CN113212411A - Coordinated control method and device for transmission power takeoff and transfer case power takeoff - Google Patents

Coordinated control method and device for transmission power takeoff and transfer case power takeoff Download PDF

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Publication number
CN113212411A
CN113212411A CN202110594134.0A CN202110594134A CN113212411A CN 113212411 A CN113212411 A CN 113212411A CN 202110594134 A CN202110594134 A CN 202110594134A CN 113212411 A CN113212411 A CN 113212411A
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China
Prior art keywords
transmission
controller
power takeoff
power
transfer case
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CN202110594134.0A
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CN113212411B (en
Inventor
宋晓飞
张鑫
李进伟
张国庆
余翔宇
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Dongfeng Off Road Vehicle Co Ltd
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Dongfeng Off Road Vehicle Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B60W10/101Infinitely variable gearings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/12Conjoint control of vehicle sub-units of different type or different function including control of differentials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2300/00Indexing codes relating to the type of vehicle
    • B60W2300/18Four-wheel drive vehicles
    • B60W2300/185Off-road vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)

Abstract

The invention provides a coordinated control method and equipment for a transmission power takeoff and a transfer case power takeoff, which comprises the following steps: the unmanned controller sends a transmission neutral position command to the transmission, and sends a power takeoff starting command to the power takeoff controller; the power takeoff controller sends a message, if the vehicle state is detected to meet a preset condition, an engaging instruction is sent to control the power takeoff of the transfer case to be engaged, the power takeoff of the transmission is controlled by the automatic transmission controller to be engaged, a switch signal is accessed to the power takeoff controller, the power takeoff controller sends a signal for requesting the transmission to be shifted forward to the unmanned controller, the unmanned controller sends a forward shifting instruction of the transmission to the automatic transmission controller, the automatic transmission controller controls the transmission to be shifted forward, and the power takeoff controller controls the engine to rotate to perform power takeoff. The invention can reduce the rotating speed of the output shaft of the speed changer as much as possible, improve the successful probability of the engagement of the power takeoff of the transfer case, and realize the coordination work of the power takeoff of the speed changer and the power takeoff of the transfer case.

Description

Coordinated control method and device for transmission power takeoff and transfer case power takeoff
Technical Field
The embodiment of the invention relates to the technical field of vehicle electric control, in particular to a coordinated control method and device for a transmission power takeoff and a transfer case power takeoff.
Background
The cross-country vehicle receives more and more attention in the market, also increases gradually to cross-country vehicle's repacking demand, and the repacking facial make-up system is comparatively common, and the facial make-up system divide into hydraulic system and electrical system two parts, needs the derailleur power takeoff to supply hydraulic system, and the electrical system is supplied with to the transfer case power takeoff, realizes dual power takeoff. At present, under the working condition, the transmission power takeoff and the transfer case power takeoff cannot be coordinated, and the transfer case power takeoff is difficult to be engaged under the working condition that the transmission is not in neutral. Therefore, it is an urgent technical problem in the art to develop a method and an apparatus for coordinating and controlling a transmission power takeoff and a transfer case power takeoff, which can effectively overcome the above-mentioned drawbacks in the related art.
Disclosure of Invention
In view of the above problems in the prior art, embodiments of the present invention provide a method and an apparatus for coordinated control of a transmission power take-off and a transfer case power take-off.
In a first aspect, embodiments of the present invention provide a method of coordinated control of a transmission power take-off and a transfer case power take-off, comprising: the method comprises the following steps that an unmanned controller receives a power takeoff starting command, the unmanned controller sends a transmission neutral position command to a transmission, the transmission is in a neutral position, and the unmanned controller sends the power takeoff starting command to a power takeoff controller; the power takeoff controller sends a message, and when the condition that the vehicle state meets the preset condition is detected, the power takeoff controller sends an engaging instruction to control the power takeoff of the transfer case to engage, and the power takeoff controller sends a power takeoff starting instruction to the automatic gearbox controller; the automatic gearbox controller controls the engagement of a transmission power takeoff, a switch signal is accessed to the power takeoff controller, and the power takeoff controller sends a signal for requesting the transmission to be shifted to a front gear to the unmanned controller after detecting the engagement of the transmission power takeoff; the unmanned controller sends a transmission forward gear engaging command to the automatic transmission controller, the automatic transmission controller controls the transmission to engage in a forward gear, and sends a transmission power taking preparation completion signal to the power takeoff controller, and the power takeoff controller controls the engine to rotate to take power.
Based on the above disclosure of the method embodiments, the method for coordinated control of a transmission power take-off and a transfer case power take-off provided in an embodiment of the present invention further includes, before the unmanned controller receives a power take-off start command: the parking brake of the vehicle is in a pull-up state, the transfer case is in a neutral position, the transmission is in a parking position, the engine is started, and the unmanned controller is in communication connection with the remote control panel.
On the basis of the content of the embodiment of the method, in the coordinated control method of the transmission power take-off and the power take-off of the transfer case provided by the embodiment of the invention, the power take-off controller sends a message, and detects that the vehicle state meets the preset condition, wherein the method comprises the following steps: and detecting that the parking brake of the vehicle is in a pull-up state, the transfer case is in a neutral position, and the transmission is in the neutral position.
Based on the above disclosure of the method embodiments, the method for coordinated control of a transmission power take-off and a transfer case power take-off is provided in an embodiment of the present invention, where the automatic transmission controller controls engagement of the transmission power take-off, and includes: the power takeoff is attached with a pressure switch, and the pressure switch is closed after the power takeoff is jointed.
Based on the content of the above method embodiments, the method for coordinately controlling a transmission power take-off and a transfer case power take-off provided in an embodiment of the present invention, where the automatic transmission controller controls a transmission to engage a forward gear, includes: and closing the hydraulic torque converter, and controlling the transmission to gradually increase the gear to the fourth gear from low to high.
Based on the content of the above method embodiments, the method for coordinately controlling a transmission power take-off and a transfer case power take-off provided in an embodiment of the present invention, where the power take-off controller controls rotation of an engine to take off power, includes: the power takeoff controller broadcasts an engine speed control command through a bus or a hard wire, and the engine starts to rotate and is lifted to a constant speed to take power.
On the basis of the content of the above method embodiment, the method for coordinately controlling a transmission power take-off and a transfer case power take-off provided in the embodiment of the present invention further includes, after the unmanned controller is communicatively connected to the remote control tablet, that: and after being triggered, the remote control panel sends a force taking starting instruction to the unmanned controller.
In a second aspect, an embodiment of the present invention provides a coordinated control device of a transmission power take-off and a transfer case power take-off, comprising: the first main module is used for receiving a power takeoff starting command by the unmanned controller, sending a transmission neutral position command to the transmission by the unmanned controller, enabling the transmission to be in a neutral position, and sending the power takeoff starting command to the unmanned controller; the second main module is used for sending a message to the power takeoff controller, when the power takeoff controller detects that the vehicle state meets a preset condition, the power takeoff controller sends an engaging instruction to control the power takeoff of the transfer case to engage, and the power takeoff controller sends a power takeoff starting instruction to the automatic transmission controller; the third main module is used for controlling the engagement of a transmission power takeoff by the automatic gearbox controller, switching signals are accessed into the power takeoff controller, and the power takeoff controller sends a signal for requesting the transmission to be shifted forward to the unmanned controller after detecting that the transmission power takeoff is engaged; and the fourth main module is used for sending a forward gear engaging command of the transmission to the automatic transmission controller by the unmanned controller, controlling the transmission to engage in a forward gear by the automatic transmission controller, sending a power taking preparation completion signal of the transmission to the power take-off controller, and controlling the engine to rotate by the power take-off controller to take off power.
In a third aspect, an embodiment of the present invention provides an electronic device, including:
at least one processor; and
at least one memory communicatively coupled to the processor, wherein:
the memory stores program instructions executable by the processor to invoke the program instructions to perform the method of coordinated control of a transmission power take-off and a transfer case power take-off provided in any of the various implementations of the first aspect.
In a fourth aspect, embodiments of the present invention provide a non-transitory computer readable storage medium storing computer instructions that cause a computer to perform a method of coordinated control of a transmission power take-off and a transfer case power take-off provided in any of the various implementations of the first aspect.
According to the coordinated control method and device for the transmission power takeoff and the transfer case power takeoff, the transmission is in a neutral position, the unmanned controller sends a power takeoff starting instruction to the power takeoff controller, the power takeoff controller controls the transfer case power takeoff to be jointed, the power takeoff controller sends a signal for requesting the transmission to be in a forward gear shifting state to the unmanned controller, the automatic gearbox controller controls the transmission to be in the forward gear shifting state, the power takeoff controller controls the engine to rotate to take power, the rotating speed of the output shaft of the transmission can be reduced as far as possible, the success probability of joint of the transfer case power takeoff is improved, the power takeoff working condition required by a vehicle is achieved, the speed of the transfer case power takeoff can be adjusted, and the coordinated work of the transmission power takeoff and the transfer case power takeoff is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description will be given below to the drawings required for the description of the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of a method for coordinated control of a transmission power take-off and a transfer case power take-off provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of a coordinated control device of a transmission power take-off and a transfer case power take-off according to an embodiment of the invention;
fig. 3 is a schematic physical structure diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, technical features of various embodiments or individual embodiments provided by the present invention may be arbitrarily combined with each other to form a feasible technical solution, and such combination is not limited by the sequence of steps and/or the structural composition mode, but must be realized by a person skilled in the art, and when the technical solution combination is contradictory or cannot be realized, such a technical solution combination should not be considered to exist and is not within the protection scope of the present invention.
An embodiment of the present invention provides a method for coordinately controlling a transmission power take-off and a transfer case power take-off, and referring to fig. 1, the method includes: the method comprises the following steps that an unmanned controller receives a power takeoff starting command, the unmanned controller sends a transmission neutral position command to a transmission, the transmission is in a neutral position, and the unmanned controller sends the power takeoff starting command to a power takeoff controller; the power takeoff controller sends a message, and when the condition that the vehicle state meets the preset condition is detected, the power takeoff controller sends an engaging instruction to control the power takeoff of the transfer case to engage, and the power takeoff controller sends a power takeoff starting instruction to the automatic gearbox controller; the automatic gearbox controller controls the engagement of a transmission power takeoff, a switch signal is accessed to the power takeoff controller, and the power takeoff controller sends a signal for requesting the transmission to be shifted to a front gear to the unmanned controller after detecting the engagement of the transmission power takeoff; the unmanned controller sends a transmission forward gear engaging command to the automatic transmission controller, the automatic transmission controller controls the transmission to engage in a forward gear, and sends a transmission power taking preparation completion signal to the power takeoff controller, and the power takeoff controller controls the engine to rotate to take power.
Based on the content of the foregoing method embodiment, as an alternative embodiment, the method for coordinately controlling a transmission power take-off and a transfer case power take-off provided in this embodiment of the present invention further includes, before the unmanned controller receives a power take-off start command: the parking brake of the vehicle is in a pull-up state, the transfer case is in a neutral position, the transmission is in a parking position, the engine is started, and the unmanned controller is in communication connection with the remote control panel. Specifically, the parking brake of the vehicle is pulled up, the transfer case is put into a neutral gear, the transmission is put into a parking gear, the engine is started, and the unmanned controller is communicated with the remote control panel.
Based on the content of the foregoing method embodiment, as an optional embodiment, in the method for coordinately controlling a transmission power take-off and a transfer case power take-off provided in the embodiment of the present invention, the sending, by the power take-off controller, a message that a vehicle state satisfies a preset condition includes: and detecting that the parking brake of the vehicle is in a pull-up state, the transfer case is in a neutral position, and the transmission is in the neutral position.
Specifically, the power takeoff controller receives a power takeoff starting command, and sends messages through the controllers on the CAN bus (in another embodiment, the messages CAN also be sent through hard wires) to detect whether the parking brake of the vehicle is in a pulling-up state, whether the transfer case is in a neutral position, whether the transmission is in the neutral position, and if all conditions are met, the power takeoff controller sends a transfer case power takeoff engaging command. The safety of the vehicle can be guaranteed through the state of the vehicle, the front and back movement of the vehicle is prevented from occurring, potential safety hazards are caused, the probability of successful engagement of the transfer case power takeoff can be improved, due to the mechanical structure of the transfer case power takeoff, the transfer case power takeoff is difficult to engage when the rotating speed of the transmission output shaft exists, the rotating speed of the transmission output shaft can be reduced as far as possible by enabling the transmission to be in the neutral position in advance, and the probability of successful engagement of the transfer case power takeoff is improved.
Based on the content of the above method embodiment, as an alternative embodiment, the method for coordinately controlling a transmission power take-off and a transfer case power take-off is provided in an embodiment of the present invention, wherein the automatic transmission controller controls the transmission power take-off to be engaged, and the method comprises: the power takeoff is attached with a pressure switch, and the pressure switch is closed after the power takeoff is jointed.
Specifically, the power take-off controller broadcasts a power take-off start command over the CAN bus (which may also be hard wired in another embodiment) upon detecting that the transfer case power take-off is engaged. The automatic gearbox controller receives a power take-off starting command, the joint of a power take-off device of the transmission is controlled through a hard wire (in another embodiment, the CAN bus CAN also be used), a pressure switch is attached to the power take-off device, the pressure switch is closed after the power take-off device is jointed, and a switch signal is connected to the power take-off device controller through the hard wire.
Based on the content of the above method embodiment, as an alternative embodiment, the method for coordinately controlling a transmission power take-off and a transfer case power take-off provided in the embodiment of the present invention, where the automatic transmission controller controls the transmission to engage a forward gear, includes: and closing the hydraulic torque converter, and controlling the transmission to gradually increase the gear to the fourth gear from low to high.
Specifically, after the power takeoff controller detects that the transmission power takeoff is engaged, a signal requesting a forward gear of the transmission is broadcasted through a CAN bus (in another embodiment, the signal CAN also be through a hard wire), after the unmanned controller receives the signal, a forward gear instruction of the transmission is broadcasted through the CAN bus (in another embodiment, the signal CAN also be through a hard wire), after the automatic transmission controller receives the instruction, the transmission is controlled to be in the forward gear, the hydraulic torque converter is locked, the transmission is controlled to be sequentially and gradually shifted up to 4 gears, and after the completion, the automatic transmission controller broadcasts a power takeoff preparation completion signal of the transmission through the CAN bus (in another embodiment, the signal CAN also be through a hard wire). The automatic transmission controller is used for controlling the transmission to be in a forward gear, the engagement compliance of the transmission gear can be met, the transmission gear belongs to human-computer interaction, the intention of a driver is reflected, meanwhile, certain potential safety hazards exist in gear engagement under certain working conditions, therefore, the automatic transmission controller only receives gear engagement instructions of a gear shifting handle and an unmanned controller, the power takeoff controller is not allowed to directly control the automatic transmission controller to be in gear engagement, the power takeoff working condition required by a vehicle can be achieved, and the speed of a power takeoff can be adjusted.
Based on the content of the above method embodiment, as an alternative embodiment, the method for coordinately controlling a transmission power take-off and a transfer case power take-off provided in the embodiment of the present invention, where the power take-off controller controls an engine to rotate to take off power, includes: the power takeoff controller broadcasts an engine speed control command through a bus or a hard wire, and the engine starts to rotate and is lifted to a constant speed to take power. Specifically, after receiving a transmission power take-off preparation completion signal, the power take-off controller broadcasts an engine speed control command through the bus, and the engine is lifted to a constant speed to take off power.
Based on the content of the above method embodiment, as an alternative embodiment, the method for coordinately controlling a transmission power take-off and a transfer case power take-off provided in the embodiment of the present invention further includes, after the unmanned controller is communicatively connected to the remote control tablet, that: and after being triggered, the remote control panel sends a force taking starting instruction to the unmanned controller. Specifically, after a 'start power take-off' button on the remote control panel is stressed, the remote control panel sends a power take-off start instruction to the vehicle chassis drive-by-wire unmanned controller. The unmanned controller receives the power take-off command, and then broadcasts the transmission neutral position command and the power take-off starting command to a whole vehicle CAN bus (in another embodiment, the transmission neutral position command and the power take-off starting command CAN also be hard wired). By adopting the remote control panel, the remote unmanned remote control power take-off of the vehicle can be realized, and a driver does not need to enter the vehicle for operation.
According to the coordinated control method of the transmission power takeoff and the transfer case power takeoff, the transmission is in a neutral position, the unmanned controller sends a power takeoff starting instruction to the power takeoff controller, the power takeoff controller controls the transfer case power takeoff to be connected, the power takeoff controller sends a signal for requesting the transmission to be connected with the forward gear to the unmanned controller, the automatic gearbox controller controls the transmission to be connected with the forward gear, the power takeoff controller controls the engine to rotate to take power, the rotating speed of the output shaft of the transmission can be reduced as much as possible, the success probability of connection of the transfer case power takeoff is improved, the power takeoff working condition required by a vehicle is achieved, the speed of the transfer case power takeoff can be adjusted, and the coordinated work of the transmission power takeoff and the transfer case power takeoff is achieved.
The implementation basis of the various embodiments of the present invention is realized by programmed processing performed by a device having a processor function. Therefore, in engineering practice, the technical solutions and functions thereof of the embodiments of the present invention can be packaged into various modules. Based on this fact, on the basis of the above embodiments, embodiments of the present invention provide a coordinated control device of a transmission power take-off and a transfer case power take-off, which is used for executing the coordinated control method of the transmission power take-off and the transfer case power take-off in the above method embodiments. Referring to fig. 2, the apparatus includes: the first main module is used for receiving a power takeoff starting command by the unmanned controller, sending a transmission neutral position command to the transmission by the unmanned controller, enabling the transmission to be in a neutral position, and sending the power takeoff starting command to the unmanned controller; the second main module is used for sending a message to the power takeoff controller, when the power takeoff controller detects that the vehicle state meets a preset condition, the power takeoff controller sends an engaging instruction to control the power takeoff of the transfer case to engage, and the power takeoff controller sends a power takeoff starting instruction to the automatic transmission controller; the third main module is used for controlling the engagement of a transmission power takeoff by the automatic gearbox controller, switching signals are accessed into the power takeoff controller, and the power takeoff controller sends a signal for requesting the transmission to be shifted forward to the unmanned controller after detecting that the transmission power takeoff is engaged; and the fourth main module is used for sending a forward gear engaging command of the transmission to the automatic transmission controller by the unmanned controller, controlling the transmission to engage in a forward gear by the automatic transmission controller, sending a power taking preparation completion signal of the transmission to the power take-off controller, and controlling the engine to rotate by the power take-off controller to take off power.
According to the coordinated control device of the transmission power takeoff and the transfer case power takeoff, which is provided by the embodiment of the invention, a plurality of modules in a diagram 2 are adopted, the transmission is in a neutral position, the unmanned controller sends a power takeoff starting instruction to the power takeoff controller, the power takeoff controller controls the transfer case power takeoff to be jointed, the power takeoff controller sends a signal for requesting the transmission to be in a forward gear to be jointed to the unmanned controller, the automatic gearbox controller controls the transmission to be in the forward gear, the power takeoff controller controls the engine to rotate to take power, the rotating speed of an output shaft of the transmission can be reduced as far as possible, the successful jointing probability of the transfer case power takeoff is improved, the power takeoff working condition required by a vehicle is achieved, the speed of the transfer case power takeoff can be regulated, and the coordinated work of the transmission power takeoff and the transfer case power takeoff is realized.
It should be noted that, the apparatus in the apparatus embodiment provided by the present invention may be used for implementing methods in other method embodiments provided by the present invention, except that corresponding function modules are provided, and the principle of the apparatus embodiment provided by the present invention is basically the same as that of the apparatus embodiment provided by the present invention, so long as a person skilled in the art obtains corresponding technical means by combining technical features on the basis of the apparatus embodiment described above, and obtains a technical solution formed by these technical means, on the premise of ensuring that the technical solution has practicability, the apparatus in the apparatus embodiment described above may be modified, so as to obtain a corresponding apparatus class embodiment, which is used for implementing methods in other method class embodiments. For example:
based on the content of the above device embodiment, as an alternative embodiment, the coordinated control device of the transmission power take-off and the transfer case power take-off provided in the embodiment of the present invention further includes: the first submodule is used for realizing that before the unmanned controller receives a force taking starting instruction, the unmanned controller further comprises: the parking brake of the vehicle is in a pull-up state, the transfer case is in a neutral position, the transmission is in a parking position, the engine is started, and the unmanned controller is in communication connection with the remote control panel.
Based on the content of the above device embodiment, as an alternative embodiment, the coordinated control device of the transmission power take-off and the transfer case power take-off provided in the embodiment of the present invention further includes: the second submodule is used for realizing that the power takeoff controller sends a message, and detecting that the vehicle state meets the preset condition, and comprises: and detecting that the parking brake of the vehicle is in a pull-up state, the transfer case is in a neutral position, and the transmission is in the neutral position.
Based on the content of the above device embodiment, as an alternative embodiment, the coordinated control device of the transmission power take-off and the transfer case power take-off provided in the embodiment of the present invention further includes: a third sub-module for implementing said automatic transmission controller controlling transmission power take-off engagement, comprising: the power takeoff is attached with a pressure switch, and the pressure switch is closed after the power takeoff is jointed.
Based on the content of the above device embodiment, as an alternative embodiment, the coordinated control device of the transmission power take-off and the transfer case power take-off provided in the embodiment of the present invention further includes: a fourth submodule for implementing said automatic transmission controller to control the transmission to engage a forward gear, comprising: and closing the hydraulic torque converter, and controlling the transmission to gradually increase the gear to the fourth gear from low to high.
Based on the content of the above device embodiment, as an alternative embodiment, the coordinated control device of the transmission power take-off and the transfer case power take-off provided in the embodiment of the present invention further includes: a fifth submodule for implementing said power take-off controller to control engine rotation to take-off power, comprising: the power takeoff controller broadcasts an engine speed control command through a bus or a hard wire, and the engine starts to rotate and is lifted to a constant speed to take power.
Based on the content of the above device embodiment, as an alternative embodiment, the coordinated control device of the transmission power take-off and the transfer case power take-off provided in the embodiment of the present invention further includes: the sixth submodule is used for realizing that after the unmanned controller is in communication connection with the remote control panel, the system further comprises: and after being triggered, the remote control panel sends a force taking starting instruction to the unmanned controller.
The method of the embodiment of the invention is realized by depending on the electronic equipment, so that the related electronic equipment is necessarily introduced. To this end, an embodiment of the present invention provides an electronic apparatus, as shown in fig. 3, including: the system comprises at least one processor (processor), a communication Interface (communication Interface), at least one memory (memory) and a communication bus, wherein the at least one processor, the communication Interface and the at least one memory are communicated with each other through the communication bus. The at least one processor may invoke logic instructions in the at least one memory to perform all or a portion of the steps of the methods provided by the various method embodiments described above.
In addition, the logic instructions in the at least one memory may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the method embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. Based on this recognition, each block in the flowchart or block diagrams may represent a module, a program segment, or a portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In this patent, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A method of coordinated control of a transmission power take-off and a transfer case power take-off, comprising: the method comprises the following steps that an unmanned controller receives a power takeoff starting command, the unmanned controller sends a transmission neutral position command to a transmission, the transmission is in a neutral position, and the unmanned controller sends the power takeoff starting command to a power takeoff controller; the power takeoff controller sends a message, and when the condition that the vehicle state meets the preset condition is detected, the power takeoff controller sends an engaging instruction to control the power takeoff of the transfer case to engage, and the power takeoff controller sends a power takeoff starting instruction to the automatic gearbox controller; the automatic gearbox controller controls the engagement of a transmission power takeoff, a switch signal is accessed to the power takeoff controller, and the power takeoff controller sends a signal for requesting the transmission to be shifted to a front gear to the unmanned controller after detecting the engagement of the transmission power takeoff; the unmanned controller sends a transmission forward gear engaging command to the automatic transmission controller, the automatic transmission controller controls the transmission to engage in a forward gear, and sends a transmission power taking preparation completion signal to the power takeoff controller, and the power takeoff controller controls the engine to rotate to take power.
2. The coordinated transmission power take-off and transfer case power take-off control method as recited in claim 1, further comprising, before said unmanned controller receives a start power take-off command: the parking brake of the vehicle is in a pull-up state, the transfer case is in a neutral position, the transmission is in a parking position, the engine is started, and the unmanned controller is in communication connection with the remote control panel.
3. The method of claim 2, wherein the power take-off controller sends a message that the vehicle condition satisfies a predetermined condition, comprising: and detecting that the parking brake of the vehicle is in a pull-up state, the transfer case is in a neutral position, and the transmission is in the neutral position.
4. The method of coordinated transmission power take-off and transfer case power take-off control of claim 3, wherein said automatic transmission controller controls transmission power take-off engagement comprising: the power takeoff is attached with a pressure switch, and the pressure switch is closed after the power takeoff is jointed.
5. The method of coordinated transmission power take-off and transfer case power take-off control of claim 4, wherein said automatic transmission controller controls the transmission to engage a forward gear comprising: and closing the hydraulic torque converter, and controlling the transmission to gradually increase the gear to the fourth gear from low to high.
6. The method of coordinated transmission power take-off and transfer case power take-off control of claim 5, wherein said power take-off controller controlling engine rotation to take off power comprises: the power takeoff controller broadcasts an engine speed control command through a bus or a hard wire, and the engine starts to rotate and is lifted to a constant speed to take power.
7. The method of coordinating transmission power take-off and transfer case power take-off as in claim 6 further comprising, after said unmanned controller is communicatively coupled to a remotely controlled tablet, the steps of: and after being triggered, the remote control panel sends a force taking starting instruction to the unmanned controller.
8. A transmission power take-off and transfer case power take-off coordinated control apparatus, comprising: the first main module is used for receiving a power takeoff starting command by the unmanned controller, sending a transmission neutral position command to the transmission by the unmanned controller, enabling the transmission to be in a neutral position, and sending the power takeoff starting command to the unmanned controller; the second main module is used for sending a message to the power takeoff controller, when the power takeoff controller detects that the vehicle state meets a preset condition, the power takeoff controller sends an engaging instruction to control the power takeoff of the transfer case to engage, and the power takeoff controller sends a power takeoff starting instruction to the automatic transmission controller; the third main module is used for controlling the engagement of a transmission power takeoff by the automatic gearbox controller, switching signals are accessed into the power takeoff controller, and the power takeoff controller sends a signal for requesting the transmission to be shifted forward to the unmanned controller after detecting that the transmission power takeoff is engaged; and the fourth main module is used for sending a forward gear engaging command of the transmission to the automatic transmission controller by the unmanned controller, controlling the transmission to engage in a forward gear by the automatic transmission controller, sending a power taking preparation completion signal of the transmission to the power take-off controller, and controlling the engine to rotate by the power take-off controller to take off power.
9. An electronic device, comprising:
at least one processor, at least one memory, and a communication interface; wherein the content of the first and second substances,
the processor, the memory and the communication interface are communicated with each other;
the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the method of any of claims 1 to 7.
10. A non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform the method of any one of claims 1 to 7.
CN202110594134.0A 2021-05-28 2021-05-28 Coordinated control method and equipment for transmission power takeoff and transfer case power takeoff Active CN113212411B (en)

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