Academic literature on the topic 'Bata Shoe Company'
Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles
Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Bata Shoe Company.'
Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.
You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.
Journal articles on the topic "Bata Shoe Company"
1
Lank, AIden G. "A Conversation with Tom Bata." Family Business Review 10, no. 3 (September 1997): 211–19. http://dx.doi.org/10.1111/j.1741-6248.1997.00211.x.
Full textAbstract:
It is because of the Bata Shoe Company's long association with Eastern Europe that I approached Thomas G. Bata for this interview. Bata, the chairman of Bata Limited (the Management Company) describes how, after having seen its assets expropriated by the Nazis and subsequently by the Communists, his company returned to its roots in Czechoslovakia in the early 1990s. Bata then shares his personal perspectives on the current and future climate for private enterprise and family business in some of the key former Warsaw Pact countries. He ends with some thoughts on opportunities for western consultants and family businesses in Eastern Europe.
2
Kowalska, Joanna Regina. "Władysław Dziadoń, the Kraków ‘King of Shoes’." Costume 53, no. 1 (March 2019): 67–91. http://dx.doi.org/10.3366/cost.2019.0096.
Full textAbstract:
The Kraków shoemaker Władysław Dziadoń was called the king of shoes among citizens of Kraków. He worked in shoemaking between the years 1920 and 1955. His dream was to create a company of comparable significance to the Czechoslovakian Bata shoe company. During the years of the German occupation in the Second World War, he provided support to the resistance movement, without giving up the business of producing shoes. While he was hopeful that after the war he would be able to realize his dreams and aspirations, the conditions of a totalitarian state and the communist economy meant that these plans were never able to materialize. He was persecuted by the communist state, and in 1955 he had to close his shoe company. In the collections of the National Museum in Kraków there are thirty pairs of shoes made by his company, another three pairs are preserved in a private collection. This high-quality footwear is the only material legacy of Władysław Dziadoń's skills as a producer of shoes. This article illustrates the fate of a shoemaker and entrepreneur in the era of the German occupation (1939–1945) and Stalinism (1945–1955).
3
Pratama, Ahmad Febrian, Trias Setyowati, and Haris Hermawan. "PENGARUH MARKETING MIX TERHADAP KEPUTUSAN PEMBELIAN SEPATU BATA PADA TOKO SEPATU DI KABUPATEN JEMBER." Jurnal Mahasiswa Entrepreneurship (JME) 2, no. 3 (August 15, 2023): 561. http://dx.doi.org/10.36841/jme.v2i3.3278.
Full textAbstract:
Very tight market competition requires companies to be able to adapt to consumer needs in order to be able to compete in the market. A decrease in sales can be used as an indicator of a problem that must be considered by the company, because in this case the sales result is the main income for the company to continue its business. The purpose of this research is to examine and identify the effect of marketing mix on consumer purchasing decisions at shoe stores in Jember Regency. This research was conducted by distributing questionnaires to 125 consumer respondents who had purchased shoes at the Bata Shoe store in Jember Regency. The data that has been collected was analyzed using multiple linear regression tests using the SPSS application. The results of multiple regression analysis show that the variables product, price, promotion, place, people and process have a positive relationship with the regression coefficient on purchasing decisions and variable physical evidence has a negative relationship with the regression coefficient on purchasing decisions, while the results of the t test show that product, price, people and process have a significant effect on purchasing decisions of 0.000 and variable promotion, place and physical evidence have no significant effect on purchasing decisions of 0.074, 0.398, 0.495. The results of the study show that the marketing mix includes product, price, place, promotion, people, physical evidence and process simultaneously have a significant influence on decisions purchase of shoes at the Bata Shoes store in Jember Regency.
4
Balaban, Milan, Jan Herman, and Dalibor Savic´. "The early decades of the Bata Shoe Company in India: From establishment to economic and social integration." Indian Economic & Social History Review 58, no. 3 (June 27, 2021): 297–332. http://dx.doi.org/10.1177/00194646211020303.
Full textAbstract:
The study presents a historical and sociological interpretation of the events that marked the gradual integration of the Bata Company into the Indian economy and society from the mid-1920s to the early 1960s. Within this context, in addition to the general economic, political and cultural developments, particular attention has been devoted to the everyday life of Indian and Czech workers in the Bata company town of Batanagar. The study is based on a comparative-historical analysis of available archival sources and a secondary analysis of the relevant academic literature. The results of the research indicate that during this period, Bata was forced to adapt continuously to the cultural specifics of Indian society, that is, the process of its integration into the Indian economy and society had pronounced glocal characteristics.
5
Njoroge, Racheal Wanjiru, and Dr Mike A. Iravo. "EFFECTS OF GREEN PROCUREMENT ADOPTION ON THE SUPPLY CHAIN PERFORMANCE AT BATA SHOE COMPANY LIMITED, KENYA." American Journal of Supply Chain Management 6, no. 1 (May 24, 2017): 44–59. http://dx.doi.org/10.47672/ajscm.255.
Full textAbstract:
Purpose: This purpose of the study was to determine the effects of adopting green procurement on the supply chain performance at Bata shoe company in KenyaMethodology: This study adopted descriptive research design. The target population was 120 employees working in different levels of management who are directly involved in managing distribution activities in the organization. The sampling frame was the Human Resource register at BATA Kenya. The population sample was 120 respondents. Structured questionnaires containing both open ended and closed ended questions were used to collect primary data. The questionnaires were filled and returned for analysis. The data collected was analyzed using descriptive statistics like percentages, standard deviations, frequency tables among others. The Statistical Package for Social Sciences (SPSS) Version 17 software was used.Results: Results indicated that quality management, organizational policy, information technology integration and demand management have a positive and significant relationship on supply chain performance at BATAUnique contribution to theory, practice and policy: This study recommends that BATA should review its organizational policy on JIT implementation to improve its supply chain performance especially in regards to better human resource management practices. BATA should also enhance its Information Technology Integration to promote information sharing and support its ERP systems.
6
Jenkins, Eric J. "Utopia, Inc.: Czech Culture and Bata Shoe Company Architecture and Garden Cities." Thresholds 18 (January 1999): 60–66. http://dx.doi.org/10.1162/thld_a_00504.
Full text
7
Kenedi, Cindy Widya, and Asron Saputra. "Pengaruh Promosi Dan Kualitas Produk Terhadap Keputusan Pembelian Sepatu Bata Di Kota Batam." JURNAL ILMIAH FEASIBLE (JIF) 5, no. 2 (August 27, 2023): 104–13. http://dx.doi.org/10.32493/fb.v5i2.2023.104-113.32322.
Full textAbstract:
Dewasa ini, permintaan sepatu di Indonesia melonjak signifikan, menandakan perlunya para pengusaha untuk terus berinovasi dan menciptakan produk dengan kualitas dan nilai yang luar biasa bagi konsumen. Lanskap kompetitif yang ada di antara produsen harus mengharuskan manajemen perusahaan berusaha semaksimal mungkin untuk tetap kompetitif di pasar yang dinamis dengan memperhatikan promosi dan kualitas produk. Penelitian ini merupakan penelitian deskriptif kuantitatif, Populasi dalam penelitian ini berjumlah 240 responden dengan melalui rumus slovin, didapatkan sampel sebanyak 150 orang yang kemudian datanya akan dianalisis menggunakan bantuan aplikasi SPSS versi 25. Hasil penelitian menunjukkan Promosi berpengaruh positif dan mempunyai pengaruh signifikan secara parsial terhadap keputusan pembelian sepatu bata di Dc Mall Kota Batam. Kualitas Produk berpengaruh positif dan memiliki pengaruh signifikan secara parsial terhadap keputusan pembelian sepatu bata di DC Mall Kota Batam. Lalu Promosi dan Kualitas produk berpengaruh positif dan memiliki pengaruh signifikan secara parsial terhadap keputusan pembelian sepatu bata di DC Mall Kota Batam. Kata kunci: Keputusan Pembelian; Kualias Produk; Promosi; Sepatu Bata Abstract Today, the demand for shoes in Indonesia has increased significantly, indicating the need for entrepreneurs to continue to innovate and create products with exceptional quality and value for consumers. The competitive landscape that exists among manufacturers should require that company management make every effort to stay competitive in a dynamic market with an eye on promotion and product quality. This research is a quantitative descriptive study. The population in this study was 240 respondents using the slovin formula, a sample of 150 people was obtained, and the data was analyzed using the SPSS version 25 application. buying Bata shoes at Dc Mall Batam City. Product quality has a positive and partially significant effect on purchasing decisions for bata shoes at Dc Mall Batam City. Then Promotion and Product Quality have a positive and partially significant influence on the decision to purchase Bata shoes at DC Mall Batam City. Keywords: Bata Shoe; Product Quality; Promotion; Purchase Decision
8
Agustina ZM, Anik. "Determinats of Profitability and Implications on Corporate Value." Journal of Accounting and Finance Management 2, no. 1 (March 6, 2021): 30–39. http://dx.doi.org/10.38035/jafm.v2i1.45.
Full textAbstract:
This study aims to prove empirically the determinants of profitability and their implications for firm value in manufacturing companies listed on the Indonesia Stock Exchange during the 2015-2019 period by using a panel data regression model with 25 manufacturing companies as the research sample. Based on the empirical results, the influencing variables positive and significant impact on profitability is Managerial Share Ownership, Audit Committee Effectiveness, Corporate Social Responsibility, company size. and variables that do not have a significant effect are institutional stock ownership and the Debt To Equity Ratio. positively and significantly. Individual companies are affected by profitability; The biggest positive influence is the company Japfa Comfeed Indonesia Tbk, the smallest positive is the Lion Metal Work Tbk company, and the biggest negative influence is the Bata Shoe Company Tbk, the smallest negative is the company Holcim Indonesia Tbk. The results of this study have implications for firm value (Tobins Q); The variables that show a positive and significant influence are the variable of Audit Committee Effectiveness, Corporate Social Responsibility, Company Size, and Debt To Equity Ratio, Return on Asset variables that have no effect are Institutional Share Ownership, Managerial Share Ownership. the biggest positive influence on changes (Tobins Q) of the company Japfa Comfeed Indonesia Tbk. the smallest positive is the company Semen Batu Raja Tbk, the biggest negative influence is the Company Tempo Scan Pacific Tbk; The smallest negative influence is the company Holcim Indonesia Tbk.
9
Ďurišová, Libuše. "Vocational Education Based on Knowledge or Experience?" Lifelong Learning 1, no. 1 (2011): 22–32. http://dx.doi.org/10.11118/lifele2011010122.
Full textAbstract:
The development of vocational education will depend on whether it provides future-oriented competencies. That means desired competencies of the knowledge society. At present the vocational education includes two different views. One is based on implicit knowledge, the other on explicit knowledge. Implicit knowledge is understood as the knowledge based on experience. Explicit knowledge represents systematic and theoretical knowledge. Although implicit and explicit knowledge have been identified for the first time in the fifties of the last century, both of these forms were already established as essential parts of a business education in the Bata company in Zlín in the twenties to forties of the last century. The thesis aims to characterize these two forms of knowledge in relation to vocational education and to answer the following research questions: What competencies will provide graduates with vocational education based only on explicit knowledge? What competencies will provide vocational education based solely on implicit knowledge? Document analysis and field research obtained facts and information about these issues are compared with the concept of vocational education in the Bata’s shoe company in the twenties to forties of the last century. Methods conform to the historical method of working with archive documents and literature.
10
Старостенко, Ю. Д. "ZLÍN AS AN IDEAL CITY OF INTERWAR CZECH MODERNISM." ВОПРОСЫ ВСЕОБЩЕЙ ИСТОРИИ АРХИТЕКТУРЫ, no. 1(12) (February 17, 2020): 261–82. http://dx.doi.org/10.25995/niitiag.2019.12.1.013.
Full textAbstract:
В статье описывается архитектурно-градостроительное развитие чешского города Злина (Zlín) в 1920-1930-е гг. За два межвоенных десятилетия небольшой средневековый город, каким был Злин в конце существования Австро-Венгерской империи, превратился в большой промышленный центр первой Чехословацкой Республики. Ключевую роль в этом преобразовании города сыграли владельцы обувной фабрики «Батя» (Baťa), которая была крупнейшим предприятием города. Видя залог успеха фирмы в благополучии ее сотрудников, владельцы фабрики считали необходимым обеспечивать их жильем и различными объектами социальной и культурной сферы. В течение 1920-1930-х гг. на основе идеи города-сада для Злина было разработано несколько проектов планировки; была выработана особая типология и особый облик двух- и четырехквартирных жилых домов фирмы «Батя», которые сегодня известны как «батевы домики»; специально для фирмы «Батя» была разработана конструктивная система, которая обеспечивала возможность скоростного возведения как новых производственных корпусов, так и общественных зданий. Использование единых конструктивных решений и материалов, внедрение принципов стандартизации и типизации, с одной стороны, обеспечивало высокие темпы развития города, а с другой -привело к формированию уникального, узнаваемого облика Злина, который привлекал сторонников «современной архитектуры», в том числе Ле Корбюзье. Опыт, накопленный в Злине, позволил архитекторам фирмы «Батя» разработать множество проектов небольших промышленных городов, которые строились фирмой по всему миру, а также начать работу над проектами «идеальных промышленных городов». Совокупность всех этих факторов и высокий процент реализации всех архитектурных и градостроительных проектов, разработанных для Злина, и сформировали представление о нем как об идеальном городе межвоенного чешского модернизма. The article describes the architectural and urban development of the Czech city Zlín in the 1920s-1930s. Zlín, a small medieval city at the end of the Austro-Hungarian Empire, during two interwar decades, turned into a large industrial center of the first Czechoslovak Republic. The key role in this transformation of the city was played by the owners of the Shoe factory “Bata” (Baťa), which was the largest enterprise in the city. Seeing the success of the company in the well-being of its employees, the owners of the factory considered it necessary to provide them with housing and various social and cultural facilities. Several projects of urban planning developed in the 1920’s and 1930’s, based on the idea of Zlín as a garden city. A special type of houses for 2 and 4 apartments each, which today is known as the “baťovský domek” were developed. A constructive system was developed especially for the company “Bata”, that provided the possibility of high-speed construction of new industrial buildings and new public buildings. The use of unified design solutions and materials, the introduction of the principles of standardization and typification, on the one hand, provided a high rate of development in the city, and on the other hand, led to the formation of a unique, recognizable image of Zlín, which attracted supporters of "modern architecture", including Le Corbusier. The experience gained in Zlín allowed the architects of the “Bata” firm to develop many projects for small industrial cities, which were built by the company around the world, as well as to start working on projects of "ideal industrial cities". The combination of all these factors and the high percentage of implementation of all architectural and urban projects developed for Zlín formed the idea of it as an ideal city of interwar Czech modernism. Key words: industrial city, ideal city, city planning, modernism architecture, Zlín, Czechoslovakia.
Books on the topic "Bata Shoe Company"
1
Volejník, Jiří. Zlínské letectví: Ilustrovaná historie 1924-2004. Zlín: Muzeum jihovýchodní Moravy, 2009.
Find full text
2
Gatti, Alain. Chausser les hommes qui vont pieds nus: Bata-Hellocourt, 1931-2001 : enquête sur la mémoire industrielle et sociale. Metz [France]: Serpenoise, 2004.
Find full text
3
author, Hackenbroich Wilfried, Schneider Philine author, and Stiftung Bauhaus Dessau, eds. Architektur aus der Schuhbox: Bat'as internationale Fabrikstädte. Leipzig: Spector Books, 2012.
Find full text
4
Rybka, Zdeněk. Základní zásady Bat̕ova systému pro podnikatele a vedoucí pracovníky: Studie. Praha: Edice Toko, 1999.
Find full text
5
Pokluda, Zdeněk. Ze Zlína do světa: Příběh Tomáše Bati = From Zlín into the world : the story of Thomas Bata. 2nd ed. Zlín: Nadace Tomáše Bati, 2009.
Find full text
6
Bat̕a, Tomáš. Knowledge in action: The Bata system of management. Amsterdam: IOS Press, 1992.
Find full text
9
Brož, Ivan. Chlapi od Baťů: Osudy baťovců v době, kdy šéfoval Jan Baťa. Praha: Epocha, 2002.
Find full textBook chapters on the topic "Bata Shoe Company"
1
Inchbald, Elizabeth. "Chapter I." In A Simple Story. Oxford University Press, 2009. http://dx.doi.org/10.1093/owc/9780199554720.003.0021.
Full textAbstract:
When Miss Milner arrived at Bath, she thought it the most altered place she had ever seen—she was mistaken—it was she herself, who was changed. The walks were melancholy, the company insipid, the ballroom fatiguing—in fine, she had left behind, all that could charm or...
2
"Andrew Dunn." In ReFocus: The Later Films and Legacy of Robert Altman, edited by Lisa Dombrowski and Justin Wyatt, 243–51. Edinburgh University Press, 2022. http://dx.doi.org/10.3366/edinburgh/9781474478854.003.0020.
Full textAbstract:
Andrew Dunn trained at the BBC as an editor before becoming a camera operator and cinematographer. A member of the British Society of Cinematographers, he has shot more than fifty features and twenty-five television dramas and has won three BAFTA awards. He was the director of photography on Gosford Park (2001) and The Company (2003). In this interview, he discusses his working relationship with Robert Altman and how they prepared and shot Gosford Park and The Company.
3
Castillo-Muñoz, Verónica. "Revolution, Labor Unions, and Land Reform in Baja California." In Other California. University of California Press, 2016. http://dx.doi.org/10.1525/california/9780520291638.003.0004.
Full textAbstract:
This chapter discusses the formation of labor organizations of Mexican and Asian workers, and their influence on both the labor movement and the movement for land reform. Following the decade of revolutionary upheaval, the population of Baja California increased from 23,537 in 1921 to 48,327 in 1930. During the same time frame, the Colorado River Land Company abandoned large tracts of uncultivated land, which led to an increase in unemployment and stiffer competition between Asian and Mexican workers. Unemployment, combined with the housing shortage caused by a new wave of Mexican migrant workers from the United States, led to the formation of labor unions where indigenous peoples, Mexicans, and Mexican Americans demanded access to farmland and called for restrictions on Chinese immigration. Chinese workers formed Chinese associations in the face of repression and forced deportations. While these struggles reveal how workers dealt with hard financial times, they also show how race, gender, and ethnic affiliations shaped activism and early land reform movements in the Mexicali Valley in the 1920s.
Conference papers on the topic "Bata Shoe Company"
1
Wen, Qunya, Feng Wang, Bing Xu, and Zongxuan Sun. "Power Optimization of Series Hydraulic Hybrid Powertrain for Compact Wheel Loader." In ASME/BATH 2019 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/fpmc2019-1708.
Full textAbstract:
Abstract As an effective approach to improving the fuel economy of heavy duty vehicles, hydraulic hybrid has shown great potentials in off-road applications. Although the fuel economy improvement is achieved through different hybrid architectures (parallel, series and power split), the energy management strategy is still the key to hydraulic hybrid powertrain. Different optimization methods provide powerful tools for energy management strategy of hybrid powertrain. In this paper a power optimization method based on equivalent consumption minimization strategy has been proposed for a series hydraulic hybrid wheel loader. To show the fuel saving potential of the proposed strategy, the fuel consumption of the hydraulic hybrid wheel loader with equivalent consumption minimization strategy was investigated and compared with the system with a rule-based strategy. The parameter study of the equivalent consumption minimization strategy has also been conducted.
2
Paloniitty, Miika, and Matti Linjama. "A Miniature On/Off Valve Concept for High Performance Water Hydraulics." In ASME/BATH 2017 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fpmc2017-4254.
Full textAbstract:
Digital hydraulic control valve technology has shown its strengths in providing reliable, leak-tight and high performance valve control regardless of the pressure medium used, oil or water. This is enabled by the intelligent use of robust on/off seat valves. However, the availability of these valves for water hydraulics is limited, especially that of compact valves, which are needed for digital valve systems. Thus, with the aim to create a compact digital water hydraulic valve system, this paper presents the development process of a water hydraulic miniature valve. The starting point for the development is a previously developed miniature valve for oil hydraulics. Experimental results with the new prototype show that good performance can be achieved for the miniature valve even with using stainless steel materials. This enables high-performance digital water hydraulic control.
3
Manhartsgruber, Bernhard. "Hydraulic Drive Trains in Wind Turbines for Rapidly Changing Strong Winds." In ASME/BATH 2023 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/fpmc2023-111919.
Full textAbstract:
Abstract Wind energy is among the most important technologies for reducing our carbon footprint in the atmosphere. An analysis of the wind energy market over the last years shows a favor for wind turbine technology with a rather low nominal speed resulting in a frequent down-regulation or limitation of the harvested wind power by the commonly used pitch control mechanism. Two reasons for this development can be named. Firstly, it is economically infeasible to size the electric generator for a very high peak power that will not show up very often during operation. Secondly, setting the target towards rather low nominal wind speeds results in a situation where the wind power plants can operate very steadily, especially in situations with rather stable wind conditions like offshore plants. Hydraulic drive trains for wind turbines have been researched in the past mainly with the goal of getting rid of the expensive mechanical transmissions between wind rotor and generator, most remarkably by the Artemis company in Edinburgh, Scotland. Also hybrid technologies with hydropneumatic accumulators for buffering energy have already been presented, e.g. by the group around Prof. Kim Stelson at the University of Minnesota. This paper deals with the situation of a wind rotor without pitch control, i.e. with fixed blades, and a rotor speed floating free with the wind speed. A system of differently sized hydraulic pumps is used in a digital fluid power manner to feed the harvested energy into a high pressure accumulator. This accumulator powers a variable displacement hydraulic motor driving a synchronous generator at grid frequency. Basic concepts and a simulation study are presented in order to get insight into the potentials of this technology. A first prototype is under construction in cooperation with a wind energy startup company.
4
Ruggeri, Massimiliano, Luca Belsito, Federico Bosi, Paolo Cominetti, Matteo Ferri, Mattia Ferri, and Alberto Roncaglia. "Advancements in Noninvasive Pressure Sensing in Hydraulic Components." In ASME/BATH 2023 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/fpmc2023-109140.
Full textAbstract:
Abstract Sensors and sensorized components are gaining for importance in hydraulics, due to increasing need for control and diagnostics. Sensors and specifically pressure sensors are widely available, but most of them are invasive and require threaded mounting holes or T-junctions, often coupled with a fluid pressure drop. The paper deals with advancements in a noninvasive pressure sensing method based on indirect pressure measurement, performed through direct acquisition of the component’s strain under pressure effect. Optimized MEMS sensors, based on micro-mechanical resonance frequency variation under mechanical stress, allow a very precise strain and pressure measurement, fully temperature compensated. The applied research shows the technology advancements in MEMS design and in the improvements of finding the best position for the sensor on the hydraulic components, as well as the sensor calibration and data management. All tests were performed at Bonfiglioli S.p.A. company R&D test bench using production hydraulic motors, and data were gathered using both the embedded test bench electronic control, the data logging system and directly from the edge unit connected to the MEMS sensors. The paper will show that not only a noninvasive pressure measurement is possible using the MEMS-DETF sensors, but also that a simple temperature compensation method is possible, available with two different methods: an experimental one and a computational one, based on metal and Silicon thermal linear expansion coefficient.
5
Ketelsen, Søren, Torben Ole Andersen, Morten Kjeld Ebbesen, and Lasse Schmidt. "Mass Estimation of Self-Contained Linear Electro-Hydraulic Actuators and Evaluation of the Influence on Payload Capacity of a Knuckle Boom Crane." In ASME/BATH 2019 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/fpmc2019-1689.
Full textAbstract:
Abstract Self-contained linear hydraulic drives are characterized by having integrated the hydraulic power unit e.g. electrical prime mover, hydraulic pumps etc. and the hydraulic cylinder in a single compact unit. Compared to the hydraulic cylinder itself, the mass of the self-contained linear actuator is significantly larger. For some applications, e.g. crane manipulators the additional mass of the actuators compared to conventional valve-controlled hydraulics, may reduce the payload capacity, which is a central performance parameter. As a case study, a medium sized two link knuckle boom crane is modelled and by assuming the force capability of the hydraulic cylinders to be the limiting factor, the reduction in payload capacity is examined if replacing the knuckle boom cylinder with a self-contained hydraulic cylinder drive. By focusing on seven different hydraulic circuit architectures, this study estimates the mass of compact pump-controlled actuators and investigates to what extent the choice of system topology affects the mass of the actuator, and thus payload capacity of the crane. The results show that the choice of hydraulic circuit architecture may affect both the required amount of installed power and the mass of the self-contained actuator. For the considered knuckle boom crane the estimated mass of the needed 59 kW self-contained actuator ranges from 2300 kg to 2521 kg depending on the hydraulic circuit architecture. The mass of the hydraulic cylinder itself used for conventional valve actuation is estimated to 1674 kg. If the entire working range is considered, installing the heavier self-contained actuator reduces the payload capacity with up to 3 % compared to conventional valve actuation.
6
Casoli, Paolo, Luca Riccò, Federico Campanini, Antonio Lettini, and Cesare Dolcin. "Mathematical Model of a Hydraulic Excavator for Fuel Consumption Predictions." In ASME/BATH 2015 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/fpmc2015-9566.
Full textAbstract:
This paper presents the multibody mathematical model of a hydraulic excavator, developed in the AMESim® environment, which is able to predict the machinery fuel consumption during the working cycles. The mathematical modelling approach is presented as well as the subsystems models. The experimental activity on the excavator is presented in detail. The excavator fuel consumption was measured according to the JCMAS standard. The working cycles were executed an appropriate number of times in order to minimize the stochastic influence of the operator on the fuel consumption. The results show the mathematical model capability in the machine fuel consumption prediction. The excavator model could be useful either to perform accurate analyses on the energy dissipation in the system, giving the possibility to introduce new system configurations and compare their performance with the standard one, or for the definition of novel system control strategies in order to achieve the fuel consumption reduction target.
7
Busquets, Enrique, and Monika Ivantysynova. "A Robust Multi-Input Multi-Output Control Strategy for the Secondary Controlled Hydraulic Hybrid Swing of a Compact Excavator With Variable Accumulator Pressure." In ASME/BATH 2014 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fpmc2014-7859.
Full textAbstract:
Over the last decade, a number of hybrid architectures have been proposed with the main goal of minimizing energy consumption of excavator swing drives. One of the most notorious architectures is the secondary controlled hydraulic swing drive. One of the advantages of this system is that, through the installation of a hydraulic accumulator, energy which otherwise would be wasted can be stored and reutilized on demand. However, the fact that the hydraulic motor in this architecture operates under a constant high pressure at all times diminishes the overall system efficiency significantly. Therefore, to investigate machine power management strategies, it is imperative to formulate a controller that overcomes this weakness. In this paper, a robust multi-input multi-output controller is synthesized for the control of the hybrid swing velocity and for first time the control of the accumulator state of charge. The simplified plant is tested using a high fidelity nonlinear model developed in the Simulink-Matlab environment. The proposed controller is then tested and compared against a PI controller using the optimal accumulator pressure obtained from dynamic programming and the desired cab velocity. Results show satisfactory tracking of the swing drive velocity and pressure. In addition, a study of the nominal stability, robust stability and robust performance of the controlled system reveals the advantages of the H∞ controller.
8
Gil Samaniego Ramos, Margarita, Héctor Enrique Campbell Ramírez, and Juan Carlos Tapia Olivas. "Water Supply Sustainability Indicators for the Southern California-Baja California Area." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-64540.
Full textAbstract:
Southern California and Baja California share, besides a dynamic social and economic exchange and 226 kilometers of borderline, an important natural resource: water from the Colorado River. Both areas have arid and semiarid climate in large zones and local fresh water sources are scarce, so water imports from the Colorado are strategic for their continued social and economic growth. Southern California’s water supply comes from the State Water Project, the Colorado River Aqueduct and local sources; in turn, Baja California depends mostly on the water supplied by the Colorado River, with an aqueduct that serves the Pacific coastline cities of the state. Both water supply systems are considered high energy consumers, affecting the quality of life in the region. The sustainable development of both communities is a challenge to Mexican and American public policy planners who must recognize that, to meet the future water demands to support sustainable development in this area it will require improved utilization and management of water resources. In this paper, water supply sustainable indicators were calculated for southern California and Baja California to evaluate and compare their performance towards sustainability. Findings show big differences in the indicators like water use per person, percentage of the cost of water relative to household income, cost of electricity to convey water, etc. High contrast in both economies makes up for these differences, but as water stakeholders of an only source, that is, the Colorado River, Mexico and the United States should avoid those imbalances in water use and management efficiencies, as it might affect its availability and cost, bringing potential conflicts and disturbing the traditional friendly coexistence and growth of both communities.
9
Li, Mengtang M., Ryan Foss, Kim A. Stelson, James D. Van de Ven, and Eric J. Barth. "Dynamic Model of a Novel Alternating Flow (AF) Hydraulic Pump." In ASME/BATH 2017 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fpmc2017-4241.
Full textAbstract:
High power density and good controllability are the most appealing characteristics that make hydraulic systems the best choice for many applications. Current state of the art hydraulic variable displacement pumps show high efficiency at high displacement while they have poor efficiencies at low displacement. This paper proposes a novel alternating flow (AF) variable displacement hydraulic pump to 1) eliminate metering losses by acting as a high-bandwidth pump for displacement control, 2) achieve high efficiency across a wide range of operating conditions and displacements, and 3) allow multiple units to be easily common-shaft mounted for a compact multi-actuator displacement control system from a single prime-mover. A dynamic model using first principles describes the cylinder pressure, flows between pairs of cylinders, and net inlet and outlet flows as a function of the pump’s phase shift angle. The model captures hydraulic check valve dynamics, the effective bulk modulus, leakage flows, and viscous friction. Piston kinematics and dynamics are discussed and energy loss models are presented and used to guide the design for a first prototype of the AF hydraulic pump. The paper presents simulation results from the model that offer an initial evaluation of this novel pump concept and potential applications.
10
Mustalahti, Pauli, and Jouni Mattila. "Nonlinear Model-Based Control Design for a Hydraulically Actuated Spherical Wrist." In ASME/BATH 2019 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/fpmc2019-1663.
Full textAbstract:
Abstract Anthropomorphic hydraulic manipulator arms are extensively utilized for moving heavy loads in many industrial domains, e.g., in off-shore, construction and mining. By equipping these manipulator arms with an additional 3 degrees-of-freedom (DOF) spherical wrist mechanism, the dexterity and working envelope of the manipulator can be increased. For versatile operations, the motion range for the hydraulic wrist actuators should be close to 360 degrees with high torque output, with a compact volumetric size. Although the wrist can provide a high power-to-weight ratio, the actuators also introduce significant non-linearities in their dynamic behaviors. The complex dynamic behavior combined with high loads yield significant challenges in closed-loop control design. In this paper, we design a novel subsystem-dynamics-based controller for a hydraulically actuated spherical wrist mechanism utilizing the virtual decomposition control (VDC) approach. The proposed 3-DOF wrist controller is designed to be modular; thus, it can be connected as an plug-and-play subsystem into our previously designed state-of-the-art controller for a 3-DOF hydraulic manipulator arm. Stability proof of the overall 6-DOF system is provided. Experiments with a full-scale commercial hydraulic manipulator arm equipped with the 3-DOF spherical wrist demonstrate the effectiveness of the proposed method.