In this paper, the authors present methods for designing of non-circular gears, including internal and external gears with spur or helical teeth. Technology related issues that determine tooth profile calculation algorithm are described. The results presented in this paper can become groundwork for further investigations of other particular properties of non-circular gears, similar to investigations of spur, helical and bevel gears. Examples of such properties include kinematics and application of special purpose gears or issues related to strength, dynamics, tribology, etc.

The paper presents the methodology for designing the teeth conjunction of planetary gears in the planetary roller screw mechanism. A function of the planetary gears is to synchronize an operation of rollers in order to avoid axial displacements. A condition of the correct operation is no axial movement of rollers in relation to the nut. The planetary gears are integral parts of rollers and therefore an operation of the gear transmissions has a direct impact on cooperation of the screw, rollers and the nut. The proper design of gear engagements is essential for reducing slippage on surfaces of the cooperating threaded elements. For this purpose, in a designing method, both the limitations of operation and kinematic conditions of rollers’ operation have to be taken into account.

In this article the author follows progressive evolution in web design that has been observed in Google Maps over the last 13 years (2005–2018). The analysis includes the graphic presentation of buttons, their layout and the changes in the functionality of the website. The results of the analysis corroborate the argument that it is possible to adapt the existing concept of progressive evolution, to the needs of Internet cartography. In the process of the analysis several crucial changes were spotted, such as the fact that as a result of the technological advancement the need to scroll the map with up, down, left and down buttons disappeared, being supplanted by the dragging function. In article all the discussed changes in Google Maps as an application for desktop computers and laptops, as well as a mobile application, prove that the product has been constantly improved. In the author’s opinion, the crucial aspect is to enrich the web map in the non-invasive way to make it as user-friendly and easy to use as possible. The synthetic juxtaposition allowed one to highlight the evolution, considered by the author an important feature of the non-invasive way of introducing changes. The author notes that progressive evolution on Google Maps and other internet maps will continue. It is important that the user’s needs are noticed during these changes.

The knowledge about membrane contactors is growing rapidly but is still insufficient for a reliable designing. This paper presents a new type of membrane contactors that are integrated with one of the following ways of separation by using absorbents, micelles, flocculants, functionalized polymers, molecular imprints, or other methods that are based on aggregation. The article discusses methods for designing multi-stage cascade, usually counter-current. At every stage of this cascade, relevant aggregates are retained by the membrane, while the permeate passes freely through membrane. The process takes place in the membrane boundary layer with a local cross-flow of the permeate and the retentate. So the whole system can be called a cross-counter-current. The process kinetics, k, must be coordinated with the permeate flux, J, and the rate of surface renewal of the sorbent on the membrane surface, s. This can be done by using ordinary back-flushing or relevant hydrodynamic method of sweeping, such as: turbulences, shear stresses or lifting forces. A surface renewal model has been applied to adjust the optimal process conditions to sorbent kinetics. The experimental results confirmed the correctness of the model and its suitability for design of the new type of contactors.

On the shift toward tender sensitivity – the role of relations, emotions, and empathy in design.

Designer drugs cause irreversible changes in the brain and put those who take them at an increased risk of developing Alzheimer’s and Parkinson’s disease. They can also affect one’s genetic material, says Prof. Krystyna Gołembiowska from the PAS Institute of Pharmacology.

This article will focus on an analytical framework as a research tool in design disciplines. Key problem for an analytical framework in landscape architecture is how to deal with the dynamics of landscape form, design and use in the design process.

We start with a short overview will be given of analytical frameworks. In the second part some generic principles of analytical frameworks will be applied in three case studies of 19th century public parks. The third part will focus on how results of such an analysis can be used for the future and how results of peopleenvironment studies can be part of that.

One of the conclusions is, that people-environment studies can play a role before, during and after the design process. In most cases results of people-environment studies cannot be applied directly but rather as part of an iterative process of research and design.

The text attempts to show the forgotten beauty in architecture. It seems, that the “drawn” architecture can reveal more than the real — built one. The avant-garde of the early 20th century killed in art the need to strive for beauty. Novelty and contemporarily advertising form of architecture are becoming the most important. However, the problem of beauty seems to be still interesting in art. Architecture is slowly departing from the functionalist way of creating, yet it cannot return to the beauty, that once was so important. It is the drawn one, carrying the message of unreality, that makes it possible to return to the forgotten approach to creation. Architects’ drawings can bring back a visionary and idealistic message.

This paper is dedicated to Voivodship Park of Culture and Recreation in Chorzów (Silesia Park) – one of the biggest of its kind in Poland and in Europe (ca. 600 ha of total area). Construction of the Park had begun in 1954 according to the design under the direction of prof. Władysław Niemirski. After many years it became an example of successful land remediation and re-naturalization of anthropogenic landscape. The whole facility though formally created in socrealism style, actually represents classical modernism’s features inspired probably by American parks with a rich recreation program.

Like other harbour cities in Europe, Lisbon has an axial development anchored in pre-existing confi gurations which dot from east, more industrial areas, to the west, a more monumental and urban type. The diversity of fabrics and the overlapping of various time layers become decoded through a functional specialization infrastructural line, which, from rural, becomes increasingly infrastructured as part of the on-going reinvention of the city of Lisbon.

Green spaces are an integral element of urban structures. They are not only a place of rest for their users, but also positively affect their well-being and health. The eff ect of these spaces, is the better, the smoother they create larger urban layout – stings of greenery. The introduction of urban greenery can and should be one of the basic elements of revitalization. Often, however, greenery is designed without multi-aspect analysis, enabling understanding of conditions and the use of existing potential in a given place. The use of computational design in conjunction with the use of generally available databases, such as numerical SRTM terrain models, publicly available OSM map database and EPW meteorological data, allows for the design of space in a more comprehensive way. These design methods allow better matching of the greenery design in a given area to specific architectural, urban and environmental conditions.

In this paper, quanizted multisine inputs for a maneuver with simultaneous elevator, aileron and rudder deflections are presented. The inputs were designed for 9 quantization levels. A nonlinear aircraft model was exited with the designed inputs and its stability and control derivatives were identified. Time domain output error method with maximum likelihood principle and a linear aircraft model were used to perform parameter estimation. Visual match and relative standard deviations of the estimates were used to validate the results for each quantization level for clean signals and signals with measurement noise present in the data. The noise was included into both output and input signals. It was shown that it is possible to obtain accurate results when simultaneous flight controls deflections are quantized and noise is present in the data.

The contemporary underground mining of raw minerals is more and more associated with geological and mining software packages which support the work of designers from the moment of the exploration of a deposit, determination of its size and quality, geological, hydrogeological and tectonic conditions, by planning the development and cutting of the deposit. Production planning is one of the most important activities carried out in the course of a mining project, because it allows to set specific production results of a mine in relation to a time unit, and then allows for a verification of the degree of completion of the assumed plan. At present, computer-aided design is applicable to daily or long-term output planning taking deposit, qualitative, quantitative and cost constraints into account. In the article, selected forms of ore deposits were presented. On the basis of several dozen boreholes up to 300m in length, an exemplary fragment of the ore cutting model using computer-aided design of mining works was presented. By using modern computer software - ABB MineScape with modular construction, the possibilities of improving the process of development of future exploitation areas have been determined. In particular, the arrangement of boreholes, based on which ones the cross sections were made with, present the exemplary lithostratigraphic thickness of layers, including the location of discontinuous deformations in the form of faults, and an ore bearing zone. For the block model, resources with priority for metal N o. 1 and 2 were calculated. I n the last section of the article, the cutting idea for a shallow ore deposit has been presented. The degree of effective use of the deposit has been analysed for the room and pillar mining method.

In the Act on Revitalization of 9 October 2015, for the first time in Poland, the legal act introduced the necessity to apply the principles of universal design (Article 3 paragraph 2 point 3). The practice of investment processes in crisis areas shows that the requirements set out in the Act are not properly implemented. Regeneration processes require attention to improve the quality of life of residents. The article presents issues related to the implementation of universal design principles during revitalization processes. There is a noticeable lack of interest in this issue despite the fact that it is one of the three tasks set before local governments in the Revitalization Act, after social participation and support for people at risk of exclusion in the area of housing. The reasons for this state should be seen in a small knowledge of the issue, deficiencies in the educational process of designers and poor control on the part of local governments and central authorities. This is due to conservation conditions, which often misinterpret the right to protect cultural heritage. The self-government as its own task should guarantee the possibility of using the positive effects of the revitalization process, in particular the implementation of residents’ rights to an independent and dignifi ed life, which is required by the UN Convention on the Rights of Persons with Disabilities.

Inflation targeting is nowadays used by around 40 countries, with each of them tailoring some features of the strategy to its own needs. This holdse specially for deciding on the level of inflation targets. The analysis conducted in the paper aims at identifying factors affecting the choice of the target levels, with macroeconomic, structural and institutional characteristics of the reviewed economies being investigated. The main conclusion is that both backward- and forward-looking models can help to explain how inflation targets are set. Evidently inflation and GDP growth (past and forecast) together within formation on a possibly on going disinflation process are of key importance,but – especially for emerging market economies – also inflation variance and the level of economic development seem to influence the target levels. Moreover,many of the institutional features related, among others, to transparency and accountability of the reviewed central banks, were found significant in the analysis.

A new 4-D dynamical system exhibiting chaos is introduced in this work. The proposed nonlinear plant with chaos has an unstable rest point and a line of rest points. Thus, the new nonlinear plant exhibits hidden attractors. A detailed dynamic analysis of the new nonlinear plant using bifurcation diagrams is described. Synchronization result of the new nonlinear plant with itself is achieved using Integral Sliding Mode Control (ISMC). Finally, a circuit model using MultiSim of the new 4-D nonlinear plant with chaos is carried out for practical use.

In the paper, an effective way to design asymmetrical optics for a uniform vertical surface illumination was presented. Assessment of the obtained distribution of luminance (illuminance) on the illuminated surface is done almost at the same time as designing the optical system elements. Advantage of the final application of the presented method in 3D will be independence from the implementation of time-consuming simulations in order to verify the already designed optics. Understanding the method and its application is simple and intuitive. Observing the luminance distribution, created on the illuminated surface almost at the same time as its design, allows to see the effect of adding the next elements of the optical system on this distribution.