CN108099892B - Semi-automatic assembly system and control method thereof - Google Patents
Semi-automatic assembly system and control method thereof Download PDFInfo
- Publication number
- CN108099892B CN108099892B CN201711393703.5A CN201711393703A CN108099892B CN 108099892 B CN108099892 B CN 108099892B CN 201711393703 A CN201711393703 A CN 201711393703A CN 108099892 B CN108099892 B CN 108099892B
- Authority
- CN
- China
- Prior art keywords
- clutch
- automatic clutch
- rotating speed
- gear
- preset
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT 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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18027—Drive off, accelerating from standstill
Abstract
the invention provides a semi-automatic assembly system and a control method thereof, wherein the system consists of a power source, an automatic clutch, a manual transmission and a power assembly controller, compared with the traditional power assembly, the system greatly reduces the operation intensity of a driver, compared with a new energy power assembly, the system has a simple structure, and the reliability is improved. In addition, aiming at the starting control of the semi-automatic assembly control system, the shifting handle is opened, namely the automatic clutch is controlled to be separated, after a starting gear is hung, namely the automatic clutch is controlled to be close to a sliding friction point, and after a hand brake and a brake are released, the combination of an automatic clutch pressure plate and a driven plate is controlled by using the opening degree of an accelerator, so that the starting comfort and the starting power are both considered, and the semi-automatic assembly control system has the function of preventing a vehicle from sliding down a slope. Aiming at the gear shifting control of the semi-automatic assembly control system, the automatic clutch is controlled to be separated when the gear shifting handle is started, and the automatic clutch is controlled to be combined after the gear is hung. The gear shifting process fully reserves the gear shifting operation process of the manual gear, and the trouble can not be caused to a driver.
Description
Technical Field
the invention relates to the technical field of automobiles, in particular to a semi-automatic assembly system and a control method thereof.
background
The traditional power assembly comprises a power source, a manual clutch and a manual transmission, and the new energy power assembly comprises a power source, an automatic clutch and an automatic transmission.
for a driver, the traditional power assembly is complex to operate, and driving fatigue and even errors are easily caused particularly in a congested road section; the new energy power assembly, especially the application of the automatic transmission, reduces the operation difficulty, but has complex structure, high failure probability and poor reliability.
Disclosure of Invention
In view of the above, the invention provides a semi-automatic assembly system and a control method thereof, so as to solve the problems that the operation of the conventional power assembly is complex and the failure probability of the new energy power assembly is high. The technical scheme is as follows:
A semi-automatic assembly control system comprising: the automatic clutch is arranged on the power source, the automatic clutch is arranged on the manual transmission, and the manual transmission is provided with a first sensor and a second sensor; wherein the content of the first and second substances,
the first sensor is used for detecting the switch state of a shift handle of the manual transmission, and the second sensor is used for detecting the gear state of the shift handle;
the power source is connected with the automatic clutch through an output shaft, the automatic clutch is connected with the manual transmission through a driven shaft, and the power assembly controller is respectively connected with the power source, the automatic clutch, the first sensor and the second sensor;
the first sensor sends the switch state of the shift handle to the powertrain controller;
the second sensor sends the gear state of the gear shifting handle to the powertrain controller;
The power assembly controller controls a pressure plate and a driven plate of the automatic clutch to be switched to a separation state from a combination state under the condition that the gear shifting handle is in an opening state, and judges whether the gear shifting handle is engaged in a gear or not according to the gear state; when the gear shifting handle is engaged in a gear, judging whether the engaged gear of the gear shifting handle is a starting gear or not; if the shift handle is engaged with the starting gear, controlling a pressure plate and a driven plate of the automatic clutch to be combined to a first preset clutch position, wherein the first preset clutch position is larger than the position of a sliding and grinding point of the automatic clutch; under the condition that a hand brake is in an opening state and the depth value of a brake pedal is smaller than a depth threshold value, controlling a pressure plate and a driven plate of the automatic clutch to be combined to a second preset clutch position according to the depth value of an accelerator pedal, wherein the second preset clutch position is used for representing the position where the pressure plate and the driven plate of the automatic clutch are completely combined; and if the shift position engaged by the shift handle is not the starting position, controlling the pressure plate and the driven plate of the automatic clutch to be combined to a second preset clutch position according to the rotation speed of the output shaft of the manual transmission and the shift position engaged by the shift handle, wherein the second preset clutch position is used for representing the position where the pressure plate and the driven plate of the automatic clutch are completely combined.
Preferably, the method further comprises the following steps: the locking device is arranged on the manual transmission;
The locking device locks the gear shifting handle under the condition that the gear shifting handle is in a closed state.
Preferably, the powertrain controller controls the pressure plate and the driven plate of the automatic clutch to be coupled to a second preset clutch position according to the depth value of the accelerator pedal, and is used for:
determining the starting required rotating speed of the power source and the starting combination speed of the automatic clutch according to the depth value of an accelerator pedal; judging whether the current combination position of a pressure plate and a driven plate of the automatic clutch is equal to a second preset clutch position or not; when the current combination position is not equal to the second preset clutch position, acquiring the current rotating speed of the power source, and judging whether the current rotating speed is less than a set required rotating speed, wherein the set required rotating speed is less than or equal to the starting required rotating speed; if the current rotating speed is not less than the set required rotating speed, controlling a pressure plate and a driven plate of the automatic clutch to be combined according to the starting combination speed, and returning to execute whether the current combination position of the pressure plate and the driven plate of the automatic clutch is equal to a second preset clutch position or not; and if the current rotating speed is less than the set required rotating speed, controlling the pressure plate and the driven plate of the automatic clutch to be separated to the first preset clutch position, and returning to execute the step of acquiring the current rotating speed of the power source.
preferably, the powertrain controller controls the pressure plate and the driven plate of the automatic clutch to be coupled to a second preset clutch position according to the rotation speed of the output shaft of the manual transmission and the gear engaged by the gear shifting handle, and is used for:
calculating a gear shifting target rotating speed of the power source according to the rotating speed of an output shaft of the manual transmission and a gear engaged by the gear shifting handle; acquiring the current rotating speed of the power source, and judging whether the difference between the current rotating speed and the gear shifting target rotating speed is within a preset allowable range; if the difference is within the preset allowable range, judging whether the current combination position of a pressure plate and a driven plate of the automatic clutch is equal to a second preset clutch position; when the current combination position is not equal to the second preset clutch position, determining the gear shifting combination speed of the automatic clutch according to the difference; controlling a pressure plate and a driven plate of the automatic clutch to be combined according to the gear shifting combination speed, and returning to execute the step of judging whether the current combination position of the pressure plate and the driven plate of the automatic clutch is equal to a second preset clutch position or not; and if the difference is not within the preset allowable range, controlling the power source to regulate the speed, and returning to execute the step of acquiring the current rotating speed of the power source.
preferably, the power source includes: an engine.
Preferably, the power source further includes: an electric motor.
preferably, the driving method of the automatic clutch includes: electrically controlled pneumatic or electrically controlled hydraulic.
a control method is applied to a semi-automatic assembly control system, the system comprises a power source, an automatic clutch, a manual transmission and a power assembly controller, wherein the manual transmission is provided with a first sensor and a second sensor; the first sensor is used for detecting the switch state of a shift handle of the manual transmission, and the second sensor is used for detecting the gear state of the shift handle; the power source is connected with the automatic clutch through an output shaft, the automatic clutch is connected with the manual transmission through a driven shaft, and the power assembly controller is respectively connected with the power source, the automatic clutch, the first sensor and the second sensor; the method is applied to the powertrain controller and comprises the following steps:
under the condition that the gear shifting handle is in an opening state, controlling a pressure plate and a driven plate of the automatic clutch to be switched to a separation state from a combination state, and judging whether the gear shifting handle is engaged in a gear or not according to the gear state;
When the gear shifting handle is engaged in a gear, judging whether the engaged gear of the gear shifting handle is a starting gear or not;
if the shift handle is engaged with the starting gear, controlling a pressure plate and a driven plate of the automatic clutch to be combined to a first preset clutch position, wherein the first preset clutch position is larger than the position of a sliding and grinding point of the automatic clutch;
Under the condition that a hand brake is in an opening state and the depth value of a brake pedal is smaller than a depth threshold value, controlling a pressure plate and a driven plate of the automatic clutch to be combined to a second preset clutch position according to the depth value of an accelerator pedal, wherein the second preset clutch position is used for representing the position where the pressure plate and the driven plate of the automatic clutch are completely combined;
And if the shift position engaged by the shift handle is not the starting position, controlling the pressure plate and the driven plate of the automatic clutch to be combined to a second preset clutch position according to the rotation speed of the output shaft of the manual transmission and the shift position engaged by the shift handle, wherein the second preset clutch position is used for representing the position where the pressure plate and the driven plate of the automatic clutch are completely combined.
Preferably, the controlling the pressure plate and the driven plate of the automatic clutch to be combined to the second preset clutch position according to the depth value of the accelerator pedal comprises the following steps:
Determining the starting required rotating speed of the power source and the starting combination speed of the automatic clutch according to the depth value of an accelerator pedal;
judging whether the current combination position of a pressure plate and a driven plate of the automatic clutch is equal to a second preset clutch position or not;
When the current combination position is not equal to the second preset clutch position, acquiring the current rotating speed of the power source, and judging whether the current rotating speed is less than a set required rotating speed, wherein the set required rotating speed is less than or equal to the starting required rotating speed;
if the current rotating speed is not less than the set required rotating speed, controlling a pressure plate and a driven plate of the automatic clutch to be combined according to the starting combination speed, and returning to execute whether the current combination position of the pressure plate and the driven plate of the automatic clutch is equal to a second preset clutch position or not;
And if the current rotating speed is less than the set required rotating speed, controlling the pressure plate and the driven plate of the automatic clutch to be separated to the first preset clutch position, and returning to execute the step of acquiring the current rotating speed of the power source.
preferably, the controlling of the pressure plate and the driven plate of the automatic clutch to be coupled to a second preset clutch position according to the rotation speed of the output shaft of the manual transmission and the engaged gear of the gear shifting handle comprises:
calculating a gear shifting target rotating speed of the power source according to the rotating speed of an output shaft of the manual transmission and a gear engaged by the gear shifting handle;
Acquiring the current rotating speed of the power source, and judging whether the difference between the current rotating speed and the gear shifting target rotating speed is within a preset allowable range;
if the difference is within the preset allowable range, judging whether the current combination position of a pressure plate and a driven plate of the automatic clutch is equal to a second preset clutch position;
when the current combination position is not equal to the second preset clutch position, determining the gear shifting combination speed of the automatic clutch according to the difference;
controlling a pressure plate and a driven plate of the automatic clutch to be combined according to the gear shifting combination speed, and returning to execute the step of judging whether the current combination position of the pressure plate and the driven plate of the automatic clutch is equal to a second preset clutch position or not;
and if the difference is not within the preset allowable range, controlling the power source to regulate the speed, and returning to execute the step of acquiring the current rotating speed of the power source.
compared with the prior art, the invention has the following beneficial effects:
compared with the traditional power assembly, the semi-automatic assembly control system provided by the invention has the advantages that the operation intensity of a driver is greatly reduced, and compared with a new energy power assembly, the semi-automatic assembly control system is simple in structure and the reliability is improved.
in addition, aiming at the starting control of the semi-automatic assembly control system, the shifting handle is opened, namely the automatic clutch is controlled to be separated, after a starting gear is hung, namely the automatic clutch is controlled to be close to a sliding friction point, and after a hand brake and a brake are released, the combination of an automatic clutch pressure plate and a driven plate is controlled by using the opening degree of an accelerator, so that the starting comfort and the starting power are both considered, and the semi-automatic assembly control system has the function of preventing a vehicle from sliding down a slope.
aiming at the gear shifting control of the semi-automatic assembly control system, the automatic clutch is controlled to be separated when the gear shifting handle is started, and the automatic clutch is controlled to be combined after the gear is hung. The gear shifting process fully reserves the gear shifting operation process of the manual gear, and the trouble can not be caused to a driver.
Drawings
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a semi-automatic assembly control system according to an embodiment of the present invention;
FIG. 2 is a flowchart of a method of controlling a system according to an embodiment of the present invention;
FIG. 3 is a partial method flow diagram of a control method provided by an embodiment of the present invention;
fig. 4 is a flowchart of a part of a control method according to an embodiment of the present invention.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
an ISG motor: an Integrated starter and generator motor having a starting and generating function;
clutch slip point: the position where the clutch disc and pressure plate have just come into contact. When the position of the clutch is smaller than the position of the sliding and grinding point, the clutch can transmit the power of the power source to the wheels, the combination positions are different, and the magnitude of the power transmitted by the clutch is different; when the position of the clutch is larger than the position of the sliding and grinding point, the clutch can not transmit power.
an embodiment of the present invention provides a semi-automatic assembly control system, a schematic structural diagram of the system is shown in fig. 1, and the system includes: the system comprises a power source 10, an automatic clutch 20, a manual transmission 30 and a powertrain controller 40, wherein a first sensor (not shown in FIG. 1) and a second sensor (not shown in FIG. 1) are arranged on the manual transmission 30; wherein the content of the first and second substances,
The first sensor is used for detecting the switch state of a gear shift handle of the manual transmission 30, and the second sensor is used for detecting the gear state of the gear shift handle;
the power source 10 is connected with the automatic clutch 20 through an output shaft, the automatic clutch 20 is connected with the manual transmission 30 through a driven shaft, and the power assembly controller 40 is respectively connected with the power source 10, the automatic clutch 20, the first sensor and the second sensor;
the first sensor sends the switch state of the gear shifting handle to a power assembly controller;
The second sensor sends the gear state of the gear shifting handle to the power assembly controller;
fig. 2 provides a method flowchart of a control method implemented on a semi-automatic assembly control system, which can be specifically described in detail with reference to the structural embodiment of the semi-automatic assembly control system shown in fig. 1, and a powertrain controller performs control according to the following steps:
S10, under the condition that the gear shifting handle is detected to be in the opening state, the pressure plate and the driven plate of the automatic clutch are controlled to be switched from the combination state to the separation state, and whether the gear shifting handle is engaged in the gear is judged according to the gear state; when the gear shift handle is engaged in the gear, executing step S20;
In this embodiment, a switch may be provided on the shift handle, and the driver must touch the switch before shifting. Therefore, the powertrain controller can acquire the shifting intention of the driver before the driver operates the shifting handle to shift, and the manual transmission is prevented from being damaged due to forced shifting of the driver before the clutch is separated. In the practical application process, a locking device can be arranged on the manual transmission, and the locking device locks the gear shifting handle under the condition that the gear shifting handle is in a closed state.
In this embodiment, if the shift lever is not engaged in the shift position, no operation is performed.
s20, judging whether the gear engaged by the gear shifting handle is a starting gear; if the shift lever is engaged in the starting gear, executing step S30; if the shift lever is not engaged in the starting gear, executing step S50;
s30, controlling the pressure plate and the driven plate of the automatic clutch to be combined to a first preset clutch position, wherein the first preset clutch position is larger than the position of a sliding friction point of the automatic clutch;
s40, under the condition that the hand brake is in an open state and the depth value of the brake pedal is smaller than a depth threshold value, controlling the pressure plate and the driven plate of the automatic clutch to be combined to a second preset clutch position according to the depth value of the accelerator pedal, wherein the second preset clutch position is used for representing the position where the pressure plate and the driven plate of the automatic clutch are completely combined;
In this embodiment, if the handbrake is in the off state or the depth value of the brake pedal is not less than the depth threshold, it indicates that the driver does not release the handbrake and the footbrake, and the position of the automatic clutch is kept unchanged.
In a specific implementation, the process of "controlling the pressure plate and the driven plate of the automatic clutch to be coupled to the second preset clutch position according to the depth value of the accelerator pedal" in step S40 may specifically adopt the following steps, and the flowchart of the method is shown in fig. 3:
s401, determining a starting required rotating speed of a power source and a starting combination speed of an automatic clutch according to the depth value of an accelerator pedal;
in this embodiment, for the depth values of different accelerator pedals, the starting required rotation speed of the corresponding power source and the starting combination speed of the automatic clutch may be preset, and the corresponding relationship between the starting required rotation speed of the corresponding power source and the starting combination speed of the automatic clutch may exist in the form of a MAP table or a curve, which is not specifically limited in this embodiment.
s402, judging whether the current combination position of a pressure plate and a driven plate of the automatic clutch is equal to a second preset clutch position or not; when the current combination position is not equal to the second preset clutch position, executing the step S403;
s403, acquiring the current rotating speed of the power source, and judging whether the current rotating speed is less than a set required rotating speed which is less than or equal to a starting required rotating speed; if the current rotating speed is not less than the set required rotating speed, executing a step S404; if the current rotating speed is less than the set required rotating speed, executing the step S405;
S404, controlling the pressure plate and the driven plate of the automatic clutch to be combined according to the starting combination speed, and returning to execute the step S402;
And S405, controlling the pressure plate and the driven plate of the automatic clutch to be separated to a first preset clutch position, and returning to execute the step S403.
s50, controlling the pressure plate and the driven plate of the automatic clutch to be combined to a second preset clutch position according to the rotation speed of the output shaft of the manual transmission and the gear engaged by the gear shifting handle, wherein the second preset clutch position is used for representing the position where the pressure plate and the driven plate of the automatic clutch are completely combined;
In a specific implementation, the process of controlling the pressure plate and the driven plate of the automatic clutch to be coupled to the second preset clutch position according to the output shaft rotation speed of the manual transmission and the gear engaged by the shift handle in step S50 may specifically adopt the following steps, and the flowchart of the method is shown in fig. 4:
s501, calculating a gear shifting target rotating speed of a power source according to the rotating speed of an output shaft of the manual transmission and a gear engaged by a gear shifting handle;
In the process of executing step S501, the gear ratio of the shift position may be determined according to the shift position engaged by the shift lever, and the product of the output shaft rotation speed of the manual transmission and the gear ratio may be used as the shift target rotation speed of the power source.
S502, acquiring the current rotating speed of the power source, and judging whether the difference between the current rotating speed and the gear shifting target rotating speed is within a preset allowable range; if the difference is within the preset allowable range, go to step S503; if the difference is not within the preset allowable range, go to step S506;
S503, judging whether the current combination position of the pressure plate and the driven plate of the automatic clutch is equal to a second preset clutch position or not; when the current combination position is not equal to the second preset clutch position, executing the step S503;
s504, determining the gear shifting combination speed of the automatic clutch according to the difference;
in this embodiment, for different differential amounts, the shift engagement speeds of the corresponding automatic clutches may be preset, and the corresponding relationship between the shift engagement speeds may exist in the form of a MAP table or a curve, which is not specifically limited in this embodiment.
s505, controlling the pressure plate and the driven plate of the automatic clutch to be combined according to the gear shifting combination speed, and returning to execute the step S503;
s506, controlling the speed of the power source to be regulated, and returning to execute the step S502.
In the process of executing step S505, the rotation speed of the power source may be controlled to continuously approach the shift target rotation speed according to the preset speed regulation step.
in this embodiment, the power source may be a single power source, for example, an engine, or may be a hybrid power source of an engine and a motor, where the motor may specifically be an ISG motor.
In addition, the driving mode of the automatic clutch includes, but is not limited to, electro-pneumatic or electro-hydraulic.
for electric control pneumatic, a pneumatic actuating mechanism needs an electromagnetic valve to control air inlet and air outlet; and for electrically controlled hydraulic actuation, a hydraulic motor is required for a hydraulic actuating mechanism. Whether the solenoid valve or the hydraulic motor requires electricity, and is therefore referred to as being electrically controlled. Compared with electric control hydraulic control, electric control pneumatic control has the advantages of lower cost, simpler control and lower control precision.
the above steps S401 to S405 are only one preferred implementation of the process of controlling the pressure plate and the driven plate of the automatic clutch to be coupled to the second preset clutch position according to the depth value of the accelerator pedal in step S40 of the embodiment of the present application, and the specific implementation of this process may be arbitrarily set according to its own requirements, and is not limited herein.
The above steps S501 to S506 are only a preferred implementation manner of the process of controlling the pressure plate and the driven plate of the automatic clutch to be coupled to the second preset clutch position according to the output shaft rotation speed of the manual transmission and the gear engaged by the shift handle in step S50 of the embodiment of the present application, and the specific implementation manner of this process may be arbitrarily set according to its own requirements, and is not limited herein.
The semi-automatic assembly control system provided by the embodiment comprises a power source, an automatic clutch, a manual transmission and a power assembly controller, greatly reduces the operation intensity of a driver compared with the traditional power assembly, and has simple structure and increased reliability compared with a new energy power assembly.
In addition, aiming at the starting control of the semi-automatic assembly control system, the shifting handle is opened, namely the automatic clutch is controlled to be separated, after a starting gear is hung, namely the automatic clutch is controlled to be close to a sliding friction point, and after a hand brake and a brake are released, the combination of an automatic clutch pressure plate and a driven plate is controlled by using the opening degree of an accelerator, so that the starting comfort and the starting power are both considered, and the semi-automatic assembly control system has the function of preventing a vehicle from sliding down a slope.
aiming at the gear shifting control of the semi-automatic assembly control system, the automatic clutch is controlled to be separated when the gear shifting handle is started, and the automatic clutch is controlled to be combined after the gear is hung. The gear shifting process fully reserves the gear shifting operation process of the manual gear, and the trouble can not be caused to a driver.
The semi-automatic assembly system and the control method thereof provided by the invention are described in detail, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 or 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A semi-automatic assembly control system, comprising: the automatic clutch is arranged on the power source, the automatic clutch is arranged on the manual transmission, and the manual transmission is provided with a first sensor and a second sensor; wherein the content of the first and second substances,
The first sensor is used for detecting the switch state of a shift handle of the manual transmission, and the second sensor is used for detecting the gear state of the shift handle;
the power source is connected with the automatic clutch through an output shaft, the automatic clutch is connected with the manual transmission through a driven shaft, and the power assembly controller is respectively connected with the power source, the automatic clutch, the first sensor and the second sensor;
the first sensor sends the switch state of the shift handle to the powertrain controller;
the second sensor sends the gear state of the gear shifting handle to the powertrain controller;
the power assembly controller controls a pressure plate and a driven plate of the automatic clutch to be switched from a combined state to a separated state under the condition that the gear shifting handle is detected to be in an opening state, and judges whether the gear shifting handle is engaged in a gear or not according to the gear state; when the gear shifting handle is engaged in a gear, judging whether the engaged gear of the gear shifting handle is a starting gear or not; if the shift handle is engaged with the starting gear, controlling a pressure plate and a driven plate of the automatic clutch to be combined to a first preset clutch position, wherein the first preset clutch position is larger than the position of a sliding and grinding point of the automatic clutch; under the condition that a hand brake is in an opening state and the depth value of a brake pedal is smaller than a depth threshold value, controlling a pressure plate and a driven plate of the automatic clutch to be combined to a second preset clutch position according to the depth value of an accelerator pedal, wherein the second preset clutch position is used for representing the position where the pressure plate and the driven plate of the automatic clutch are completely combined; and if the shift position engaged by the shift handle is not the starting position, controlling the pressure plate and the driven plate of the automatic clutch to be combined to a second preset clutch position according to the rotation speed of the output shaft of the manual transmission and the shift position engaged by the shift handle, wherein the second preset clutch position is used for representing the position where the pressure plate and the driven plate of the automatic clutch are completely combined.
2. the control system of claim 1, further comprising: the locking device is arranged on the manual transmission;
the locking device locks the gear shifting handle under the condition that the gear shifting handle is in a closed state.
3. The system of claim 1, wherein the powertrain controller controls the pressure plate and the driven plate of the automatic clutch to engage to a second preset clutch position based on a depth value of an accelerator pedal for:
Determining the starting required rotating speed of the power source and the starting combination speed of the automatic clutch according to the depth value of an accelerator pedal; judging whether the current combination position of a pressure plate and a driven plate of the automatic clutch is equal to a second preset clutch position or not; when the current combination position is not equal to the second preset clutch position, acquiring the current rotating speed of the power source, and judging whether the current rotating speed is less than a set required rotating speed, wherein the set required rotating speed is less than or equal to the starting required rotating speed; if the current rotating speed is not less than the set required rotating speed, controlling a pressure plate and a driven plate of the automatic clutch to be combined according to the starting combination speed, and returning to execute the step of judging whether the current combination position of the pressure plate and the driven plate of the automatic clutch is equal to a second preset clutch position or not; and if the current rotating speed is less than the set required rotating speed, controlling the pressure plate and the driven plate of the automatic clutch to be separated to the first preset clutch position, and returning to execute the step of acquiring the current rotating speed of the power source.
4. The system of claim 1, wherein the powertrain controller controls engagement of the pressure plate and the driven plate of the automatic clutch to a second predetermined clutch position based on the output shaft speed of the manual transmission and the gear engaged by the shift handle for:
Calculating a gear shifting target rotating speed of the power source according to the rotating speed of an output shaft of the manual transmission and a gear engaged by the gear shifting handle; acquiring the current rotating speed of the power source, and judging whether the difference between the current rotating speed and the gear shifting target rotating speed is within a preset allowable range; if the difference is within the preset allowable range, judging whether the current combination position of a pressure plate and a driven plate of the automatic clutch is equal to a second preset clutch position; when the current combination position is not equal to the second preset clutch position, determining the gear shifting combination speed of the automatic clutch according to the difference; controlling a pressure plate and a driven plate of the automatic clutch to be combined according to the gear shifting combination speed, and returning to execute the step of judging whether the current combination position of the pressure plate and the driven plate of the automatic clutch is equal to a second preset clutch position or not; and if the difference is not within the preset allowable range, controlling the power source to regulate the speed, and returning to execute the step of acquiring the current rotating speed of the power source.
5. the system of claim 1, wherein the power source comprises: an engine.
6. the system of claim 5, wherein the power source further comprises: an electric motor.
7. the system of claim 1, wherein the actuation of the automatic clutch comprises: electrically controlled pneumatic or electrically controlled hydraulic.
8. A control method is characterized by being applied to a semi-automatic assembly control system, wherein the system comprises a power source, an automatic clutch, a manual transmission and a power assembly controller, and the manual transmission is provided with a first sensor and a second sensor; the first sensor is used for detecting the switch state of a shift handle of the manual transmission, and the second sensor is used for detecting the gear state of the shift handle; the power source is connected with the automatic clutch through an output shaft, the automatic clutch is connected with the manual transmission through a driven shaft, and the power assembly controller is respectively connected with the power source, the automatic clutch, the first sensor and the second sensor; the method is applied to the powertrain controller and comprises the following steps:
under the condition that the gear shifting handle is in an opening state, controlling a pressure plate and a driven plate of the automatic clutch to be switched to a separation state from a combination state, and judging whether the gear shifting handle is engaged in a gear or not according to the gear state;
when the gear shifting handle is engaged in a gear, judging whether the engaged gear of the gear shifting handle is a starting gear or not;
if the shift handle is engaged with the starting gear, controlling a pressure plate and a driven plate of the automatic clutch to be combined to a first preset clutch position, wherein the first preset clutch position is larger than the position of a sliding and grinding point of the automatic clutch;
Under the condition that a hand brake is in an opening state and the depth value of a brake pedal is smaller than a depth threshold value, controlling a pressure plate and a driven plate of the automatic clutch to be combined to a second preset clutch position according to the depth value of an accelerator pedal, wherein the second preset clutch position is used for representing the position where the pressure plate and the driven plate of the automatic clutch are completely combined;
and if the shift position engaged by the shift handle is not the starting position, controlling the pressure plate and the driven plate of the automatic clutch to be combined to a second preset clutch position according to the rotation speed of the output shaft of the manual transmission and the shift position engaged by the shift handle, wherein the second preset clutch position is used for representing the position where the pressure plate and the driven plate of the automatic clutch are completely combined.
9. the method of claim 8, wherein controlling the pressure plate and the driven plate of the automatic clutch to engage to a second predetermined clutch position based on a depth value of an accelerator pedal comprises:
determining the starting required rotating speed of the power source and the starting combination speed of the automatic clutch according to the depth value of an accelerator pedal;
judging whether the current combination position of a pressure plate and a driven plate of the automatic clutch is equal to a second preset clutch position or not;
When the current combination position is not equal to the second preset clutch position, acquiring the current rotating speed of the power source, and judging whether the current rotating speed is less than a set required rotating speed, wherein the set required rotating speed is less than or equal to the starting required rotating speed;
If the current rotating speed is not less than the set required rotating speed, controlling a pressure plate and a driven plate of the automatic clutch to be combined according to the starting combination speed, and returning to execute the step of judging whether the current combination position of the pressure plate and the driven plate of the automatic clutch is equal to a second preset clutch position or not;
and if the current rotating speed is less than the set required rotating speed, controlling the pressure plate and the driven plate of the automatic clutch to be separated to the first preset clutch position, and returning to execute the step of acquiring the current rotating speed of the power source.
10. The method of claim 8, wherein controlling engagement of the pressure plate and the driven plate of the automatic clutch to a second predetermined clutch position based on the output shaft speed of the manual transmission and the engaged gear of the shift handle comprises:
Calculating a gear shifting target rotating speed of the power source according to the rotating speed of an output shaft of the manual transmission and a gear engaged by the gear shifting handle;
Acquiring the current rotating speed of the power source, and judging whether the difference between the current rotating speed and the gear shifting target rotating speed is within a preset allowable range;
If the difference is within the preset allowable range, judging whether the current combination position of a pressure plate and a driven plate of the automatic clutch is equal to a second preset clutch position;
When the current combination position is not equal to the second preset clutch position, determining the gear shifting combination speed of the automatic clutch according to the difference;
controlling a pressure plate and a driven plate of the automatic clutch to be combined according to the gear shifting combination speed, and returning to execute the step of judging whether the current combination position of the pressure plate and the driven plate of the automatic clutch is equal to a second preset clutch position or not;
and if the difference is not within the preset allowable range, controlling the power source to regulate the speed, and returning to execute the step of acquiring the current rotating speed of the power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393703.5A CN108099892B (en) | 2017-12-21 | 2017-12-21 | Semi-automatic assembly system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393703.5A CN108099892B (en) | 2017-12-21 | 2017-12-21 | Semi-automatic assembly system and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108099892A CN108099892A (en) | 2018-06-01 |
| CN108099892B true CN108099892B (en) | 2019-12-06 |
Family
ID=62211531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711393703.5A Active CN108099892B (en) | 2017-12-21 | 2017-12-21 | Semi-automatic assembly system and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108099892B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237016B (en) * | 2018-09-29 | 2020-07-28 | 潍柴动力股份有限公司 | Gear control method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6729999B2 (en) * | 2001-08-10 | 2004-05-04 | Zf Friedrichshafen Ag | Drive arrangement |
| WO2011042236A1 (en) * | 2009-10-08 | 2011-04-14 | Robert Bosch Gmbh | Method for operating a drive device and a drive device |
| CN103180190A (en) * | 2010-12-08 | 2013-06-26 | 爱信Ai株式会社 | Power transmission control device for vehicle |
| EP3051183A1 (en) * | 2015-01-28 | 2016-08-03 | Magneti Marelli S.p.A. | Management and control method of the gear change and starting phases of a vehicle fitted with an automated manual transmission and transmission and starting apparatus for vehicles fitted with automated manual transmissions |
| CN106414207A (en) * | 2014-06-14 | 2017-02-15 | 奥迪股份公司 | Method for operating a transmission device for a motor vehicle, and corresponding transmission device |
-
2017
- 2017-12-21 CN CN201711393703.5A patent/CN108099892B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6729999B2 (en) * | 2001-08-10 | 2004-05-04 | Zf Friedrichshafen Ag | Drive arrangement |
| WO2011042236A1 (en) * | 2009-10-08 | 2011-04-14 | Robert Bosch Gmbh | Method for operating a drive device and a drive device |
| CN103180190A (en) * | 2010-12-08 | 2013-06-26 | 爱信Ai株式会社 | Power transmission control device for vehicle |
| CN106414207A (en) * | 2014-06-14 | 2017-02-15 | 奥迪股份公司 | Method for operating a transmission device for a motor vehicle, and corresponding transmission device |
| EP3051183A1 (en) * | 2015-01-28 | 2016-08-03 | Magneti Marelli S.p.A. | Management and control method of the gear change and starting phases of a vehicle fitted with an automated manual transmission and transmission and starting apparatus for vehicles fitted with automated manual transmissions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108099892A (en) | 2018-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100602323B1 (en) | Hill Holder Device For A Motor Vehicle | |
| US7137310B2 (en) | Twin-clutch transmission and method for carrying out a gearshift in a twin-clutch transmission | |
| KR100246970B1 (en) | Clutch mode control method | |
| US9694791B2 (en) | Vehicle parking control apparatus | |
| US7025708B2 (en) | Method for changing the clutch torque in a clutch in the power train of a vehicle having an automated manual shift transmission | |
| US7160225B2 (en) | Method, device and use thereof for operating a motor vehicle | |
| US5964680A (en) | Power train for a motor vehicle | |
| KR100561268B1 (en) | Control device of torque transmission system | |
| EP3608191A1 (en) | Vehicle control method and vehicle control device | |
| GB2370085A (en) | Torque transmission device, especially for an automobile | |
| JP5872072B2 (en) | Improvements in emissions control of internal combustion engines. | |
| CN100381313C (en) | Vehicle control device | |
| US7674204B2 (en) | Device and method for control of an automatic gearbox for control of lock-up and lock-up release | |
| CN101356385B (en) | Method for separating clutch | |
| CN104204628A (en) | Vehicle startup control device and startup control method | |
| CN108099892B (en) | Semi-automatic assembly system and control method thereof | |
| US9771077B2 (en) | Vehicle control system | |
| JP6551647B2 (en) | Vehicle travel control device | |
| US10773722B2 (en) | Method for controlling a motor torque of a hybrid electric vehicle | |
| CN106523688B (en) | Method for crawling moment of torsion control of the freeing vehicle before parking | |
| JP2016118238A (en) | Travel control device of vehicle | |
| JP2012011944A (en) | Coasting control device | |
| KR101610585B1 (en) | Kiss point learning method for engine clutch of hybrid electric vehicle | |
| JP6443277B2 (en) | Automatic transmission control device | |
| CN203283217U (en) | Vehicle hill starting control device and vehicle air braking system using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |