Design method for embedded generic node with remote service function

A general-purpose node and remote service technology, applied in general control systems, program control, computer control, etc., can solve the problems of large and complex communication protocols and occupy a large field space, achieve strong anti-interference ability, small memory footprint, and simplify applications The effect of the software

Inactive Publication Date: 2012-10-03
UNIV OF SHANGHAI FOR SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the general server is too large and occupies a large amount of field space, and the communication protocol is too large and complex, not all protocol contents are necessary for field devices

Method used

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  • Design method for embedded generic node with remote service function
  • Design method for embedded generic node with remote service function
  • Design method for embedded generic node with remote service function

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0027] Schematic diagram of the structure of embedded general node 1 with remote service function, such as figure 1 As shown, the interior contains two function modules, the CAN function module 10 and the embedded function module 11, and the exterior has four node interfaces, which are link interface (LIF) 2, technology independent control interface (TII) 3, local interface 4, technology Depends on Debugging Interface (TDI)5. Communication method between CAN functional module 10 and bus 6: CAN functional module 10 sends periodic data to the bus through the link interface 2 of the node. After other nodes receive the data frame, they use it as a reference frame and start a timer synchronously. If there is event-triggered data that needs to be sent within the basic cycle, then the data is sent, and if there is data that needs to be sent at other times within the basic cycle, it needs to wait until the next cycle.

[0028]The node's interface, Link Interface (LIF) 2, provides spe...

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Abstract

The invention relates to a design method for an embedded generic node with a remote service function. The embedded generic node comprises a CAN (Controller Area Network) functional module and an embedded functional module; the outside embedded generic node comprises four node interfaces, which are respectively a link interface (LIF), a technology independent control interface (TII), a technique dependence debugging interface (TDI) and a local interface link interface (LIF), wherein the LIF and the TDI are used during normal operation period of the node; the TII and the TDI both are control interfaces and used for controlling, monitoring or debugging the node to achieve data acquisition and the functions of process, supervision, control, diagnosis and the like of the strong real-time distributed CAN bus control system. By adopting the design method for the embedded generic node with the remote service function provided by the invention, the site acquisition speed of service data is improved, the application software is simplified, and the integral complexity of the node is reduced; and the designed node occupies small internal memory, and has quick speed, high reliability and good stability.

Description

technical field [0001] The invention relates to a remote service technology node design, in particular to a distributed strong real-time bus control system for remote service embedded general node design method. Background technique [0002] Computer network technology and automation control technology are two classic technical theories in today's world. It is generally believed that automation control technology mainly processes the information obtained by field sensors through the field bus to control the actions of field actuators. Generally, specialized automatic control experts or teams need to work on site, while computer network technology is Realized the resource sharing of all computers connected to the Internet. With the development of science and technology, a technology in life and production - monitoring technology is also developing rapidly. Monitoring technology refers to the use of computers to realize the detection, supervision and control functions of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/40G05B19/042
CPCY02P90/02
Inventor 张凤登张晓霞陈悫
Owner UNIV OF SHANGHAI FOR SCI & TECH
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