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Method for optimizing performance parameters of electronic control fuel oil engine through add-on ECU

A fuel engine and performance technology, applied in engine control, machine/engine, mechanical equipment, etc., can solve the problems of automobile manufacturers unable to truly meet the differentiated needs of users, deviation of engine performance parameters, and difficulty in achieving, and achieve improvement. The effect of core competitiveness, breaking through technical barriers and optimizing working conditions

Inactive Publication Date: 2017-01-04
广州市富元电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, the following problems in the current traditional electronic control technology make it difficult to realize:
[0003] (1) The parameter calibration work of traditional electronic control technology is organized by the automobile manufacturer, and various regulations and indicators have been strictly tested and verified, and the needs of mass production have been well considered, but personalized parameters cannot be realized. need
[0004] (2) Due to factors such as the use environment, use habits, and the normal distribution of body tolerances, after the car has been used for a period of time, the physical parameters of the engine will have great differences, and the sensor performance in the electronic circuit will also appear within the error range. internal deviation; these factors will lead to a large deviation in the performance parameters of the engine, and there will be deviations inconsistent with the design in terms of environmental protection, economy, power, etc.; this situation can be theoretically solved by recalibration The engine parameters are realized, but in the actual production and operation, due to the constraints of funds, projects, differentiation and discrete, etc., automobile manufacturers cannot carry out actual operations
[0005] (3) At the same time, based on similar problems (2), automobile manufacturers cannot really realize the differentiated needs of users
[0006] (4) Excluding electronic control technology providers and automobile manufacturers, even if there is a third party that can overcome the reasons of capital projects and other aspects to solve the above problems; Barriers have resulted in the inability of a third party to directly calibrate the original electronic control unit (ECU) of the engine technically

Method used

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  • Method for optimizing performance parameters of electronic control fuel oil engine through add-on ECU
  • Method for optimizing performance parameters of electronic control fuel oil engine through add-on ECU

Examples

Experimental program
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Effect test

Embodiment 1

[0032] Such as figure 1 As shown, the method for optimizing the performance parameters of the electronically controlled fuel engine by using an external ECU includes the following steps:

[0033] (1) Install and set up an external ECU between the sensor of the original car and the ECU of the original car;

[0034] The installation and setting steps of the external ECU in step (1) are as follows:

[0035] (11) The external ECU is connected between the sensor of the original car and the ECU of the original car through serial connection;

[0036] (12) Enter the parameter table MAP in the plug-in ECU;

[0037] (13) Enter the logical look-up function F() that matches the parameter table MAP in step (12) into the external ECU.

[0038] (2) Adjust and calculate the input signal of the original vehicle sensor through the external ECU;

[0039] The signal adjustment and calculation formula of the external ECU in step (2) is:

[0040] s' mn =F(s mn ,MAP(m,n,D)),

[0041] Among t...

Embodiment 2

[0061] The specific calculation example is as follows:

[0062] D m＝1 m＝2 m＝3 m＝4 m＝5 m＝6 m＝7 m＝8 m＝9 n＝1 1 1 1 2 2 2 3 3 3 n＝2 1 1 2 2 2 3 3 3 3 n＝3 1 2 2 2 3 3 3 3 4 n＝4 2 2 2 3 3 3 3 4 4 n＝5 2 2 3 3 3 3 4 4 4 n＝6 2 3 3 3 3 4 4 4 4

[0063] Table 1

[0064] C s＝1 s＝2 s＝3 s＝4 s＝5 s＝6 s＝7 s＝8 s＝9 a＝1 C 11 C 12 C 13 C 14 C 15 C 16 C 17 C 18 C 19 a＝2 C 21 C 22 C 23 C 24 C 25 C 26 C 27 C 28 C 29 a＝3 C 31 C 32 C 33 C 34 C 35 C 36 C 37 C 38 C 39 a＝4 C 41 C 42 C 43 C 44 C 45 C 46 C 47 C 48 C 49 a＝5 C 51 C 52 C 53 C 54 C 55 C 56 C 57 C 58 C 59 a＝6 C 61 C 62 C 63 C 64 C 65 C 66 C 67 C 68 C 69

[0065] Table 2

[0066] Let Table 1 be the operation MAP of the external ECU, the function of F() is the arithmetic addition of parameters, an...

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Abstract

The invention discloses a method for optimizing performance parameters of an electronic control fuel oil engine through an add-on ECU. The method includes the following steps that 1, the add-on ECU is installed and arranged between a sensor of an original vehicle and an ECU of the original vehicle; 2, adjustment and operation are carried out on input signals of the sensor of the original vehicle through the add-on ECU; 3, signals obtained after adjustment and operation are output by the add-on ECU to replace output signals of the sensor of the original vehicle and serve as input signals of the ECU of the original vehicle; 4, the ECU of the original vehicle carries out adjustment and operation on the input signals and outputs control signals; 5, a related execution component on the electronic control fuel oil engine receives and executes the control signals of the ECU of the original vehicle. According to the method for optimizing the performance parameters of the electronic control fuel oil engine through the add-on ECU, by additionally arranging the add-on ECU, secondary calibration and optimization of the engine parameters can be achieved without carrying out any adjustment or operation on an original electronic control system, and the limitation of technological barriers of foreign electronic control manufacturers is well broken through.

Description

technical field [0001] The invention belongs to the technical field of engine parameter calibration in vehicle engineering, and specifically refers to a method for optimizing performance parameters of an electronically controlled fuel engine by using an external ECU. Background technique [0002] Modern fuel-fueled engines have all been precisely controlled by electronic control units. Through the precise control of electronic control units, the engines can achieve corresponding performance parameters under various working conditions. The core of this technology mainly includes sensors, logic operations (calibration parameters and strategies), actuators, communication, etc. The application of today's engine electronic control technology is very mature and common, and has become the mainstream means of engine control technology. The calibration parameters and strategy information in the electronic control system directly control the overall index parameters of the engine. Ho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D29/02
CPCF02D29/02
Inventor 邓明华
Owner 广州市富元电子有限公司
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