ORIENTATION MEASUREMENT OF AN OBJECT

摘要

There is provided an object orientation measurement system for calculating an estimate of the orientation of an object to which the system can be attached, the system comprising measurement means for taking measurements of a plurality of parametersused in calculating an estimate of the orientation of the object; and processing means for comparing a measurement of at least one of the parameters with a first predetermined value; and calculating an estimate of the orientation of the object using the measurements of the plurality of parameters, wherein the weighting of the measurement of the at least one parameter is adjusted relative to the measurement of at least one other parameter based on the result ofthe comparison.