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Number of results: 14
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Abstract

An aim of this article was to analyze and interpret multifaceted semantic of motives for lying in the novel Women’s Lies by Lyudmila Ulitskaya mainly on the basis of the text’s content as well as related to it preceded annotations, essayistic and journalistic utterances of an actress. We declare that the “laboratory analyze” of women’s lies in its various scenes makes a leading opinion and basic motive of the novel. At the beginning of the conclusion we are concentrating on the author`s definition of lie, so we can later refer to mythological-historical-literary roots. In the context of above mentioned facts, it is interesting that Ulitskaya divides lie on masculine and feminine. Ulitskaya, in her typical way, referring to cultural-religious archetypes and symbols, indicates the roots of masculine lie pertaining even to the Old Testament, as contrary to “pleasant feminine lie”. In this regard, the mythological characters of Odysseus and Penelope are also recognized as representatives. After all, in the content of the analyzed piece are only presented various examples of female lies, and, in our opinion, exposed as an element of the third plane, which unites natural sciences and literature.

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Authors and Affiliations

Joanna Tarkowska
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Abstract

Characters with split personalities in Nessuno torna indietro by Alba de Céspedes and the German-Polish history of the novel – This paper focuses on the Polish reception of Nessuno torna indietro, a novel by Alba de Céspedes. In Italy the novel was a bestseller between 1938 and the eighties, however it was impossible to publish it in Poland due to the fact that negotiations failed. Nevertheless, the book was translated into Polish on the basis of the German version and published in a newspaper in 1947. The presentation of the Polish history of this novel will be based on archival materials.

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Authors and Affiliations

Jadwiga Miszalska
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Abstract

Remarks on the chronology of stages in scientific development.
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Authors and Affiliations

Leszek Zasztowt
1

  1. Centre for East European Studies, Faculty of Oriental Studies, University of Warsaw
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Abstract

What does the phenomenon of online “fake news” stem from? What are scholars doing to combat disinformation?
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Authors and Affiliations

Piotr Karwowski
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Abstract

The article describes motion planning of an underwater redundant manipulator with revolute joints moving in a plane under gravity and in the presence of obstacles. The proposed motion planning algorithm is based on minimization of the total energy in overcoming the hydrodynamic as well as dynamic forces acting on the manipulator while moving underwater and at the same time, avoiding both singularities and obstacle. The obstacle is considered as a point object. A recursive Lagrangian dynamics algorithm is formulated for the planar geometry to evaluate joint torques during the motion of serial link redundant manipulator fully submerged underwater. In turn the energy consumed in following a task trajectory is computed. The presence of redundancy in joint space of the manipulator facilitates selecting the optimal sequence of configurations as well as the required joint motion rates with minimum energy consumed among all possible configurations and rates. The effectiveness of the proposed motion planning algorithm is shown by applying it on a 3 degrees-of-freedom planar redundant manipulator fully submerged underwater and avoiding a point obstacle. The results establish that energy spent against overcoming loading resulted from hydrodynamic interactions majorly decides the optimal trajectory to follow in accomplishing an underwater task.
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Bibliography

[1] D.E. Whitney. Resolved motion rate control of manipulators and human prostheses. IEEE Transaction on Man-Machine System, 10(2):47–53,1969. doi: 10.1109/TMMS.1969.299896.
[2] Z. Shiller and H-H. Lu. Computation of path constrained time optimal motions with dynamic singularities. Journal of Dynamic Systems, Measurement, and Control, 114(1):34–40,1992. doi: 10.1115/1.2896505.
[3] N. Faiz and S.K. Agrawal.Trajectory planning of robots with dynamics and inequalities. In Proceedings IEEE International Conference on Robotics and Automation, pages 3976–3982, 2000. doi: 10.1109/ROBOT.2000.845351.
[4] S. Macfarlane and E.A. Croft. Jerk-bounded manipulator trajectory planning: design for realtime applications. IEEE Transactions on Robotics and Automation, 19(1):42–52, 2003. doi: 10.1109/TRA.2002.807548.
[5] G. Antonelli, S. Chiaverini, and N. Sarkar. External force control for underwater vehiclemanipulator systems. IEEE Transactions on Robotics and Automation, 17(6):931–938, 2001. doi: 10.1109/70.976027.
[6] D. Yoerger and J. Slotine. Robust trajectory control of underwater vehicles. IEEE Journal of Oceanic Engineering, 10(4):462–470, 1985. doi: 10.1109/JOE.1985.1145131.
[7] A. Alvarez, A. Caiti, and R. Onken. Evolutionary path planning for autonomous underwater vehicles in a variable ocean. IEEE Journal of Oceanic Engineering, 29(2):418–429, 2004. doi: 10.1109/JOE.2004.827837.
[8] N. Sarkar and T.K. Podder. Coordinated motion planning and control of autonomous underwater vehicle-manipulator systems subject to drag optimization. IEEE Journal of Oceanic Engineering, 26(2):228–239, 2001. doi: 10.1109/48.922789.
[9] J. Yuh. Modeling and control of underwater robotic vehicles. IEEE Transactions on Systems, Man and Cybernetics, 20(6):1475–1483, 1990. doi: 10.1109/21.61218.
[10] B. Lévesque and M.J. Richard. Dynamic analysis of a manipulator in a fluid environment. International Journal of Robotics Research, 13(3):221–231, 1994. doi: 10.1177/027836499401300304.
[11] T.I. Fossen. Guidance and Control of Ocean Vehicles. John Wiley, New York, 1994.
[12] G. Antonelli. Underwater Robots. 2nd ed. Springer, 2006.
[13] T.J. Tarn, G.A. Shoults, and S.P. Yang. A dynamic model of an underwater vehicle with a robotic manipulator using Kane’s method. Autonomous Robots, 3:269–283, 1996. doi: 10.1007/BF00141159.
[14] J.M. Hollerbach. A recursive Lagrangian formulation of manipulator dynamics and a comparative study of dynamics formulation complexity. IEEE Transactions on Systems, Man, and Cybernetics, 10(11):730–736, 1980. doi: 10.1109/TSMC.1980.4308393.
[15] J.N. Newman. Marine Hydrodynamics. 40th Anniversary Edition. The MIT Press, 2018.
[16] A. Kumar, V. Kumar, and S. Sen. Dynamics of underwater manipulator: a recursive Lagrangian formulation. In R. Kumar, V.S. Chauhan, M. Talha, H. Pathak (Eds.), Machines, Mechanism and Robotics, Lecture Notes in Mechanical Engineering, pages 555–570. Springer, Singapure, 2022. doi: 10.1007/978-981-16-0550-5_56.
[17] A.K. Sharma and S.K. Saha. Simplified drag modeling for the dynamics of an underwater manipulator. IEEE Journal of Ocean Engineering, 46(1):40–55, 2021. doi: 10.1109/JOE.2019.2948412.
[18] R. Colbaugh, H. Seraji, and K.L. Glass. Obstacle avoidance for redundant robots using configuration control. Journal of Robotics Systems, 6(6):721–744,1989. doi: 10.1002/rob.4620060605.
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Authors and Affiliations

Virendra Kumar
1
ORCID: ORCID
Soumen Sen
1
Shibendu Shekhar Roy
2

  1. Robotics and Automation Division, CSIR-Central Mechanical Engineering Research Institute, Durgapur, India
  2. Mechanical Engineering Department, National Institute of Technology, Durgapur, India
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Abstract

Iterative Learning Control (ILC) is a well-known method for control of systems performing repetitive jobs with high precision. This paper presents Constrained Output ILC (COILC) for non-linear state space constrained systems. In the existing literature there is no general solution for applying ILC to such systems. This novel method is based on the Bounded Error Algorithm (BEA) and resolves the transient growth error problem, which is a major obstacle in applying ILC to non-linear systems. Another advantage of COILC is that this method can be applied to constrained output systems. Unlike other ILC methods the COILC method employs an algorithm that stops the iteration before the occurrence of a violation in any of the state space constraints. This way COILC resolves both the hard constraints in the non-linear state space and the transient growth problem. The convergence of the proposed numerical procedure is proved in this paper. The performance of the method is evaluated through a computer simulation and the obtained results are compared to the BEA method for controlling non-linear systems. The numerical experiments demonstrate that COILC is more computationally effective and provides better overall performance. The robustness and convergence of the method make it suitable for solving constrained state space problems of non-linear systems in robotics.

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Authors and Affiliations

Kaloyan Yovchev
Kamen Delchev
Evgeniy Krastev
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Abstract

The relevance of the study is due to the fact that the influence of the Internet and media resources is growing and there is a tendency to develop virtual personalities that have little to do with reality and show the features of an antisocial person. In this regard, this article is aimed at identifying aspects and characteristics of a network personality that is influenced by modern media resources. The leading methods of studying this problem are methods of analysis, deduction and classification, which will help to recognize the most basic aspects of the figurative-visual transformation of a person on the Internet, show the results of the influence of social networks on a person and demonstrate the changes that a person is exposed to in the Internet space. The article reveals and substantiates the features and aspects that are distinctive for an individual in the Internet society, negative and positive characteristics of Internet users. The author substantiates the daily interactivity of social media. Also, the most relevant and influential forms of network interaction are shown and the frequency of their use is analysed. The materials of the article are of practical value for students, teenagers, youth, parents, future teachers who should know the aspect of the manifestation of personality transformation in the Internet space.
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Authors and Affiliations

Elissa Bagayeva
1

  1. Individual Entrepreneur Bagayeva Elissa Petrovna, Otegen Batyr, Republic of Kazakhstan
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Abstract

The study explored the impact of experimental manipulation of body schema on creative potential in midadolescence. The experiment was conducted in a group of 140 adolescents at the age of 14-16: 68 boys (M = 15.03; SD = .93) and 72 girls (M = 15.01; SD = .81), randomly allocated to equinumerous groups: experimental and control. The aim of experimental manipulation was to obtain a temporarily disturbance of body schema. It was gained by the use of glasses reversing the field of vision in the vertical up/down plane, and measured by the Body Schema Disturbance Questionnaire. In both groups the Urban and Jellen’s Test for Creative Thinking – Drawing Production (TCT-DP, Urban & Jellen, 1986) was administered twice (in A and B versions, randomly selected). Statistical analyses was run with a mixed model ANOVA (2 drawings x 2 groups x 2 sexes). The interaction effect of drawing production and group assignment on creative potential was significant, while the interaction effect of drawing production and sex on creative potential turned out to be insignificant.
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Authors and Affiliations

Beata Mirucka
1
Monika Kisielewska
1

  1. Faculty of Education, University of Bialystok
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Abstract

In this article I use Roman Ingarden’s conceptual apparatus to show how the category of purely intentional objects can be used to analyze the consciousness of subjects who reside in intentional worlds and experience internal states invoked in their minds by sources external to them.
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Authors and Affiliations

Damian Leszczyński
1
ORCID: ORCID

  1. Uniwersytet Wrocławski, Instytut Filozofii, ul. Koszarowa 3, 51-149 Wrocław
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Abstract

The paper presents its contribution to tracking control design of mechanical systems in underactuated mode conditions, i.e. when the number of actuators is less than the number of possible control inputs. Fully actuated mechanical systems are quite well-researched and controller designs are well-developed for them as well. However, due to costs, weight, design, and performance regimes or due to an actuator failure, the underactuated control mode is required in applications. With the aid of the computational procedure for constrained dynamics (CoPCoD), the constrained dynamics, i.e. the reference motion dynamics, and tracking control in an underactuated mode are designed for an example of a three-link planar manipulator model with rigid and flexible links. A dynamic optimization problem is formulated in the paper to obtain optimal time courses of manipulator joint coordinates in underactuated mode conditions in order to apply them to a manipulator driving links controller.
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Authors and Affiliations

Elżbieta Jarzębowska
1
ORCID: ORCID
Krzysztof Augustynek
2
Andrzej Urbaś
2

  1. Warsaw University of Technology, Nowowiejska 24, 00-665 Warsaw, Poland
  2. University of Bielsko-Biala, Willowa 2, 43-309 Bielsko-Biala, Poland
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Abstract

In this paper an application of the Serret–Frenet parametrization of a curve to the path following task is presented. This curvilinear parametrization method is used to obtain a control object description relative to the desired curve defined in the three-dimensional space. In order to derive proper equations, the innovative approach of the non-orthogonal projection of a control object on the given path is investigated. The non-orthogonal projection allows to design a global control algorithm. The proposed solution results in a cascade structure of the control system. Thus, the backstepping integrator algorithm was applied to create a control law. Due to the partial knowledge of control object dynamic parameters, an adaptive algorithm is taken into account. Theoretical considerations are confirmed with simulation study. Conducted simulations illustrated following paths at different levels of complexity by a holonomic non-redundant manipulator with a fixed base.
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Authors and Affiliations

Alicja Mazur
1
Filip Dyba
1

  1. Department of Cybernetics and Robotics, Faculty of Electronics, Photonics and Microsystems, Wrocław University of Science and Technology, Janiszewskiego Street 11/17, Wrocław 50-372, Poland
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Abstract

Shifting masses in a confined space in the company of other machines and devices, which limits the manoeuvring and transport area, poses a significant problem in every field of industry, especially with underground mining. The works involved in transporting and manoeuvring masses in underground workings are challenging and are most often performed using various auxiliary machines or manually. Hence the need arose to develop a device carrying out activities related to the shifting of masses with the assumed maximum value. The device was created as a result of cooperation between FAMA sp. z o.o. and the AGH University of Science and Technology in Kraków, Poland. The mining modular transport and assembly unit (MZT-M) enables assembling and transporting various masses, especially the elements of the roadway support in the face. The primary function of this device is its movement in the excavation along with the transported mass and delivering it to a specific place. Therefore, an important issue is to ensure the module’s stability in different phases of its operation (lifting, transport, manoeuvring, feeding, lowering) due to the limited space in the excavation. That is why an analytical model and specialised software were created to determine the design parameters of the device as a function of its operating phases, especially the counterweight’s mass. As previously mentioned, an analytical model (physical, mathematical) with equations and applications written in Microsoft Visual Studio and Matlab was used for this purpose. It is beneficial at the design or construction changes stage. Calculation results are documented in the form of numerical summaries and graphs.
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Authors and Affiliations

Krzysztof Krauze
1
ORCID: ORCID
Ryszard Klempka
1
ORCID: ORCID
Kamil Mucha
1
ORCID: ORCID
Tomasz Wydro
1
ORCID: ORCID

  1. AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland
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Abstract

This paper considers the problem of the accurate task space finite-time control susceptible to both undesirable disturbance forces exerted on the end-effector and unknown friction forces coming from joints directly driven by the actuators as well as unstructured forces resulting from the kinematic singularities appearing on the mechanism trajectory. We obtain a class of estimated extended transposed Jacobian controllers which seem to successfully counteract the external disturbance forces on the basis of a suitably defined task-space non-singular terminal sliding manifold (TSM) and the Lyapunov stability theory. Moreover, in order to overcome (or to minimise) the undesirable chattering effects, the proposed robust control law involves the second-order sliding technique. The numerical simulations (closely related to an experiment) ran for a mobile manipulator consisting of a non-holononic platform of (2;0) type and a holonomic manipulator of two revolute kinematic pairs show the performance of the proposed controllers and make a comparison with other well-known control schemes.
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Bibliography

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Authors and Affiliations

Mirosław Galicki
1

  1. Centrum Badan Kosmicznych Polskiej Akademii Nauk, ul. Bartycka 18A, 00-716 Warsaw, Poland
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Abstract

Autonomous manipulation of group objects requires the gripper/robot hand to achieve high productivity without poor outcomes such as object slippage and damage. This article develops the robot hand capable of achieving effective performance in each trial of grasping the group objects. Our proposed robot hand consists of two symmetrical groups of hybrid fingers having soft pads on the grasping interfaces, which operate as a comb. The grasping ability of this robot hand was theoretically and experimentally validated by handling three groups of objects showcases: tea packs, toothbrushes, and mixing sticks.Additionally, validation resultswere compared with those of another soft robot hand having soft Pneunet fingers. In each trial, the experimental results showed that the proposed robot hand with hybrid fingers achieved more stable grasping states characterized by a higher number of grasped objects than those in the case of the soft robot hand. Also, experimental results were in good agreement with the predictions of the proposed theoretical analysis. Finally, better performances of the hybrid robot hand in handling the group object provide the bases for developing a novel-robotic application in industrial production.
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Authors and Affiliations

Pho Van Nguyen
1 2
ORCID: ORCID
Phi N. Nguyen
2
Tan Nguyen
2
Thanh Lanh Le
2

  1. Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa, Japan
  2. Department of Technology, Dong Nai Technology University, Bien Hoa 810000, Vietnam

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