282results about "Tyre measurements" patented technology

A double-use nozzle adapter includes a main body, a switch unit, and a needle unit. The switch unit includes a shifting member and a rigid retaining member. The rigid retaining member is arranged between the shifting member and the main body. The shifting member shifts the rigid retaining member between a first position and a second position. The needle unit is slidably installed in the main body and includes a needle. In the first position, the shifting member drives the rigid retaining member to press against the needle, thereby preventing the needle from moving with respect to the main body and making the needle connectable to a Schrader valve. In the second position, the rigid retaining member moves between the shifting member and the main body, so as to allow the needle to move with respect to the main body and make the needle connectable to a Presta valve.

Calibration method (200), and related system (100), of a sensor (70) for tyres, comprising, with the sensor (70) mounted at a crown portion (31 ) of a tyre (99) and during an advancement of a vehicle onto which the tyre (99) is fitted: a) acquiring (1 ), from the sensor (70), a motion signal representative of a motion of the crown portion (31 ); b) acquiring (2) a respective current value of one or more operating conditions of the tyre (99); c) processing (3) the motion signal for obtaining from the motion signal a first value representative of a calibration physical quantity associated with the motion of the crown portion (31 ) at said respective current value of the one or more operating conditions; d) calculating (4) a second value representative of the calibration physical quantity at the respective current value of the oonnee or more operating conditions, by a predetermined mathematical correlation between the calibration physical quantity and the one or more operating conditions; e) iterating steps a), b), c) and d) for obtaining a first set of first values representative of the calibration physical quantity varying the respective current value of the one or more operating conditions, and a corresponding second set of second values representative of the calibration physical quantity; f) calibrating (6) the sensor (70) by a comparison between the first and second set.

A computer includes a processor and a memory, and the memory stores instructions executable by the processor to determine an update function based on data indicating pressure in a tire of a vehicle over a most-recent time period, determine a current test statistic for the most-recent time period, and, in response to the current test statistic exceeding a threshold, output a message indicating low pressure of the tire. The update function lacks an input of temperature. The current test statistic is a function of the update function and a previous test statistic. The previous test statistic is for an immediately previous time period from the most-recent time period.

The application discloses an OTR tire pattern heat dissipation hole parameter design and heat dissipation strengthening method, and belongs to the tire structure design field.The method firstly establishes a tire parameterized model containing a heat dissipation hole, determines the length, width, depth and inclination angle of the heat dissipation hole as key design variables; subsequently, sample points are generated in the design space by using Latin hypercube sampling, and the average convective heat transfer coefficient corresponding to each sample is calculated through numerical simulation; then, a radial basis function proxy model with the design variables as input and the heat transfer coefficient as response is constructed, and the accuracy thereof is verified; thereafter, the design variables are globally optimized by using an adaptive simulated annealing algorithm with the maximization of the average convective heat transfer coefficient as the target, and the optimal structure parameters are obtained; finally, the optimization scheme is modeled and numerically verified.The application significantly improves the heat dissipation efficiency of the OTR tire through multi-parameter collaborative optimization, has the advantages of short design cycle, strong optimization ability and good versatility, and is helpful to prolong the tire life.

A tire tread detection apparatus (100) and tire pressure detector setting apparatus (300) with tire tread detection function are provided. The tire tread detection apparatus (100) includes a body casing (10), a driving unit (20), a measuring member (30), a position member (40), and a sense member (60). The driving unit (20), the measuring member (30), and the positioning member (40) are connected. The driving unit (20) is applied for driving the measuring member (30) to protrude outward from the body casing (10) for measuring the tire tread depth of the tire (200). The sense member (60) generates a measurement signal corresponding to the positioning member (40), such that the measurement signal indicates a tire tread depth value. Therefore, the tire tread depth is efficiently and accurately acquired.

The utility model provides a kind of floating suspension wheel and walking chassis assembly, floating suspension wheel includes floating drive wheel and floating suspension mechanism, floating suspension mechanism includes floating mounting plate, suspension oil cylinder and first drive wheel mounting plate, the cylinder body and piston rod of suspension oil cylinder are respectively hinged with floating mounting plate and first drive wheel mounting plate, floating drive wheel is installed on first drive wheel mounting plate, floating drive wheel is up and down floatingly installed in floating mounting plate by first drive wheel mounting plate and suspension oil cylinder, realize the up and down floating of floating drive wheel, then floating drive wheel can self-adapt ground uneven, floating drive wheel and ground always keep reliable contact, avoid walking chassis assembly to go skew. The cylinder body of suspension oil cylinder and floating mounting plate in the application, and the piston rod of suspension oil cylinder and first drive wheel mounting plate are hinged structure, leave adjustment redundancy space, allow the adjustment of each component of floating suspension mechanism when installing, improve assembly accuracy.

A real time tire pressure monitoring system includes a sensor measuring a pressure of a first tire and a sensor measuring a pressure of a second tire. The measured pressures are transmitted from the sensors to a processor, and a fusion module is executed on the processor. The fusion module includes a filter module that receives the first tire pressure, determines a leak rate of the first tire, and generates a filter module flag when the leak rate falls below a predetermined leak threshold. The fusion module also includes a comparative module that receives the first and second tire measured pressures, compares the measured pressures, and generates a comparative module flag when a deviation exceeds a predetermined deviation threshold. The fusion module generates a system notification when both the filter module flag and the comparative module flag indicate a pressure leak.

A tire has at least an electrically-conductive rubber. The electrically-conductive rubber has a contacting portion provided at a position contacting a rim.

A service providing system and a service providing apparatus are provided. When an abnormality occurs in a vehicle (1), an occupant (P) can easily accept an appropriate service. A service provision system is provided with: an accessory information acquisition unit (111) that acquires accessory information relating to an accessory installed in a vehicle; an abnormality confirmation unit (113) that confirms whether or not an abnormality has occurred in the accessory on the basis of the accessory information; a service determination unit (114) that determines a service corresponding to the abnormality confirmed by the abnormality confirmation unit (113) from among services for a plurality of abnormalities; and a service provision unit (115) that provides the service determined by the service determination unit (114) to an occupant (P) of the vehicle.

A method, and a corresponding system, for identifying a tyre having an identification code uniquely associated therewith is provided. The method comprises: receiving (725), at a receiver device (610; 815), a radio beacon signal (520) transmitted by a radio beacon tag (115; 115a - 115d) applied radially internally to the tyre (105; 805a - 805d); extracting from the received radio beacon signal (520) an identification code (525) of the radio beacon tag univocally associated therewith; accessing (730) a database (630) in which an association between the identification code of the radio beacon tag and a tyre identification code (605) univocally associated with the tyre is stored; identifying in the database the identification code of the radio beacon tag extracted from the received radio beacon signal, and obtaining (735) from the database the tyre identification code, which, in the database, is stored associated with the identification code of the identified radio beacon tag. Also provided is a tyre comprising a radio beacon tag (115; 115a - 115d), applied radially internally to the tyre, configured to transmit a radio beacon signal (520) comprising a radio beacon tag identification code (525) univocally associated with the radio beacon tag.

The embodiment of the application discloses a kind of based on topographic identification's tire pressure adjustment method, device and related medium, the method can include: according to the monitoring data determines the driving scene of vehicle;In response to user click the first button, control the vehicle enters target mode;In the case where the user authorizes automatic inflation and deflation device to carry out automatic inflation and deflation operation to vehicle tire, second button is presented in the display module of the car machine;In response to the user clicks the second button, tire pressure adjustment window is presented in the display module of the car machine;The target tire pressure value input by the user in the tire pressure adjustment window is received;In response to the user clicks the third button, the target tire pressure value is sent to the automatic inflation and deflation device. Implement the method of the embodiment of the application, can provide multiple tire pressure adjustment modes for user according to the topography that vehicle travels, help to reduce the complexity of user adjustment tire pressure, improve the driving experience of user.

This tire state estimation method includes the following. (1) Disposing, on the inner side of a tire, at least one power generator that generates voltage in response to deformation of the tire. (2) Acquiring measurement data in a time series obtained by measuring, while the tire is rotating, the voltage and / or a physical quantity corresponding to the voltage. (3) Identifying a peak that repeatedly appears in the measurement data. (4) Identifying a value of the peak and / or an interval of the peak. (5) Estimating the state of the tire on the basis of the identified value and / or the identified interval. The power generator is provided with a first member and a second member. The first member and the second member are configured such that one is positively charged and the other is negatively charged in accordance with pressure applied to the first member and the second member.

The application relates to a tire wear monitoring system, method and medium based on digital twin comparison, and belongs to the technical field of tire state monitoring; the application comprises the following units: a data acquisition unit; a model optimization unit, which is based on deep learning image recognition and segmentation technology, identifies distortion areas in a scanning model, performs data elimination and optimization, and generates a three-dimensional digital twin model capable of representing the real state of the tire; a model alignment unit, which realizes high-precision alignment of a measured model and a pre-stored initial model of a non-worn tire; a wear calculation unit, which calculates the wear depth of different areas of the tire tread by using a 3D deviation analysis principle; and a state management unit, which intelligently identifies the current wear state and form of the tire and displays the tire wear state in a visual manner. The application constructs a tire digital twin model through three-dimensional scanning, performs high-precision comparison with a non-worn initial model, realizes full-area and high-precision tire wear monitoring, and supports full-life-cycle management.

The present application relates to the technical field of vehicle advanced auxiliary driving system calibration, in particular to a commercial vehicle production line segmented TPMS calibration method, when the tire assembly station, after confirming the vehicle VIN, the vehicle VIN is scanned by the scanning gun and automatically filled into the VIN field of the collection interface; the electric control data management platform calls the related configuration word information of the vehicle driving form through the vehicle VIN, and transmits to the upper computer collection interface; the scanning gun scans the tire pressure sensor ID two-dimensional code information on each tire, and transcribes the scanning result to the corresponding tire position of the collection interface; after the information collection of all tire pressure monitoring sensors of the vehicle is completed, the information is uploaded to the electric control data management platform, and all sensor IDs of the vehicle are inquired according to the vehicle VIN on the platform; before the vehicle is offline, the VDI diagnostic instrument is connected with the vehicle OBD interface, the VDI diagnostic instrument calls the tire pressure sensor ID information from the electric control data management platform, and writes into the TPMS controller through the OBD interface, and the whole TPMS calibration is completed.

Method for transmitting a frame (40) from a device (20) associated with a tire (11) to a remote receiver unit (30), comprising: the device (20) encrypting a segment (4002) of the frame; determining (S13) a symmetric key (K) associated with a key identifier (ID) determined (S12) from an identifier of the device (20); and applying (S15) the symmetric key to the segment (4002) in order to encrypt content, and associated reception method.

The present invention relates to a wireless power-based smart tire system that can optimize driving efficiency by adjusting tire air pressure in real time, improve aerodynamic characteristics via active wheel curtain, and transmit driving information to the outside via LED indicator lamps and the like. The smart tire system according to the present invention comprises: a wireless power transfer unit, mechanically connected to a bearing body of an electric vehicle, for receiving power from a battery of the electric vehicle; and a wireless power reception unit mechanically connected to a bearing rotation unit which is attached to the inside of the bearing body by bearings and rotates.

A method is described for assigning tire pressure monitoring units (TPMS) of a vehicle's tire pressure monitoring system to the various positions where a wheel is mounted on the vehicle. The TPMS communicate with a central unit of the vehicle via Bluetooth, and each TPMS comprises a pressure sensor, an accelerometer, a receiver, and a transmitter. According to the invention, the central unit uses Bluetooth channel sounding to determine the distance between an antenna connected to the central unit and the individual TPMS. By evaluating these distances, the central unit assigns each TPMS to one of the positions where a wheel of the vehicle is mounted.

Disclosed in the present disclosure are an integrated adjusting system and a vehicle. The system is applied to the vehicle, and comprises: a first air receiving device and a second air receiving device, the first air receiving device being configured to implement a first function, the second air receiving device being configured to implement a second function, and the first function and the second function being different; and an air supply device, the air supply device being connected to the first air receiving device so as to supply air to the first air receiving device, the air supply device being connected to the second air receiving device so as to supply air to the second air receiving device , the air supply device being connected to an air inlet pipe (21), and the air inlet pipe (21) being suitable for drawing air from the inside of a vehicle compartment.

The application discloses an automatic speed measurement method based on a TPMS with a magnetometer and a tire pressure detection system. Single-axis magnetic field intensity located on a tire surface is sampled according to a preset sampling interval. A plurality of continuous peak points are obtained according to a sampling value and based on the same sampling interval. A tire rotation period is obtained based on the number of sampling points between the plurality of continuous peak points and the sampling interval, so as to calculate the speed of a current vehicle. The automatic speed measurement method can detect a motion state at different speeds, effectively avoids the problems of an accelerometer range and precision, has a lower cost than the accelerometer, and has a higher stability than the accelerometer.

The invention relates to a method for correcting a transmission frequency for an electronic device comprising a temperature sensor, a transmitter, and a microprocessor suitable for transmitting a transmission setpoint to the transmitter, the method comprising the following steps: - measuring (step E1) the temperature of the transmitter via the temperature sensor; - determining (step E2) a correction coefficient by searching a lookup table of correspondences between different transmitter temperatures and correction coefficients suitable for compensating for frequency drift of the transmitter as a function of its temperature, the lookup table being stored in the electronic device; - adjusting (step E3), by the microprocessor, the transmission setpoint as a function of the determined correction coefficient; and - transmitting (step E4), by the transmitter, an electromagnetic wave according to the adjusted transmission setpoint.

The utility model relates to an agricultural tire bead belongs to tire technical field, including the crown and the side, the side makes the crown radially extend inwards, the inside installation of side has multiple groups's buffer layer, the inside installation of buffer layer has the inner liner or the oil skin glue, the outside of side is provided with multiple groups's circumferential waterproof line and circumferential exhaust line, between circumferential exhaust line and circumferential waterproof line is provided with multiple groups's first section exhaust line of intercommunication, is provided with exhaust hole on first section exhaust line, the present application is through first section exhaust line, second section exhaust line and exhaust hole to solve the bead scar problem and the potential residual gas in the bead position, improve the appearance quality while avoiding residual gas to cause the early damage in the process of using the bead, the increase of exhaust line can increase the cooperation of tire bead and rim simultaneously, increase the friction, when using more closely reduce the tire and the rim use stress too big when slipping problem.

The objective is to provide an information processing device, an information processing method, and an information processing program that can predict tire durability with greater accuracy. [Solution] The information processing device 10 acquires tire information, including the temperature of the tires, and vehicle information, including the acceleration of the mining vehicle 50 while it is in motion, and performs tire durability estimation processing to estimate the durability of the tires based on the acquired tire information and vehicle information.

A method for identifying the rolling vehicle assemblies, each assembly comprising a radio frequency transponder with an identifier, the vehicle comprising a radio communication system coupled to a radio frequency antenna, the radio frequency antenna covering a spatial area of ​​the vehicle in which the assemblies are located, comprising the following phases: • Initiating a detection phase while the vehicle is in motion, comprising: Initiating an interrogation phase for a duration T; Receiving, for the duration T, radio waves backscattered by the radio frequency transponders; • Initiating an analysis phase comprising: Identifying the coded responses; Determining the unique identifier and a quantity of the electrical signal for each coded response; For several coded responses with the same unique identifier, evaluating each quantity against a reference;If at least one quantity is far from the reference threshold S, place the unique identifier in a specific list. Figure for the abbreviation: Fig. 2;

The present disclosure relates to an attachable wireless identification tag for a tire, the attachable wireless identification tag for a tire according to the embodiment of the present disclosure is technically characterized by including a PCB including a main body part, and antenna installation parts extending from two opposite sides of the main body part, an RFID chip installed on the main body part, and an antenna having a predetermined length, formed in a helical shape, and fitted and coupled in a longitudinal direction of the installation part, in which antenna a forward / rearward width of an interior defined by the helical shape of the antenna is larger than a forward / rearward width of the PCB, such that the antenna installation part and the antenna are spaced apart from each other at a predetermined interval to form a space portion.

A presumption system includes a first sensor capable of being disposed between a wheel and a tire fitted to the wheel, which outputs a first sensor signal corresponding to a pressing force generated by the wheel and the tire, and a processor that presumes a state of a rotating body including the wheel and the tire based on the first sensor signal, the processor generating a first interval signal by dividing the first sensor signal in a certain interval, and presuming the state of the rotating body based on the first interval signal.

The invention relates to a method for communicating values measured by at least one sensor (21, 22, 23) of a device (20) associated with a tire (11) to a remote receiving member (30), the method comprising steps of: - acquiring (S1) measurements via the at least one sensor; - sampling (S2) and storing (S3) the measurements to form an ordered series; - determining (S4) a sequence of values from the ordered series; - transmitting (S5) a frame (40) to the remote receiving member (30), the frame comprising a unique identifier (441) of the device, an increment indicator (442), a format indicator (444) indicating the format of the sequence of values, and this sequence of values (443), this sequence of values (443) comprising at least one reference value and a set of representations of other values in the form of a deviation relative to the reference value.

This technology provides an improved accuracy in estimating the wear condition of tires. [Solution] The vehicle information acquisition unit 12 of the calculation model generation system 110 acquires vehicle information, including the mileage measured by the vehicle. The wear estimation unit 13 estimates the wear state of the tire 7 using a learning-type calculation model 13a that takes the vehicle information as input data. The dataset generation unit 22 extracts a limited number of second datasets from a plurality of datasets composed of vehicle information and wear information as training data, where the amount of wear progressed is less than the second threshold R2 (less than the first threshold R1), according to the quantity of first datasets where the amount of wear progressed is greater than or equal to the first threshold R1, and generates a training dataset including the first dataset and the extracted second dataset. The learning processing unit 23 trains the calculation model 13a based on the training dataset generated by the dataset generation unit 22.