CN112776613B - Method, system, controller and agricultural machine for improving starting capability of agricultural machine - Google Patents

Method, system, controller and agricultural machine for improving starting capability of agricultural machine Download PDF

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Publication number
CN112776613B
CN112776613B CN202110239835.2A CN202110239835A CN112776613B CN 112776613 B CN112776613 B CN 112776613B CN 202110239835 A CN202110239835 A CN 202110239835A CN 112776613 B CN112776613 B CN 112776613B
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preset
agricultural machine
speed
engine
associated emergency
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CN112776613A (en
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杨拴宝
李庆磊
王洲
郭琴琴
齐文涛
孙立麟
吴连成
王永
袁东阁
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Weichai Lovol Intelligent Agricultural Technology Co Ltd
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Weichai Lovol Heavy Industry Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/2072—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for drive off
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/44—Drive Train control parameters related to combustion engines
    • B60L2240/441—Speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

The invention relates to a method, a system, a controller and agricultural machinery for improving starting capability of the agricultural machinery, wherein when a preset emergency and any preset associated emergency in a preset associated emergency set occur simultaneously according to an operation state of the agricultural machinery in a preset time period, idling of an engine is improved and a preset duration is maintained, on one hand, starting can be realized by improving the rotating speed of the engine of the agricultural machinery, namely improving the idling, so that the agricultural machinery is prevented from flameout, starting capability of the agricultural machinery is greatly improved, on the other hand, the idling of the engine is improved due to automatic control, fatigue strength of a driver is reduced, the rotating speed of the engine is accurately controlled, the situation of fuel economy reduction is avoided, the situation that the agricultural machinery is accelerated suddenly due to improper operation of the driver is also avoided, and driving safety is ensured.

Description

Method, system, controller and agricultural machine for improving starting capability of agricultural machine
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a method, a system, a controller and agricultural machinery for improving starting capability of agricultural machinery.
Background
Agricultural machine generally can carry very big load in the operation process, has under a lot of operating modes, can lead to agricultural machine to reduce engine speed to the idle speed, gets into the idle state promptly, specifically:
1) for example, when a grain bin of a harvesting machine such as a corn/wheat harvester, a peanut harvester and the like is full of grains, the harvesting machine enters an idling state to wait for a grain unloading vehicle, and starts to continue to operate after the grain unloading is finished;
2) for example, when a tractor works in farmland and needs to turn when reaching the ground, the rotating speed of an engine needs to be reduced to an idle speed so as to ensure safe turning, and after the turning is finished, the tractor starts to work with load;
in the above listed working conditions, the engine of the agricultural machine is in an idle state, and when the agricultural machine is started again, the phenomenon that the agricultural machine is started slowly or/and stopped is often caused due to the fact that the idle speed of the engine of the agricultural machine is low.
At present, a driver of agricultural machinery starts by stepping on an accelerator pedal to increase the rotating speed of an engine of the agricultural machinery, and can ensure that the agriculture does not flameout, but on one hand, the operation process is complicated, and the fatigue strength of the driver is increased; on the other hand, the rotation speed of the engine cannot be accurately controlled due to manual operation, so that fuel economy is reduced, and when the operation of a driver is improper, the agricultural machine is accelerated suddenly, so that driving safety is affected.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a method, a system, a controller and agricultural machinery for improving starting capability of the agricultural machinery.
The technical scheme of the method for improving the starting capability of the agricultural machinery is as follows:
acquiring the operating state of the agricultural machine within a preset time period according to the operating parameters of the agricultural machine within the preset time period;
when any preset associated emergency in a preset emergency set and a preset associated emergency set simultaneously occurs according to the running state of the agricultural machine in a preset time period, controlling the idle speed of an engine of the agricultural machine to be increased to a preset rotating speed and maintaining the preset time period;
wherein the preset emergency is: the rate of decrease when the opening degree of the accelerator of the agricultural machine decreases to 0 exceeds a preset opening degree decrease rate.
The method for improving the starting capability of the agricultural machinery has the following beneficial effects:
when the situation that any one of the preset emergency situation and the preset associated emergency situation set simultaneously occurs is judged according to the running state of the agricultural machine in the preset time period, the idle speed of the engine is increased and the preset duration is maintained, on one hand, the agricultural machine can be started by increasing the rotating speed of the engine of the agricultural machine, namely increasing the idle speed, so that the agricultural machine is prevented from flameout, the starting capacity of the agricultural machine is greatly improved, on the other hand, the idle speed of the engine is increased due to automatic control, the fatigue strength of a driver is reduced, the rotating speed of the engine is accurately controlled, the situation that fuel economy is reduced is avoided, the situation that the agricultural machine is accelerated suddenly due to improper operation of the driver is also avoided, and the driving safety is ensured.
On the basis of the scheme, the method for improving the starting capability of the agricultural machine can be further improved as follows.
Further comprising: and controlling the engine of the agricultural machine to return to the normal idling speed when the speed of the agricultural machine and the opening degree of the accelerator are unchanged all the time within the preset time period.
The beneficial effect of adopting the further scheme is that: and within the preset time, when the speed of the agricultural machine and the opening degree of the accelerator are unchanged all the time, controlling the engine of the agricultural machine to recover to the normal idle speed, so that the oil consumption can be reduced in time, and the running cost of the agricultural machine can be reduced.
Further, the preset associated emergency condition set comprises a first preset associated emergency condition and a second preset associated emergency condition;
the first preset associated emergency is: the reduction rate when the speed of the agricultural machine is reduced to 0 exceeds a preset speed reduction rate;
the second preset associated emergency is: the reduction rate of the engine speed of the agricultural machine to the normal idle speed exceeds the preset speed reduction rate.
Further, the preset associated emergency condition set further includes a third preset associated emergency condition, where the third preset associated emergency condition is:
the rate of decrease of the load factor of the engine of the agricultural machine from the first preset load factor to the second preset load factor exceeds the preset load factor decrease rate.
The technical scheme of the system for improving the starting capability of the agricultural machine is as follows:
the device comprises an acquisition module and a judgment control module, wherein the acquisition module is used for: acquiring the operating state of the agricultural machine within a preset time period according to the operating parameters of the agricultural machine within the preset time period;
the judgment control module is used for: when any preset associated emergency in a preset emergency set and a preset associated emergency set simultaneously occurs according to the running state of the agricultural machine in a preset time period, controlling an engine of the agricultural machine to increase to a preset rotating speed and maintain for a preset time; wherein the preset emergency is: the rate of decrease when the opening degree of the accelerator of the agricultural machine decreases to 0 exceeds a preset opening degree decrease rate.
The system for improving the starting capability of the agricultural machine has the following beneficial effects:
when the situation that any one of the preset emergency situation and the preset associated emergency situation set simultaneously occurs is judged according to the running state of the agricultural machine in the preset time period, the idle speed of the engine is increased and the preset duration is maintained, on one hand, the agricultural machine can be started by increasing the rotating speed of the engine of the agricultural machine, namely increasing the idle speed, so that the agricultural machine is prevented from flameout, the starting capacity of the agricultural machine is greatly improved, on the other hand, the idle speed of the engine is increased due to automatic control, the fatigue strength of a driver is reduced, the rotating speed of the engine is accurately controlled, the situation that fuel economy is reduced is avoided, the situation that the agricultural machine is accelerated suddenly due to improper operation of the driver is also avoided, and the driving safety is ensured.
On the basis of the scheme, the system for improving the starting capability of the agricultural machine can be further improved as follows.
Further, the judgment control module is further configured to: and controlling the engine of the agricultural machine to return to the normal idling speed when the speed of the agricultural machine and the opening degree of the accelerator are unchanged all the time within the preset time period.
The beneficial effect of adopting the further scheme is that: and within the preset time, when the speed of the agricultural machine and the opening degree of the accelerator are unchanged all the time, controlling the engine of the agricultural machine to recover to the normal idle speed, so that the oil consumption can be reduced in time, and the running cost of the agricultural machine can be reduced.
Further, the preset associated emergency condition set comprises a first preset associated emergency condition and a second preset associated emergency condition;
the first preset associated emergency is: the reduction rate when the speed of the agricultural machine is reduced to 0 exceeds a preset speed reduction rate;
the second preset associated emergency is: the rate of reduction of the engine speed of the agricultural machine to a normal idle speed exceeds a preset speed reduction rate.
Further, the preset associated emergency set further includes a third preset associated emergency, where the third preset associated emergency is:
the rate of decrease of the load factor of the engine of the agricultural machine from the first preset load factor to the second preset load factor exceeds the preset load factor decrease rate.
The controller comprises a control chip, wherein the control chip is used for executing the method for improving the starting capability of the agricultural machine.
The agricultural machine comprises any one of the controllers.
Drawings
FIG. 1 is a schematic flow chart illustrating a method for improving starting capability of an agricultural machine according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a system for improving starting ability of an agricultural machine according to an embodiment of the present invention;
Detailed Description
As shown in fig. 1, a method for improving starting capability of an agricultural machine according to an embodiment of the present invention includes the following steps:
s1, acquiring the operation state of the agricultural machine in the preset time period according to the operation parameters of the agricultural machine in the preset time period;
s2, when the situation that any one of the preset emergency situation and the preset associated emergency situation set simultaneously occurs is judged according to the running state of the agricultural machine in the preset time period, controlling the idling speed of the engine of the agricultural machine to be increased to the preset rotating speed and maintaining the preset time period;
wherein the preset emergency is: the rate of decrease when the opening degree of the accelerator of the agricultural machine decreases to 0 exceeds a preset opening degree decrease rate.
When the preset emergency and any preset associated emergency in the preset associated emergency set are judged to occur simultaneously according to the running state of the agricultural machine in the preset time period, the idle speed of the engine is increased and the preset duration is maintained, on one hand, the agricultural machine is started by increasing the rotating speed of the engine of the agricultural machine, namely increasing the idle speed, so that the agricultural machine is prevented from flameout, the starting capability of the agricultural machine is greatly improved, on the other hand, the idle speed of the engine is increased due to automatic control, the fatigue strength of a driver is reduced, the rotating speed of the engine is accurately controlled, the situation that the fuel economy is reduced is avoided, the situation that the agricultural machine is accelerated suddenly due to improper operation of the driver is also avoided, and the driving safety is ensured.
The operation parameters comprise the opening degree of an accelerator, the speed of the agricultural machine, the rotating speed of an engine, the load rate of the engine and the like, and specifically:
1) acquiring and according to an accelerator signal of the agricultural machine;
2) acquiring and obtaining the speed of the agricultural machine according to the speed signal of the agricultural machine;
3) obtaining and obtaining the engine speed according to the engine speed signal of the agricultural machine;
4) acquiring and obtaining the load rate of the engine according to the load signal of the agricultural machine;
it can be understood that the agricultural machinery, such as a tractor, a harvester, and the like, obtaining the opening degree of the accelerator, the speed of the agricultural machinery, the engine speed, the load factor of the engine, and the like are conventional functions, and details of the obtaining process are not described again.
The duration of the preset time period, such as 1 minute, 5 minutes, etc., can be set according to actual conditions, and details are not repeated again.
The preset associated emergency condition set comprises a first preset associated emergency condition and a second preset associated emergency condition;
the first preset associated emergency is: the reduction rate at which the speed of the agricultural machine is reduced to 0 exceeds a preset speed reduction rate;
the second preset associated emergency is: the reduction rate of the engine speed of the agricultural machine to the normal idle speed exceeds the preset speed reduction rate.
The preset associated emergency condition set further includes a third preset associated emergency condition, where the third preset associated emergency condition is: the rate of decrease of the load factor of the engine of the agricultural machine from the first preset load factor to the second preset load factor exceeds the preset load factor decrease rate. Specifically, the method comprises the following steps:
1) when a preset emergency and a first preset associated emergency simultaneously occur, for example, in the preset emergency, within a preset time period, a reduction rate of the opening degree of the accelerator from more than 10% to 0 exceeds a preset opening degree reduction rate, for example, the preset time period is 1 minute, the reduction rate of the opening degree of the accelerator from 50% to 0 is reduced by 50% per minute, and when the preset opening degree reduction rate is reduced by 30% per minute, the reduction rate of the opening degree of the accelerator from 0 exceeds the preset opening degree reduction rate, and the preset opening degree reduction rate can be set and adjusted according to actual conditions, which is not described herein;
in a first preset associated emergency situation, when the speed of the agricultural machine is reduced to 0, the reduction rate exceeds a preset speed reduction rate, wherein for understanding the reduction rate when the speed of the agricultural machine is reduced to 0, the description of the reduction rate when the opening degree of the accelerator is reduced from more than 10% to 0 is referred to, and for understanding the reduction rate of the preset speed, the description of the reduction rate of the preset load factor is referred to, which is not described herein again;
the idle speed of the engine of the agricultural machine is controlled to be increased to a predetermined speed and maintained for a predetermined time, the predetermined speed may be set manually according to experience, for example, the predetermined speed is set between 900r/min and 1100r/min, that is, the idle speed of the engine of the agricultural machine is controlled to be increased to a predetermined speed, that is, 900r/min to 1100r/min, and maintained for a predetermined time, the predetermined time may be 1 minute or 3 minutes, and the like, and the setting and the adjustment may be performed according to actual situations, which will not be described herein again.
2) When a preset emergency and a second preset associated emergency simultaneously occur, in the second preset associated emergency, the reduction rate when the speed of the agricultural machine is reduced to 0 exceeds the preset speed reduction rate, wherein the understanding of the reduction rate when the speed of the agricultural machine is reduced to 0 refers to the explanation of the reduction rate when the opening degree of the accelerator is reduced from more than 10% to 0, and the understanding of the reduction rate of the preset speed refers to the explanation of the preset load rate reduction rate, which is not described herein again;
3) when the preset emergency and the third preset associated emergency simultaneously occur, in the third preset associated emergency, the understanding of the reduction rate of the load rate of the engine of the agricultural machine from the first preset load rate to the second preset load rate refers to the explanation of the reduction rate of the opening degree of the accelerator from more than 10% to 0, and the understanding of the reduction rate of the preset load rate refers to the explanation of the reduction rate of the preset load rate, which is not described herein again;
the first preset load rate and the second preset load rate may be adjusted and set according to actual conditions, which is not described herein again.
Preferably, in the above technical solution, the method further comprises: and controlling the engine of the agricultural machine to return to the normal idle speed when the speed of the agricultural machine and the opening degree of the accelerator are unchanged all the time within the preset time period.
And within the preset time, when the speed of the agricultural machine and the opening degree of the accelerator are unchanged all the time, controlling the engine of the agricultural machine to recover to the normal idle speed, so that the oil consumption can be reduced in time, and the running cost of the agricultural machine can be reduced. Wherein, normal idle speed means: the original idle speed of the engine.
According to the method and the device, the idling speed of the engine of the agricultural machine is intelligently improved by judging the preset emergency and the preset associated emergency in the preset associated emergency set through various conditions, and the starting capability of the agricultural machine under the condition of large load is ensured; the idling of the engine is improved for a short time, namely within a preset time period, when the speed of the agricultural machine and the opening degree of an accelerator are unchanged all the time, the engine of the agricultural machine is controlled to be recovered to the normal idling, the starting capability of the agricultural machine is guaranteed, low oil consumption can be guaranteed, the starting flameout situation is reduced, the fatigue strength and the complexity of the operation of a driver are reduced, the hardware configuration of the agricultural machine is not increased, all configurations of the original agricultural machine can be continued, and the cost is low.
In the foregoing embodiments, although the steps are numbered as S1, S2, etc., but only the specific embodiments are given in this application, and those skilled in the art may adjust the execution order of S1, S2, etc. according to the actual situation, which is also within the protection scope of the present invention, and it is understood that some embodiments may include some or all of the above embodiments.
As shown in fig. 2, a system 200 for improving starting capability of an agricultural machine according to an embodiment of the present invention includes an obtaining module 210 and a determining control module 220, where the obtaining module 210 is configured to: acquiring the operating state of the agricultural machine within a preset time period according to the operating parameters of the agricultural machine within the preset time period;
the determination control module 220 is configured to: when any preset associated emergency in a preset emergency set and a preset associated emergency set simultaneously occurs according to the running state of the agricultural machine in a preset time period, controlling an engine of the agricultural machine to increase to a preset rotating speed and maintain for a preset time; wherein the preset emergency is: the rate of decrease when the opening degree of the accelerator of the agricultural machine decreases to 0 exceeds a preset opening degree decrease rate.
When the situation that any one of the preset emergency situation and the preset associated emergency situation set simultaneously occurs is judged according to the running state of the agricultural machine in the preset time period, the idle speed of the engine is increased and the preset duration is maintained, on one hand, the agricultural machine can be started by increasing the rotating speed of the engine of the agricultural machine, namely increasing the idle speed, so that the agricultural machine is prevented from flameout, the starting capacity of the agricultural machine is greatly improved, on the other hand, the idle speed of the engine is increased due to automatic control, the fatigue strength of a driver is reduced, the rotating speed of the engine is accurately controlled, the situation that fuel economy is reduced is avoided, the situation that the agricultural machine is accelerated suddenly due to improper operation of the driver is also avoided, and the driving safety is ensured.
Preferably, in the above technical solution, the judging and controlling module 220 is further configured to: and controlling the engine of the agricultural machine to return to the normal idle speed when the speed of the agricultural machine and the opening degree of the accelerator are unchanged all the time within the preset time period.
And within the preset time, when the speed of the agricultural machine and the opening degree of the accelerator are unchanged all the time, controlling the engine of the agricultural machine to recover to the normal idle speed, so that the oil consumption can be reduced in time, and the running cost of the agricultural machine can be reduced.
Preferably, in the above technical solution, the preset associated emergency set includes a first preset associated emergency and a second preset associated emergency;
the first preset associated emergency is: the reduction rate when the speed of the agricultural machine is reduced to 0 exceeds a preset speed reduction rate;
the second preset associated emergency is: the reduction rate of the engine speed of the agricultural machine to the normal idle speed exceeds the preset speed reduction rate.
Preferably, in the above technical solution, the preset associated emergency set further includes a third preset associated emergency, where the third preset associated emergency is:
the rate of decrease of the load factor of the engine of the agricultural machine from the first preset load factor to the second preset load factor exceeds the preset load factor decrease rate.
For the above steps for implementing the corresponding functions of each parameter and each unit module in the system 200 for improving starting capability of an agricultural machine according to the present invention, reference may be made to each parameter and step in the above embodiment of a method for improving starting capability of an agricultural machine, which are not described herein again.
The controller provided by the embodiment of the invention comprises a control chip, and the control chip is used for executing the method for improving the starting capability of the agricultural machinery.
When the controller judges that any preset emergency situation in a preset emergency situation set and a preset associated emergency situation set simultaneously occurs according to the running state of the agricultural machine in a preset time period, the idle speed of the engine is increased and the preset duration is maintained, on one hand, the agricultural machine can be started by increasing the rotating speed of the engine of the agricultural machine, namely increasing the idle speed, so that the agricultural machine is prevented from flameout, and the starting capability of the agricultural machine is greatly improved.
An agricultural machine of an embodiment of the present invention includes any one of the controllers described above.
As will be appreciated by one skilled in the art, the present invention may be embodied as a system, method or computer program product.
Accordingly, the present disclosure may be embodied in the form of: the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment (including firmware, resident software, micro-code, etc.) or an embodiment combining software and hardware aspects that may all generally be referred to herein as a "circuit," module "or" system. Furthermore, in some embodiments, the invention may also be embodied in the form of a computer program product in one or more computer-readable media having computer-readable program code embodied in the medium.
Any combination of one or more computer-readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium include an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (4)

1. A method of improving the starting ability of an agricultural machine, comprising:
acquiring the operating state of the agricultural machine within a preset time period according to the operating parameters of the agricultural machine within the preset time period;
when any preset associated emergency in a preset emergency set and a preset associated emergency set simultaneously occurs according to the running state of the agricultural machine in a preset time period, controlling the idle speed of an engine of the agricultural machine to be increased to a preset rotating speed and maintaining the preset time period;
wherein the preset emergency is: the reduction rate when the opening degree of the accelerator of the agricultural machine is reduced to 0 exceeds a preset opening degree reduction rate;
further comprising: controlling an engine of the agricultural machine to return to a normal idle speed when the speed of the agricultural machine and the opening degree of an accelerator are unchanged all the time within a preset time period;
the preset associated emergency condition set comprises a first preset associated emergency condition and a second preset associated emergency condition;
the first preset associated emergency is: the reduction rate when the driving speed of the agricultural machine is reduced to 0 exceeds the preset speed reduction rate;
the second preset associated emergency is: the reduction rate of the engine speed of the agricultural machine to the normal idle speed exceeds the preset reduction rate of the engine speed;
the preset associated emergency condition set further includes a third preset associated emergency condition, where the third preset associated emergency condition is:
the rate of decrease of the load factor of the engine of the agricultural machine from the first preset load factor to the second preset load factor exceeds the preset load factor decrease rate.
2. The system for improving the starting capability of the agricultural machinery is characterized by comprising an acquisition module and a judgment control module, wherein the acquisition module is used for: acquiring the operating state of the agricultural machine within a preset time period according to the operating parameters of the agricultural machine within the preset time period;
the judgment control module is used for: when any one of a preset emergency and a preset associated emergency set is judged to simultaneously occur according to the running state of the agricultural machine in a preset time period, controlling the idle speed of the engine of the agricultural machine to be increased to a preset rotating speed and maintaining the preset time period; wherein the preset emergency is: the reduction rate when the opening degree of the accelerator of the agricultural machine is reduced to 0 exceeds a preset opening degree reduction rate;
the judgment control module is further configured to: controlling an engine of the agricultural machine to return to a normal idle speed when the speed of the agricultural machine and the opening degree of an accelerator are unchanged all the time within a preset time period;
the preset associated emergency condition set comprises a first preset associated emergency condition and a second preset associated emergency condition;
the first preset associated emergency is: the reduction rate when the speed of the agricultural machine is reduced to 0 exceeds a preset speed reduction rate;
the second preset associated emergency is: the reduction rate of the engine speed of the agricultural machine to the normal idle speed exceeds the preset reduction rate of the engine speed;
the preset associated emergency condition set further includes a third preset associated emergency condition, where the third preset associated emergency condition is:
the rate of decrease of the load factor of the engine of the agricultural machine from the first preset load factor to the second preset load factor exceeds the preset load factor decrease rate.
3. A controller comprising a control chip, wherein the control chip is configured to perform the method for improving starting capability of an agricultural machine as claimed in claim 1.
4. An agricultural machine comprising the controller of claim 3.
CN202110239835.2A 2021-03-04 2021-03-04 Method, system, controller and agricultural machine for improving starting capability of agricultural machine Active CN112776613B (en)

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