34results about How to "Timely perception" patented technology

The invention discloses an obstacle detection method based on multi-line laser radars. The method comprises the following steps: (1), installing multi-line laser radars at the left front and the rightfront of a vehicle, and using each multi-line laser radar for collecting laser point cloud data around the vehicle; (2), converting the at least two groups of laser point cloud data into a vehicle coordinate system through pre-calibrated conversion parameters from a laser radar coordinate system to the vehicle coordinate system to form fused data; (3), obtaining obstacle point cloud data from thefused data; (4), clustering the obstacle point cloud data according to the Euclidean distance to obtain the position of each obstacle under the vehicle coordinate system; and (5), filtering out obstacles except a driving route from a high-precision map of vehicle driving. According to the obstacle detection method based on the multi-line laser radars, obstacle detection is carried out through themulti-line laser radars, high detection precision can be achieved, and the real position of an obstacle relative to a vehicle can be obtained.

The invention discloses a bus station-missing prevention system and method based on an APP. The system comprises an APP registration and login module used for managing user account numbers; a database module used for storing all traffic information of each city; a GPS positioning module used for positioning the place of a user; a mobile terminal input module used for inputting information of an initial station and a destination station; a GPS tracking module used for carrying out real-time tracking on the position of the user; and an APP real-time analysis module used for carrying out comparison analysis on the destination station information and user real-time position. When the real-time position of the user is one station ahead of the destination station, a prompt is sent to the user through a mobile terminal output module. By adopting the bus station-missing prevention system and method, the user is prevented against station missing, and unnecessary loss is reduced for the user.

The invention provides a reversible thermochromic fabric, and relates to the technical field of functional fabrics; the reversible thermochromic fabric is composed of a basic fabric and a functional coating layer, wherein the functional coating layer includes the following substances in parts by weight: 50-60 parts of a high-molecular polymer emulsion, 30-40 parts of crystal violet lactone microcapsules, 10-15 parts of a discoloring additive, 5-8 parts of a fluorocarbon surfactant, 3-8 parts of a crosslinking agent, 3-5 parts of a penetrating agent, and 3-8 parts of silica. The reversible thermochromic fabric can show different colors at different temperatures, is beautiful and fashionable, also is used as a sensor, can help people perceive changes of the environment in time, and has the advantages of simple preparation method, stable performance and long service life.

The invention provides a smog sensor, which belongs to the technical field of coal mining safety facilities. The smog sensor comprises a smoke gathering hood, a smoke sensing probe seat, a smoke sensing probe, a circuit board, a soaring housing with a soaring cavity and a power supply and signal line interface unit, wherein a smoke sensing probe seat matching chamber is formed in the central part of the smoke gathering hood, a smoke gathering drum extends out from one side of the smoke gathering hood, the sidewall of the smoke gathering drum is provided with a set of lateral smoke inlet holes, the bottom of the smoke gathering drum is provided with a set of vertical smoke inlet holes, the smoke sensing probe seat cooperates with the smoke sensing probe seat matching chamber, a smoke sensing probe matching hole is provided at the center of the smoke sensing probe seat and is communicated with the smoke gathering drum, the smoke sensing probe is accommodated in the smoke sensing probe matching hole and is connected with the circuit board, the soaring housing is fixed with the smoke gathering hood and shields the smoke sensing probe seat, the smoke sensing probe and the circuit board, a suspension hook is fixed on a top wall of the soaring housing and the power supply and signal line interface unit is arranged on the top wall of the soaring housing. The smog sensor provided by the invention has the following advantages: the smoke sensing probe is allowed to sense smog in time; and installation of the smog sensor is convenient.

The invention discloses a method for obtaining process information. The method includes obtaining active process information of at least one time point, finally obtaining information of at least one process consuming many central processing unit (CPU) resources according to the obtained active process information, and providing the obtained information of the process consuming many CPU resources for a user or performing relevant operation on the process according to the information of the process consuming many CPU resources. The invention further discloses a device for obtaining the process information. According to the method and the device, the user can perceive timely and check the process information quickly, and therefore user experience is improved.

The invention relates to the technical field of computer software, in particular to a network request log chained tracking method, a full-link call monitoring system and a medium, and the method comprises the following steps: dotting and marking call chain units to form tree nodes; through the data information collected by the call chain units, forming tree nodes of a hierarchical calling relation on a calling track of the call chain unit into a tracking tree; and when a certain node in the tracking tree goes wrong, providing information of the corresponding call chain unit. According to the invention, the performance of data acquisition and dump can be improved, and a dotting mechanism can avoid overlarge workload caused by data acquisition and dotting; meanwhile, data collection is divided into two parts, and when an external system breaks down, the stability of host application cannot be affected; during application, data can be completely and efficiently dumped, and the integrity of the whole function is not affected when a single node breaks down; and furthermore, through a storage service monitoring function, when the data dump end is abnormal, the data dump end can be sensed and processed in time.

The invention discloses a knowledge graph representation learning training-oriented local training method. The method comprises the following steps of S1, obtaining knowledge graph training data; S2,calculating a vector space dimension which should be used for training; S3, judging whether a new model can be obtained by adjusting the original model or not; S4, carrying out model training; and S5,model and data storage. According to the method, the vector space dimension required for training can be calculated according to the data scale of the knowledge graph, so problems of poor model performance caused by too small dimension and waste of calculation resources and time required for training caused by too large dimension are avoided. For the changed knowledge graph, training adjustment can be performed on the basis of the original representation learning model, so the representation learning model of the changed knowledge graph is quickly obtained, a large amount of time required bytraining is saved, and an upper-layer application can perceive the change of the knowledge graph more timely.

The embodiment of the invention provides a service providing method and device, a service consumption method and device, and equipment. The method comprises the steps: obtaining at least one service consumption object communicating with a server when the working state of a target application provided by the server changes; and sending notification information for recognizing the working state of the target application to the service consumption object, so that the service consumption object adjusts the target application according to the notification information. According to the embodiment, when the working state of the target application is changed, the at least one service consumption object communicating with the server is acquired, and the notification information used for recognizing the working state of the target application is sent to the service consumption object, so that the service consumption object can timely sense the working state of the target application. In the updating process of the target application, it can be guaranteed that the service is lossless as much as possible, the situation that when the target application is in an unavailable state, the data processing request fails or is overtime is avoided, and the availability and stability of the target application are guaranteed.

The invention provides a smog sensor device, which belongs to the technical field of coal mining safety facilities. The smog sensor device comprises a smoke gathering hood, a smoke sensing probe seat, a circuit board, a soaring housing with a soaring cavity and a power supply and signal line interface unit, wherein a smoke sensing probe seat matching chamber is formed in the central part of the smoke gathering hood, a smoke gathering drum extends out from one side of the smoke gathering hood, the sidewall of the smoke gathering drum is provided with a set of lateral smoke inlet holes, the bottom of the smoke gathering drum is provided with a set of vertical smoke inlet holes, the smoke sensing probe seat cooperates with the smoke sensing probe seat matching chamber, a smoke sensing probe matching hole is provided at the center of the smoke sensing probe seat and is communicated with the smoke gathering drum, the circuit board comprises a power module circuit, a heating time-delay and alarm output circuit used for outputting alarm voltage Vout and a smog sensor module circuit used for outputting signal voltage Vout1, the soaring housing is fixed with the smoke gathering hood, a suspension hook is fixed on a top wall of the soaring housing and the power supply and signal line interface unit is arranged on the top wall of the soaring housing. The smog sensor device provided by the invention has the following advantages: a smoke sensing probe is allowed to sense smog in time; installation is convenient; and good reliability is obtained.

The invention discloses a fluctuating road condition recognition and vehicle control method based on V2X and visual fusion, and relates to the technical field of intelligent driving, the method comprises five groups of signal links, and the specific steps are as follows: obtaining original road surface data of each signal link; processing the data obtained by the V2I, the V2V and the road surface fluctuation perception detection based on the vision by adopting a direct detection method to sequentially obtain international flatness indexes IRI1, IRI2 and IRI3; processing the jumping data based on the vertical position of the front vehicle lamp by adopting a response type detection method to obtain an international flatness index IRI4; weighting the international flatness indexes obtained from different sources to obtain a final international flatness index IRIf; in combination with IRIf and international flatness index evaluation indexes, the current driving speed or driving track is optimized and adjusted, and the safety and comfort of driving on the undulating road surface are improved.

The invention discloses an intelligent mobile phone vibration alerting auxiliary device. The intelligent mobile phone vibration alerting auxiliary device comprises an outer arm sleeve, an inner arm sleeve, a shell, a first support, a second support, a horizontal supporting plate, a spring column, a switch, a battery, a loudspeaker module, a heating element and an alarming light. According to the intelligent mobile phone vibration alerting auxiliary device, the purpose that when intelligent equipment vibrates, a user can timely perceive the vibration and can timely conduct communication is achieved, thus the intelligent mobile phone vibration alerting auxiliary device has the technical effect of being convenient to use.

The embodiment of the invention provides a road network data processing method and device, and the method comprises the steps: obtaining a vehicle motion track and road network perception data collected in real time, and determining a track node based on the vehicle motion track; fitting according to the track node and the current vehicle position to obtain a road track curve, and fitting the road network perception data to obtain a road edge curve; and adding corresponding logic features to data points included in the road track curve and the road edge curve, generating a road network data structure to acquire road network data , so that the road network data passing the inspection can be used. The continuous and complete road network structure is generated to carry out real-time rendering, path planning and the like, real-time collection of road network data in the intelligent driving process is achieved, the processed road network data is presented to a vehicle user, the vehicle user is helped to perceive the surrounding environment in time, and good expansibility and universality are achieved.

The invention discloses a device for accurately controlling engraving and printing temperature. An installation box is arranged on a temperature controller, a display is arranged in the installation box, an adjusting knob and a control switch are arranged on the installation box, the temperature controller is provided with a heating plate, connecting devices are arranged between a first heat insulation plate and the heating plate and between a second heat insulation plate and the temperature controller, temperature sensors are arranged on the first heat insulation plate, the second heat insulation plate and the temperature controller and connected with data lines, the heating plate is recessed to form a groove, a forming die plate is arranged in the groove, the groove is recessed to form a mounting groove, the forming die plate is provided with a locking block, and a spring is arranged between the locking block and the forming die plate. The device can accurately and timely sense temperature change and feed the temperature change back to an operator, so that people can timely adjust the temperature, engraving and printing are performed at the constant temperature, and engraving and printing quality is ensured.

The invention provides an alarm device, which is cooperated with a 92 type gun and a holster. The alarm device comprises an early warning device worn on the body of a law enforcement officer, a communication device, a Beidou satellite positioning module and a sensing device, wherein the communication device and the Beidou satellite positioning module are in communication connection with a background server, and the sensing device is arranged on the holster and is used for sensing the state of the gun. The alarm device has the beneficial effects that the position of the gun is monitored in realtime, after the gun leaves the body of the law enforcement officer for a specified distance and the gun is pulled out of the holster for specified time, an alarm is given to notify the law enforcement officer, in addition, an alarm is given to the background server to enable the background to carry out positioning and tracking on the gun, and a law enforcement field situation is recorded, the movement trajectory of the gun is recorded at any time in order to monitor the dynamic condition of the gun at any time and prevent the gun from being lost, and therefore, the intelligent monitoring andmanagement of law enforcement guns is reinforced.

The invention discloses an electric power system protection strategy constant value issuing method. The method comprises the following steps: 1) acquiring operation mode data (element on-off and section power), a direct current control mode, a pressing plate on-off state and actual measurement information of a controllable quantity from a system protection device in real time by a scheduling end;2) splicing related information in the actual measurement information obtained by the scheduling end into a real-time operation mode word, and performing constant value online setting calculation according to the actual measurement data uploaded by the power grid model and the device to obtain an online constant value with the operation mode word; 3) checking the online constant value based on thereal-time operation mode data and the ultra-short-term prediction data of the power grid, if the check is passed, submitting the online constant value to a constant value issuing module, and otherwise, returning to the step 2); and 4) making the online constant value issuing module and the plant station end take effect after interactive confirmation. According to the invention, reliable issuing of the system protection online strategy constant value is realized through triple confirmation of comparison of operation mode words, checking of the online constant value and an online constant valueissuing process.

The invention discloses a mobile smart device wearing reminding device. The device includes: an outer arm cover, an inner arm cover, a shell, a first bracket, a second bracket, a horizontal support plate, a spring column, a switch, a cylinder, a battery, The motor, the rotating rod, and the disk realize the technical effect that when the smart device vibrates, the user can sense it in time, communicate in time, and be easy to use.

The invention belongs to the technical field of surveying and mapping equipment, relates to a surveying and mapping frame for building construction, and aims to solve the problem that an existing surveying and mapping frame cannot detect inclination. According to the technical schemes of the invention, the surveying and mapping frame comprises a mounting plate, mounting columns are arranged at four corners of the bottom of the mounting plate, a rectangular groove is formed in the middle of the mounting plate, and an alarm mechanism is arranged in the rectangular groove; the alarm mechanism comprises a detection box, an alarm plate, an induction plate, a plumb bob, a vertical line, an impact column, second telescopic rods and second springs; the detection box is fixedly installed in the middle of the rectangular groove; the second telescopic rods are arranged in the middle of the inner side of the detection box; the two second telescopic rods are oppositely arranged; the second springs are arranged outside the second telescopic rods; the induction plate is fixedly installed on the side, close to the center of the detection box, of the second telescopic rods. The surveying and mapping frame is simple in structure and convenient to operate; if inclination occurs in the surveying and mapping process, the inclination can be sensed in time, an alarm is given, and errors are reduced.