CN109283868B - Method for reissuing slow vehicle and stop instruction of engine - Google Patents
Method for reissuing slow vehicle and stop instruction of engine Download PDFInfo
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- CN109283868B CN109283868B CN201810979413.7A CN201810979413A CN109283868B CN 109283868 B CN109283868 B CN 109283868B CN 201810979413 A CN201810979413 A CN 201810979413A CN 109283868 B CN109283868 B CN 109283868B
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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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention relates to a method for reissuing slow vehicle and stop command of an engine, which reissues slow vehicle and stop command to the engine by means of a comprehensive control computer independent of emission control software, and comprises the steps of starting timing; judging whether a slow vehicle instruction is received within a set time t 0; and judging whether a parking instruction is received or not within the time t1 after the slow vehicle. The method can effectively and reliably avoid the loss of manpower, material resources and financial resources caused by the fact that the engine cannot slow down or stop because the comprehensive control computer does not receive the instruction of slowing down or stopping the engine.
Description
Technical Field
The invention belongs to the technical field of emission control software design, and particularly relates to a method for reissuing engine slow running and stopping instructions.
Background
In the existing unmanned aerial vehicle, the process of transmitting slow vehicles and parking instructions by transmission control software in engine transmission control equipment (namely, a transmission control software hardware platform) is as follows: after the set conditions are met, the launching control software immediately sends a slow vehicle and parking instruction to the unmanned aerial vehicle comprehensive control computer, and the comprehensive control computer forwards the slow vehicle or parking instruction to the engine after receiving the slow vehicle or parking instruction. If the communication line between the emission control equipment and the unmanned aerial vehicle breaks down or other reasons cause the comprehensive control computer not to receive the slow vehicle or stop the instruction, the comprehensive control computer can not forward the instruction, the engine can not stop the slow vehicle or stop the vehicle easily, huge risks are caused, and the loss of manpower and financial resources can be caused.
Therefore, a method for reissuing slow vehicle and stop instruction of the engine is needed, the fault that the engine cannot stop due to the fact that the comprehensive control computer does not receive the slow vehicle or stop instruction is avoided, and the normal stop requirement of the engine is met.
Disclosure of Invention
The purpose of the invention is as follows:
the invention aims to provide a method for reissuing engine slow running and parking instructions, which solves the problem of engine slow running or parking faults of an unmanned aerial vehicle caused by the fact that an integrated control computer cannot receive the instructions, reduces risks and avoids loss.
The technical scheme adopted by the invention is as follows:
a method for reissuing slow vehicle and stop command of an engine is provided, which reissues slow vehicle and stop command to the engine by means of a comprehensive control computer independent of emission control software, and specifically comprises the following steps:
1) when the comprehensive control computer does not receive the instruction A but receives the maximum state instruction of the engine, timing is started;
2) judging whether the comprehensive control computer receives a slow-moving instruction sent by the emission control software within a set time t0, if so, forwarding the slow-moving instruction to the engine by the comprehensive control computer, and executing slow-moving by the engine, and turning to the step 3) for execution; if not, the comprehensive control computer sends a slow vehicle instruction to the engine, and the step 3) is executed;
3) judging whether the comprehensive control computer receives a parking instruction within a time t1 after the slow vehicle, if not, the comprehensive control computer reissues the parking instruction to the engine; if yes, the comprehensive control computer transmits a stop instruction to the engine.
The system is characterized in that the comprehensive control computer is positioned in the unmanned aerial vehicle, receives slow vehicle and parking instructions sent by external emission control equipment, forwards the slow vehicle and parking instructions to the engine, and can independently send the slow vehicle and parking instructions to the engine.
The transmission control device is characterized in that the transmission control device is positioned outside the unmanned aerial vehicle and internally stores transmission control software.
The method is characterized in that the time t0 and the time t1 are determined according to specific performances of the engine.
The invention has the beneficial effects that:
the invention can effectively and reliably avoid the loss of manpower, material resources and financial resources caused by the fact that the engine cannot slow down or stop because the comprehensive control computer does not receive the engine slow down or stop instruction by reissuing the engine slow down and stop instruction.
Drawings
FIG. 1 is a schematic diagram of cross-linking relationship between launch control software and an unmanned aerial vehicle
FIG. 2 is a flow chart of the integrated control computer for reissuing slow vehicles and stopping
Detailed Description
The invention is described in further detail below with reference to the drawings.
As shown in figure 1, the invention supplements a slow vehicle or parking instruction to an engine (4) of an unmanned aerial vehicle (3) by means of a comprehensive control computer (2) independent of a launching control software (1). And the comprehensive control computer (2) comprehensively judges whether an engine slow down or stop instruction needs to be issued or not according to the received related information.
As shown in fig. 2, the method for reissuing the slow-down and stop commands of the engine specifically comprises the following steps:
1) and the comprehensive control computer starts timing when the comprehensive control computer does not receive the instruction A but receives the maximum state instruction of the engine.
2) If a slow moving instruction sent by the emission control software is received within the time t0, the comprehensive control computer transmits the slow moving instruction to the engine, and the engine executes slow moving. And if the comprehensive control computer does not receive the stop command within t1 after the slow vehicle, the comprehensive control computer reissues the stop command to the engine.
3) And if the comprehensive control computer in t0 does not receive the slow vehicle instruction, the comprehensive control computer reissues the slow vehicle instruction. And if the comprehensive control computer does not receive the stop instruction within t1 time after the slow vehicle, the comprehensive control computer reissues the stop instruction to the engine. If the comprehensive control computer receives the stop command within t1 after the slow vehicle, the comprehensive control computer forwards the stop command to the engine.
Claims (4)
1. A method for reissuing slow vehicle and stop command of an engine is provided, which reissues slow vehicle and stop command to the engine by means of a comprehensive control computer independent of emission control software, and specifically comprises the following steps:
1) when the comprehensive control computer does not receive the instruction A but receives the maximum state instruction of the engine, timing is started;
2) judging whether the comprehensive control computer receives a slow-moving instruction sent by the emission control software within a set time t0, if so, forwarding the slow-moving instruction to the engine by the comprehensive control computer, and executing slow-moving by the engine, and turning to the step 3) for execution; if not, the comprehensive control computer sends a slow vehicle instruction to the engine, and the step 3) is executed;
3) judging whether the comprehensive control computer receives a parking instruction within a period of time t1 after the slow vehicle, if not, the comprehensive control computer reissues the parking instruction to the engine; if yes, the comprehensive control computer transmits a stop instruction to the engine.
2. The method of claim 1, wherein the integrated control computer is located in the unmanned aerial vehicle, receives the slow vehicle and stop command from the external transmitting control device, forwards the slow vehicle and stop command to the engine, and independently sends the slow vehicle and stop command to the engine.
3. The method of claim 2, wherein the transmission control device is located off-board the drone and stores transmission control software internally.
4. The method of claim 3, wherein the times t0 and t1 are determined based on specific engine performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979413.7A CN109283868B (en) | 2018-08-24 | 2018-08-24 | Method for reissuing slow vehicle and stop instruction of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810979413.7A CN109283868B (en) | 2018-08-24 | 2018-08-24 | Method for reissuing slow vehicle and stop instruction of engine |
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| Publication Number | Publication Date |
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| CN109283868A CN109283868A (en) | 2019-01-29 |
| CN109283868B true CN109283868B (en) | 2020-11-24 |
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| CN201810979413.7A Active CN109283868B (en) | 2018-08-24 | 2018-08-24 | Method for reissuing slow vehicle and stop instruction of engine |
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| CN109283868A (en) | 2019-01-29 |
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