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Custom Feedback Solves Real Problems

机译:定制反馈解决了实际问题

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摘要

Programmable custom feedback helps improve the quality of input signals from sensors, as well as protects control-loop algorithms from unwanted feedback and sensor failures. The October 2014 issue of Hydraulics & Pneumatics introduced the concept of preprocessing (custom-combining) of data from multiple sensors to enhance the quality of the feedback. The technique can also protect against bad feedback and sensor failures being processed by a closed-loop control algorithm. This article discusses some real-life examples that benefited from custom feedback processing. IMPROVING ACCURACY AND FAULT TOLERANCE Load cells are often used as feedback devices in applications that implement control mechanisms over force. They have the advantage of ruggedness and simplicity of function, and may be less expensive to incorporate in a system compared to using multiple pressure sensors to measure force. (The difference between the hydraulic-fluid pressure on either side of the piston represents the force that the piston applies to a work piece.)
机译:可编程的定制反馈有助于改善来自传感器的输入信号的质量,并保护控制环算法免受有害反馈和传感器故障的影响。 2014年10月出版的《液压与气动》杂志介绍了对来自多个传感器的数据进行预处理(定制组合)的概念,以提高反馈的质量。该技术还可以防止不良反馈和闭环控制算法处理的传感器故障。本文讨论了一些受益于自定义反馈处理的现实示例。提高精度和容错能力称重传感器通常在实施力控制机制的应用中用作反馈设备。它们具有坚固耐用和功能简单的优势,与使用多个压力传感器测量力相比,将其合并到系统中的成本可能更低。 (活塞两侧的液压压力之差代表了活塞施加到工件上的力。)

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