The invention relates to inertial systems for the accumulation and conversion of energy, and can be used as a power unit to drive various machines and vehicles. The relevancy parameter is searched in a category ensemble including a set of categories, where the category ensemble overlies a dataset. Counting of the n additional timer periods T1 to Tn is respectively started when the charging current reaches the n intermediate threshold values S1 to Sn. 9, which corresponds to an isoelectric point of the human hair, and contains from 0. Alternately, a constant erase speed corresponding to a single well memory bank is obtained by matching a well segment having a specific area to a charge pump with reduced drive capacity.