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Methods for plant state data transmission and associated sensing and control devices

A technology for controlling equipment and sensing equipment, which is applied in the field of information transmission and can solve problems such as data transmission overhead

Active Publication Date: 2019-03-15
TCL COMM TECH (CHENGDU) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, whenever a sensor uploads detected state data, it needs to send a scheduling request to the controller, causing significant data transmission overhead and access delay

Method used

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  • Methods for plant state data transmission and associated sensing and control devices
  • Methods for plant state data transmission and associated sensing and control devices
  • Methods for plant state data transmission and associated sensing and control devices

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Embodiment Construction

[0086] In the following description, for the purpose of illustration rather than limitation, specific details such as specific system structure, interface, technology, etc. are proposed for a thorough understanding of this application. However, it should be clear to those skilled in the art that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known devices, circuits, and methods are omitted to avoid unnecessary details from obstructing the description of this application.

[0087] In order to better understand the present application, in the following, the system implementing the method of the present application will be described first.

[0088] See figure 1 , Is a schematic structural diagram of an implementation manner of the network control system of this application. A networked control system (NCS) includes a controlled device 11, a plurality of sensor devices 12, and a control...

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Abstract

Methods, sensing and control devices for plant state data transmission are disclosed. The method includes: measuring, by a sensing device (12), instantaneous state data of a controlled plant (11) (S21); analog-encoding the measured instantaneous state data when determining that a preset transmission condition is satisfied (S22); and transmitting the encoded instantaneous state data directly to a control device (13) that controls the controlled plant (11) over a wireless channel without sending a channel resource scheduling request to the control device (13) (S23). Thus, the data transmission overheads and the access latency can be significantly reduced.

Description

Technical field [0001] This application relates to the field of information transmission technology, in particular to the transmission method of equipment status data, related sensing equipment and control equipment. Background technique [0002] Networked control system (NCS) is a fully distributed, networked real-time feedback control system. A typical NCS basically includes dynamic equipment, multiple sensors, controllers and communication networks. The control loop of the NCS is closed through the communication network. The sensor can detect the current state of the dynamic device and transmit the state data to the controller, so that the controller generates a control command based on the state data, and transmits the control command to the dynamic device, so that the dynamic device can be stabilized. [0003] At present, due to its wide application in industrial automation, intelligent transportation, remote robots, etc., NCS has been warmly welcomed. Current NCS may requi...

Claims

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Application Information

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IPC IPC(8): G05B19/04
CPCG05B19/042H04L5/0048H04W74/08H04W4/70H04L25/022
Inventor 蔡松甫刘坚能刘安
Owner TCL COMM TECH (CHENGDU) LTD
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