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.
With the rapid development of super-skyscrapers, the elevator driven by permanent magnet linear synchronous motor (PMLSM) is one type of rope-less elevator and is more feasible among the rope-less elevators for actual in the near future. But the edge effect of permanent magnet linear motor results in the vibration of elevator cab. And the high air gaps between primary windings and second windings...
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.