A process for the prevention of a head impact together in the event of failure of the detection of a servo synchronization signal

摘要

it is a method to prevent the collision of a head with a mechanical materials, if the collection of servosynchronisiersignalen with constant number of failsproposed.the method comprises the following steps of: checking whether a servosynchronisiersignal); checking if the servosynchronisiersignal is not coveredif the number of unregistered servosynchronisiersignale a value set during the spursuche exceed; attitudeif the number of unregistered servosynchronisiersignale exceeds the value set, a servosynchronisiersignalerfassungsfehlerbits,and servosteuerung of the head using a berechnungswertes, a berechnungsalgorithmus is calculated; and parking the headif the operation mode of the head to a absetzbetriebsart changes, while the servosteuerung head is carried out.