DETERMINING WHEN TO INITIATE AN ACCESS CONTROL PROCEDURE

摘要

It is provided a method for determining when to initiate an access control procedure of a portable key device for unlocking a lock controlling access to a physical space. The method being performed in an access control device connected to the lock. The method comprised the steps of: repeatedly determining a position of the portable key device in relation to the lock; repeatedly calculating a direction of movement based on determined positions; determining when there is intent to open the lock based on the direction of movement; and initiating an access control procedure when intent to open the lock is determined