阅读说明：本技术 一种基于云计算和sm2加密的发动机远程自动标定方法 (Engine remote automatic calibration method based on cloud computing and SM2 encryption ) 是由 曹兴磊 张国磊 于 2020-06-11 设计创作，主要内容包括：本发明提供一种基于云计算和SM2加密的发动机远程自动标定方法,包括发动机台架、云平台、测控设备、发动机和加密模块；发动机台架,安装发动机和测控设备,所述测控设备采集和下达指令至发动机；云平台,搭载数据计算模块和数据判断模块；发动机台架和云平台之间通过设置有加密模块的数据传输模块进行数据通讯,接收发动机台架输出的数据信号并通过数据计算模块和数据判断模块获得标定数据和测控数据并传输至发动机台架；加密模块,采用SM2硬件加密。本发明基于云计算和SM2硬件加密的方法进行数据传输,实现发动机的自动标定,解决现有标定方法中的对工程师及工程师经验依赖性强、标定效率低、发动机台架、监控设备等使用效率低等问题。(The invention provides an engine remote automatic calibration method based on cloud computing and SM2 encryption, which comprises an engine rack, a cloud platform, a measurement and control device, an engine and an encryption module, wherein the engine rack is used for carrying out remote automatic calibration on the engine rack; the engine pedestal is provided with an engine and a measurement and control device, and the measurement and control device acquires and sends instructions to the engine; the cloud platform carries a data calculation module and a data judgment module; the engine rack and the cloud platform are in data communication through a data transmission module provided with an encryption module, receive data signals output by the engine rack, obtain calibration data and measurement and control data through a data calculation module and a data judgment module and transmit the calibration data and the measurement and control data to the engine rack; and the encryption module adopts SM2 hardware encryption. The method for calibrating the engine based on the cloud computing and SM2 hardware encryption carries out data transmission, achieves automatic calibration of the engine, and solves the problems that an existing calibration method is high in dependence on experience of engineers and engineers, low in calibration efficiency, low in use efficiency of engine racks, monitoring equipment and the like.)

1. A remote automatic calibration method of an engine based on cloud computing and SM2 encryption is characterized by comprising an engine rack, a cloud platform, a measurement and control device, an engine and an encryption module;

the engine pedestal is provided with an engine and a measurement and control device, and the measurement and control device acquires and sends instructions to the engine;

the cloud platform carries a data calculation module and a data judgment module;

the engine rack and the cloud platform are in data communication through a data transmission module provided with an encryption module, receive data signals output by the engine rack, obtain calibration data and measurement and control data through a data calculation module and a data judgment module and transmit the calibration data and the measurement and control data to the engine rack; and the encryption module adopts SM2 hardware encryption.

2. The cloud computing and SM2 encryption based remote automatic calibration method for engines according to claim 1, wherein: and the measurement and control equipment is used for testing the running state of the engine and the external atmospheric pressure parameters.

3. The cloud computing and SM2 encryption based remote automatic calibration method for engines according to claim 2, wherein: and data sent to the engine pedestal by the cloud platform are also protected by the encryption module.

4. The cloud computing and SM2 encryption based remote automatic calibration method for engines according to claim 3, wherein: and the engine rack realizes automatic calibration, measurement and control adjustment after receiving the related data.

5. The cloud computing and SM2 encryption based remote automatic calibration method for engines according to claim 4, wherein: and after receiving the data, the cloud platform performs automatic calculation and analysis according to the existing database, and calculates variables and parameter values to be calibrated and adjustment values to be applied to the measurement and control equipment according to the judgment of the data.

Technical Field

The invention mainly relates to the field of automotive electronics, in particular to an engine remote automatic calibration method based on cloud computing and SM2 encryption.

Background

The calibration of the engine in China currently comprises the steps that the engine is arranged on an engine bench and connected with corresponding test equipment, after the equipment is calibrated, one or more calibration engineers are required to monitor the operation data of the engine in the calibration of the engine bench, relevant engine parameters are modified according to relevant experience and existing knowledge to carry out calibration, and then the operation data and the parameter modification are observed again until the operation reaches the expected target.

The existing engine calibration method needs an engineer and a tester to monitor in real time and calibrate and modify according to experience, has high requirements on the experience of the engineer, high labor cost and low calibration efficiency, can achieve the expected operation target only by repeatedly modifying parameters according to experience knowledge, and causes the problems of low use efficiency of engine racks, monitoring equipment and the like, unnecessary consumption of fuel oil and the like.

The published Chinese invention patent, application number CN201610969187.5, patent name: the utility model provides an interconnected vehicle control unit of electric motor car intelligence, application date: 2016-11-06, the invention relates to an intelligent interconnected vehicle controller for electric vehicles, which comprises a vehicle controller, a vehicle-mounted interconnection function and a background server system, wherein the vehicle controller hardware comprises a power supply circuit, a switching value acquisition circuit, an analog value acquisition circuit, a storage function circuit, a power output circuit, a MCU1 minimum control system circuit and a CAN bus circuit; the vehicle-mounted intelligent terminal device integrates a WiFi module, a BLE module, a 4G module, a GNSS function and a storage function, and is additionally provided with an independent MCU2 controller and a CAN bus circuit. The invention aims to combine the functions of the vehicle control unit and the vehicle-mounted intelligent terminal equipment, realize wireless information interaction and remote information interaction, realize near-field wireless fault diagnosis, state feedback, parameter calibration and program upgrade, and realize remote fault diagnosis, state feedback, parameter calibration, program upgrade and equipment positioning.

Disclosure of Invention

The invention provides an engine remote automatic calibration method based on cloud computing and SM2 encryption, and aims at the defects in the prior art, the engine remote automatic calibration method based on cloud computing and SM2 encryption is provided, and comprises an engine rack, a cloud platform, a measurement and control device, an engine and an encryption module;

the engine pedestal is provided with an engine and a measurement and control device, and the measurement and control device acquires and sends instructions to the engine;

the cloud platform carries a data calculation module and a data judgment module;

the engine rack and the cloud platform are in data communication through a data transmission module provided with an encryption module, receive data signals output by the engine rack, obtain calibration data and measurement and control data through a data calculation module and a data judgment module and transmit the calibration data and the measurement and control data to the engine rack;

and the encryption module adopts SM2 hardware encryption.

Preferably, the measurement and control equipment tests the running state of the engine and the external atmospheric pressure parameters.

Preferably, the data sent by the cloud platform to the engine pedestal is also subjected to data protection through the encryption module.

Preferably, the engine rack receives the relevant data and then realizes automatic calibration, measurement and control adjustment.

Preferably, after receiving the data, the cloud platform performs automatic calculation and analysis according to the existing database, and calculates variables and parameter values to be calibrated and adjustment values to be applied to the measurement and control equipment according to the judgment of the data.

The invention has the beneficial effects that: the method based on cloud computing and SM2 hardware encryption is used for data transmission, automatic calibration of the engine is achieved, and the problems that an existing calibration method is high in dependence on experience of engineers and engineers, low in calibration efficiency, low in use efficiency of engine racks, monitoring equipment and the like are solved.

Drawings

FIG. 1 is a block diagram of the present invention;

Detailed Description

As shown in fig. 1, the present invention includes: the system comprises an engine rack, a cloud platform, a measurement and control device, an engine and an encryption module;

the engine pedestal is provided with an engine and a measurement and control device, and the measurement and control device acquires and sends instructions to the engine;

the cloud platform carries a data calculation module and a data judgment module;

the engine rack and the cloud platform are in data communication through a data transmission module provided with an encryption module, receive data signals output by the engine rack, obtain calibration data and measurement and control data through a data calculation module and a data judgment module and transmit the calibration data and the measurement and control data to the engine rack;

and the encryption module adopts SM2 hardware encryption.

In use, a remote encryption automatic calibration method is adopted, so that the dependence on engineers in the engine calibration process is reduced, the labor cost is reduced, the calibration efficiency can be improved, the use efficiency of racks, monitoring equipment and the like is improved, the cost is reduced, the cloud computing is added to improve the intellectualization of calibration, and an SM2 hardware encryption algorithm is used in the data transmission process, so that the possibility that data is intercepted, cracked and modified in the transmission process is prevented; the problems that an existing calibration method is high in dependence on experience of engineers and engineers, low in calibration efficiency, low in service efficiency of engine racks, monitoring equipment and the like are solved.

In this embodiment, the measurement and control device preferably tests the operating state of the engine and the external atmospheric pressure parameter.

The data of the external atmospheric pressure parameters of the data of the engine running state are transmitted to a manufacturer platform, so that a basis is provided for later-stage engineers to analyze the data.

In this implementation, it is preferable that the data sent by the cloud platform to the engine mount is also protected by the encryption module.

By the aid of the structure, data uploaded and transmitted are encrypted through the encryption module, data are protected, data leakage is avoided, and data safety is protected.

In the implementation, the engine rack preferably realizes automatic calibration, measurement and control adjustment after receiving the related data.

Set up above-mentioned structure, realize long-range demarcation to frame engine, it is efficient, break away from the condition of relying on the engineer, alleviate the producer and mark the engineer manpower not enough, reduce the human cost scheduling problem.

In this implementation, it is preferable that the cloud platform performs automatic calculation and analysis according to an existing database after receiving the data, and calculates variables and parameter values to be calibrated and adjustment values to be applied to the measurement and control device according to the judgment of the data.

By the aid of the structure, data can be accurately analyzed, and accurate regulation and control of the measurement and control equipment and the engine are achieved.

In use, the specific operation flow is as follows:

1. the engine runs on the rack according to the working condition required by calibration, and the measurement and control equipment tests the running state of the engine and the parameters such as the external atmospheric pressure;

2. encrypting engine operation data and measurement data of the measurement and control equipment by SM2, and uploading the encrypted data to a cloud platform through TCP;

3. after receiving the data, the cloud platform performs automatic calculation and analysis according to the existing database, and calculates variables and parameter values to be calibrated and adjustment values to be applied to the measurement and control equipment according to the judgment of the data;

4. and the cloud platform encrypts the next calibrated data and the monitoring equipment adjustment value by the SM2 and then sends the encrypted data and the encrypted monitoring equipment adjustment value to the engine rack, so that automatic calibration, measurement and control adjustment are realized.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.