Outdoor construction equipment wireless network control system on basis of private protocol

A technology of wireless network control and private protocol, applied in the field of real-time control wireless network control system

Active Publication Date: 2012-07-11
CHINA RAILWAY ENG MASCH RES & DESIGN INST CO LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, the common wireless LAN products based on IEEE802.11X series standards are difficult to be used in this occasion due to their inherent physical characteristics of line-of-sight transmission

Method used

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  • Outdoor construction equipment wireless network control system on basis of private protocol
  • Outdoor construction equipment wireless network control system on basis of private protocol
  • Outdoor construction equipment wireless network control system on basis of private protocol

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Embodiment Construction

[0048] The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. First introduce the innovation point of the technical solution of the present invention:

[0049] ①Outdoor construction equipment wireless network control system architecture (attached figure 1 ).

[0050] The communication propagation characteristics of the wireless network architecture are very suitable for large-scale mobile construction equipment, especially the joint control between equipment groups. This is because the signal propagation of this system is not limited by the line-of-sight, and the signal can be diffracted without causing propagation obstacles due to occlusion. This feature is very useful.

[0051] The architecture addresses the following three key technologies:

[0052] 1). Timing synchronization between wireless devices and network node controllers.

[0053] The data transmiss...

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Abstract

The invention relates to an outdoor construction equipment wireless network control system on basis of private protocol. The invention creates: 1, a novel real-time control WLAN (Wireless Local Area Network) structure, wherein the signal propagation of the system is not limited by the sighting distance, a signal can be diffracted and the communication barrier cannot be caused due to blocking, and thus, the communication propagation characteristic of the wireless network structure is very suitable for large-scale mobile construction equipment and is particularly suitable for joint control between equipment groups and the characteristic has very high using value; and a private protocol stack for controlling a wireless network in real time on the basis of a carrying and erecting device controller structure, wherein due to the adoption of the private protocol, the efficiency of a monitoring system can be improved and the data processing capacity is improved, the sealing performance of the private protocol is very beneficial to the safety of the system, an invasion approach is limited in a very small range, a designer can unhurriedly adopt corresponding countermeasures and an unsymmetrical bus structure is adopted on a real-time WLAN data link layer.

Description

technical field [0001] The invention relates to a wireless network control system for real-time control, in particular to a wireless network control system for outdoor construction equipment based on a private protocol. Background technique [0002] Modern large-scale construction equipment is becoming more and more complex, and a single equipment contains more and more mechanisms, which has strong mobility; it is more reasonable to use wireless for the connection between equipment information systems. The wireless control scheme shows its advantages in many occasions. [0003] In terms of outdoor construction equipment, especially equipment group network control, wireless control solutions are often the only choice. However, the common wireless LAN products based on IEEE802.11X series standards are difficult to be used in this occasion due to their inherent line-of-sight transmission physical characteristics. [0004] The outdoor construction equipment wireless network co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 容毅李玲叶兢李晓钢张智莹钱尚溢许光邹杰李国军
Owner CHINA RAILWAY ENG MASCH RES & DESIGN INST CO LTD
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