Method and device for the cyclic digital transfer of a position value of a moving object having inertial mass

A method for the digital transfer of a position value of a movable object having inertial mass, comprising:

• (a) measuring, at a first time, a first angular position value of the movable object, the first position value including a first partial angular value within a partial angular range, a first subangular value within a subangular value range, and a first fine angular value within a fine angular range, each partial angle range including a predetermined number of subangular values, each subangular range including a predetermined number of fine angular values;
• (b) calculating an estimated second angular position value, at a second time, based on the first angular position value and a first angular velocity of the movable object over a time period between the first time and the second time, the estimated second angular position value including an estimated second partial angular value, an estimated second subangular value, and an estimated second fine angular value;
• (c) measuring, at the second time, a second subangular value of the movable object and a second fine angular value of the movable object without measuring a partial angular value of the movable object at the second time;
• (d) deriving two possible second angular position values, each possible second angular position value including the measured second subangular value and the measured second fine angular value and different partial angular values;
• and
• (e) determining a single one of the two possible second angular position values as an actual second angular position value based on a maximum change of angular velocity of the movable object within the time period between the first time and the second time.

A system, comprising:

• a control unit;
• and
• a movable object having inertial mass;
• wherein the control unit is adapted to perform a method for the digital transfer of a position value of the movable object, the method including:
• (a) measuring, at a first time, a first angular position value of the movable object, the first position value including a first partial angular value within a partial angular range, a first subangular value within a subangular value range, and a first fine angular value within a fine angular range, each partial angle range including a predetermined number of subangular values, each subangular range including a predetermined number of fine angular values;
• (b) calculating an estimated second angular position value, at a second time, based on the first angular position value and a first angular velocity of the movable object over a time period between the first time and the second time, the estimated second angular position value including an estimated second partial angular value, an estimated second subangular value, and an estimated second fine angular value;
• (c) measuring, at the second time, a second subangular value of the movable object and a second fine angular value of the movable object without measuring a partial angular value of the movable object at the second time;
• (d) deriving two possible second angular position values, each possible second angular position value including the measured second subangular value and the measured second fine angular value and different partial angular values;
• and
• (e) determining a single one of the two possible second angular position values as an actual second angular position value based on a maximum change of angular velocity of the movable object within the time period between the first time and the second time.