform vertical tail sizing considering stability and control including the asymmetrical blade thrust effects. A case study was developed considering a twinengined aircraft equipped with propellers rotating in the clockwise direction with respect to the pilot's field of view.…”

Section: Critical Enginementioning

confidence: 99%

“…Recently, several studies have enhanced semiempirical methods to investigate the aerodynamic characteristics of more sophisticated propeller-driven airplanes and the propeller effects on the handling quality. [18][19][20][21][22][23][24] These studies attempted to modify and combine stateof-the-art analytical procedures and design data compendia in compatible methods to compensate for the limitations of the previous methods.…”

Section: Introductionmentioning

confidence: 99%

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Vertical tail sizing of propeller-driven aircraft considering the asymmetric blade effect

Rostami

Chung

Neufeld

2021

Proceedings of the Institution of Mechanical Engineers, Part G:

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An engineering approach is presented to analyse the asymmetric blade thrust effect with the help of analytical and semi-empirical methods. It is shown that the contribution of the asymmetric blade thrust effect in the lateral-directional stability of multi-engine propeller-driven aircraft is significant particularly in critical flight conditions with one engine out of service. Also, in some cases where the engines are rotating in one direction, the asymmetric blade effect has substantial effects on the handling qualities of the aircraft even in normal flight conditions. Overall, due to the significant contribution of this phenomenon in the lateral-directional stability of propeller-driven airplanes, it is important to consider it in the design of the vertical stabilizer and rudder. The resulting analytical method has been used to determine the vertical tail incident angle and desired rudder deflection in accordance with the most critical flight condition for two different cases and validated to ensure the accuracy of the result. In this work, the aerodynamic coefficients as well as the stability and control derivatives have been predicted using analytical and semi-empirical methods validated for light aircraft.

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Section: Physics Of the Methodsmentioning

confidence: 99%

Section: Critical Enginementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Vertical tail sizing of propeller-driven aircraft considering the asymmetric blade effect

Rostami

Chung

Neufeld

2021

Proceedings of the Institution of Mechanical Engineers, Part G:

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“…The matrix form of the equations of motion for an aircraft can be shown using the following equations for the longitudinal and lateral-directional motions, respectively [30]:…”

Section: Ground Reactionsmentioning

confidence: 99%

Development and Evaluation of an Enhanced Virtual-Reality Flight Simulation Tool for Airships

Rostami¹,

Kamoonpuri²,

Pradhan³

et al. 2023

Preprint

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A real-time flight simulation tool is proposed using a Virtual Reality Head-Mounted Display (VR-HMD) for airships operating in beyond the line-of-sight (BLOS) conditions. Particularly, the VR-HMD is developed for stratospheric airships flying at low/high altitudes. The proposed flight simulation tool uses the corresponding aerodynamics characteristics of the airship, the buoyancy effect, mass balance, added mass, propulsion contributions and ground reactions in the FlightGear Fight Simulator (FGFS). The VR headset has been connected to the FGFS along with the radio controller containing the real-time orientation/state of each button that is also simulated to provide better situational awareness and a Head-Up Display (HUD) that has been developed to provide the required flight data. In this work, a system was developed to connect the FGFS and the VR-capable graphics engine, Unity, to a PC and a wireless VR-HMD in real-time with minimal lag between data transmission. A balance was found for FGFS to write to a CSV file at a period of 0.01s. For Unity, the file was read every frame which translates to around 0.0167s (60 Hz). A test procedure was also conducted with a similar rating technique based on the NASA TLX questionnaire that identifies the pilot’s spare mental capacity when completing an assigned task to assure the comfortability of the proposed VR-HMD. Accordingly, a comparison has been made for the aircraft control using the desktop simulator and the VR-HMD tool. Results, showed that the current iteration of the system is ideal to train pilots on using similar systems in a safe and immersive environment. Furthermore, such an advanced portable system may even increase the situational awareness of pilots and allow them to complete a sizeable portion of actual flight tests with the same data transmission procedures in simulation. The resulting VR-HMD flight simulator is also conceived to express the ground control station (GCS) concept and transmit flight information as well as the point of view (POV) visuals in real-time using the real environment broadcasted using an onboard camera.

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“…With respect to the trim condition, the flying quality characteristics have been investigated and presented in Table V. As can be seen, the Dutch-Roll mode is in level 2 and in our previous work, MDO was implemented with the help of multi PID controllers and enhanced the Dutch-Roll mode level while keeping all other flying quality characteristics in level 1 [25]. E. MDO As discussed earlier, the flight planning results provided for the required fuel and total flight time of a Beechcraft G-58 aircraft using different disciplines: the aircraft performance data, the corresponding route and the weather information.…”

Section: Stability and Controlmentioning

confidence: 99%

Multidisciplinary Analysis Program For Light Aircraft (Mapla)

Rostami¹,

Chung²

2021

Progress in Canadian Mechanical Engineering. Volume 4

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The proposed semi-empirical Multidisciplinary Analysis Program for Light Aircraft "MAPLA" is particularly developed for the analysis of light, general aviation, propellerdriven, airplanes with a future perspective for the design of Urban Air Mobility (UAM) air vehicles. MAPLA is developed in MATLAB and includes four primary disciplines for analysis: Aerodynamics, Propulsion, Performance and Stability and Control. Specialized for light, single-and twinengine propeller-driven airplanes, available state-of-the-art analytical procedures and design data collections have been combined and modified in a unique compatible method and automated in MAPLA. The proposed multidisciplinary aircraft analysis platform is developed to be used for several objectives and aims to enhance the light aircraft design and development, flight tests and flight plan optimization. It is also a good source for educational purposes.

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Design optimization of multi-objective proportional–integral–derivative controllers for enhanced handling quality of a twin-engine, propeller-driven airplane

Cited by 12 publications

References 36 publications

Vertical tail sizing of propeller-driven aircraft considering the asymmetric blade effect

Vertical tail sizing of propeller-driven aircraft considering the asymmetric blade effect

Development and Evaluation of an Enhanced Virtual-Reality Flight Simulation Tool for Airships

Multidisciplinary Analysis Program For Light Aircraft (Mapla)

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