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Blood, Sweat, and Tears: The Rise and Decline of the East German Economy, 1949–1988 / Blut, Schweiß, Tränen: Aufstieg und Niedergang der ostdeutschen Wirtschaft, 1949–1988

Blum, Ulrich; Dudley, Leonard - In: Jahrbücher für Nationalökonomie und Statistik 220 (2000) 4, pp. 438-452

Summary The rise of the East-German economy in the 1950s and 1960s and its decline in the 1970s and 1980s is difficult to explain by neoclassical economics. However; the observed life cycle may be explained by the inclusion of concepts from old and new institutional economics and from functional...

Persistent link: https://www.econbiz.de/10014608780

Optimization of Small Wind Turbines using Genetic Algorithms

Hamdan, Mohammad; Abderrazzaq, Mohammad Hassan - In: International Journal of Applied Metaheuristic … 7 (2016) 4, pp. 50-65

This paper presents a detailed optimization analysis of tower height and rotor diameter for a wide range of small wind turbines using Genetic Algorithm (GA). In comparison with classical, calculus-based optimization techniques, the GA approach is known by its reasonable flexibilities and...

Persistent link: https://www.econbiz.de/10012042938

Wind Turbine Remote Maintenance With Wearable Technologies

Ünal, Buket Celik; Ünal, Onur - In: International Journal of Green Computing (IJGC) 8 (2017) 1, pp. 36-54

This article describes how the renewable energy sector is increasing in size and wind turbine technology has improved. With the development of internet technology maintenance efficiency has improved. Maintenance is a core activity of the production life cycle since it accounts for 60 to 70% of...

Persistent link: https://www.econbiz.de/10012044933

Robust visual-inertial odometry with point and line features for blade inspection UAV

Ma, Yufei; Wang, Shuangxin; Yu, Dingli; Zhu, Kaihua - In: Industrial Robot: the international journal of robotics … 48 (2021) 2, pp. 179-188

Purpose This paper aims to enable the unmanned aerial vehicles to inspect the surface condition of wind turbine in close range when the global positioning system signal is not reliable, and further improve its intelligence. So a visual-inertial odometry with point and line features is developed....

Persistent link: https://www.econbiz.de/10014835345

Enhancement of low voltage ride-through ability of the photovoltaic array aided by the MPPT algorithm connected with wind turbine

Madan, Charanjeet; Kumar, Naresh - In: Data Technologies and Applications 54 (2020) 4, pp. 503-527

Purpose By means of the massive environmental and financial reimbursements, wind turbine (WT) has turned out to be a satisfactory substitute for the production of electricity by nuclear or fossil power plants. Numerous research studies are nowadays concerning the scheme to develop the...

Persistent link: https://www.econbiz.de/10014712749

First Lean, then modularization: improving the maintenance of offshore wind turbines

Petersen, Kristian R.; Madsen, Erik Skov; Bilberg, Arne - In: International Journal of Energy Sector Management 10 (2016) 2, pp. 221-244

Purpose This paper aims to explore how maintenance tasks can be planned and executed in a smarter way and, consequently, how the operations and maintenance of offshore wind power installations can be improved through modularisation. Design/methodology/approach This is a case study of one of...

Persistent link: https://www.econbiz.de/10014773769

Stochastic modelling of a wind electric generating power plant

Goyal, Nupur; Ram, Mangey - In: International Journal of Quality & Reliability Management 34 (2017) 1, pp. 103-127

Purpose The purpose of this paper is to analyse the performance of a wind electric generating power plant through the study of reliability measures. The enhancement of the performance of the wind power plant using various approaches is also an objective of this paper. Design/methodology/approach...

Persistent link: https://www.econbiz.de/10014802097

Building Mounted Wind Turbines on Existing Multi-Storey Housing

Sharpe, Tim - In: Open House International 33 (2008) 3, pp. 60-69

One of the most significant challenges facing contemporary architectural and urban design is how it can become more sustainable. Energy consumption by housing is a major source of greenhouse gas emissions and a cause of depletion of non-renewable energy sources. Of particular concern is existing...

Persistent link: https://www.econbiz.de/10014964755

Prevention in context: classroom heterogeneity as a moderator of PATHS' effectiveness

Chauveron, Lisa; Perkins, Daniel - In: Journal of Children's Services 4 (2009) 1, pp. 44-59

' neighbourhood socio‐economic status (SES), students' neighbourhood education level and students' neighbourhood immigrant status …

Persistent link: https://www.econbiz.de/10014852557

Ethnic concentration and economic outcomes of natives and second-generation immigrants

Neuman, Emma - In: International Journal of Manpower 37 (2016) 1, pp. 157-187

Purpose – The purpose of this paper is to investigate the link between childhood neighbourhood ethnic composition and … between three ethnic neighbourhood variables(share of immigrants, share of immigrants with the same ethnic background and … be negatively correlated with the neighbourhood share of co-ethnics and positively correlated with the neighbourhood …

Persistent link: https://www.econbiz.de/10014784515

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