WO2022011940A1 - Method for integrating controller with self-locking function - Google Patents
Method for integrating controller with self-locking function Download PDFInfo
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- WO2022011940A1 WO2022011940A1 PCT/CN2020/134828 CN2020134828W WO2022011940A1 WO 2022011940 A1 WO2022011940 A1 WO 2022011940A1 CN 2020134828 W CN2020134828 W CN 2020134828W WO 2022011940 A1 WO2022011940 A1 WO 2022011940A1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
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- the present invention relates to engine control, and more particularly, to a method for integrating a self-locking function of a controller.
- the controller is a key component of the engine.
- Control strategies such as engine fuel injection, intake and exhaust control, OBD fault calibration, and additional functions are the core competitiveness of the engine.
- the mainstream products on the market are all electronically controlled engines, but there are also a small number of mechanical and ESC-controlled engines. Among them, mechanical and ESC engines cannot achieve self-locking function, while mainstream electronically controlled engines mostly use external assistance. device to achieve self-locking function. From different perspectives, the self-locking function is the most core market competitiveness technology. It plays different roles for different markets, such as: OEMs, supporting factories, leasing markets, etc. When the customer cannot deliver the rent on time, it has the right to Manufacturers can turn on the self-locking function to stop the engine from working.
- the mainstream technical route to realize the self-locking function in the market is to add an auxiliary control system to the electronically controlled engine to achieve the goal of self-locking of the whole machine.
- the self-locking function fails when the auxiliary equipment is removed or fails, and the The functionality is fundamentally guaranteed.
- the auxiliary equipment is developed and installed by external personnel. When the auxiliary equipment is working normally, it needs to monitor and read the basic operating parameters of the engine, so it involves the confidentiality of the engine data. The real usage conditions are kept confidential.
- the technical problem to be solved by the present invention is aimed at the above-mentioned deficiencies of the prior art, and the purpose of the present invention is to provide a method for integrating the self-locking function of the controller with high reliability and good confidentiality.
- the technical scheme of the present invention is: a method for integrating a self-locking function of a controller, comprising:
- the controller receives the self-locking control command, and when the self-locking control command is a locking command, the state of the locking flag is set to the locked state; when the self-locking control command is an unlocking command, the The state of the lock-up flag is set to a non-locked state;
- the controller When the controller receives the signal of disconnecting the key switch, it starts the power-off delay function and saves the state of the lock sign, and the controller is powered off;
- the controller controls engine operation according to the state of the lock-up flag.
- the controller controls the output oil quantity of the engine to be limited to 0, and the engine cannot be started; when the state of the lock flag is In the unlocked state, the controller controls the engine to start normally.
- the controller receives the self-locking control instruction sent by the local computer through a serial port or a bus.
- the controller receives the self-locking control instruction sent by the remote computer through the terminal.
- controller is connected to the terminal through a serial port or a bus.
- the controller needs to receive correct permission information before changing the state of the lock flag.
- the authority information has grades and timeliness.
- the self-locking control command received by the controller is valid; otherwise, it is invalid.
- the present invention Compared with the prior art, the present invention has the following advantages: the present invention sets the lock mark in the controller, when the controller receives the lock command, the lock mark is set to the locked state, and when the unlocking instruction is received When commanded, set the lock flag to the non-lock state, when the key switch is turned off, save the current lock flag state, when the controller is powered on next time, read the saved lock flag state, and the controller according to the
- the state of the lock sign controls the engine to self-lock or unlock;
- the present invention omits the auxiliary equipment, and can avoid the problem of the failure of the self-locking function in the traditional technology when the auxiliary equipment is removed or fails. Supplementary auxiliary equipment monitoring and reading, the confidentiality of engine data is good, and at the same time, the elimination of auxiliary equipment makes the cost of engine self-locking lower.
- Fig. 1 is the control flow chart of the present invention.
- a method for integrating a self-locking function in a controller includes:
- the controller receives the self-locking control command.
- the self-locking control command is a locking command
- the state of the locking flag is set to the locked state
- the self-locking control command is an unlocking command
- the state of the locking flag is set to non-locked state
- the controller When the controller receives the signal of disconnecting the key switch, it starts the power-off delay function and saves the state of the lock sign, and the controller is powered off;
- the controller When the controller is powered on the next time, the controller reads the status of the lock flag saved last time;
- the controller controls the operation of the engine according to the state of the lock flag.
- the controller controls the engine to run according to the state of the lock flag. Specifically: when the state of the lock flag is the lock state, the controller controls the output oil quantity of the engine to be 0, and the engine cannot be started; when the state of the lock flag is not In the locked state, the controller controls the engine to start normally.
- the controller receives the self-locking control command sent by the local computer through the serial port or the bus.
- the local computer is located at the engine manufacturer. It is mainly used by the engine manufacturer to self-lock the factory engine to prevent the engine from being used improperly or illegally started. Starting the engine in an engine starting environment can cause engine damage.
- the controller receives the self-locking control command sent by the remote computer through the terminal, the controller is connected to the terminal through the serial port or the bus, the terminal and the remote computer are connected through the network, the remote computer is located at the engine manufacturer, and the terminal is located at the customer, such as the main engine factory and the supporting factory.
- the terminal can be a mobile terminal, a computer or a mobile phone, which can self-lock the engine of the customer who does not perform the contract, forcing the customer to perform the contract.
- the controller needs to receive the correct permission information before changing the state of the lock sign. Only the authorized manufacturer or customer can turn on the self-locking function to stop the engine, or unlock the engine.
- Permission information has levels and timeliness, that is, different levels of permissions can perform different operations, and the permission information is valid only when it is entered at the valid time.
- the self-locking control command received by the controller is valid; otherwise it is invalid, that is, when the key switch is closed and there is no ignition, the self-locking control command can be sent to the controller to prevent the normal working engine from being affected. .
- the invention omits the auxiliary equipment, and can avoid the problem of the failure of the self-locking function in the traditional technology when the auxiliary equipment is dismantled or malfunctions. Since the basic operating parameters of the engine cannot be monitored and read by the auxiliary equipment, the confidentiality of the engine data is good. At the same time, the elimination of auxiliary equipment makes the cost of self-locking of the engine lower.
- the present invention integrates the self-locking function into the autonomous controller, does not need to add any auxiliary devices, does not need to change the layout and configuration, is simple for customers and OEMs, and has low maintenance cost, and the self-locking function of the present invention does not need to be as required in the traditional technology. To flash the engine data, you only need to power off to save or power on to read the status of the lock mark. This function is simple and can avoid data flashing errors caused by operator misoperation.
Abstract
A method for integrating a controller with a self-locking function, which relates to engine control and solves the current technical problems of poor reliability and poor data confidentiality existing in self-locking performed by an auxiliary device. Said method comprises: providing a locking mark in a controller; receiving a self-locking control instruction, and if the self-locking control instruction is a locking instruction, configuring the state of the locking mark as a locking state; if the self-locking control instruction is an unlocking instruction, configuring the state of the locking mark as an unlocking state; when the controller receives a key switch turning-off signal, enabling a power-off delay function and saving the state of the locking mark; when the controller is powered on next time, the controller reading the state of the locking mark saved last time; and the controller controlling the operation of an engine according to the state of the locking mark. The controller changes and saves the state of the locking mark according to the self-locking control instruction, and performs self-locking or unlocking on the engine according to the state of the locking mark, with high reliability and good confidentiality.
Description
本发明涉及发动机控制，更具体地说，它涉及一种控制器集成自锁功能的方法。The present invention relates to engine control, and more particularly, to a method for integrating a self-locking function of a controller.
控制器是发动机的关键零部件，发动机喷油、进排气的控制、OBD故障标定、附加功能等控制策略都是发动机的核心竞争力。目前市场在售的主流产品均为电控发动机，但是也存在一小部分机械与电调控制的发动机，其中机械和电调发动机是无法实现自锁功能的，而主流电控发动机多采用外接辅助设备来实现自锁功能。从不同角度出发，自锁功能都是最为核心的市场竞争力技术，针对不同的市场它扮演不同的角色，如：主机厂、配套厂、租赁市场等，当客户不能按时交付租金时，拥有权限的厂商可以开启自锁功能使发动机停止工作。The controller is a key component of the engine. Control strategies such as engine fuel injection, intake and exhaust control, OBD fault calibration, and additional functions are the core competitiveness of the engine. At present, the mainstream products on the market are all electronically controlled engines, but there are also a small number of mechanical and ESC-controlled engines. Among them, mechanical and ESC engines cannot achieve self-locking function, while mainstream electronically controlled engines mostly use external assistance. device to achieve self-locking function. From different perspectives, the self-locking function is the most core market competitiveness technology. It plays different roles for different markets, such as: OEMs, supporting factories, leasing markets, etc. When the customer cannot deliver the rent on time, it has the right to Manufacturers can turn on the self-locking function to stop the engine from working.
目前市场为实现自锁功能主流的技术路线是电控发动机外加辅助控制系统来达到整机自锁的目标，然而采用这种配置，当辅助设备被拆掉或故障时自锁功能失效，无法从根本上保证该功能。同时辅助设备是由外部人员开发和安装的，当辅助设备正常工作时其需要监控和读取发动机的基本运行参数，所以就涉及到发动机数据的保密性问题，同时也无法对发动机路谱和客户真实使用工况进行保密。At present, the mainstream technical route to realize the self-locking function in the market is to add an auxiliary control system to the electronically controlled engine to achieve the goal of self-locking of the whole machine. However, with this configuration, the self-locking function fails when the auxiliary equipment is removed or fails, and the The functionality is fundamentally guaranteed. At the same time, the auxiliary equipment is developed and installed by external personnel. When the auxiliary equipment is working normally, it needs to monitor and read the basic operating parameters of the engine, so it involves the confidentiality of the engine data. The real usage conditions are kept confidential.
发明内容SUMMARY OF THE INVENTION
本发明要解决的技术问题是针对现有技术的上述不足，本发明的目的是提供一种可靠性高、保密性好的控制器集成自锁功能的方法。The technical problem to be solved by the present invention is aimed at the above-mentioned deficiencies of the prior art, and the purpose of the present invention is to provide a method for integrating the self-locking function of the controller with high reliability and good confidentiality.
本发明的技术方案是：一种控制器集成自锁功能的方法，包括：The technical scheme of the present invention is: a method for integrating a self-locking function of a controller, comprising:
控制器内设有上锁标志；There is a lock sign in the controller;
所述控制器接收自锁控制指令，当所述自锁控制指令为上锁指令时，将所述上锁标志的状态置为上锁状态；当所述自锁控制指令为解锁指令时，将所述上锁标志的状态置为非上锁状态；The controller receives the self-locking control command, and when the self-locking control command is a locking command, the state of the locking flag is set to the locked state; when the self-locking control command is an unlocking command, the The state of the lock-up flag is set to a non-locked state;
当所述控制器接收到断开钥匙开关信号时，启动断电延迟功能并保存所述上锁标志的状态，所述控制器断电；When the controller receives the signal of disconnecting the key switch, it starts the power-off delay function and saves the state of the lock sign, and the controller is powered off;
当下一次所述控制器上电时，所述控制器读取上一次保存的上锁标志的状态；When the controller is powered on the next time, the controller reads the state of the lock flag saved last time;
所述控制器根据所述上锁标志的状态控制发动机运行。The controller controls engine operation according to the state of the lock-up flag.
作为进一步地改进，当所述上锁标志的状态为上锁状态时，所述控制器控制所述发动机的输出油量限制为0，所述发动机无法起动；当所述上锁标志的状态为非上锁状态时，所述控制器控制所述发动机正常起动。As a further improvement, when the state of the lock flag is the lock state, the controller controls the output oil quantity of the engine to be limited to 0, and the engine cannot be started; when the state of the lock flag is In the unlocked state, the controller controls the engine to start normally.
进一步地，所述控制器通过串口或总线接收本地电脑发送的自锁控制指令。Further, the controller receives the self-locking control instruction sent by the local computer through a serial port or a bus.
进一步地，所述控制器通过终端接收远程电脑发送的自锁控制指令。Further, the controller receives the self-locking control instruction sent by the remote computer through the terminal.
进一步地，所述控制器通过串口或总线连接所述终端。Further, the controller is connected to the terminal through a serial port or a bus.
进一步地，所述控制器在改变所述上锁标志的状态之前需要接收正确的权限信息。Further, the controller needs to receive correct permission information before changing the state of the lock flag.
进一步地，所述权限信息具有等级和时效性。Further, the authority information has grades and timeliness.
进一步地，只有在所述发动机为关闭状态下，所述控制器接收的自锁控制指令有效；否则无效。Further, only when the engine is off, the self-locking control command received by the controller is valid; otherwise, it is invalid.
本发明与现有技术相比，具有的优点为：本发明通过在控制器内设置上锁标志，当控制器接收到上锁指令时，将上锁标志置为上锁状态，当接收到解锁指令时，将上锁标志置为非上锁状态，在断开钥匙开关时，保存当前上锁标志 的状态，在下一次控制器上电时，读取保存的上锁标志的状态，控制器根据上锁标志的状态控制发动机进行自锁或解锁；本发明省去了辅助设备，可以避免传统技术中当辅助设备被拆掉或故障时自锁功能失效的问题，由于发动机的基本运行参数不会补辅助设备监控和读，发动机数据的保密性好，同时，省去辅助设备使得发动机实现自锁的成本更低。Compared with the prior art, the present invention has the following advantages: the present invention sets the lock mark in the controller, when the controller receives the lock command, the lock mark is set to the locked state, and when the unlocking instruction is received When commanded, set the lock flag to the non-lock state, when the key switch is turned off, save the current lock flag state, when the controller is powered on next time, read the saved lock flag state, and the controller according to the The state of the lock sign controls the engine to self-lock or unlock; the present invention omits the auxiliary equipment, and can avoid the problem of the failure of the self-locking function in the traditional technology when the auxiliary equipment is removed or fails. Supplementary auxiliary equipment monitoring and reading, the confidentiality of engine data is good, and at the same time, the elimination of auxiliary equipment makes the cost of engine self-locking lower.
图1为本发明的控制流程图。Fig. 1 is the control flow chart of the present invention.
下面结合附图中的具体实施例对本发明做进一步的说明。The present invention will be further described below with reference to the specific embodiments in the accompanying drawings.
参阅图1，一种控制器集成自锁功能的方法，包括：Referring to Figure 1, a method for integrating a self-locking function in a controller includes:
控制器内设有上锁标志；There is a lock sign in the controller;
控制器接收自锁控制指令，当自锁控制指令为上锁指令时，将上锁标志的状态置为上锁状态；当自锁控制指令为解锁指令时，将上锁标志的状态置为非上锁状态；The controller receives the self-locking control command. When the self-locking control command is a locking command, the state of the locking flag is set to the locked state; when the self-locking control command is an unlocking command, the state of the locking flag is set to non- locked state;
当控制器接收到断开钥匙开关信号时，启动断电延迟功能并保存上锁标志的状态，控制器断电；When the controller receives the signal of disconnecting the key switch, it starts the power-off delay function and saves the state of the lock sign, and the controller is powered off;
当下一次控制器上电时，控制器读取上一次保存的上锁标志的状态；When the controller is powered on the next time, the controller reads the status of the lock flag saved last time;
控制器根据上锁标志的状态控制发动机运行。The controller controls the operation of the engine according to the state of the lock flag.
控制器根据上锁标志的状态控制发动机运行具体为：当上锁标志的状态为上锁状态时，控制器控制发动机的输出油量限制为0，发动机无法起动；当上锁标志的状态为非上锁状态时，控制器控制发动机正常起动。The controller controls the engine to run according to the state of the lock flag. Specifically: when the state of the lock flag is the lock state, the controller controls the output oil quantity of the engine to be 0, and the engine cannot be started; when the state of the lock flag is not In the locked state, the controller controls the engine to start normally.
控制器通过串口或总线接收本地电脑发送的自锁控制指令，本地电脑位于发动机厂商处，主要用于发动机厂商对出厂的发动机进行自锁，防止发动机被 不正当使用或非法起动，如在不能满足发动机起动的环境中起动发动机可以会造成发动机损坏。或者控制器通过终端接收远程电脑发送的自锁控制指令，控制器通过串口或总线连接终端，终端与远程电脑通过网络连接，远程电脑位于发动机厂商处，终端位于客户处，如主机厂、配套厂或租赁市场，终端可以是移动终端、电脑或手机，可以对不履行合约的客户的发动机进行自锁，迫使客户履行合约。The controller receives the self-locking control command sent by the local computer through the serial port or the bus. The local computer is located at the engine manufacturer. It is mainly used by the engine manufacturer to self-lock the factory engine to prevent the engine from being used improperly or illegally started. Starting the engine in an engine starting environment can cause engine damage. Or the controller receives the self-locking control command sent by the remote computer through the terminal, the controller is connected to the terminal through the serial port or the bus, the terminal and the remote computer are connected through the network, the remote computer is located at the engine manufacturer, and the terminal is located at the customer, such as the main engine factory and the supporting factory. Or the rental market, the terminal can be a mobile terminal, a computer or a mobile phone, which can self-lock the engine of the customer who does not perform the contract, forcing the customer to perform the contract.
控制器在改变上锁标志的状态之前需要接收正确的权限信息，只有拥有权限的厂商或客户才可以开启自锁功能使发动机停止工作，或以对发动机解锁。权限信息具有等级和时效性，即不同等级的权限可以进行不同的操作，权限信息在有效时间输入才有效。The controller needs to receive the correct permission information before changing the state of the lock sign. Only the authorized manufacturer or customer can turn on the self-locking function to stop the engine, or unlock the engine. Permission information has levels and timeliness, that is, different levels of permissions can perform different operations, and the permission information is valid only when it is entered at the valid time.
只有在发动机为关闭状态下，控制器接收的自锁控制指令有效；否则无效，即在闭合钥匙开关且没有打火的时候才能给控制器发送自锁控制指令，防止对正常工作的发动机造成影响。Only when the engine is off, the self-locking control command received by the controller is valid; otherwise it is invalid, that is, when the key switch is closed and there is no ignition, the self-locking control command can be sent to the controller to prevent the normal working engine from being affected. .
本发明省去了辅助设备，可以避免传统技术中当辅助设备被拆掉或故障时自锁功能失效的问题，由于发动机的基本运行参数不会补辅助设备监控和读，发动机数据的保密性好，同时，省去辅助设备使得发动机实现自锁的成本更低。本发明将自锁功能集成在自主控制器中，不需增加任何辅助装置，无需改动布置和配置，对于客户和主机厂简单、维护成本低，且本发明的自锁功能无需像传统技术中需要刷写发动机数据，只需断电保存或上电读取上锁标志的状态，该功能既简单又可以避免操作人员误操导致数据刷写错误。The invention omits the auxiliary equipment, and can avoid the problem of the failure of the self-locking function in the traditional technology when the auxiliary equipment is dismantled or malfunctions. Since the basic operating parameters of the engine cannot be monitored and read by the auxiliary equipment, the confidentiality of the engine data is good. At the same time, the elimination of auxiliary equipment makes the cost of self-locking of the engine lower. The present invention integrates the self-locking function into the autonomous controller, does not need to add any auxiliary devices, does not need to change the layout and configuration, is simple for customers and OEMs, and has low maintenance cost, and the self-locking function of the present invention does not need to be as required in the traditional technology. To flash the engine data, you only need to power off to save or power on to read the status of the lock mark. This function is simple and can avoid data flashing errors caused by operator misoperation.
以上仅是本发明的优选实施方式，应当指出对于本领域的技术人员来说，在不脱离本发明结构的前提下，还可以作出若干变形和改进，这些都不会影响本发明实施的效果和专利的实用性。The above are only the preferred embodiments of the present invention, and it should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the effect and effect of the present invention. Utility of Patents.
Claims (8)
- 一种控制器集成自锁功能的方法，其特征在于，包括：A method for integrating a self-locking function of a controller, comprising:控制器内设有上锁标志；There is a lock sign in the controller;所述控制器接收自锁控制指令，当所述自锁控制指令为上锁指令时，将所述上锁标志的状态置为上锁状态；当所述自锁控制指令为解锁指令时，将所述上锁标志的状态置为非上锁状态；The controller receives the self-locking control command, and when the self-locking control command is a locking command, the state of the locking flag is set to the locked state; when the self-locking control command is an unlocking command, the The state of the lock-up flag is set to a non-locked state;当所述控制器接收到断开钥匙开关信号时，启动断电延迟功能并保存所述上锁标志的状态，所述控制器断电；When the controller receives the signal of disconnecting the key switch, it starts the power-off delay function and saves the state of the lock sign, and the controller is powered off;当下一次所述控制器上电时，所述控制器读取上一次保存的上锁标志的状态；When the controller is powered on the next time, the controller reads the state of the lock flag saved last time;所述控制器根据所述上锁标志的状态控制发动机运行。The controller controls engine operation according to the state of the lock-up flag.
- 根据权利要求1所述的一种控制器集成自锁功能的方法，其特征在于，当所述上锁标志的状态为上锁状态时，所述控制器控制所述发动机的输出油量限制为0，所述发动机无法起动；当所述上锁标志的状态为非上锁状态时，所述控制器控制所述发动机正常起动。The method for integrating a self-locking function in a controller according to claim 1, wherein when the state of the lock-up flag is the lock-up state, the controller controls the output oil volume of the engine to be limited to 0, the engine cannot be started; when the state of the lock flag is a non-lock state, the controller controls the engine to start normally.
- 根据权利要求1所述的一种控制器集成自锁功能的方法，其特征在于，所述控制器通过串口或总线接收本地电脑发送的自锁控制指令。The method for integrating a self-locking function of a controller according to claim 1, wherein the controller receives a self-locking control instruction sent by a local computer through a serial port or a bus.
- 根据权利要求1所述的一种控制器集成自锁功能的方法，其特征在于，所述控制器通过终端接收远程电脑发送的自锁控制指令。The method for integrating a self-locking function of a controller according to claim 1, wherein the controller receives a self-locking control instruction sent by a remote computer through a terminal.
- 根据权利要求4所述的一种控制器集成自锁功能的方法，其特征在于，所述控制器通过串口或总线连接所述终端。The method for integrating a self-locking function of a controller according to claim 4, wherein the controller is connected to the terminal through a serial port or a bus.
- 根据权利要求1-5任意一项所述的一种控制器集成自锁功能的方法，其特征在于，所述控制器在改变所述上锁标志的状态之前需要接收正确的权限信息。The method for integrating a self-locking function in a controller according to any one of claims 1 to 5, wherein the controller needs to receive correct permission information before changing the state of the lock flag.
- 根据权利要求6所述的一种控制器集成自锁功能的方法，其特征在于，所述权限信息具有等级和时效性。The method for integrating a self-locking function of a controller according to claim 6, wherein the authority information has a level and a timeliness.
- 根据权利要求1-5、7任意一项所述的一种控制器集成自锁功能的方法，其特征在于，只有在所述发动机为关闭状态下，所述控制器接收的自锁控制指令有效；否则无效。The method for integrating a self-locking function in a controller according to any one of claims 1-5 and 7, wherein the self-locking control command received by the controller is valid only when the engine is in an off state ; otherwise invalid.
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