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- Annette Muetze, J. Tamminen, J. Ahola
- IEEE Transactions on Industry Applications
- 2010
While the cause-and-effect chains of inverter-induced bearing currents have been well understood today, not much is known about the damage mechanism inside the bearings. Research has suggested that… (More)
- V. Sarkimaki, Risto Tiainen, T. Lindh, J. Ahola
- International Symposium on Power Electronics…
- 2006
The purpose of this work is to determine the applicability of the ZigBee technology to electric motor rotor measurements. Requirements for data transmission, electrical structure and powering of a… (More)
The Self-Organizing Map (SOM) is one of the most popular neural network methods. It is a powerful tool in visualization and analysis of high-dimensional data in various engineering applications. The… (More)
- Antti Pinomaa, J. Ahola, Antti Kosonen, Pekka Nuutinen
- 18th IEEE International Symposium on Power Line…
- 2014
It has been shown that high-frequency (HF) band power line communication (PLC) is a feasible data transmission method for a smart grid concept, namely for a low-voltage direct current (LVDC)… (More)
- Jorma Ilonen, J. -K. Kamarainen, T. Lindh, J. Ahola, Heikki. Kalviainen, J. Partanen
- IEEE Transactions on Industry Applications
- 2005
In the modern industrial environment there is increasing demand for automatic condition monitoring. With reliable condition monitoring, faults such as mechanical motor failures could be identified in… (More)
- Cheick Mohamed Konaté, Antti Kosonen, J. Ahola, M. Machmoum, J.-F. Diouris
- IEEE Transactions on Power Delivery
- 2010
It has been shown that an inverter-fed power line is a feasible medium for the transmission of modulated information. The communication channel includes the feeder cable terminated by two loads: the… (More)
- J. Ahola, Timo Ahonen, +4 authors T. Lindh
- 2008 International Symposium on Power Electronics…
- 2008
Energy harvesting or scavenging from environment is being researched intensively. The main motivation of the research is to develop a maintenance free energy source for ubiquitous electronics, such… (More)
- J. D. Allen, J. Ahola, +5 authors R. A. Hill
- Journal of animal science
- 2009
An experiment was conducted in market dairy cows to determine the effect of feeding time and ractopamine hydrochloride (RAC) on growth performance, carcass characteristics, and end product quality.… (More)
- João B Costa, J. Ahola, Z D Weller, Roseanne Peel, John C. Whittier, Júlio Otavio Jardim Barcellos
- Journal of dairy science
- 2016
The objective of this research was to define and analyze drops in reticulo-rumen temperature (Trr) as an indicator of calving time in Holstein females. Data were collected from 111 primiparous and… (More)
- Juha Vesanto, J. Ahola
- 2002
The Self-Organizing Map (SOM) is an e cient tool for visualization of multidimensional numerical data. One of the tasks it is used for is correlation hunting. In this paper we present a simple method… (More)