The article considers the design of a stand for automated study of automobile and bus generator sets. The main types of drives and control systems for the stand are considered. The optimal type and capacity of asynchronous motor drive and control unit are chosen. Automated software-based measurement system for studying energy and thermal processes is developed. A diagram for the study of transient processes in the electrical system in real operation is presented in the paper. An automated control algorithm for asynchronous drive of the stand is shown.
The most common types of permanent magnets are considered. A study of their properties, positive and negative properties is conducted.
Test procedures for vehicles in terms of external and internal noise are analyzed. Measurement equations are drawn, uncertainty budgets are composed, expressions for the estimation of the expanded measurement uncertainty are given.
The article proposes a mathematical model of the dynamics of piston movement in a cylinder in a layer of grease. The basic equations of the piston movement, the equations describing the problem of elastohydrodynamic friction of the piston skirt in a cylinder, and the algorithm of their simultaneous solution are considered.
The article presents the results of analyzes of predicting the effectiveness of measures aimed at improving the reliability of modern cars. Tools to assess the effect of the introduction of measures to improve the design of a car are shown.
The paper presents the results of developing customer feedback systems aiming at the solving a problem of increasing of effectiveness of the quality management of passenger automobiles during their operation.
The article provides an overview of modern high-performance composite materials. The review of the enterprises which have already begun the use of composite materials in air conditioning systems in transport is conducted. Recommendations for use of these materials in designs are given.
The article is devoted to research on the impact of the size of a curvature radius of fracture-like notch apex on the critical values of the stress intensity factors in the dispersion-reinforced composite materials.
The article presents the results of the influence of torque distribution between axles on off-road capability of KamAZ-4350, 5350 and 6350.
The article describes the features of design and light distribution of automobile LED head lighting. The comparative lighting tests of LED headlamps and conventional ones were carried out.
In the operation of a friction clutch a number of characteristics is changed that affect the ergonomics of the clutch control and adhesion margin for transmitted torque. The article analyzes the changes occurring in the clutch during its operation and the impact of these changes on the ergonomics of the clutch control.
The article considers the problems of the development of a functional block diagram of the electric power steering system for a vehicle based on the frequency-controlled induction motor. The authors give a specific example of such a scheme and examine the principle of its work. Circuit diagrams of basic units of the system are presented.
The paper examines the possibility of exclusion of a clutch from the WSK-type transmission (torque converter, clutch, mechanical gearbox), using the retardation of a gearbox intermediate shaft.
The article presents the development of hardware-software complex for controlling a robotic platform as well as software and algorithmic support for autonomous motion and non-contact control of a robotic platform.
The article describes the design concepts and implementation of control algorithms for a combined power plant (CPP) of a long-haul tractor. The control algorithm of an automatic transmission as part of CPP is presented in the article. A model of the control unit for a car with CPP, implemented in MATLAB/Simulink, is given.
The article presents the author's thoughts on the most promising areas of evolution of tractor designs, based on the analysis of the impact of new design solutions on consumer properties of tractors. These properties are mainly determined by productivity, cost-effective use of resources, comfort and operational safety, and environmental properties.
This article analyzes the history of science, industry and art, in terms of technological progress, as well as the practical, theoretical and conceptual aspects of society. The article reflects the relationship between these areas and demonstrates a tendency to their convergence and growth of the importance of concept-projects in the technical design noted in retrospective since ancient times to the 19th century.
In this article the author made an analysis, comparison and classification of the main variants of single pair gear shifting for transmissions having at least two multi-plate wet clutches.