The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Back emf harmonics of a PM synchronous motor is one of the major sources of the torque ripples. This paper presents the torque ripple reduction method for an interior PM synchronous motor that has back emf harmonics. To reduce the torque ripples due to the back emf harmonics, the harmonics of the back emf are analyzed through FFT analysis. The compensation dq currents to cancel the torque ripples...
The back emf harmonics of a PM synchronous motor is the main source of the torque ripples. The torque ripples make the mechanical vibration at low speeds and the acoustic noise at high speeds. The feed-forward harmonic currents compensation may reduce the torque ripples at low speeds, but the torque ripples at high speeds can't be reduced due to the limited bandwidth of the current controller. In...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.