| 摘要 |
An automatic mirror rotation assembly is provided for a vehicle having a tractor and semi-detached trailer. A control wheel is mounted in a structure connecting to a chassis of the tractor, and is raised into engagement with a lower surface of the trailer. As the vehicle turns, the rotation of the trailer with respect to the tractor is measured by counting rotations or partial rotations of the wheel against the underside surface of the trailer. A corresponding degree of passenger-side rear view mirror is calculated, and a motor automatically rotates the mirror. A mirror position feedback device measures the actual rotation of the mirror and feeds that information back to the assembly. A mirror position correction device automatically adjusts the mirror position when an actual mirror position differs from a desired mirror position.
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