摘要 |
The invention relates to an optical guidance system for a laying engine for producing a concrete or asphalt top layer along a given path (6), wherein the laying engine comprises a first unit (1), such as a distributor for distributing the material and a second unit (2), such as a finisher for smoothing the material. The first and second unit are driven independently of each other and may be driven in formation. According to the invention, the optical guidance system comprises at least one transmitter component (3), one receiver component (5) and one computer component (19) for providing control instructions, relating for example to the direction of travel of the first or second unit. The transmitter component (3) is to be provided on the second unit (2) ad designed to emit optical reference beams (4). The receiver component (5) is to be provided on the first unit (1) and comprises several photosensitive receiver regions for detecting the reference beams and is designed to determine at least one incidence point for the reference beams on the receiver components (5). The computer component (19) calculates control instructions for the first and/or second unit using the at last one incident point and provides the same, for example to an operator, by means of a display or direct to a control unit.
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