Features of determining controlling effects in functionally-stable systems with recovery of control

Mashkov, Oleg; Chumakevych, Viktor; Sokulsky, O.; Chyrun, Lyubomyr

doi:10.23939/mmc2019.01.085

Cited by 2 publications

(3 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The technological basis for providing functional stability of complex systems was the creation of Professor O.A. Mashkov of onboard information and control systems, which allowed to integration of the resources of the system and redistribution of them [10]. The authors of this article have developed a method of providing the functional stability of the flight and navigation complex of aircraft on separate flight modes [3].…”

Section: Introductionmentioning

confidence: 99%

Methodology for ensuring the functional stability of aircraft integrated modular avionics complex

Калашник,

Калашник-Рибалко

2024

nitps

View full text Add to dashboard Cite

The article presents the methodology of ensuring the functional stability of aircraft avionics complexes under the influence of failure and destabilizing factors. It is based on the procedure of maintaining valid knowledge bases of individual modules of the avionics complex through the organization of dynamic verification of such knowledge bases during their application on the principle of the probabilistic diagnostic core with system recovery without significant restructuring of verification means. The results of calculations of indicators of functional stability of the integrated avionics complex of the D-42 aircraft are presented in the article. To increase the efficiency of the integrated avionics complex under conditions of destabilizing influences, the optimal structure of the avionics complex of the D-42 aircraft was synthesized according to the criterion of the maximum indicator of functional stability with the limitation of the cost of construction the system. In the calculations, an increase in the generalized indicator of functional stability was achieved in comparison with the original structure by 30.8 % (from 294.2 to 384.9) for the given conditional cost 20,000 с.u. It is the most acceptable according to the generalized indicator of functional stability, as a criterion of preference under the specified cost limitations and taking into account the limitations of other parameters of the effective operation of the complex. Increasing the functional stability of the avionics complex according to the presented methodology will allow timely detection of implicit failures and parry their consequences. Based on the results of these studies there is a possibility: substantiation of requirements for the structures of avionics complexes to be designed, solving the problem of synthesis of optimal structure on the criterion of maximum functional stability with limited construction costs, as well as a reasonable increase in the structure of the distributed system of the aircraft avionics complex.

show abstract

Section: Introductionmentioning

confidence: 99%

Methodology for ensuring the functional stability of aircraft integrated modular avionics complex

Калашник,

Калашник-Рибалко

2024

nitps

View full text Add to dashboard Cite

show abstract

“…The complexity of solving this problem in practice is determined by the following three factors [1,2,[9][10][11][12][13][14]: 1. The real movement at the initial moment may differ significantly from the program.…”

Section: Introductionmentioning

confidence: 99%

“…The application of classical control methods to the construction of control systems for programmed movement encounters certain difficulties. These difficulties are associated with the uncertainty of the properties of the controlled object and the conditions of operation of the control object [6,8,9,[11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

The method of inverse problems of dynamics for the synthesis of a system of stabilization of the movement of a dynamic object on operatively programmable trajectories

Mashkov¹,

Chumakevich²,

Mamchur³

et al. 2020

Math. Model. Comput.

View full text Add to dashboard Cite

The article is devoted to the analysis of the possibility of applying the method of inverse problems of dynamics for the synthesis of a system of spatial stabilization of the motion of a dynamic object on an operatively programmable trajectory. The article proposes to apply the method of inverse problems of dynamics for the synthesis of a system for stabilizing the motion of a dynamic object on an operatively programmable trajectory. It is concluded that the procedure for applying the method of inverse problems of dynamics provides for the sequential execution of two procedures. The first procedure involves setting the desired trajectory of movement of a dynamic object and determining the vector of necessary control forces for the implementation of this trajectory of movement. The second procedure involves determining the control function (control deviations) to create such forces. In the development of the concepts of the algorithmic approach (inverse problems of dynamics), an analytical expression for the governing force is obtained. The proposed block diagram of the control algorithm can be used to synthesize control systems for complex dynamic objects, for example, remotely piloted aircraft. P (t) is n-dimensional vector of perturbations; X 0 is initial state; T = t T − t 0 is time of movement of the object.There are restrictions on the management and state of the object X(t) ∈ Q X ; U (t) ∈ Q U .

show abstract

Features of determining controlling effects in functionally-stable systems with recovery of control

Abstract: The features of application of the method of inverse problems of dynamics for the recovery control are considered. An expression for the controlling force is obtained as well as simulation for the stage of determining the controlling forces are carried out.

Cited by 2 publications

References 7 publications

Methodology for ensuring the functional stability of aircraft integrated modular avionics complex

Methodology for ensuring the functional stability of aircraft integrated modular avionics complex

The method of inverse problems of dynamics for the synthesis of a system of stabilization of the movement of a dynamic object on operatively programmable trajectories

Contact Info

Product

Resources

About