Abstract
The main distribution frame (MDF) is an important component between the user and the operator that supplies a telecommunication service and is the only layer in the seven-layer communication architecture that is not fully automated. In this paper, a cross-connect method for simulating the rapier picking of a rapier loom (shuttleless loom) is proposed to imitate the shedding and the picking action to achieve quick switching. Using the designed “shedding device” and “picking device”, a model prototype of the automatic optical distribution frame (AODF) was constructed and tested for verification.
Highlights
The main distribution frame (MDF) is an important component between external equipment and the user of a communication network supplied by the operator
Based on the automatic opening of the hand during the cross-connect process, or use of another hand to expand automatic opening of the hand during the cross-connect process, or use of another hand to expand the gap between the fibers, we propose using the cross-connect method of imitating the rapier weft the gap between the fibers, we propose using the cross-connect method of imitating the rapier weft insertion of the rapier loom
AODFreceives receivesthe theremote remote switching command, the shedding mechanisms perform shedding to enlarge the distance between the fibers rapier does thedoes picking the shedding toreceives enlarge the remote distance between the first, fibersthen first, the robot rapier robot the the switching command, thethe shedding mechanisms perform action to remove the fiber from current port and move it to the target port, the shedding mechanism the shedding to enlarge the distance between the rapier does the picking actionaction to remove the fiber from current port the andfibers movefirst, it tothen the target port,robot the shedding closes the shed, returns the completion information
Summary
The main distribution frame (MDF) is an important component between external equipment and the user of a communication network supplied by the operator. Because a large number of optical fibers are used in communication networks, operators are required to offer high-level reliability services to customers, quickly resolve line failures, and reduce the costs of operation and maintenance. Based on the weft insertion device, weaving machines are divided into shuttle looms and shuttleless looms. The design of the actuator is complicated due to the small gap between the fibers in the MDF. We propose a cross-connect method that imitates the rapier loom using rapier picking. We regarded the target patch cord to be connected as a weft and the switching operation as being similar to the weft insertion, and the robot removes the fiber from the current port and moves it along a specific path (like the shed) to the target port. We designed a “shedding device” and a “picking device”, used Petri nets to characterize the workflow of the entire system, and built the virtual prototype and experimental model for verification [29,30,31,32,33,34,35]
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