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Method and apparatus for controlling controlled equipment in motor vehicle

A technology for controlled equipment and motor vehicles, which is applied in digital transmission systems, data exchange networks, electrical components, etc., and can solve the problems of empty byte scanning and redundant bytes

Inactive Publication Date: 2007-01-03
CONTINENTAL HOLDING CHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One problem is: in the data area of ​​a data frame, some bytes may be redundant
Moreover, from a technical point of view, the CAN bus controller also has the problem of empty scanning of some bytes in its data area, but because the CAN bus device is faster, this shortcoming does not have a great impact

Method used

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  • Method and apparatus for controlling controlled equipment in motor vehicle
  • Method and apparatus for controlling controlled equipment in motor vehicle
  • Method and apparatus for controlling controlled equipment in motor vehicle

Examples

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Embodiment Construction

[0055] The present invention can also use LIN protocol components similar to those in the prior art. The difference between the components used when implementing the method of the present invention is mainly reflected in the setting of the data format on the application level. That is, it is possible to figure 1 Apparatus of the prior art shown in , is suitably set up to carry out the method of the present invention. The following focuses on the specific content of the present invention in terms of device execution commands.

[0056] When introducing the method and device of the present invention below, all examples are based on the fact that the redundancy check area is 1 byte, and each byte is 8 bits. It should be emphasized that the methods and apparatus of the present invention are generally not based on this particular particular example.

[0057] image 3 A schematic diagram of a data frame based on the LIN bus protocol in the method of the present invention is shown...

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PUM

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Abstract

A method for controlling controlled-device of motor vehicle includes dividing data region of data frame to be controlled-device command labeled region, public information region and controlled-device command region based on LIN bus protocol, treating bit figure of said labeled region and said information region as fixed figure for set controlled-device and varying bit figure if said command region in real time according to command issued by operator, carrying out scan of said command region only on bit with controlled-device command according to label in said labeled region.

Description

1. Technical field [0001] The present invention relates to a method and device for controlling controlled equipment in a motor vehicle; more specifically, it relates to a method and device for controlling controlled devices such as doors, windows and sunroofs in a motor vehicle. 2. Background technology [0002] In the motor vehicles of the prior art, there are mainly two types of controlled devices managed by the bus, one is the controlled device based on the Local Interconnect Network (LIN) bus, and the other is based on the controller local area network. (controllerarea network, CAN) bus controlled equipment. [0003] The controlled equipment based on the LIN bus adopts the LIN communication protocol. The LIN bus is a low-cost serial communication network that can be used to implement distributed electronic system control in automobiles. A LIN bus in the motor vehicle itself is not only a small network, but also can be connected with the CAN bus to become a device on th...

Claims

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Application Information

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IPC IPC(8): H04L12/403
Inventor 冉平
Owner CONTINENTAL HOLDING CHINA CO LTD
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