CN114858110B - Detection method and device of clutch position sensor and vehicle - Google Patents
Detection method and device of clutch position sensor and vehicle Download PDFInfo
- Publication number
- CN114858110B CN114858110B CN202210499821.9A CN202210499821A CN114858110B CN 114858110 B CN114858110 B CN 114858110B CN 202210499821 A CN202210499821 A CN 202210499821A CN 114858110 B CN114858110 B CN 114858110B
- Authority
- CN
- China
- Prior art keywords
- time
- clutch
- potential difference
- air pressure
- acceleration
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 84
- 238000007599 discharging Methods 0.000 claims abstract description 72
- 230000008569 process Effects 0.000 claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 230000003068 static effect Effects 0.000 claims abstract description 11
- 230000001133 acceleration Effects 0.000 claims description 142
- 238000012545 processing Methods 0.000 claims description 21
- 230000007935 neutral effect Effects 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims 1
- 238000012795 verification Methods 0.000 abstract description 9
- 230000006870 function Effects 0.000 description 13
- 238000004590 computer program Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The application provides a detection method, a detection device and a detection vehicle of a clutch position sensor, wherein the method comprises the steps of acquiring charging time and discharging time, wherein the charging time is the time of charging the position sensor in the process of acquiring an original signal, and the discharging time is the time of discharging the position sensor in the process of acquiring the original signal; acquiring real-time air pressure detected by an air pressure sensor; according to the real-time air pressure, the charging time and the discharging time, whether a self-learning mechanism is adopted is determined, whether the potential difference of the clutch meets the preset potential difference is determined, the potential difference of the clutch is obtained through looking up a table according to the charging time and the discharging time, and from the aspects of static and dynamic, the potential difference is more in line with the actual requirements of the vehicle, the use safety of the vehicle is improved, no additional detection equipment is required, the vehicle can be realized from the software level, the vehicle cost is saved, and the problem of single verification function of the current clutch position is solved.
Description
Technical Field
The application relates to the technical field of clutches, in particular to a detection method and device of a clutch position sensor and a vehicle.
Background
In the starting or gear shifting process of a mechanical automatic transmission (Automated Mechanical Transmission, abbreviated as AMT), the accuracy and response speed of clutch control are required to be ensured, and the smoothness of starting and the gear shifting success rate can be influenced due to overlarge position deviation or overlarge response speed. Because the working environment of a position sensor arranged on a vehicle is extremely bad and is influenced by factors such as temperature, vibration, electromagnetic interference and the like, position identification is easy to fail during actual running, and when the position identification is severe, a clutch cannot be engaged or separated in response to a control law, so that the phenomenon of gear shifting failure during driving is easy to occur, and the gear shifting performance and the running safety of the vehicle are influenced.
Disclosure of Invention
The application mainly aims to provide a detection method and device of a clutch position sensor and a vehicle, so as to solve the problem of single function of current clutch position verification.
In order to achieve the above object, according to one aspect of the present application, there is provided a detection method of a clutch position sensor, the method comprising: acquiring charging time and discharging time, wherein the charging time is the time of charging a position sensor in the process of acquiring an original signal, and the discharging time is the time of discharging the position sensor in the process of acquiring the original signal; acquiring real-time air pressure detected by an air pressure sensor; and determining whether a self-learning mechanism is adopted according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch meets a preset potential difference or not, wherein the potential difference of the clutch is obtained through looking up a table according to the charging time and the discharging time.
Further, determining whether a self-learning mechanism is employed according to the real-time air pressure, the charging time, and the discharging time, determining whether the potential difference of the clutch satisfies a predetermined potential difference includes: acquiring a first time interval and a second time interval; and under the condition that the charging time is in the first time interval and the discharging time is in the second time interval, determining whether the self-learning mechanism is adopted or not according to the real-time air pressure, and determining whether the potential difference of the clutch meets the preset potential difference or not.
Further, determining whether a self-learning mechanism is adopted according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch meets a predetermined potential difference further comprises: and determining that the position sensor is open-circuited, or short-circuited to ground, or short-circuited to power supply is abnormal in the case that the charging time is equal to 0 and/or the discharging time is equal to 0.
Further, the clutch includes a fast-separating solenoid valve, a fast-closing solenoid valve, a slow-separating solenoid valve and a slow-closing solenoid valve, and determining whether the self-learning mechanism is adopted according to the real-time air pressure, and determining whether the potential difference of the clutch satisfies a predetermined potential difference includes: acquiring a first air pressure interval and a second air pressure interval, wherein the first air pressure interval and the second air pressure interval have no intersection; and under the condition that the real-time air pressure is in the first air pressure interval or the real-time air pressure is in the second air pressure interval, driving one of a quick-separating electromagnetic valve, a quick-closing electromagnetic valve, a slow-separating electromagnetic valve and a slow-closing electromagnetic valve by adopting a preset duty ratio, and comparing the potential difference of the clutch with the preset potential difference by adopting the self-learning mechanism to determine whether the potential difference of the clutch meets the preset potential difference.
Further, when the real-time air pressure is within the first air pressure interval, driving one of a quick-release solenoid valve, a slow-release solenoid valve, and a slow-release solenoid valve with a predetermined duty ratio, and comparing the potential difference of the clutch with the predetermined potential difference with the self-learning mechanism, determining whether the potential difference of the clutch satisfies the predetermined potential difference includes: acquiring a first acceleration of the clutch in the process of independently driving the quick-closing electromagnetic valve, a second acceleration of the clutch in the process of independently driving the quick-closing electromagnetic valve, a third acceleration of the clutch in the process of independently driving the slow-closing electromagnetic valve and a fourth acceleration of the clutch in the process of independently driving the slow-closing electromagnetic valve under the condition that the real-time air pressure is in the first air pressure interval; acquiring a first acceleration interval, a second acceleration interval, a third acceleration interval and a fourth acceleration interval; and when the first acceleration is in the first acceleration interval, the second acceleration is in the second acceleration interval, the third acceleration is in the third acceleration interval, and the fourth acceleration is in the fourth acceleration interval, determining whether the potential difference of the clutch meets the preset potential difference by adopting the self-learning mechanism.
Further, when the real-time air pressure is within the second air pressure interval, driving one of a quick-release solenoid valve, a slow-release solenoid valve, and a slow-release solenoid valve with a predetermined duty ratio, and comparing the potential difference of the clutch with the predetermined potential difference with the self-learning mechanism, determining whether the potential difference of the clutch satisfies the predetermined potential difference includes: acquiring fifth acceleration of the clutch in the process of independently driving the quick-closing electromagnetic valve, sixth acceleration of the clutch in the process of independently driving the quick-closing electromagnetic valve, seventh acceleration of the clutch in the process of independently driving the slow-closing electromagnetic valve and eighth acceleration of the clutch in the process of independently driving the slow-closing electromagnetic valve under the condition that the real-time air pressure is in the second air pressure interval; acquiring a fifth acceleration interval, a sixth acceleration interval, a seventh acceleration interval and an eighth acceleration interval; when the fifth acceleration is in the fifth acceleration interval, the sixth acceleration is in the sixth acceleration interval, the seventh acceleration is in the seventh acceleration interval, and the eighth acceleration is in the eighth acceleration interval, the self-learning mechanism is adopted to determine whether the potential difference of the clutch meets the predetermined potential difference.
Further, determining whether the clutch head satisfies a predetermined head using a self-learning mechanism includes: acquiring a potential difference of the clutch and the predetermined potential difference; a self-learning mechanism is employed to determine whether the clutch head meets a predetermined head by comparing the head of the clutch with the magnitude of the predetermined head.
Further, the triggering conditions of the self-learning mechanism need to include the following conditions at the same time: the gear shifting lever is kept in neutral gear, the running state of the vehicle is idle, the idle speed is that the vehicle is in a static state relative to the ground, and the engine of the vehicle is in a starting state; the oil temperature of the gearbox is in a preset temperature interval; the real-time gradient is smaller than a preset gradient, and the gradient is determined through acceleration; the accelerator pedal opening is less than the low idle opening threshold.
According to another aspect of the present application, there is provided a detection device of a clutch position sensor, the device including a first acquisition unit, a second acquisition unit, and a processing unit; the first acquisition unit is used for acquiring charging time and discharging time, wherein the charging time is the time of charging the position sensor in the process of acquiring an original signal, and the discharging time is the time of discharging the position sensor in the process of acquiring the original signal; the second acquisition unit is used for acquiring the real-time air pressure sensed by the air pressure sensor; the processing unit is used for determining whether a self-learning mechanism is adopted according to the real-time air pressure, the charging time and the discharging time, determining whether the potential difference of the clutch meets the preset potential difference or not, and acquiring the potential difference of the clutch through looking up a table according to the charging time and the discharging time.
According to another aspect of the present application, there is also provided a vehicle including a controller electrically connected to a clutch and a clutch, the controller being configured to execute the detection method of any one of the above-described clutch position sensors.
By adopting the technical scheme of the application, whether the self-learning mechanism is adopted or not is determined according to the real-time air pressure, the charging time and the discharging time, whether the potential difference of the clutch meets the preset potential difference or not is determined, and the application meets the actual requirements of vehicles in terms of static and dynamic aspects, improves the use safety of the vehicles, does not need to additionally increase detection equipment, can be realized from a software level, saves the cost of the vehicles, and solves the problem of single verification function of the position of the current clutch.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 illustrates a flow chart of a method of detecting a clutch position sensor according to an embodiment of the application;
FIG. 2 illustrates a schematic diagram of a detection device of a clutch position sensor according to an embodiment of the present application;
FIG. 3 illustrates a flow chart of a detection scheme of a clutch position sensor according to an embodiment of the application;
fig. 4 shows a schematic diagram of a clutch detection interface according to an embodiment of the application.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Furthermore, in the description and in the claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As described in the background art, because the working environment where the position sensor installed on the vehicle is located is extremely bad and is influenced by factors such as temperature, vibration and electromagnetic interference, the position identification is easy to fail during actual operation, and when the position identification is severe, the clutch cannot be connected or disconnected in response to a control law, so that the phenomenon of gear shifting failure during driving is easy to occur, the gear shifting performance and the vehicle operation safety are influenced, and in order to solve the problem of single function of the current position verification of the clutch, the embodiment of the application provides a detection method and device of the clutch position sensor and the vehicle.
According to an embodiment of the present application, there is provided a detection method of a clutch position sensor.
Fig. 1 is a flowchart of a detection method of a clutch position sensor according to an embodiment of the present application. As shown in fig. 1, the method comprises the steps of:
Step S101, acquiring charging time and discharging time, wherein the charging time is the time of charging a position sensor in the process of acquiring an original signal, and the discharging time is the time of discharging the position sensor in the process of acquiring the original signal;
step S102, acquiring real-time air pressure detected by an air pressure sensor;
step S103, determining whether a self-learning mechanism is adopted according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch meets the preset potential difference, wherein the potential difference of the clutch is obtained through looking up a table according to the charging time and the discharging time.
In the above steps, whether the self-learning mechanism is adopted or not is determined according to the real-time air pressure, the charging time and the discharging time, whether the potential difference of the clutch meets the preset potential difference or not is determined, and from the aspects of static and dynamic, the method is more in line with the actual requirements of the vehicle, improves the use safety of the vehicle, does not need to additionally increase detection equipment, can be realized from a software level, saves the cost of the vehicle, and further solves the problem of single verification function of the position of the current clutch.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowcharts, in some cases the steps illustrated or described may be performed in an order other than that illustrated herein.
In one embodiment of the present application, determining whether a self-learning mechanism is adopted according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch satisfies a predetermined potential difference includes: acquiring a first time interval and a second time interval; and determining whether the self-learning mechanism is adopted or not according to the real-time air pressure under the condition that the charging time is in the first time interval and the discharging time is in the second time interval, and determining whether the potential difference of the clutch meets the preset potential difference or not, thereby achieving the purpose of static detection.
Specifically, when 13us is less than or equal to t1 is less than or equal to 610us, t1 is used for representing the charging time, and the charging process is normal; when t1 is less than 13us or t1 is more than 610us, the collection of the charging process is less than or greater than the available range, the clutch position sensor is normally connected, and the boundary range is required to be recalibrated; when t2 is not less than 4.96us and not more than 258.90us, t2 is used for representing discharge time, and the discharge process is normal; when t2 < 4.96us or t2 > 258.9us, the clutch position sensor is normally connected, and the boundary range needs to be recalibrated.
In one embodiment of the present application, determining whether a self-learning mechanism is adopted according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch satisfies a predetermined potential difference further includes: and when the charging time is equal to 0 and/or the discharging time is equal to 0, determining that the position sensor is open, short-circuited to ground or abnormal to power supply, thereby detecting whether the circuit connection is correct.
In an embodiment of the present application, the clutch includes a fast-separating solenoid valve, a fast-closing solenoid valve, a slow-separating solenoid valve, and a slow-closing solenoid valve, and determining whether the self-learning mechanism is adopted according to the real-time air pressure, and determining whether the potential difference of the clutch satisfies a predetermined potential difference includes: acquiring a first air pressure interval and a second air pressure interval, wherein the first air pressure interval and the second air pressure interval have no intersection; when the real-time air pressure is within the first air pressure interval or the real-time air pressure is within the second air pressure interval, one of a fast solenoid valve, a slow solenoid valve and a slow solenoid valve is driven by a predetermined duty ratio, and the potential difference of the clutch is compared with the predetermined potential difference by the self-learning mechanism, so that whether the potential difference of the clutch satisfies the predetermined potential difference is determined, for example, by driving one of the fast solenoid valve, the slow solenoid valve and the slow solenoid valve by a 100% duty ratio, and comparing the potential difference of the clutch with the predetermined potential difference by the self-learning mechanism, the potential difference of the clutch is determined, and the purpose of dynamic detection is achieved.
In one embodiment of the present application, when the real-time air pressure is within the first air pressure range, driving one of the quick-release solenoid valve, the slow-release solenoid valve, and the slow-release solenoid valve with a predetermined duty ratio, and comparing the clutch head with the predetermined head with the self-learning mechanism, determining whether the clutch head satisfies the predetermined head includes: acquiring a first acceleration of the clutch in the process of independently driving the quick-release solenoid valve, a second acceleration of the clutch in the process of independently driving the quick-release solenoid valve, a third acceleration of the clutch in the process of independently driving the slow-release solenoid valve, and a fourth acceleration of the clutch in the process of independently driving the slow-release solenoid valve when the real-time air pressure is within the first air pressure interval; acquiring a first acceleration interval, a second acceleration interval, a third acceleration interval and a fourth acceleration interval; when the first acceleration is within the first acceleration range, the second acceleration is within the second acceleration range, the third acceleration is within the third acceleration range, and the fourth acceleration is within the fourth acceleration range, the self-learning mechanism is used to determine whether the clutch head satisfies the predetermined head, and one of the quick solenoid valve, the slow solenoid valve, and the slow solenoid valve is driven with a predetermined duty ratio by differentiating the air pressure ranges, thereby detecting the clutch head and improving the accuracy of the detection result.
In one embodiment of the present application, when the real-time air pressure is within the second air pressure range, driving one of the quick-release solenoid valve, the slow-release solenoid valve, and the slow-release solenoid valve with a predetermined duty ratio, and comparing the clutch head with the predetermined head with the self-learning mechanism, determining whether the clutch head satisfies the predetermined head includes: acquiring a fifth acceleration of the clutch in the process of independently driving the quick-release solenoid valve, a sixth acceleration of the clutch in the process of independently driving the quick-release solenoid valve, a seventh acceleration of the clutch in the process of independently driving the slow-release solenoid valve, and an eighth acceleration of the clutch in the process of independently driving the slow-release solenoid valve when the real-time air pressure is in the second air pressure interval; acquiring a fifth acceleration interval, a sixth acceleration interval, a seventh acceleration interval and an eighth acceleration interval; when the fifth acceleration is within the fifth acceleration range, the sixth acceleration is within the sixth acceleration range, the seventh acceleration is within the seventh acceleration range, and the eighth acceleration is within the eighth acceleration range, the self-learning mechanism is used to determine whether the clutch head satisfies the predetermined head, and one of the quick solenoid valve, the slow solenoid valve, and the slow solenoid valve is driven with a predetermined duty ratio by differentiating the air pressure ranges, thereby detecting the clutch head and improving the accuracy of the detection result.
In one embodiment of the present application, determining whether the clutch head satisfies a predetermined head using a self-learning mechanism includes: acquiring a potential difference of the clutch and the predetermined potential difference; by adopting a self-learning mechanism, determining whether the potential difference of the clutch meets the preset potential difference or not by comparing the potential difference of the clutch with the preset potential difference, and calculating the running stroke of the clutch (namely calculating the potential difference of the clutch): when the clutch is separated to the maximum position, subtracting the zero position of the clutch stored in the memory according to the current position acquired by the position sensor, and comparing the zero position with the mechanical design size value and the clutch slip loss value stored in the memory to obtain a clutch position verification result, wherein the memory comprises an EEPROM.
In one embodiment of the present application, the triggering conditions of the self-learning mechanism need to include the following conditions at the same time: the gear shift lever is kept in neutral gear, the running state of the vehicle is idle, the idle speed is that the vehicle is in a static state relative to the ground, and the engine of the vehicle is in a starting state; the oil temperature of the gearbox is in a preset temperature interval; the real-time gradient is smaller than a preset gradient, and the gradient is determined through acceleration; the accelerator pedal has no opening or the opening is smaller than the low idle opening threshold, so that the accuracy of the detection result is ensured.
The embodiment of the application also provides a detection device of the clutch position sensor, and the detection device of the clutch position sensor can be used for executing the detection method for the clutch position sensor. The following describes a detection device of a clutch position sensor provided in an embodiment of the present application.
Fig. 2 is a schematic view of a detection device of a clutch position sensor according to an embodiment of the present application. As shown in fig. 2, the apparatus includes a first acquisition unit 10, a second acquisition unit 20, and a processing unit 30;
the first obtaining unit 10 is configured to obtain a charging time and a discharging time, where the charging time is a time when the position sensor charges during the process of collecting the original signal, and the discharging time is a time when the position sensor discharges during the process of collecting the original signal; the second acquiring unit 20 is configured to acquire the real-time air pressure sensed by the air pressure sensor; the processing unit 30 is configured to determine whether a self-learning mechanism is adopted according to the real-time air pressure, the charging time and the discharging time, and determine whether a potential difference of the clutch satisfies a predetermined potential difference, wherein the potential difference of the clutch is obtained by looking up a table according to the charging time and the discharging time.
In the device, the processing unit determines whether a self-learning mechanism is adopted according to the real-time air pressure, the charging time and the discharging time, and determines whether the potential difference of the clutch meets the preset potential difference, so that the device meets the actual requirements of the vehicle in terms of static and dynamic, improves the use safety of the vehicle, does not need to additionally increase detection equipment, can be realized from a software level, saves the cost of the vehicle, and further solves the problem of single verification function of the position of the current clutch.
In one embodiment of the present application, the processing unit includes a first acquisition module and a first determination module, where the first acquisition module is configured to acquire a first time interval and a second time interval; the first determining module is configured to determine, according to the real-time air pressure, whether to use the self-learning mechanism, and determine whether a potential difference of the clutch satisfies the predetermined potential difference when the charging time is within the first time interval and the discharging time is within the second time interval.
In an embodiment of the application, the processing unit further includes a second determining module, where the second determining module is configured to determine that the position sensor is open, short to ground, or abnormal to power supply when the charging time is equal to 0 and/or the discharging time is equal to 0.
In one embodiment of the present application, the clutch includes a fast-separating solenoid valve, a fast-closing solenoid valve, a slow-separating solenoid valve, and a slow-closing solenoid valve, and the processing module includes a second acquiring module and a third determining module, where the second acquiring module is configured to acquire a first air pressure interval and a second air pressure interval, and the first air pressure interval and the second air pressure interval have no intersection; the third determining module is configured to drive one of the fast-separating solenoid valve, the fast-closing solenoid valve, the slow-separating solenoid valve, and the slow-closing solenoid valve with a predetermined duty ratio when the real-time air pressure is within the first air pressure interval or the real-time air pressure is within the second air pressure interval, and compare a potential difference of the clutch with the predetermined potential difference with the self-learning mechanism to determine whether the potential difference of the clutch satisfies the predetermined potential difference.
In one embodiment of the present application, the third determining module includes a first acquiring submodule, a second acquiring submodule and a first processing submodule, where the first acquiring submodule is configured to acquire a first acceleration of the clutch during the independent driving of the fast solenoid valve, a second acceleration of the clutch during the independent driving of the fast solenoid valve, a third acceleration of the clutch during the independent driving of the slow solenoid valve, and a fourth acceleration of the clutch during the independent driving of the slow solenoid valve, when the real-time air pressure is within the first air pressure interval; the second acquisition submodule is used for acquiring a first acceleration interval, a second acceleration interval, a third acceleration interval and a fourth acceleration interval; the first processing submodule is configured to determine whether the potential difference of the clutch satisfies the predetermined potential difference by using the self-learning mechanism when the first acceleration is within the first acceleration range, the second acceleration is within the second acceleration range, the third acceleration is within the third acceleration range, and the fourth acceleration is within the fourth acceleration range, and to drive one of the fast solenoid valve, the slow solenoid valve, and the slow solenoid valve with a predetermined duty ratio by differentiating the air pressure ranges, thereby performing detection and improving accuracy of a detection result.
In one embodiment of the present application, the third determining module includes a third acquiring sub-module, a fourth acquiring sub-module, and a second processing sub-module; the third obtaining submodule is used for obtaining fifth acceleration of the clutch in the process of independently driving the quick-closing electromagnetic valve, sixth acceleration of the clutch in the process of independently driving the quick-closing electromagnetic valve, seventh acceleration of the clutch in the process of independently driving the slow-closing electromagnetic valve and eighth acceleration of the clutch in the process of independently driving the slow-closing electromagnetic valve when the real-time air pressure is in the second air pressure interval; the fourth acquisition submodule is used for acquiring a fifth acceleration interval, a sixth acceleration interval, a seventh acceleration interval and an eighth acceleration interval; the second processing submodule is configured to determine whether the potential difference of the clutch satisfies the predetermined potential difference by using the self-learning mechanism when the fifth acceleration is in the fifth acceleration section, the sixth acceleration is in the sixth acceleration section, the seventh acceleration is in the seventh acceleration section, and the eighth acceleration is in the eighth acceleration section, and to drive one of the fast solenoid valve, the slow solenoid valve, and the slow solenoid valve by using a predetermined duty ratio by differentiating the air pressure sections, thereby performing detection and improving accuracy of a detection result.
In one embodiment of the present application, the processing unit includes a third acquiring module and a fourth determining module, where the third acquiring module is configured to acquire the potential difference of the clutch and the predetermined potential difference; the fourth determining module is used for determining whether the potential difference of the clutch meets the preset potential difference by comparing the potential difference of the clutch with the preset potential difference by adopting a self-learning mechanism.
According to another aspect of the present application, there is also provided a vehicle including a controller electrically connected to the clutch and a clutch, the controller being configured to execute the detection method of the clutch position sensor.
The detection device of the clutch position sensor comprises a processor and a memory, wherein the first acquisition unit, the second acquisition unit, the processing unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor includes a kernel, and the kernel fetches the corresponding program unit from the memory. The inner core can be provided with one or more than one, and the problem of single checking function of the current clutch position is solved by adjusting the parameters of the inner core.
The memory may include volatile memory, random Access Memory (RAM), and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM), among other forms in computer readable media, the memory including at least one memory chip.
The embodiment of the invention provides a computer readable storage medium, which comprises a stored program, wherein the program is controlled to control equipment where the computer readable storage medium is located to execute the detection method of the clutch position sensor.
The embodiment of the invention provides a processor which is used for running a program, wherein the detection method of the clutch position sensor is executed when the program runs.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program stored in the memory and capable of running on the processor, wherein the processor realizes at least the following steps when executing the program: acquiring charging time and discharging time, wherein the charging time is the time of charging the position sensor in the process of acquiring an original signal, and the discharging time is the time of discharging the position sensor in the process of acquiring the original signal; acquiring real-time air pressure detected by an air pressure sensor; and determining whether a self-learning mechanism is adopted according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch meets a preset potential difference or not, wherein the potential difference of the clutch is obtained through looking up a table according to the charging time and the discharging time. The device herein may be a server, PC, PAD, cell phone, etc.
The application also provides a computer program product adapted to perform, when executed on a data processing device, a program initialized with at least the following method steps: acquiring charging time and discharging time, wherein the charging time is the time of charging the position sensor in the process of acquiring an original signal, and the discharging time is the time of discharging the position sensor in the process of acquiring the original signal; acquiring real-time air pressure detected by an air pressure sensor; and determining whether a self-learning mechanism is adopted according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch meets a preset potential difference or not, wherein the potential difference of the clutch is obtained through looking up a table according to the charging time and the discharging time.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, etc., such as Read Only Memory (ROM) or flash RAM. Memory is an example of a computer-readable medium.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that 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 one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises an element.
Examples
The embodiment of the application also provides a detection scheme of the clutch position sensor, as shown in fig. 3, which comprises the following steps:
step 1: acquiring charging time t1 and discharging time t2, wherein the charging time t1 is the time of charging the position sensor in the process of acquiring an original signal, and the discharging time t2 is the time of discharging the position sensor in the process of acquiring the original signal;
step 2: determining whether the charging time t1 and the discharging time t2 are in a normal range, judging whether the charging time t1 and the discharging time t2 are 0 when the charging time t1 and the discharging time t2 are not in the normal range, and determining that the position sensor is open-circuited or short-circuited to ground or abnormal short-circuited to a power supply when the charging time t1 and the discharging time t2 are 0; modifying the normal range in the case where the charge time t1 and the discharge time t2 are not 0, and repeating the operation of step 2, and performing step 3 in the case where the charge time t1 and the discharge time t2 are within the normal range;
Step 3: judging whether the real-time air pressure is in the range of 8-10 bar, and performing the step 4 under the condition that the real-time air pressure is in the range of 8-10 bar; judging whether the real-time air pressure is in the range of 10-12 bar or not under the condition that the real-time air pressure is not in the range of 8-10 bar, performing step 5 under the condition that the real-time air pressure is in the range of 10-12 bar, determining that the real-time air pressure is insufficient under the condition that the real-time air pressure is not in the range of 10-12 bar, acquiring the real-time air pressure again, and repeating the operation of step 3;
step 4: acquiring a first acceleration a1 of the clutch in the process of independently driving the quick-release solenoid valve, a second acceleration a2 of the clutch in the process of independently driving the quick-release solenoid valve, a third acceleration a3 of the clutch in the process of independently driving the slow-release solenoid valve and a fourth acceleration a4 of the clutch in the process of independently driving the slow-release solenoid valve, and judging whether a first preset condition is met, wherein the first preset condition comprises:
aD1-d1≤a1≤aD1+d1
aE1-d2≤a2≤aE1+d2
aD2-d3≤a3≤aE1+d3
aE2-d4≤a4≤aE2+d4；
outputting a bEna_FullStroke=1 when the first predetermined condition is satisfied, and performing safety control on the corresponding fault when the first predetermined condition is not satisfied; aD1, aE1, aD2 and aE2 are respectively set values of acceleration of a clutch quick-release electromagnetic valve, a slow-release electromagnetic valve and a slow-release electromagnetic valve; d1, d2, d3 and d4 are acceleration offsets when the real-time air pressure is 8-10 bar respectively;
Step 5: acquiring a fifth acceleration a5 of the clutch during the independent driving of the quick-release solenoid valve, a sixth acceleration a6 of the clutch during the independent driving of the quick-release solenoid valve, a seventh acceleration a7 of the clutch during the independent driving of the slow-release solenoid valve, and an eighth acceleration a8 of the clutch during the independent driving of the slow-release solenoid valve, and judging whether a second predetermined condition is satisfied, wherein the second predetermined condition includes:
aD1-e1≤a1≤aD1+e1
aE1-e2≤a2≤aE1+e2
aD2-e3≤a3≤aE1+e3
aE2-e4≤a4≤aE2+e4；
wherein e1, e2, e3 and e4 are acceleration offsets when the real-time air pressure is 10-12 bar respectively, when the second condition is satisfied, the bEna_FullStroke=1 is output, and when the second predetermined condition is not satisfied, the potential difference of the clutch is corrected;
step 6: in the case of the output bena_fullstroke=1, a self-learning mechanism is employed to determine whether the potential difference of the above-described clutch satisfies a predetermined potential difference.
As shown in fig. 4, the clutch detection interface includes a first time pin for acquiring a charging time, a second time pin for acquiring a discharging time, and a position pin for acquiring position information of the clutch.
From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:
1) According to the detection method of the clutch position sensor, whether the self-learning mechanism is adopted or not is determined according to the real-time air pressure, the charging time and the discharging time, whether the potential difference of the clutch meets the preset potential difference or not is determined, and from the aspects of static and dynamic, the detection method is more in line with the actual requirements of vehicles, improves the use safety of the vehicles, does not need to additionally increase detection equipment, can be realized from a software level, saves the cost of the vehicles, and further solves the problem of single verification function of the current clutch position;
2) According to the detection device of the clutch position sensor, whether the self-learning mechanism is adopted or not is determined according to the real-time air pressure, the charging time and the discharging time, whether the potential difference of the clutch meets the preset potential difference or not is determined, and from the aspects of static and dynamic, the detection device is more in line with the actual requirements of vehicles, improves the use safety of the vehicles, does not need to additionally increase detection equipment, can be realized from a software level, saves the cost of the vehicles, and further solves the problem of single verification function of the current clutch position.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. A method of detecting a clutch position sensor, comprising:
acquiring charging time and discharging time, wherein the charging time is the time of charging a position sensor in the process of acquiring an original signal, and the discharging time is the time of discharging the position sensor in the process of acquiring the original signal;
acquiring real-time air pressure detected by an air pressure sensor;
determining whether a self-learning mechanism is adopted according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch meets a preset potential difference, wherein the potential difference of the clutch is obtained through looking up a table according to the charging time and the discharging time;
wherein determining whether a self-learning mechanism is adopted according to the real-time air pressure, the charging time and the discharging time, and determining whether the potential difference of the clutch satisfies a predetermined potential difference includes:
acquiring a first time interval and a second time interval;
determining whether the self-learning mechanism is adopted according to the real-time air pressure under the condition that the charging time is in the first time interval and the discharging time is in the second time interval, and determining whether the potential difference of the clutch meets the preset potential difference;
The clutch comprises a fast-separating electromagnetic valve, a fast-closing electromagnetic valve, a slow-separating electromagnetic valve and a slow-closing electromagnetic valve, and then according to the real-time air pressure, whether the self-learning mechanism is adopted or not is determined, whether the potential difference of the clutch meets the preset potential difference or not is determined, and the method comprises the following steps:
acquiring a first air pressure interval and a second air pressure interval, wherein the first air pressure interval and the second air pressure interval have no intersection;
and under the condition that the real-time air pressure is in the first air pressure interval or the real-time air pressure is in the second air pressure interval, driving one of a quick-separating electromagnetic valve, a quick-closing electromagnetic valve, a slow-separating electromagnetic valve and a slow-closing electromagnetic valve by adopting a preset duty ratio, and comparing the potential difference of the clutch with the preset potential difference by adopting the self-learning mechanism to determine whether the potential difference of the clutch meets the preset potential difference.
2. The method of detecting a clutch position sensor according to claim 1, wherein determining whether a self-learning mechanism is adopted or not based on the real-time air pressure, the charging time, and the discharging time, determining whether a potential difference of the clutch satisfies a predetermined potential difference, further comprises:
And under the condition that the charging time is equal to 0 and/or the discharging time is equal to 0, determining that the position sensor has a preset fault, wherein the preset fault is any one of an open circuit, a short circuit to ground and an abnormality short circuit to a power supply.
3. The method according to claim 1, wherein, in a case where the real-time air pressure is within the first air pressure interval, driving one of a quick-release solenoid valve, the slow-release solenoid valve, and the slow-release solenoid valve with a predetermined duty ratio, and comparing a potential difference of the clutch with the predetermined potential difference with the self-learning mechanism, determining whether the potential difference of the clutch satisfies the predetermined potential difference, comprises:
acquiring a first acceleration of the clutch in the process of independently driving the quick-closing electromagnetic valve, a second acceleration of the clutch in the process of independently driving the quick-closing electromagnetic valve, a third acceleration of the clutch in the process of independently driving the slow-closing electromagnetic valve and a fourth acceleration of the clutch in the process of independently driving the slow-closing electromagnetic valve under the condition that the real-time air pressure is in the first air pressure interval;
Acquiring a first acceleration interval, a second acceleration interval, a third acceleration interval and a fourth acceleration interval;
and when the first acceleration is in the first acceleration interval, the second acceleration is in the second acceleration interval, the third acceleration is in the third acceleration interval, and the fourth acceleration is in the fourth acceleration interval, determining whether the potential difference of the clutch meets the preset potential difference by adopting the self-learning mechanism.
4. The method according to claim 1, wherein, in a case where the real-time air pressure is within the second air pressure interval, driving one of a quick-release solenoid valve, the slow-release solenoid valve, and the slow-release solenoid valve with a predetermined duty ratio, and comparing a potential difference of the clutch with the predetermined potential difference with the self-learning mechanism, determining whether the potential difference of the clutch satisfies the predetermined potential difference, comprises:
acquiring fifth acceleration of the clutch in the process of independently driving the quick-closing electromagnetic valve, sixth acceleration of the clutch in the process of independently driving the quick-closing electromagnetic valve, seventh acceleration of the clutch in the process of independently driving the slow-closing electromagnetic valve and eighth acceleration of the clutch in the process of independently driving the slow-closing electromagnetic valve under the condition that the real-time air pressure is in the second air pressure interval;
Acquiring a fifth acceleration interval, a sixth acceleration interval, a seventh acceleration interval and an eighth acceleration interval;
when the fifth acceleration is in the fifth acceleration interval, the sixth acceleration is in the sixth acceleration interval, the seventh acceleration is in the seventh acceleration interval, and the eighth acceleration is in the eighth acceleration interval, the self-learning mechanism is adopted to determine whether the potential difference of the clutch meets the predetermined potential difference.
5. The method for detecting a clutch position sensor according to any one of claims 1 to 4, wherein determining whether the clutch head satisfies a predetermined head using a self-learning mechanism includes:
acquiring a potential difference of the clutch and the predetermined potential difference;
a self-learning mechanism is employed to determine whether the clutch head meets a predetermined head by comparing the head of the clutch with the magnitude of the predetermined head.
6. The method of detecting a clutch position sensor according to any one of claims 1 to 4, wherein the triggering conditions of the self-learning mechanism need to include both the following conditions:
The gear shifting lever is kept in neutral gear, the running state of the vehicle is idle, the idle speed is that the vehicle is in a static state relative to the ground, and the engine of the vehicle is in a starting state;
the oil temperature of the gearbox is in a preset temperature interval;
the real-time gradient is smaller than a preset gradient, and the gradient is determined through acceleration;
the accelerator pedal opening is less than the low idle opening threshold.
7. A detection device of a clutch position sensor, characterized by comprising:
the first acquisition unit is used for acquiring charging time and discharging time, wherein the charging time is the time of charging the position sensor in the process of acquiring an original signal, and the discharging time is the time of discharging the position sensor in the process of acquiring the original signal;
the second acquisition unit is used for acquiring the real-time air pressure sensed by the air pressure sensor;
the processing unit is used for determining whether a self-learning mechanism is adopted according to the real-time air pressure, the charging time and the discharging time, determining whether the potential difference of the clutch meets the preset potential difference or not, and acquiring the potential difference of the clutch by looking up a table according to the charging time and the discharging time;
Wherein the processing unit comprises:
the first acquisition module is used for acquiring a first time interval and a second time interval;
the first determining module is used for determining whether the self-learning mechanism is adopted or not according to the real-time air pressure under the condition that the charging time is in the first time interval and the discharging time is in the second time interval, and determining whether the potential difference of the clutch meets the preset potential difference or not;
wherein, the clutch includes fast solenoid valve, slow solenoid valve and slow solenoid valve that closes soon, first determination module includes:
the second acquisition module is used for acquiring a first air pressure interval and a second air pressure interval, and the first air pressure interval and the second air pressure interval have no intersection;
and the third determining module is used for driving one of the quick-separating electromagnetic valve, the quick-closing electromagnetic valve, the slow-separating electromagnetic valve and the slow-closing electromagnetic valve by adopting a preset duty ratio and comparing the potential difference of the clutch with the preset potential difference by adopting the self-learning mechanism under the condition that the real-time air pressure is in the first air pressure interval or the real-time air pressure is in the second air pressure interval, so as to determine whether the potential difference of the clutch meets the preset potential difference.
8. A vehicle comprising a controller and a clutch, the controller being electrically connected to the clutch, the controller being configured to perform the method of detecting the clutch position sensor according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210499821.9A CN114858110B (en) | 2022-05-09 | 2022-05-09 | Detection method and device of clutch position sensor and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210499821.9A CN114858110B (en) | 2022-05-09 | 2022-05-09 | Detection method and device of clutch position sensor and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114858110A CN114858110A (en) | 2022-08-05 |
| CN114858110B true CN114858110B (en) | 2023-12-15 |
Family
ID=82638118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210499821.9A Active CN114858110B (en) | 2022-05-09 | 2022-05-09 | Detection method and device of clutch position sensor and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114858110B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0901932A2 (en) * | 1997-09-12 | 1999-03-17 | Isuzu Motors Limited | Apparatus for engine speed and clutch engagement control |
| CN101118689A (en) * | 2006-07-31 | 2008-02-06 | 许丰 | Remote-control adaptation device |
| WO2008122213A1 (en) * | 2007-04-09 | 2008-10-16 | Hua Zhao | Control method and device of engines |
| JP2010030429A (en) * | 2008-07-29 | 2010-02-12 | Nissan Motor Co Ltd | Clutch control device for vehicle |
| CN103335587A (en) * | 2013-07-02 | 2013-10-02 | 潍柴动力股份有限公司 | Online checking method and device for position sensor |
| CN104343973A (en) * | 2013-07-29 | 2015-02-11 | 爱信精机株式会社 | Clutch learning apparatus |
| DE102014218544A1 (en) * | 2014-09-16 | 2016-03-17 | Schaeffler Technologies AG & Co. KG | Sensorike unit for determining a rotor position of an electric motor and an electric motor, vozugsweise for a clutch actuator of a clutch actuation system of a motor vehicle |
| US9702315B1 (en) * | 2008-11-14 | 2017-07-11 | Brian Palmer | System for enhanced vehicle performance and efficiency |
| CN107734455A (en) * | 2017-10-25 | 2018-02-23 | 维沃移动通信有限公司 | A kind of method, terminal and the readable storage medium storing program for executing of positional information record |
| KR20190100114A (en) * | 2019-08-09 | 2019-08-28 | 엘지전자 주식회사 | Battery device and controlling method thereof |
| CN110651135A (en) * | 2017-06-07 | 2020-01-03 | 舍弗勒技术股份两合公司 | Method and device for determining the absolute position of a component of an actuator, in particular a clutch actuator, which rotates about an axis of rotation |
| CN111350814A (en) * | 2018-12-24 | 2020-06-30 | 长城汽车股份有限公司 | Oil filling time or oil filling pressure calibration method and system of clutch and vehicle |
| CN112576726A (en) * | 2020-12-16 | 2021-03-30 | 潍柴动力股份有限公司 | Parallel vehicle clutch self-learning method, device, equipment, medium and product |
| CN112664646A (en) * | 2021-01-04 | 2021-04-16 | 潍柴动力股份有限公司 | Clutch control method, device, equipment, medium and product |
| DE102020102063B3 (en) * | 2020-01-29 | 2021-05-27 | Schaeffler Technologies AG & Co. KG | Clutch actuator, detection system and method for detecting an angular position of a rotating component |
| CN113090406A (en) * | 2021-04-08 | 2021-07-09 | 联合汽车电子有限公司 | Self-learning method, vehicle and readable storage medium |
| CN113131565A (en) * | 2016-06-01 | 2021-07-16 | 华为技术有限公司 | Charging method and terminal |
| CN114046319A (en) * | 2021-11-11 | 2022-02-15 | 潍柴动力股份有限公司 | AMT clutch position correction method and system |
| CN114046318A (en) * | 2021-11-25 | 2022-02-15 | 潍柴动力股份有限公司 | Cylinder pressure-based clutch control method, device and equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10115217C1 (en) * | 2001-03-28 | 2002-08-14 | Bosch Gmbh Robert | Method for determining the angular position of a vehicle |
| US8374740B2 (en) * | 2010-04-23 | 2013-02-12 | GM Global Technology Operations LLC | Self-learning satellite navigation assisted hybrid vehicle controls system |
| US11237546B2 (en) * | 2016-06-15 | 2022-02-01 | Strong Force loT Portfolio 2016, LLC | Method and system of modifying a data collection trajectory for vehicles |
-
2022
- 2022-05-09 CN CN202210499821.9A patent/CN114858110B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0901932A2 (en) * | 1997-09-12 | 1999-03-17 | Isuzu Motors Limited | Apparatus for engine speed and clutch engagement control |
| CN101118689A (en) * | 2006-07-31 | 2008-02-06 | 许丰 | Remote-control adaptation device |
| WO2008122213A1 (en) * | 2007-04-09 | 2008-10-16 | Hua Zhao | Control method and device of engines |
| JP2010030429A (en) * | 2008-07-29 | 2010-02-12 | Nissan Motor Co Ltd | Clutch control device for vehicle |
| US9702315B1 (en) * | 2008-11-14 | 2017-07-11 | Brian Palmer | System for enhanced vehicle performance and efficiency |
| CN103335587A (en) * | 2013-07-02 | 2013-10-02 | 潍柴动力股份有限公司 | Online checking method and device for position sensor |
| CN104343973A (en) * | 2013-07-29 | 2015-02-11 | 爱信精机株式会社 | Clutch learning apparatus |
| DE102014218544A1 (en) * | 2014-09-16 | 2016-03-17 | Schaeffler Technologies AG & Co. KG | Sensorike unit for determining a rotor position of an electric motor and an electric motor, vozugsweise for a clutch actuator of a clutch actuation system of a motor vehicle |
| CN113131565A (en) * | 2016-06-01 | 2021-07-16 | 华为技术有限公司 | Charging method and terminal |
| CN110651135A (en) * | 2017-06-07 | 2020-01-03 | 舍弗勒技术股份两合公司 | Method and device for determining the absolute position of a component of an actuator, in particular a clutch actuator, which rotates about an axis of rotation |
| CN107734455A (en) * | 2017-10-25 | 2018-02-23 | 维沃移动通信有限公司 | A kind of method, terminal and the readable storage medium storing program for executing of positional information record |
| CN111350814A (en) * | 2018-12-24 | 2020-06-30 | 长城汽车股份有限公司 | Oil filling time or oil filling pressure calibration method and system of clutch and vehicle |
| KR20190100114A (en) * | 2019-08-09 | 2019-08-28 | 엘지전자 주식회사 | Battery device and controlling method thereof |
| DE102020102063B3 (en) * | 2020-01-29 | 2021-05-27 | Schaeffler Technologies AG & Co. KG | Clutch actuator, detection system and method for detecting an angular position of a rotating component |
| CN112576726A (en) * | 2020-12-16 | 2021-03-30 | 潍柴动力股份有限公司 | Parallel vehicle clutch self-learning method, device, equipment, medium and product |
| CN112664646A (en) * | 2021-01-04 | 2021-04-16 | 潍柴动力股份有限公司 | Clutch control method, device, equipment, medium and product |
| CN113090406A (en) * | 2021-04-08 | 2021-07-09 | 联合汽车电子有限公司 | Self-learning method, vehicle and readable storage medium |
| CN114046319A (en) * | 2021-11-11 | 2022-02-15 | 潍柴动力股份有限公司 | AMT clutch position correction method and system |
| CN114046318A (en) * | 2021-11-25 | 2022-02-15 | 潍柴动力股份有限公司 | Cylinder pressure-based clutch control method, device and equipment |
Non-Patent Citations (1)
| Title |
|---|
| AMT控制器的系统安全性设计;黄全安;宋健;章国胜;李磊;;清华大学学报(自然科学版)(第11期);第99-103页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114858110A (en) | 2022-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113756907B (en) | Engine oil pressure control method and device and vehicle | |
| CN112460253B (en) | Control method for time step length of quick oil filling stage of automatic transmission | |
| KR20120026621A (en) | Vehicle controller | |
| US5119696A (en) | Jolt control system for drive system | |
| KR20130131478A (en) | Method and system for determination of a need for contact point adaptation | |
| CN110307266B (en) | Oil filling control method and device for clutch | |
| CN114858110B (en) | Detection method and device of clutch position sensor and vehicle | |
| CN104340229A (en) | Method for determination of at least a drag torque effective on the input side of an automatic motor vehicle transmission | |
| CN103569121B (en) | System and method for controlling power transmission system of vehicle | |
| CN113335281B (en) | Dual-clutch vehicle starting control method and system | |
| CN106438979B (en) | For controlling the devices and methods therefor of automatic transmission | |
| DE102012200452B3 (en) | Method for determination of internal leakage at automatic gear box in vehicle, involves forming average value of saturation rotation speeds, and determining internal leakage of gear box from saturation speed by pumping conveyance detection | |
| KR20170068288A (en) | Shift control method for vehicle | |
| US9969395B1 (en) | Lash mitigation | |
| CN112253746B (en) | Double-clutch fault detection method and device and storage medium | |
| US8762016B2 (en) | Method and control device for controlling a positively locking shift element of a transmission | |
| CN101737488A (en) | Method and system for controlling transmission | |
| GB2555850B (en) | Controlling a transmission system for a vehicle | |
| CN115046006B (en) | Torque determination method and device of hydraulic torque converter and electronic equipment | |
| CN112799438B (en) | Oil state control method and device of transfer case and vehicle | |
| CN115095407B (en) | Diesel engine oil pressure control method and system | |
| CN112277925A (en) | Vehicle speed adjusting method and device and electronic equipment | |
| CN111255886B (en) | Method and control unit for determining a reference value of a sensor | |
| CN117052889A (en) | Intermediate shaft brake control method, device and equipment | |
| SE542258C2 (en) | A method for clutch torque adaptation, a control unit for clutch torque adaptation, a vehicle comprising such a control unit, a computer program and a computer-readable medium |
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 |