A Tension Reduction Synchronous Control and Protection Method
A technology of synchronous control and tension control, applied in hoisting devices, clockwork mechanisms, etc., can solve problems such as dragging body slippage, damage, and oscillating dragging equipment, so as to improve working conditions, protect recovery and release devices, and stabilize retraction. The effect of putting homework goals
Active Publication Date: 2021-11-09
THE 715TH RES INST OF CHINA SHIPBUILDING IND CORP
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Problems solved by technology
The so-called synchronous control means that the front-end system and the back-end system must operate synchronously according to the predetermined requirements. If the operation of the front-end device and the rear-end device is inconsistent, it may cause the steel cable connecting the front-end and the back-end to relax or bear tension beyond the design range, directly The consequence is to cause slippage, oscillation of the towing body or damage to the towing equipment
In order to achieve synchronous control, the existing control strategy is the front-end speed following control scheme, that is, let the front end or the rear end be used as the speed reference, and the other device uses the control algorithm to follow the movement. This control strategy is not effective in practice. easy to vibrate
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Embodiment
[0028] Embodiment: As shown in the accompanying drawings, this tension reduction synchronous control and protection method mainly includes a tension reduction system 5, a synchronous control layer 27, a sub-system control layer 28, and a controlled object layer 29. The tension reduction system 5 is mainly composed of a front end The tension reduction system 15, the rear end winch system 7 and the middle cable discharge mechanism 6 constitute, (the goal of the synchronous control of the tension reduction system 5 is to realize the synchronous operation of the winches at the front end and the rear end, and there is no significant speed difference; If there is a large speed difference, the cable tension between the front end and the rear end winch system 7 will increase or decrease sharply. Both the service life and the job task target will have a very adverse effect,) the system design is composed of a synchronous control layer 27, a sub-system control layer 28, and a controlled ...
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The invention discloses a tension reduction synchronous control and protection method, which mainly includes a tension reduction system, a synchronous control layer, a sub-system control layer, and a controlled object layer. The synchronous control layer includes a synchronous control unit, and the sub-system control layer is equipped with a front-end tension reduction speed control unit, a cable discharge control unit, and a back-end tension control unit to respectively control the tension reduction system and cable discharge of the controlled object layer. mechanism, rear end winch system. The present invention can effectively avoid the sharp increase or decrease of the steel cable tension between the front-end and rear-end winch systems, and can effectively improve the working conditions of the front-end and rear-end winch systems, the load distribution in the system, the service life of the steel cables and the accuracy of the operation task target Complete; can smoothly achieve the target of retracting operation, protecting the towed objects and recovering the release device.
Description
technical field [0001] The invention relates to the field of control systems, in particular to a tension reduction synchronous control and protection method. Background technique [0002] Marine engineering machinery is widely used in marine scientific investigations, military equipment, and marine construction projects. The recovery and release device of various loads is the most important equipment in marine engineering machinery. In large-scale marine recovery and release equipment, the system is generally designed as a front-end coordination mode. The front-end device bears the main load force, and the rear-end device mainly stores the retractable steel cables, cables, chains and other connected drag objects and The flexible object of the retractable system. [0003] In a heavy-duty marine retractable device, it is a very important and fundamental requirement to achieve the goal of retractable operation smoothly, protect the towed objects and recover the safety of the ...
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IPC IPC(8): B66D1/48
CPCB66D1/485
Inventor 朱煌庆张庆徐泳董朋鹏林尚飞
Owner THE 715TH RES INST OF CHINA SHIPBUILDING IND CORP