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.
As a motor designed for electric vehicles (EVs), the stator-doubly-fed doubly salient (SDFDS) motor has the advantage of regulating the field flux independently and effectively. To satisfy the demands of high efficiency and fast torque response in wide range of velocity for EVs, a loss model based controller (LMC) is used to realize the on-line efficiency optimization and high dynamic response of...
A design of two-phase hybrid stepping motor driver with current closed-loop control based on the PIC mcu has been presented. A microstepping technique has been implemented in order to meet the requirement of constant torque and smooth movement, which adjusts the current in each winding in sinusoidal fashion. Binary and decimal subdivision are achieved by software programming in the PIC microcontroller...
This paper addresses the problem of torque and velocity ripple elimination in AC permanent magnet (PM) motor control systems. The torque ripples caused by DC offsets that are present in the current sensors of the motor driver and the digital-to-analog converters of the motion controller are studied and formulated mathematically. These torque ripples eventually generate velocity ripples at the speed...
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.