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Control system for electric traction driveLehtla, Madis; Laugis, JuhanBEC 2004 : proceedings of the 9th Biennial Baltic Electronics Conference : October 3-6, 2004, Tallinn, Estonia2004 / p. 331-332 : ill

Development and research of the traction asynchronous multimotor drive = Mitme asünkroonmootoriga veoajami arendamine ja uurimineBoiko, Vitali; Laugis, Juhan2008 http://www.ester.ee/record=b2373654*est

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Energiatõhususe hindamise ja energiasalvestite arvutuse metoodika linna elektertranspordileHõimoja, Hardi2009 https://www.ester.ee/record=b2559283*est

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Microprocessor control systems of light rail vehicle traction drivesLehtla, Madis2006 https://www.ester.ee/record=b2170586*est

The control of operation modes in a traction driveLehtla, Madis; Joller, JüriThe 4th Research Symposium of Young Scientists : Actual Problems of Electrical Drives and Industry Automation : Tallinn, Estonia, May 17-21, 20032003 / p. 77-82 : ill