Vol 22, No 10 (2016)

The operational planning problems solving of homogeneous goods delivery to different customers such as inventory management and looking for rational routes of goods delivery are considered in this article. The algorithm for searching the best inventory management strategy and a modified population based ant colony optimization algorithm (P-ACO) forgetting the rational routes of homogeneous goods delivery to different customers are presented. At the same time a modified P-ACO algorithm takes into account different restrictions such as vehicle capacity, time windows, planning period, multiple depots, split delivery, heterogeneous fleet of vehicles, goods pickup and the rational goods packing at the time of rational routes construction. A considered modified P-ACO algorithm includes the following algorithms: Kini—Raif nearest neighbor, sweep algorithm for selecting in the road graph only those arcs that satisfy some preferences (for example, the quality of roads, road tax) (Kini—Raif algorithm); for distribution all the customers to closest depot (nearest neighbor algorithm); for fast building of initial solution with pre-allocating customers among the depots (sweep algorithm).

Application of pattern recognition and, in particular, a system of automatic processing of images of objects, allows for identification and prediction of environment condition and the object of study. To reduce the amount of information processed, detectionit is convenient to conduct recognition of binary images. The most of images to be recognized comprise complex of affine transformations. This reduces the efficiency of identification due to distortion of indications Also, the number of comparisons is increased significantly.
As an affine transformation we consider rotation of an image of side of the object around two axis passing through the center of the object image, with a change of scale to the center.

Research is performed on the basis of the system of three equations obtained by the authors which show the dependence of variation of the moments of inertia of the image when it is resized to the center along Y-axis of M times and N times along the Z- axis with the rotation of the axes of the image around the X-axis by the angle p.

By solving this system of equations on the basic of semigraphical method the values of M, N and p. Then turn identified carried image on the corners with the adjustment of the size of the values of M and N, as well as a direct comparison of the image obtained with the standard. Thus, after the preliminary calculations of various provisions of the bust recognizable image is limited to several provisions. If identifiable image corresponds to the standard, after conversion it will be the same as the standard.

In order to confirm the theoretical results of the computer modeling of the proposed method of detection. Experiments were carried out on four images are simplified silhouettes of leaves of trees: oak, aspen, maple and willow. The simulation results showed that only the appropriate reference image identified by the smallest discrepancy is within a certain allowable threshold differences. For other images, it is much higher.

Thus, using the proposed method of pattern recognition, the identification process can be performed on the model, while retaining sufficient reliability.

This paper deals with the comparative analysis of alternative technical systems on the basis of a comprehensive study of the estimated external and internal properties of the product. The basis of the proposed approach is known formalism — Quality Function Deployment which implemented as a model of the "House of Quality". The concept of a "etalon virtual products", the characteristics of which are formed on the basis of data on the properties of products-analogues. The proposed approach differs from the known formalism quality function deployment that allows quantify the differences between the etalon and the proposed product on a complex of consumer properties and specifications.

Using the proposed approach can improve the validity of decisions on the advisability of amending the requirements for consumer features and specifications. The proposed approach makes it possible to develop a formal procedure for the comparative analysis of product variants, enabling its implementation in the form of software tools.

The use of the ultrasound-based medical equipment is one of the most efficient and commonly accepted methods to provide for the time-critical and delicate non-invasive diagnosis of serious medical conditions such as a stroke or other blood circulatory system abnormalities.

However, the cost of the imported units varies from tens to hundreds of thousands of the US dollars, which makes these medical instruments practically inaccessible for the majority of healthcare institutions in Russia. The focus of this work is the development and the implementation of the methods and techniques for designing computerised ultrasound-based medical diagnostic equipment in order to create in Russia the scientific and technological basis for the production and adoption of the competitive medical equipment.

A system of simulation models developed at PJSC "INEUM named after I. S. Brook” is used now as the main technological tool for designing modern complexes for ultrasound-based diagnostics. The use of this system of simulation models allows to formalise the entire design cycle, from formulation of the medico-technical requirements to the feasibility (technical and economic) project and creation of a prototype to be presented for testing and certification. Formalisation of the design process enables its standartisation and allows to ensure the computer-added design tools, human resources and other required resources are available.

The simulation modelling allows to perform preliminary verification and testing of a number of various alternatives without incurring substantial expenses and to choose necessary parameters, algorithms and technical components before starting the actual creation and testing of a preproduction prototype.

A line of the computerised ultrasound-based diagnostic medical units in the "Complexmed" series was developed at PJSC "INEUM named after I. S. Brook" and is currently in production. This line of diagnostic units was designed using the aforementioned approach and the entire series is fully compliant with all the testing, licensing and certification requirements. The devices of the "Complexmed" series in various designs have been supplied for the past ten years to tens of medical institutions in Russia for performing Doppler and echoencephalographic examinations.

The use of the aforesaid method of designing the ultrasound-based medical equipment can be among ways to control and reduce the final costs of such equipment and would therefore enable production of state-of-the-art products at competitive prices that would serve substitution alternatives to higher-priced imported units.