CN116394683A - Intelligent management system for tire pressure and tire temperature of tire - Google Patents
Intelligent management system for tire pressure and tire temperature of tire Download PDFInfo
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- CN116394683A CN116394683A CN202310466332.8A CN202310466332A CN116394683A CN 116394683 A CN116394683 A CN 116394683A CN 202310466332 A CN202310466332 A CN 202310466332A CN 116394683 A CN116394683 A CN 116394683A
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- 230000005540 biological transmission Effects 0.000 claims description 10
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/18—Tyre cooling arrangements, e.g. heat shields
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/20—Devices for measuring or signalling tyre temperature only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/34—Alighting gear characterised by elements which contact the ground or similar surface wheeled type, e.g. multi-wheeled bogies
- B64C25/36—Arrangements or adaptations of wheels, tyres or axles in general
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D43/00—Arrangements or adaptations of instruments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C2200/00—Tyres specially adapted for particular applications
- B60C2200/02—Tyres specially adapted for particular applications for aircrafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses an intelligent management system for tire pressure and tire temperature of a tire, which can more accurately promote the safety management of the tire pressure and the tire temperature of an aircraft and promote the safety coefficient of take-off and landing of the aircraft. The technical proposal is as follows: the sensor is used for updating the information of the surrounding environment, the position and the flying height of the airplane, so as to estimate whether the tire pressure of the tire of the airplane meets the requirement of the subsequent flying action. Simultaneously, the change of real-time supervision child temperature, tire pressure is through mending, pressure release device, heat sink realization is handled the tire condition in time when mending pressure, pressure release, cooling down, closes the device after reaching the condition of needs. Particularly, the method for estimating the tire temperature and the tire pressure can estimate the tire pressure and the tire temperature required in different scenes in advance.
Description
Technical Field
The invention relates to an intelligent management technology of tire parameters, in particular to an intelligent management system of tire pressure and tire temperature of a tire, and particularly relates to a management system of the tire pressure and the tire temperature of an aircraft tire.
Background
Tire pressure and tire temperature of an aircraft tire are one of the important parameters in the operation of the aircraft. Insufficient tire pressure or excessive tire temperature can have serious influence on the running safety of the aircraft. Therefore, monitoring of the tire pressure and temperature is indispensable in aircraft operation.
The traditional tire pressure and temperature monitoring method needs professional personnel to check regularly, and is large in workload and low in efficiency.
The electronic monitoring is used, for example, the tire pressure testing equipment is connected to monitor and remind the tire pressure change condition, the real-time state can be monitored, the risk of follow-up conditions cannot be estimated, and the problems of too high, too low tire pressure and too high tire temperature cannot be solved in real time.
In addition, the prior art still uses pure tire pressure and tire temperature indexes to test, and does not consider factors of environmental changes of the aircraft tire, such as the difference of environments of taking off and landing of the aircraft, the rapid temperature rise after landing and the like, and the tire pressure requirements on the tire are different under different external environments; meanwhile, the pure test cannot predict the requirement of the subsequent environment change on the tire pressure change, and the optimal state of the tire pressure and the tire temperature of the aircraft cannot be achieved when the tire pressure and the tire temperature are subjected to the extreme environment change.
Therefore, an intelligent system capable of automatically managing the tire pressure and temperature of an aircraft tire is necessary.
Disclosure of Invention
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
The invention aims to solve the problems and provides an intelligent management system for tire pressure and tire temperature of a tire, which can more accurately promote the safety management of the tire pressure and the tire temperature of an aircraft and promote the safety coefficient of take-off and landing of the aircraft.
The technical scheme of the invention is as follows: the invention discloses an intelligent management system for tire pressure and tire temperature, which comprises a data acquisition module, a management control server, a tire pressure and tire temperature control module and a calculation server, wherein:
the data acquisition module is used for acquiring parameter information, including environmental parameters and organism information, and transmitting the acquired parameter information to the calculation server through the management control server;
the calculation server is used for predicting the tire pressure and the tire temperature of the tire according to the parameter information received from the data acquisition module and sending the prediction result to the management control server;
the management control server is used for comparing the tire pressure and the tire temperature predicted by the calculation server with the tire pressure and the tire temperature measured at present, sending an alarm if the comparison result shows an abnormal condition, and automatically sending an operation instruction to the tire pressure and tire temperature control module;
the tire pressure and temperature control module is used for adjusting the tire pressure and temperature of the tire after receiving the operation instruction.
According to one embodiment of the intelligent management system for tire pressure and tire temperature, the management control server is respectively in signal connection with the data acquisition module, the calculation server, the user interface module and the tire pressure and tire temperature control module.
According to an embodiment of the intelligent management system for tire pressure and tire temperature, the data acquisition module comprises an environmental data acquisition module, a tire pressure self-checking module and an organism information transmission module, wherein:
the environment data acquisition module acquires the temperature, humidity and tire temperature of the environment through the sensor;
the engine body information transmission module is used for acquiring engine body information, including the weight of an engine body, the speed of an airplane and the take-off/landing state;
and the tire pressure self-checking module monitors the tire pressure and converts the tire pressure into a digital signal for transmission.
According to an embodiment of the intelligent management system for tire pressure and tire temperature, the tire pressure and tire temperature control module comprises a tire pressurizing and pressure releasing module and a tire cooling module, wherein:
the tire pressure boosting and relieving module is used for boosting or relieving the tire pressure after receiving the operation instruction and controlling the tire pressure;
and the tire cooling module is used for controlling cooling of the forum temperature after receiving the operation instruction.
According to an embodiment of the intelligent management system for tire pressure and tire temperature of the present invention, the system further comprises:
the user interface module is used for displaying the tire pressure and the tire temperature data after the management control server compares the abnormality, displaying alarm information of the abnormal condition of the tire pressure and the tire temperature, displaying confirmation of the next operation when the abnormal condition occurs, and enabling personnel to interact with the system through the user interface module.
According to an embodiment of the intelligent management system for tire pressure and tire temperature of the present invention, the calculation server is further configured to calculate the tire pressure according to the collected initial static tire pressure p 1 Initial tire temperature t 1 Flying speed v 0 Setting static friction coefficient mu of aircraft tire and runway s Maximum ground speed v max Coefficient of friction mu at the time m Aircraft lift coefficient C L Coefficient of drag C of aircraft D And (3) predicting the tire temperature and tire pressure of the aircraft tire by using the aircraft mass m and the heat temperature conversion coefficient alpha.
According to an embodiment of the intelligent management system for tire pressure and tire temperature, the tire temperature value predicted by the calculation server is:
in the above, t 1 For static monitoring of tire temperature before take-off, Δt is the temperature change generated by the tire during take-off or landing, Δt 1 For the predicted tire temperature change caused by the external environment, k is a state parameter, if and only if the running state of the airplane in take-off or landing is 1, the rest time is 0, alpha is a heat temperature conversion coefficient, and is presetConstant, mu i For the friction coefficient of the aircraft tyre and the airport ground, N i For the contact pressure of the aircraft tyre with the airport ground, L i For the distance of take-off or landing, the running process is divided into n successive friction sub-processes, n being a predetermined constant.
According to an embodiment of the intelligent management system for tire pressure and tire temperature, the tire pressure value predicted by the calculation server is:
P＝p 1 +Δp＝p 1 +A·Δt
in the above, p 1 For static monitoring of the tire pressure before take-off, Δp is the tire pressure change caused by take-off or landing, a is the tire pressure change caused by unit temperature, a fixed constant set in advance for a specific tire, and Δt is the temperature change of the tire in the flight predicted in the first part.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the update of the surrounding environment information, the position and the flying height information of the airplane is realized through the sensor, so that whether the tire pressure of the tire of the airplane meets the requirement of the subsequent flying action is estimated. Simultaneously, the change of real-time supervision child temperature, tire pressure is through mending, pressure release device, heat sink realization is handled the tire condition in time when mending pressure, pressure release, cooling down, closes the device after reaching the condition of needs. Particularly, the method for estimating the tire temperature and the tire pressure can estimate the tire pressure and the tire temperature required in different scenes in advance.
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The above features and advantages of the present invention will be better understood after reading the detailed description of embodiments of the present disclosure in conjunction with the following drawings. In the drawings, the components are not necessarily to scale and components having similar related features or characteristics may have the same or similar reference numerals.
Fig. 1 shows a schematic diagram of an embodiment of the intelligent management system for tire pressure and tire temperature of the present invention.
Detailed Description
The invention is described in detail below with reference to the drawings and the specific embodiments. It is noted that the aspects described below in connection with the drawings and the specific embodiments are merely exemplary and should not be construed as limiting the scope of the invention in any way.
Fig. 1 illustrates the principle of an embodiment of the intelligent management system for tire pressure and tire temperature of the present invention. Referring to fig. 1, the system of the present embodiment includes: the tire pressure and temperature control system comprises a data acquisition module, a management control server, a tire pressure and temperature control module, a calculation server and a user interface module.
The management control server is respectively in signal connection with the data acquisition module, the calculation server, the user interface module and the tire pressure and tire temperature control module.
The data acquisition module comprises an environment data acquisition module, a tire pressure self-checking module and an organism information transmission module. The tire pressure and temperature control module comprises a tire pressurizing and pressure releasing module and a tire cooling module.
The data acquisition module and the tire pressure and tire temperature control module are arranged in the tire and are used for acquiring various parameter information, including environmental parameters (such as the temperature and humidity of the environment and the temperature of the tire) and body information (such as the weight of a body, the speed of an airplane and the take-off/landing state). The environmental data acquisition module acquires the temperature, humidity and tire temperature of the environment through sensors (such as humidity sensors, temperature sensors and the like). The body information transmission module collects body information (such as body weight, airplane speed, take-off/landing status). The tire pressure self-checking module, namely the tire pressure sensor, can monitor the air pressure in the tire of the vehicle, and converts the air pressure into a digital signal and transmits the data to the electric control system by sensing the air pressure in the tire. In the system, the tire pressure self-checking module can monitor the pressure data of the tire in real time, firstly provides a basic pressure coefficient, and secondly compares the basic pressure coefficient with the tire pressure of the pre-estimating system. In an actual scenario, for example, a tire temperature and pressure monitor is used to collect tire pressure and tire temperature, so as to realize real-time comparison with an estimated value calculated by a system.
The data acquisition module adopts a wireless transmission mode to transmit the acquired parameter information (including the data of the environment data acquisition module, the tire pressure self-checking module and the organism information transmission module) to the calculation server through the management control server. The calculation server is used for predicting the tire pressure and the tire temperature of the tire based on the parameter information received from the data acquisition module, and sending the prediction result to the management control server.
The management control server compares the tire pressure and the tire temperature predicted by the calculation server with the tire pressure and the tire temperature measured at present, if the comparison result shows an abnormal condition, an alarm is sent out, the tire pressure and the tire temperature data are displayed through the user interface module, and meanwhile, alarm information of the abnormal condition of the tire pressure and the tire temperature is displayed; if abnormal conditions occur, confirmation (such as pressurization, pressure relief, cooling and the like) of the next operation is displayed, and the operation can be automatically realized or performed after confirmation through a user interface module by personnel. And the operation instruction sent by the management control server is transmitted to the tire pressure and tire temperature control module.
The tire pressure and temperature control module is used for adjusting the tire pressure and temperature of the tire after receiving the operation instruction. The tire pressure boosting and relieving module is used for boosting or relieving the tire pressure after receiving the operation command and controlling the tire pressure. The tire cooling module is used for controlling cooling of the forum temperature after receiving the operation instruction.
The calculation server calculates the initial static tire pressure p according to the collected tire pressure 1 Initial tire temperature t 1 Flying speed v 0 Setting static friction coefficient mu of aircraft tire and runway s Maximum sliding friction coefficient mu of tyre m And the corresponding velocity v in this state max Aircraft lift coefficient C L Coefficient of drag C of aircraft D The aircraft mass m, the heat temperature conversion coefficient alpha, and the tire temperature and tire pressure of the aircraft tire are predicted, respectively, as follows.
1. Predicting the tire temperature: t=t 1 +Δt＝t 1 +(ΔT 1 +k·ΔT 2 )
t 1 For static monitoring of tire temperature before take-off, Δt is the temperature change generated by the tire during take-off or landing, Δt 1 Delta T is a temperature change caused by the external environment of the flight 2 For the variation of tyre temperature caused by friction during running of take-off or landing, k being a state parameterThe number is 1 if and only if the aircraft is in a running state of taking off or landing, and the rest time is 0.
ΔT 1 Tire temperature change for predicted external environment:
ΔT 1 ＝t 2 -t 1 ，t 2 for predicting the external environment temperature of the aircraft at the future time point, t 1 The tire temperature is monitored statically before take-off.
ΔT 2 In order to ensure that the predicted friction between the airport ground and the airplane tire causes the temperature generated by the tire to change in the running state:
ΔT 2 α is a heat temperature conversion coefficient, and Q is heat generated by friction between tires and airfield runways during take-off and landing. The heat generated by friction Q was predicted using the following algorithm:
Q＝∑Q i ＝∑μ i N i L i i=1, 2, dividing the sliding process into n segments of successive friction sub-processes, n is a constant determined in advance. In each sub-process, Q i Mu, the heat generated by friction in the sub-process i For the friction coefficient of the aircraft tyre and the airport ground, N i For the contact pressure of the aircraft tyre with the airport ground, L i For the distance of run-off or landing.
In predictive calculation, the final speed of the aircraft landing on the ground or the initial speed v of the landing contact is input 0 Or the ground speed detected by the sensor, v 0 The maximum safe speed of the machine type landing cannot be exceeded. The system is in [0, v 0 ]In the interval of (1), n-1 equidistant points are selected to form [0, v ] 1 ],...,[v n-1 ,v 0 ]Each section corresponds to a section of friction sub-process, and the end points of the sections are the initial speed and the final speed of the aircraft in the sub-process. Further, the method can be calculated to obtain:
Wherein m is the mass of the aircraft, C L Lift coefficient of aircraft, C D Is the drag coefficient of the aircraft, mu s For the static coefficient of friction, mu, of the tyre with the airport ground m The maximum coefficient of sliding friction that can be produced for such tires, i.e. the corresponding aircraft speed v max Coefficient of friction at time (. Mu. m ,v max The intrinsic attribute parameters of the tire, which can be determined experimentally), are all preset parameters. B (B) 0 Eta are all fixed parameters in the model (which can be determined experimentally for a particular scene and are usually set to B 0 =4.57, η=0.33). h is a model parameter, and is obtained by the following mode:
The final to predicted tire temperature values were:
in the above, t 1 For static monitoring of tire temperature before take-off, Δt is the temperature change generated by the tire during take-off or landing, Δt 1 For the predicted tire temperature change caused by the external environment, k is a state parameter, if and only if the running state of the airplane in take-off or landing is 1, the rest time is 0, alpha is a heat temperature conversion coefficient, and is a preset fixed constant, mu i For the friction coefficient of the aircraft tyre and the airport ground, N i For the contact pressure of the aircraft tyre with the airport ground, L i For the distance of take-off or landing, the running process is divided into n successive friction sub-processes, n being a predetermined constant.
2. Predicting tire pressure: p=p 1 +Δp＝p 1 +A·Δt
p 1 For static monitoring of the tire pressure before take-off, Δp is the tire pressure change caused by take-off or landing, a is the tire pressure change caused by unit temperature, a fixed constant set in advance for a specific tire, and Δt is the temperature change of the tire in the flight predicted in the first part.
While, for purposes of simplicity of explanation, the methodologies are shown and described as a series of acts, it is to be understood and appreciated that the methodologies are not limited by the order of acts, as some acts may, in accordance with one or more embodiments, occur in different orders and/or concurrently with other acts from that shown and described herein or not shown and described herein, as would be understood and appreciated by those skilled in the art.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The various illustrative logical blocks, modules, and circuits described in connection with the embodiments disclosed herein may be implemented or performed with a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. In the alternative, the processor and the storage medium may reside as discrete components in a user terminal.
In one or more exemplary embodiments, the functions described may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software as a computer program product, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a computer. By way of example, and not limitation, such computer-readable media can comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. Any connection is properly termed a computer-readable medium. For example, if the software is transmitted from a web site, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of medium. Disk (disk) and disc (disk) as used herein include Compact Disc (CD), laser disc, optical disc, digital Versatile Disc (DVD), floppy disk and blu-ray disc where disks (disk) usually reproduce data magnetically, while discs (disk) reproduce data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.
The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The intelligent management system for the tire pressure and the tire temperature of the tire is characterized by comprising a data acquisition module, a management control server, a tire pressure and tire temperature control module and a calculation server, wherein:
the data acquisition module is used for acquiring parameter information, including environmental parameters and organism information, and transmitting the acquired parameter information to the calculation server through the management control server;
the calculation server is used for predicting the tire pressure and the tire temperature of the tire according to the parameter information received from the data acquisition module and sending the prediction result to the management control server;
the management control server is used for comparing the tire pressure and the tire temperature predicted by the calculation server with the tire pressure and the tire temperature measured at present, sending an alarm if the comparison result shows an abnormal condition, and automatically sending an operation instruction to the tire pressure and tire temperature control module;
the tire pressure and temperature control module is used for adjusting the tire pressure and temperature of the tire after receiving the operation instruction.
2. The intelligent management system of tire pressure and tire temperature according to claim 1, wherein the management control server is in signal connection with the data acquisition module, the calculation server, the user interface module and the tire pressure and tire temperature control module respectively.
3. The intelligent management system of tire pressure and temperature according to claim 1, wherein the data acquisition module comprises an environmental data acquisition module, a tire pressure self-checking module, and an organism information transmission module, wherein:
the environment data acquisition module acquires the temperature, humidity and tire temperature of the environment through the sensor;
the engine body information transmission module is used for acquiring engine body information, including the weight of an engine body, the speed of an airplane and the take-off/landing state;
and the tire pressure self-checking module monitors the tire pressure and converts the tire pressure into a digital signal for transmission.
4. The intelligent tire pressure and temperature management system of claim 1, wherein the tire pressure and temperature control module comprises a tire pressure increasing and pressure releasing module and a tire cooling module, wherein:
the tire pressure boosting and relieving module is used for boosting or relieving the tire pressure after receiving the operation instruction and controlling the tire pressure;
and the tire cooling module is used for controlling cooling of the forum temperature after receiving the operation instruction.
5. The intelligent management system for tire pressure and temperature according to claim 1, further comprising:
the user interface module is used for displaying the tire pressure and the tire temperature data after the management control server compares the abnormality, displaying alarm information of the abnormal condition of the tire pressure and the tire temperature, displaying confirmation of the next operation when the abnormal condition occurs, and enabling personnel to interact with the system through the user interface module.
6. The intelligent management system of tire pressure and temperature according to claim 1, wherein the computing server is further configured to, based on the collected initial static tire pressure p 1 Initial tire temperature t 1 Flying speed v 0 Setting static friction coefficient mu of aircraft tire and runway s Maximum ground speed v max Coefficient of friction mu at the time m Aircraft lift coefficient C L Coefficient of drag C of aircraft D And (3) predicting the tire temperature and tire pressure of the aircraft tire by using the aircraft mass m and the heat temperature conversion coefficient alpha.
7. The intelligent management system for tire pressure and temperature according to claim 6, wherein the tire temperature value predicted by the calculation server is:
in the above, t 1 For static monitoring of tire temperature before take-off, Δt is the temperature change generated by the tire during take-off or landing, Δt 1 For the predicted tire temperature change caused by the external environment, k is a state parameter, if and only if the running state of the airplane in take-off or landing is 1, the rest time is 0, alpha is a heat temperature conversion coefficient, and is a preset fixed constant, mu i For the friction coefficient of the aircraft tyre and the airport ground, N i For the contact pressure of the aircraft tyre with the airport ground, L i For the distance of take-off or landing, the running process is divided into n successive friction sub-processes, n being a predetermined constant.
8. The intelligent management system for tire pressure and temperature according to claim 6, wherein the tire pressure value predicted by the calculation server is:
P＝p 1 +Δp＝p 1 +A·Δt
in the above, p 1 For static monitoring of the tire pressure before take-off, Δp is the tire pressure change caused by take-off or landing, a is the tire pressure change caused by unit temperature, a fixed constant set in advance for a specific tire, and Δt is the temperature change of the tire in the flight predicted in the first part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310466332.8A CN116394683A (en) | 2023-04-26 | 2023-04-26 | Intelligent management system for tire pressure and tire temperature of tire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310466332.8A CN116394683A (en) | 2023-04-26 | 2023-04-26 | Intelligent management system for tire pressure and tire temperature of tire |
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| CN116394683A true CN116394683A (en) | 2023-07-07 |
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| CN202310466332.8A Pending CN116394683A (en) | 2023-04-26 | 2023-04-26 | Intelligent management system for tire pressure and tire temperature of tire |
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- 2023-04-26 CN CN202310466332.8A patent/CN116394683A/en active Pending
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