Precise cutting control system for offshore oil platform

Abstract

The invention discloses a precise cutting control system for an offshore oil platform, and is on the basis of a structural type of a PC (Personal Computer) and a DSP (Digital Signal Processor) motion control card group. The precise cutting control system for the offshore oil platform mainly comprises a control module for processing processes in the PC, a topological structure setting module, a processing code loading module, a processing parameter setting module, a DSP motion control card internal-communication explanation module, a state and error management module, a parameter managing module, a coordinate system defining module, a cache region management module, a motion control module, a coding module, an interpolation module, a micro interpolation module, an error compensating module, an individual module, and a pulse and error synchronous control module. According to the precise cutting control system for the offshore oil platform, the synchronous control under a condition of multiple shafts, multiple coordinate systems and multi-motion control card conditions can be achieved according to the characteristics of an offshore oil platform steel structure; the topological structure of the control system can be quickly reconstructed according to the mechanical topological configuration, and a processing code can be recycled; and errors of clamping and shape of a workpiece can be corrected, so that the precision on positioning can be ensured, and the requirement on the high dimensional precision ratio can be met.

Description

technical field [0001] The invention relates to the field of a pipe cutting control system, in particular to a multi-geometry intersecting high-efficiency precision cutting control system for an offshore oil platform. Background technique [0002] With the rapid development of marine engineering, internal pipeline manufacturing of ships and submarines, construction of airports and large stadiums, and construction of large bridges, steel structures are increasingly used. The internal overlapping method represents the highest level in the field of steel structure. Offshore oil platforms require high sea conditions, continuous operation under high-span conditions, no escape during 13-level wind and waves, and self-storage of storms under the conditions of their own super-long-span structures. Therefore, the steel structure of offshore oil platforms uses multiple nodes with different geometric shapes such as plates It is a complex structure formed by intersecting metal componen...

AI Technical Summary

Problems solved by technology

When the operator checks the processing code, he cannot intuitively see the position of the processing point in the three-dimensional space Cartesian coordinate system

The second is that the movement in the rectangular coordinate system in the three-dimensional space needs to be fitted by short linear interpolation in the axis space, which not only increases the amount of interpolation data, but also has the problem of fitting error

In addition, this type of control system does not have the function of workpiece installation error and shape error compensation

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