Wyniki wyszukiwania - Biblioteka Nauki

1

Central European production successes (past two decade) and our anticipation of research and development success for the automotive industry today (next one decade)

100%

Lesinsky J.

Journal of KONES

|

2012

|

tom Vol. 19, No. 3

249-252

EN

The automotive industry (AI) and specifically the automotive suppliers area is one of the fastest developing sector in CE countries (CEC). Given the world-top class supply base, high intellectual capital and ability to readily achieve European levels of productivity, the central part of continent can more competitively satisfy the needs of customers than at any other period of time in Europe. Increase of passenger cars production (2005 – 2012) in 500 km radius area from 1,9 to 5,2 mil., new technology solutions, TALENT and TOLERANCE by human assets, are very important influences and expectations from combination of traditional and V4 countries in this period. CE countries can offer all logistic optimisation, productivity and added value increases. Particular remarks are also analysed: necessity for co-operation by regions and continents in the standards area, the weight of CEC in the global automotive production (1991 - 2011), some influences of human resources on production system innovation, strategy of producers from Europe, Asia, North America in our continent and suppliers in Central Europe countries, R&D and human resources life long learning system for AI in the future.

2

Using the Design of Experimental Method for Problem-solving of Noisy Parts in the Automotive Industry

100%

Schindlerová V. , Sýkora V. , Stančeková D. , Mrázik J.

Advances in Science and Technology. Research Journal

|

2024

|

tom Vol. 18, no 5

EN

This paper explores and presents the importance and application of the Design of Experiments (DOE) method in scientific and industrial research. It analyses in detail the theoretical foundations of the method and then illustrates concrete examples and benefits of its use in an automotive environment. The introduction outlines the key principles and objectives of the DOE method, including optimization of experimental processes and minimization of variability of results. The publication focuses on the significant impact of this method in improving the efficiency of experiments and achieving reliable and reproducible results. The practical part of the paper presents concrete examples of the application of the DOE method in the automotive industry. Through this case study, it is highlighted how the DOE method enables the systematic investigation of the influence of different factors on experimental results, leading to a better understanding of the phenomena under investigation and an increase in process efficiency. Emphasis is also placed on the practical aspects of using the DOE method, including the design of experimental plans and the analysis of the data obtained. The case study outlines the challenges and benefits that can arise when implementing this method and presents new perspectives for future research in statistical experimental analysis. Overall, this research paper can be considered an important resource for researchers and practitioners seeking effective methods for planning and conducting experiments to achieve significant research results in various disciplines.

3

Selected Cyclic Corrosion Tests in Automotive Industry

88%

Biało Ł. , Grodniewicz T. , Żabiński P.

|

2020

|

tom Vol. 65, iss. 4

1469--1476

EN

Corrosion is a main problem for longtime exploration of heat exchangers in automotive industry. Proper selection of accelerated corrosion test for newly developed material is a key aspect for aluminum industry. The selection of material based on corrosion test includes test duration, chemical spray composition, temperature and number of cycles. The paper present comparison of old and newly developed accelerated corrosion tests for testing automotive heat exchanger. The accelerated test results are comprised with heat exchanger taken from market after life cycle.

4

LoRaWAN networks in automotive applications

88%

Śmieja M. , Duda K. , Mamala J.

Journal of KONES

|

2018

|

tom Vol. 25, No. 3

431--435

EN

Development of IoT is tightly coupled with the use of the wireless communication solutions. Nowadays there are several standard wireless protocols, which are responsible for carrying information. The increase of the communication traffic tends to specialize the kind of used data interchange methods for the sake of demanded size of data packet, frequency of connections, meaning of the data, security and safety of the transmission as well as many others. One of the intensively spreading wireless networks is LoRaWAN. Because of its low energy consumption, long distance range, and high flexibility, it seems to be very effective solution to apply in the field of road traffic. The article presented the base features of LoRaWAN as well as the conception of virtual local traffic system based on the data yield from the board systems of cars. Accessed from OBD information about f. e.g. temporary cars speed or accelerations associated with their current position can be significant factor in creating the real image of the traffic situation.

5

The effects of microstructural modification by mechanical milling on hydrogen desorption from magnesium hydride

88%

Varin R. A. , Czujko T. , Wronski Z. S. , Calka A.

Journal of KONES

|

2007

|

tom Vol. 14, No. 2

529-536

EN

Nanostructured hydrides fabricated by mechanical (ball) milling offer a promising alternative to hydrogen storage in compressed or liquid form. However, ball milling brings about both beneficial and detrimental effects to their hydrogen desorption characteristics. These effects have been studied in the ball milled magnesium hydride, MgH2. A beneficial effect is that the refinement of the hydride powder particle size and the gamma-MgH2 phase residing within the powder particles, acting additively, are responsible for a substantial reduction of hydrogen desorption temperature of MgH2 hydride. A detrimental effect is a reduction of the hydrogen storage capacity after nanostructuring of MgH2 by ball milling. Both effects are presented and discussed. In particular DSC hydrogen desorption curves at the heating rate of 4°C/min of the ABCR powder as received, milled in hydrogen for (a) 0.25 to 5h and (b) 10 and 20h and finally cycled, XRD patterns of MgH2 (Tego Magnan registered trademark) powders milled continuously for 100h, desorption curves under 0.1 MPa H2 at various temperatures of commercial MgH2 powder Tego Magnan registered trademark milled continuously for 20h are presented in the paper.

6

Measuring Customer Retention in the European Automotive Sector

88%

Sliż P. , Delinska L.

|

tom 29(3)

63-85

EN

Purpose: The main purpose of the work is to present the results of the customer retention level in the automotive sector based on the proposed measurement indicators: “serviced and sold” (SESO) and “sold and serviced” (SOSE). Design/methodology/approach: The study investigates the dealership of passenger cars belonging to one of the European automotive concerns. The following research methods were used in the article: systematic literature review, participant observation, and data mining. Findings: As a result of the implementation of empirical proceedings, we proposed a theoretical model in terms of data flow in sales and aftersales service processes, thus enabling the design of SOSE and SESO retention indicators and their empirical verification in the examined organization. Research limitations/implications: The presented indicators can be widely used in the analysis of retention of aftersales service clients. However, the presented research results cannot be applied to other organizations that provide similar results due to the non-probabilistically selected company. Practical implications: The proposed indicators can be used by other organizations in different industries in assessing the level of retention in manufacturer-user and seller-user relations. Originality/value: The study provides tools that allow for retention analysis from both the customer and product viewpoint. The concept has a universal value for enterprises that conduct sales and aftersales services under one structure.

7

Experience Report: Introducing Kanban Into Automotive Software Project

88%

Majchrzak M. , Stilger L.

e-Informatica Software Engineering Journal

|

2017

|

tom Vol. 11, nr 1

39--51

EN

The boundaries between traditional and agile approach methods are disappearing. A significant number of software projects require a continuous implementation of tasks without dividing them into sprints or strict project phases. Customers expect more flexibility and responsiveness from software vendors in response to the ever-changing business environment. To achieve better results in this field, Capgemini has begun using the Lean philosophy and Kanban techniques. The following article illustrates examples of different uses of Kanban and the main stakeholder of the process. The article presents the main advantages of transparency and ways to improve the customer co-operation as well as stakeholder relationships. The Authors try to visualise all of the elements in the context of the project. There is also a discussion of different approaches in two software projects. The article fokuses on the main challenges and the evolutionary approach used. An attempt is made to answer the question how to convince both the team as well as the customer, and how to optimise ways to achieve great results.

8

Development and Tribological Characterization of Semi-Metallic Brake pads for Automotive Applications

88%

Esteem P. L. , Ramalingam V. V. , Kasi R. K. , Ramasamy P.

Archiwum Motoryzacji

|

2023

|

tom Vol. 102, nr 4

5--25

EN

Semi-metallic brake pads are quite a good choice for performance-driven automotive industries, because of improved braking performance in a more comprehensive range of temperatures. In this study, a semi-metallic brake pad is fabricated through a powder metallurgy processing technique with two compositions of powders with a different weight ratio of Copper (Cu), Iron (Fe), flash, Aluminum oxide (Al2O3), Barium sulfate (BaSO4), Phenolic resin, Low-Density Polyethylene (LDPE), Graphite for automotive application. A well-distributed composition was indicated by the microstructure, which exhibited a uniform dispersion of hard particles throughout the matrix. BP-20Cu-20Fe specimen exhibited a high hardness value of 171Hv. Under higher loads of 70 N, the specimen BP-20Cu-20Fe showed excellent wear resistance, with a low wear rate of 1.072×10-6 g/Nm. On the other hand, specimen BP-20Cu-20Fe showed a notable 35% increase in friction coefficient when the load was increased from 30 N to 70 N.The surface morphology, elemental distribution, and worn surface features and characteristics are examined using advanced instrumental techniques.

9

The conception of modular monitor of car exploitation parameters

88%

Śmieja M. , Ziejewski K. , Wierzbicki S. , Mamala J.

|

2017

|

tom Vol. 24, No. 4

321--326

EN

Current tendencies in electronics and informatics development going towards Internet of Things (IoT), Big Data or Data Cloud technologies create new possibilities in acquiring and utilizing data. The article presents the concept of modular monitoring of vehicles operating parameters. Presented device registers data from the OBD system and a set of independent, configurable sensor modules. Data from the OBD system is acquired via protocol. CAN Bus with a DLC connector. The signal from sensor modules is transferred via a Bluetooth wireless network. The registered data can be storage on board as CD card memory or alternatively on a typical user interface such as laptop, tablet, cell phone etc. The communication with the user interface is realised with USB. Moving vehicles modular monitoring system presented in the article can be used to attain a fuller representation of the vehicles state in relation to its environment. The base assumption of the device is maximal flexibility in term of sensors versality as well as possibilities of assembly on board. In connection with the concept, a prototype of the device was made and tested with an inertial measurement unit (IMU) module and a pressure sensor. Appliances modules are based on Cortex M4 and M0 processing units. A users interface in LabVIEW and examples of registered signals are showed at the end of the article.

10

Modeling and operational analysis of an automotive shock absorber with a tuned mass damper

88%

Sikora M.

Acta Mechanica et Automatica

|

2018

|

tom Vol. 12, no. 3

243--251

EN

Recently, the topic of energy dissipation efficiency of vehicle suspension dampers has become a research and engineering problem due to structural requirements of vehicle manufacturers and the introduction of electric/hybrid cars. By principle, any disturbances in the damping force generation process translate into pressure fluctuations to be then transferred to the body of the vehicle. The effect known as rattling within the damper engineering community is perceived as detrimental to ride comfort. To improve the performance of a vehicle damper several methods can be devised and used. One approach is to optimize the settings of the valves in the damper. The approach, however, often influences the force output of the damper. Another technique involves the application of add-on systems. One such system is the tuned mass damper concept originally developed by Frahm for structural engineering applications. In the paper the author proposes a damper concept equipped with an external/internal tuned mass damper component for improving the dynamic characteristics of vehicle dampers. The author presents modeling details followed by simulations of the damper with the tuned mass damper concept subjected to oscillatory inputs, and a critical analysis of the presented results.

11

The new data exchange facilities with CAN-FD

88%

Śmieja M. , Duda K. , Mamala J.

Journal of KONES

|

2016

|

tom Vol. 23, No. 4

527--533

EN

The modern vehicles demand more and more data exchange to coordinate, control and monitor functions of on board system. The variety of networks applied in these systems is featured mainly by the bandwidth and time determinism. The development electronic information and network sciences find its reflection in the new and new automotive implementations. The last significant step towards the increase the throughout put of the on board network channels are works on CAN-FD. CAN is now the most common network present on board. It helps to manage the maintenance with the numerous subassemblies of the modern car. Next to the many features making CAN so useful and popular, there is a bandwidth limitation, which slows down further implementation of it. The new CAN-FD specification adds new properties that extend the possibilities of CAN as automotive network protocol. These are: different speed transmission in the arbitration phase and in the data phase during the message transmission as well as the extending the maximum size of data filed of the frame from 8 (CAN) to 64 (CAN-FD). In the paper there have been presented the limitations of existing CAN protocol usage, the explanation of the basics of the arbitration mechanisms and the response of the scientist and engineers to cope with it, as well as the formal result outlined in the CAN-FD specification.

12

Socially Responsible Supplier Development. Practices of Automotive Industry

88%

Hąbek P. , Lavios Villahoz J. J.

Multidisciplinary Aspects of Production Engineering

|

2020

|

tom Vol. 3, Iss. 1

707--719

EN

A socially responsible company should take responsibility for its impact but also take care of the impact throughout its supply chain. Its perspective must be wider than only its own practices. Supplier development process can be used to spread socially and environmentally responsible practices across the supply chain. The aim of the paper is to identify and classify the socially responsible activities practised by the car producers and dedicated to their suppliers. In the paper sustainability reports of seven automakers were analysed. The authors used the technique of content analysis. The socially responsible practices dedicated to suppliers was classified into three dimensions and four categories. All of the automakers disclose information in their sustainability reports on socially responsible practices focused on their suppliers. However, the practices differ in terms of dimension and the area of CSR applied.

13

Przestrzenna alokacja producentów motoryzacji na świecie a aspekty telematyki transportu

75%

Hys K.

Nierówności społeczne a wzrost gospodarczy

|

2015

|

tom 44 cz. 1

214-225

PL

Celem pracy jest zasygnalizowanie problematyki lokalizacji zakładów produkcyjnych branży motoryzacyjne na świecie w świetle zagadnień telematyki transportu. W celu poszukiwania innowacyjnych rozwiązań optymalizujących procesy logistyczno-transportowe zachodzące pomiędzy zakładami produkcyjnymi a klientami rozpatrywane są podstawowe cechy charakterystyczne telematyki transportu w branży motoryzacyjnej.

EN

The aim of the article is to present the topic of the location of automotive production facilities in the world in the light of issues connected with transport telematics. Essential characteristics of transport telematics in the automotive industry are consider in order to search for innovative solutions to optimize logistics and transport processes occurring between production facilities and customers.

14

Numerical Study of Rotary Friction Welding of Automotive Components

75%

Więckowski W. , Lacki P. , Derlatka A. , Wieczorek P.

|

tom Vol. 18, no 4

336--346

EN

The aim of the research was to select a material from which a washer can be made, so that it can be connected to an E355 steel tube by Rotary Friction Welding (RFW). It was decided to choose the steel grade X6CrMo17-1. The numerical model of the RFW process was built using the finite element method (FEM) using the ADINA System software. The numerical model takes into account the friction coefficient with variable values depending on the temperature. Numerical simulations of the process made it possible to determine the temperature fields in the weld cross-section. For the assumed process parameters: rotational speed of 14,000 rpm, friction time of 1.5 s and friction force of 600 N, the peak temperature occurred in the middle of the friction surface at the end of the friction phase and amounted to 1050 C. The results of the temperature analysis are one of the most important parameters for the implementation of subsequent calculations, such as the calculation of structural changes, hardness, residual stresses and deformations.

15

Konstrukcja głowicy pomiarowej do badań kinematyki ruchu koła jezdnego samochodu

75%

Gołaszewski A. , Szydłowski T.

Logistyka

|

2014

|

tom nr 6

3977--3986

PL

Badania dynamiki ruchu pojazdów wpływają w istotny sposób na rozwój ogólnie rozumianej motoryzacji. Prowadzone są one od wielu lat przez różne ośrodki badawcze wykorzystujące własne bądź komercyjne stanowiska badawcze. Zakup komercyjnego mobilnego stanowiska badawczego oferowanego na rynku stanowi poważny problem finansowy, a w dodatku nie zawsze daje ono możliwości dokonywania pomiarów wszystkich istotnych parametrów. W związku z tym opracowano własne rozwiązanie takiego stanowiska, które stanowi temat niniejszej publikacji. W artykule zostało zaprezentowane rozwiązanie konstrukcyjne tylko jednego z modułów mobilnego stanowiska do badań dynamiki ruchu pojazdu. Opisany moduł to głowica do pomiaru kąta skrętu koła oraz prędkości kątowej koła. Stanowi ona oryginalne, niestosowane rozwiązanie umożliwiające pomiar rzeczywistego skrętu koła pojazdu. Zaletami prezentowanego rozwiązania jest prosta konstrukcja umożliwiająca szybki montaż i demontaż urządzenia do dowolnego pojazdu przez jedną osobę. Stanowisko to zostało wykonane w Katedrze Pojazdów i Podstaw Budowy Maszyn Politechniki Łódzkiej. Przeprowadzone próby jego montażu i badań na różnych samochodach osobowy potwierdziły jego praktyczność i możliwość realizacji założonych badań dynamiki ruchu pojazdów.

EN

Study of vehicle dynamic significantly contribute to the development the automotive industry. They are conducted for many years by various research centres which use their own or commercial research devices. Purchase a commercial mobile device offered on the market is a serious financial problem, and in addition not always gives possibilities to measure of all relevant parameters. Therefore developed own solution of such device which is the subject of this publication. The paper presents solution of only the one module of whole mobile device for experimental research of vehicle dynamic. Described module it is the knob to measure wheel angle and angular velocity of the wheel. It is an original, non-applied solution to measure the actual wheel angle of the vehicle. The advantage of the presented solution is a simple design allowing to quick assembly and disassembly it to the vehicle by only one person. The test stand was made at the Department of Vehicles and Fundamentals of Machine Design at Technical University of Lodz. Attempts of assembly the module on various passenger cars proved its practicality and possibilities of achieving assumed research of vehicles.

16

Optymalizacja topologiczna dźwigni pedału hamulca

75%

Szmyt W.

|

2018

|

tom nr 11(6)

79--90

PL

Przedstawiono sposób przeprowadzenia optymalizacji topologicznej dźwigni pedału hamulca w programie solidThinking Inspire. Pokazano geometrię przed optymalizacją, nadane warunki brzegowe optymalizacji oraz obliczeń wytrzymałościowych, a także geometrię po optymalizacji. Porównano wyniki obliczeń wytrzymałościowych oraz masy badanych obiektów przed i po optymalizacji. Zoptymalizowana geometria spełniła przyjęte kryteria przy jednoczesnym zmniejszeniu masy o 34,1%.

EN

The paper showcased topology optimization of the brake pedal lever performed in solidThinking Inspire software. Geometries before and after optimization were shown, as well as boundary conditions for optimization and strength assessment. The stresses and masses of geometries before and after optimization were compared. Optimized geometry met assumed strength criteria along with reduced mass by 34,1%.

17

Procesy logistyczne w motoryzacji

75%

Wąsowicz A. , Borowiak J.

TTS Technika Transportu Szynowego

|

2012

|

tom R. 19, nr 9

1687--1694, CD

PL

W artykule zidentyfikowano procesy logistyczne występujące w motoryzacji, w szczególności dotyczące pojazdów samochodowych. Omówiono je zgodnie fazami istnienia pojazdu, tzn. procesy logistyczne w projektowaniu, produkcji, eksploatacji i wycofaniu pojazdów z eksploatacji.

EN

In the article are identified logistic processes present in motorization, especially concerning automobiles. They are discussed accordingly to car’s existence phases, that is design, production, exploitation and withdrawn from exploitation logistic processes.

18

Improving production of low pressure hoses

75%

Sygut P. , Krynke M.

Production Engineering Archives

|

2017

|

tom Vol. 17

33--36

EN

The paper presents the results of research carried out in one of the domestic companies producing rubber and plastics products for the automotive industry. The results of the evaluation of the quality control function during production of the low pressure hoses and the characteristics of the main machine taking part in this production process are presented. An analysis of the results of the evaluation of factors influencing the quality of production is presented and guidelines for improving this production process are presented. One of the proposed solutions for improvement is the modernization of the machine park and introduction of production nests.

19

Application of optical profilometry in the analysis of the destruction process of renovation organic coatings for the automotive industry

75%

Gauda K. , Pasierbiewicz K.

Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska

|

2019

|

tom T. 9, nr 4

22--25

EN

The article concerns the evaluation of the possibility of using the optical profilometry method in the analysis of the destruction process of acrylic coatings exposed at a climate station in an industrial-urban atmosphere. It was found that the observed changes do not allow to clearly assess the durability of the tested coatings. It seems that the method used may play a supporting role in assessing the quality of the coatings because the surface maps show the number and size of pores in the coating. Therefore, this method can be used, for example, to help determine the optimal parameters of the coating process (e.g. spray pressure).

PL

Artykuł dotyczy oceny możliwości wykorzystania metody profilometrii optycznej w analizie procesu destrukcji renowacyjnych powłok akrylowych przeznaczonych dla przemysłu motoryzacyjnego eksponowanych na stacji klimatycznej w atmosferze przemysłowo-miejskiej. Stwierdzono, że zaobserwowane zmiany nie pozwalają jednoznacznie ocenić trwałości badanych powłok. Wydaje się, że zastosowana metoda może odgrywać rolę pomocniczą w ocenie jakości powłok, ponieważ mapy powierzchni wyraźnie pokazują liczbę i wielkość porów w powłoce. Można więc zastosować tę metodę przykładowo jako wspomagającą ustalenie optymalnych parametrów procesu nakładania powłok (np. ciśnienia natrysku).

20

Elektromobilność – zagrożenie dla niemieckiej motoryzacji?

75%

Popławski K.

Nowa Energia

|

2019

|

tom nr 5/6

57--59

PL

Jesteśmy świadkami rewolucji na rynku motoryzacyjnym, która w ciągu kilkunastu lat może zakończyć wieloletnią dominację silnika spalinowego w produkcji samochodów. Właśnie niemieckie koncerny motoryzacyjne przez długi czas zakładały, że transformacja w kierunku silnika elektrycznego będzie procesem trwającym wiele lat. Nie doceniły one siły przekonań ekologicznych w społeczeństwie oraz tempa zmian technologicznych.