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Signal transfer system for distributing engine position signals to multiple control modules

一种信号传送、控制模块的技术，应用在发动机控制、信号传输系统、电信号传输系统等方向，能够解决信号衰减或削弱、减弱信号以及控制精度等问题

Active Publication Date: 2007-01-10
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Distribution of signals to multiple control modules results in attenuation or attenuation of these signals
As a result, noise and other imperfections can be introduced into these signals, degrading the signal as well as control accuracy

Method used

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  • Signal transfer system for distributing engine position signals to multiple control modules
  • Signal transfer system for distributing engine position signals to multiple control modules
  • Signal transfer system for distributing engine position signals to multiple control modules

Examples

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Embodiment Construction

[0020] The following description of the preferred embodiments is merely exemplary in nature and is in no way intended to limit the invention, its application or uses. For purposes of clarity, the same reference numbers will be used in the drawings to refer to the same elements. As used herein, the term module refers to an application-specific integrated circuit (ASIC), an electronic circuit, a processor (shared, dedicated or grouped) and memory, a combinational logic circuit, that executes one or more software or firmware programs, and / or other suitable components capable of providing the described functionality.

[0021] see now figure 1 , schematically represents the vehicle 10 . The vehicle 10 includes an engine 12 , a transmission 14 and a coupling device 16 . The transmission 14 may be one of a number of types known in the art including, but not limited to: manual, automatic, continuously variable transmission (CVT), or automated manual transmission (AMT). Coupling de...

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Abstract

A signal transmission system for regulating operation of an internal combustion engine includes a shaft rotationally driven within the engine. A sensor is responsive to rotation of the shaft and generates a data signal based on the rotation. A communication bus receives the data signal and generates a replicated data signal based on the signal. A first control module receives the replicated data signal and regulates operation of the vehicle based on the replicated data signal.

Description

technical field [0001] The present invention relates to relaying sensor signals, and more particularly to a signal transmission system for relaying engine position signals. Background technique [0002] A vehicle engine includes a number of components that work together to generate drive torque. These components include, but are not limited to, crankshafts, cylinders, pistons, fuel injection valves and spark plugs. An engine or powertrain control module regulates operation of the engine based on engine operating parameters including, but not limited to, rotational position of the crankshaft and rotational position of the camshaft. [0003] A sensor monitors crankshaft position and generates a crankshaft position data signal based thereon. Another sensor monitors camshaft position and generates a camshaft position data signal based thereon. These signals may be used by various control modules that regulate vehicle operation. Distribution of signals to multiple control mod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C19/00
CPCF02D2041/285F02D41/28F02D41/009
Inventor M·R·格赖姆斯L·P·卡里安
Owner GM GLOBAL TECH OPERATIONS LLC
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