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Artigos de revistas sobre o assunto "Tata Engineering and Locomotive Company"
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Kuz'min, Vladislav, Leonid Stryapkin e Ruslan Ryadchikov. "On Technical Methods to Reduce Failure Number in Safety Locomotive Major Device Operation". Automation on transport 8, n.º 2 (14 de junho de 2022): 133–49. http://dx.doi.org/10.20295/2412-9186-2022-8-2-133-149.
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Violations in operation of receiving equipment of safety locomotive major devices due to the hindering effect of electromagnetic interference (failures) are a rather frequent phenomenon on the railway network of the Open Joint Stock Company «Russian Railways» in the conditions of electromagnetic environment that has changed dramatically with active introduction of modern electric rolling stock. On the one hand, failures are the result of discrepancy of own parameters and operation algorithm of receiving equipment of safety locomotive major devices opposite interference, existing in inductive coupling channel of automatic locomotive signaling. On the other hand, it is a consequence of the lack of regulatory documentation with uniform established requirements for interference parameters under the influence of which, safety locomotive major devices, primarily built on a relay element base, shall provide for regular operation. Over the past decades, numerous and different by their technical essence attempts have been made to resolve these antagonistic contradictions. This work is one of the first attempts to generalize and analyze the results of pursued research and developments. The work is based on the results of a patent study conducted by the authors in order to identify trends in technical measure development to improve noise immunity in operation of safety locomotive major devices. On their basis, the authors proposed, described in detail and substantiated main technical methods for reducing failure number in the operation of safety locomotive major devices. The obtained results may be of interest to specialists involved in technical servicing, repairment, development and improvement of safety locomotive major devices and will be used further in the development of the theory of locomotive automatic signaling numerical code.
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Caton, J. A., e B. D. Hsu. "The General Electric Coal-Fueled Diesel Engine Program (1982–1993): A Technical Review". Journal of Engineering for Gas Turbines and Power 116, n.º 4 (1 de outubro de 1994): 749–57. http://dx.doi.org/10.1115/1.2906882.
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In the early 1980s, General Electric—Transportation Systems (GE-TS), a manufacturer of locomotive diesel engines, announced plans to develop a coal-fueled locomotive due to the availability and low cost of coal. In 1985 and 1988, the General Electric Company (GE) was awarded major contracts from the Department of Energy, Morgantown Energy Technology Center, to continue the research and development of a coal-fueled diesel engine. This paper is a review of the technical accomplishments and discoveries of the GE coal-fueled diesel engine research and development program during the years 1982–1993. The results of an economic assessment completed by GE-TS indicated the merits for the development of a coal fueled diesel engine for locomotive applications and therefore, GE-TS embarked on an ambitious program to develop and commercialize a coal-fueled diesel engine. Among the major accomplishments of this program were the development of specialized fuel injection equipment for coal–water slurries, diamond compact inserts for the nozzle tips for wear resistance, and an integrated emissions control system. Over 500 hours of engine operation was accumulated using coal fuel during the duration of this program. A major milestone was attained when, during November and December 1991, a coal-fueled diesel engine powered a locomotive on the General Electric test track.
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Ruban, М. "Development of Mainline Electric Locomotive Engineering in Ukraine (on the Example of Diversification of Production Activity of OJSC "Luhanskteplovoz")". Economic Herald of the Donbas, n.º 4 (62) (2020): 103–9. http://dx.doi.org/10.12958/1817-3772-2020-4(62)-103-109.
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The article attempts to investigate the economic preconditions for the formation of the main electric locomotive industry in Ukraine on the example of diversification of production activities of the State Holding Company «Luhanskteplovoz». It is determined that in the late 1980`s, in the absence of convertible currency for the import of traction rolling stock, Luhanskteplovoz received an order from the USSR Ministry of Railways for the development and production of electric freight and passenger locomotives of its own design. However, after 1991, due to the strategy of the Ministry of Railways of the Russian Federation to support the domestic market of main electric locomotives, and especially the lobbying of the renewed Cabinet of Ministers of Ukraine regarding the direction of investments to create a state monopoly corporation on the basis of low-power SPA «Dnipropetrovsk locomotive plant», diversification of production activities of OJSC «Luhanskteplovos» focused on a less promising direction of development of production of railcars for social purposes. It is argued that due to the low quality of products caused by the lack of sustainable funding and sound experience in the development of mainline equipment, the order of electric locomotives of SPC «Elektrovozobuduvannia» (SPA«DEVZ») was stopped. Instead, the localization and further development of industrial production at the facilities of HC «Luhanskteplovoz» of new generation freight electric locomotives, created on the basis of design and technological products of LLC «Novocherkassk electric locomotive plant», allowed the company in a short time to significantly increase the growth rate of production and expand cooperation with «Ukrzaliznytsia».
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Ortiz-Astorquiza, Camilo, Jean-François Cordeau e Emma Frejinger. "The Locomotive Assignment Problem with Distributed Power at the Canadian National Railway Company". Transportation Science 55, n.º 2 (março de 2021): 510–31. http://dx.doi.org/10.1287/trsc.2020.1030.
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Some of the most important optimization problems faced by railway operators arise from the management of their locomotive fleet. In this paper, we study a general version of the locomotive assignment problem encountered at the tactical level by one of the largest railroads in North America: the Canadian National (CN) Railway Company. We present a modeling framework with two integer linear programming formulations and contribute to the state of the art by allowing decisions on each train’s operating mode (distributed power or not) over the whole (weekly) planning horizon without partitioning it winto smaller time windows. Given the difficulty in solving the problem, one of the formulations is enhanced through various refinements, such as constraint relaxations, preprocessing, and fixed cost approximations. We thus achieve a significant reduction in the required computational time to solve instances of realistic size. We also present two versions of a Benders decomposition–based algorithm to obtain feasible solutions. On average, it allows a reduction of the associated computational time by two hours. Results from an extensive computational study and a case study with data provided by CN confirm the potential benefits of the model and solution approach.
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Hsu, B. D. "Coal-Fueled Diesel Engine Development Update at GE Transportation Systems". Journal of Engineering for Gas Turbines and Power 114, n.º 3 (1 de julho de 1992): 502–8. http://dx.doi.org/10.1115/1.2906617.
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The U.S. Department of Energy is sponsoring a General Electric Company development program for using coal-water slurry (CWS) to power a diesel engine and to test it in a locomotive. The first locomotive system test was successfully completed in 1991 on GE/TS test track. The first-phase coal-fueled 12-cylinder diesel engine used in the locomotive test employed a modified positive displacement fuel injection system and developed 2500 hp in the engine laboratory. The final phase all electric controlled fuel injection equipment (FIE) diesel engine has completed individual component development phases. Combustion research evaluated a broad range of CWS fuels with different source coals, particle sizes, and ash contents. The electronic controlled FIE single cylinder test engine yielded 99.5 percent combustion efficiency. Envelop filters and copper oxide sorbent have been chosen to clean up the engine emissions after extensive evaluation of various hot gas cleaning methods. The projected removal rate of particulate is 99.5 percent and that of SO2 is 90 percent. Over ten diamond insert injector nozzles performed well on the test engines. A bench test of one nozzle has been run for over 500 engine equivalent hours without significant wear. Tungsten carbide (WC) coated piston rings and cylinder liners were identified to be effective in overcoming power assembly wear. A matrix of WC spray parameters were investigated, and the best process was used to apply coatings onto full scale rings and liners. These and other test parts are currently running in two coal fuel operated cylinders on a converted eight-cylinder endurance test engine. All of these developed technologies will be applied onto the second phase engine and be used in the final phase locomotive test. An economic analysis was also completed on a concept locomotive design. Additional equipment cost and the level of diesel fuel price to repay the investment were analyzed. Thus the economic environment for the commercialization of the modern coal fueled locomotive is defined.
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Serikova, Olesya Yu, Artyom V. Martyshev e Lyubov D. Yakimova. "EVALUATING THE EFFECTIVENESS OF THE PERSONNEL MOTIVATION SYSTEM AS A FACTOR TO ENSURE THE QUALITY OF OPERATIONS ON THE EXAMPLE OF THE RAILWAY TRANSPORT INDUSTRY". International Journal of Advanced Studies 11, n.º 2 (30 de junho de 2021): 81–99. http://dx.doi.org/10.12731/2227-930x-2021-11-2-81-99.
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Employees motivated for high-quality work are very valuable for any company. This article is focused on evaluating the effectiveness of personnel motivation in railway locomotive operating depots. It reviews different approaches of Russian and foreign authors to the concept of “personnel motivation”. The authors offered economic and social analysis of the current personnel motivation system of the locomotive depot, which is a part of the Russian Railways holding company. In order to evaluate the effectiveness of the personnel motivation system, the authors have chosen the methodology of researching the degree of the organization’s main economic and social objectives achievement. As a result, the authors identified problems in the personnel motivation system related to the conditions of labor organization: the low level of staff awareness of motivational programs, as well as the lack of a system for evaluating staff motivation. The third problem related to the socio-psychological labor conditions was the low level of staff loyalty and lack of involvement in labor and social activities within the organization. The authors proposed corrective measures to solve the above mentioned problems: using the digital platform “Scored” and HR Code service, which is based on artificial intelligence. The expected results of the implementation of these measures are:
- increased productivity due to higher interest in the work of employees;
- increased labor activity of the staff;
- increased personnel financial interest in the development of their competencies;
- increased staff motivation level;
- maintaining the numeric and qualitative staff structure;
- improving the effectiveness of the management strategy.
The experience of personnel motivation system assessment may be useful in the regional divisions of the locomotive facilities of Russian Railways.
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Gajjar, Urvi. "A Comparative Study of Profitability Ratio Analysis of JSW Steel and Tata Steel". RESEARCH REVIEW International Journal of Multidisciplinary 7, n.º 9 (20 de setembro de 2022): 115–20. http://dx.doi.org/10.31305/rrijm.2022.v07.i09.019.
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The first and foremost objective of any company is to earn profit. It is the major feature for the company’s financial performance and each and every shareholder of a company is interested to know profit of the company. To find out the financial performance of any company Ration Analysis is the main tool for it. Present research paper is on Profitability Analysis of selected steel companies of India.
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Putri, Fiona Vista, e Agnes Aurora Ngelo. "STUDI KEPUSTAKAAN: PERANAN FUNGSI AUDIT INTERNAL DALAM MENCIPTAKAN TATA KELOLA YANG BAIK". JURNAL AKUNTANSI 11, n.º 1 (30 de abril de 2022): 130–41. http://dx.doi.org/10.37932/ja.v11i1.498.
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Penelitian ini bertujuan untuk mengetahui dan mengkaji penelitian sebelumnya tentang hubungan antara fungsi audit internal yang baik dengan manajemen laba untuk mewujudkan tata kelola perusahaan yang baik dan sebagai mekanisme internal untuk mencegah, mendeteksi, dan mengurangi kecurangan. Penelitian ini menggunakan metode kualitatif dengan pendekatan studi kepustakaan untuk memperkuat argumentasi dengan informasi yang dikumpulkan dalam buku dan artikel yang dipublikasikan di jurnal nasional dan internasional menggunakan platform Scopus, Ebscohost, dan google Scholar. Penelitian ini menemukan bahwa berdasarkan pemetaan temuan penelitian sebelumnya, banyak yang membuktikan bahwa dengan memiliki fungsi audit internal yang baik di dalam perusahaan dapat mewujudkan tata kelola perusahaan yang baik dan mengurangi risiko kecurangan laporan keuangan berupa manajemen labaThis study aim to investigate and reviews the previous study about the relationship between good internal audit function with earnings management to provide good corporate governance in the company as an internal mechanism to preventing, detecting, and mitigating fraud. This study using a qualitative method with library research approach to strength the argument by information collected in book and articles that published in national and international journal using Scopus, Ebscohost, and google scholar platform. This study found that based on the mapping of the findings of previous research, many prove that by having a good internal audit function within the company, it can realize good corporate governance and reduce the risk of fraudulent financial statements in the form of earnings management
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Hersugondo, Hersugondo, Talitha Sahda Salsabilla, Widya Lesticya, Nur Rachmalina Yuliastuti e Maxsuel Herianto Sidabutar. "DAMPAK TATA KELOLA PERUSAHAAN TERHADAP KINERJA LEMBAGA PERBANKAN DI INDONESIA". Jurnal Ilmu Manajemen dan Akuntansi Terapan (JIMAT) 13, n.º 1 (25 de maio de 2022): 27. http://dx.doi.org/10.36694/jimat.v13i1.368.
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Corporate governance is an important aspect in the company. The impact and implementation of corporate governance has become interesting for various companies because it substantially controls the management of institutions. This study analyzes the impact of elements of corporate governance (CG) which includes the composition of the board on the performance of banking institutions listed on the Indonesia Stock Exchange (IDX). The research population involved 25 banking institutions which are commercial banks in Indonesia. The data taken has a span of 4 years (2017, 2018, 2019, and 2020). Spearman correlation is used to identify the relationship between corporate governance and banking financial performance. The results of this study indicate that there is a positive relationship or correlation between the number of board personnel and the financial performance of commercial banks. The number of independent directors has a positive significant relationship with ROA, ROE and EPS, job duality has a positive significant relationship with ROA and EPS, and board meetings have no significant relationship with financial performance.
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Matsiuk, I., O. Koptovets, E. Shliakhov e P. Diachkov. "Assessment of the effect of topological optimization of metal parts". Collection of Research Papers of the National Mining University 72 (março de 2023): 144–52. http://dx.doi.org/10.33271/crpnmu/72.144.
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Purpose. The purpose of this article is to evaluate the efficiency of using the “Shape optimization” option in the Fusion 360 software product of the American company Autodesk for the details of the braking system of a mining electric locomotive. Methodology. With the advent of modern computer programs, the content of the design engineer’s work has changed, the design process has been reduced to the development of a 3D model of a metal product, which can then be subject to stress-strain analysis and, based on the results of this analysis, low-stress areas of the product which can be removed are be determined, that is, the weight of the metal used is reduced. Of particular importance is generative design, which is a new design technology. It is based on the use of software that can independently generate three-dimensional models that meet specified conditions without the involvement of a designer. Essentially, in the “human-machine” system, creative functions are passed to the computer, which deals well with them. The second most important technology is topological optimization (Shape optimization), which is applied to a model already developed by the designer in order to improve it. Findings. The paper presents the results of the research on reducing the weight of the parts of the braking system of the mine electric locomotive due to the topological optimization of their structures in the Fusion 360 software product. The removal of unloaded areas of the product was performed using the special option “Shape optimization” of this program.The effect of weight reduction in products after topological optimization is estimated to be approximately 35-45%. Originality. The use of topological optimization in the details of the braking system of the mining electric locomotive is a new approach to optimizing the structure and obtaining parts of reduced mass. Practicalvalue. The application of topological optimization at the design stage helps to find a construction design option with the most rational distribution of material and voids in a given area taking into account strength and stiffness, and, thus, significantly reduce its weight.
Livros sobre o assunto "Tata Engineering and Locomotive Company"
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Ltd, ICON Group. TATA ENGINEERING & LOCOMOTIVE CO LTD.: International Competitive Benchmarks and Financial Gap Analysis (Financial Performance Series). 2a ed. Icon Group International, 2000.
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Ltd, ICON Group. TATA ENGINEERING & LOCOMOTIVE CO LTD: International Competitive Benchmarks and Financial Gap Analysis (Financial Performance Series). 2a ed. Icon Group International, Inc., 2000.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Tata Engineering and Locomotive Company"
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Kanore, Lalit, e Priti Masatkar. "Re-engineering ‘Escorts’". In Indian Business Case Studies Volume III, 145–52. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780192869395.003.0016.
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Abstract Escort’s Ltd was not doing well in the market. The Rs 4,000 crore tractor maker, company involved in construction, railway equipment, and automobile parts too. To increase the profit of ‘Escort’, wooed some top-class talent to helm several strategic leaderships. And those talents are from Bajaj Auto, Tractors India, John Deere, and Bombardier, Tata, etc. Escorts took the steps to re-engage with the analyst/investor community too. The group also hired the investment advisor, who tried to concentrate on a core portfolio. For improving the Escort market they have now concentrated on higher horsepower (premium) segment. Now they ensure that three years from now, will be in premium segment.
Trabalhos de conferências sobre o assunto "Tata Engineering and Locomotive Company"
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Staalman, Dirk F. J., e Arend Kusters. "On-Line Slab Temperature Calculation and Control". In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0799.
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Abstract This paper describes a modern control system for reheating furnaces in a hot strip mill. The system has been implemented in two pusher and two walking beam furnaces of Hoogovens Hot Strip Mill No.2, each with a capacity of 300 ton/h, and in the 280 ton/h walking beam furnace of the Tata Iron & Steel Company (Tisco), India. The system consists of two main parts; the calculation model for reliable estimation of the slab temperatures and the controller part for reaching the desired slab temperatures. Except for the furnace control system itself, this paper describes a furnace simulator, based on multi variable system identification, that makes it possible to keep tuning of the new system on site to a minimum. The calculation model proved to give good results; 95% of all slab temperatures are estimated within a range of +/− 20°C. With the knowledge of the actual slab temperatures at each position in the furnace and an individual heating curve for each slab, actual slab temperature control become possible. Zone temperature setpoints are generated by a controller with input deviations between the calculated and target slab temperatures in a control zone; This is the master loop. The fuel setpoints are generated in slave loop. The performance of rougher temperature, but also of rundown and of skidmark have been improved remarkably, for both pusher and walking-beam furnaces.
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Morscheck, Luke A., e John J. Roller. "Stress Testing of a New North American Passenger Locomotive Truck Frame in Accordance With International Union of Railways (UIC) Code". In 2013 Joint Rail Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/jrc2013-2426.
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MotivePower Incorporated (MPI) a Wabtec company and CTLGroup have completed stress testing of a new two-axle passenger locomotive truck (bogie) frame for use in North America. Testing was performed in accordance with International Union of Railways (UIC) Code 615-4 – Bogie Frame Structural Strength Tests [1]. Static testing was performed to simulate exceptional, main in-service and particular in-service loads. A three-phase dynamic fatigue test of 10 million cycles was also performed. Factors for quasi-static, dynamic and track twist (warp) loads were increased from those recommended by the UIC Code for normal operating conditions on European railways to represent North American track conditions. Significant engineering thought was invested in fixture design, with each load application and reaction point receiving careful consideration. Static testing required ten different servo-controlled loading systems to simulate independent or superimposed vertical, lateral and/or longitudinal forces. The applied loads represented tractive effort, braking effort, curving, vehicle lateral dynamics, vehicle vertical dynamics and track twist. Fatigue testing required four different servo-controlled loading systems utilizing synchronized force functions to simulate alternating quasi-static and dynamic load sequences. The apparatus also included provisions for measuring vertical reactions at each primary spring pocket. Vertical reaction loads were measured by instrumented pedestals using a full Wheatstone bridge configuration to cancel out longitudinal and lateral load effects. Prior to testing, the prototype truck frame was instrumented with 133 strain gages installed at selected points of interest. Stress values discerned from the measured strains conformed to the allowable stress criteria and compared well with those predicted by finite element analysis. Measured force reactions also showed strong correlation with predicted values. No indications of cracks were discovered during periodic non-destructive inspections. In conclusion, the UIC Code 615-4 test protocol was utilized to successfully demonstrate the strength and durability of a new two-axle passenger locomotive truck frame.