In PowerShell there are several methods available to created mapped drives, one of these is by using the MapNetworkDrive method of Wscript.Network COM object. A tip on how to map a drive using this method which also includes how to remove the mapped folder is available on PowerShell Magazine:

http://www.powershellmagazine.com/2014/07/21/pstip-create-mapped-network-drive-using-wscript-network/

This article and many other articles I have written for other websites are available in the External Articles section of this blog.