637results about How to "Avoid dangerous accidents" patented technology

The invention relates to the field of vehicle safe driving, in particular to an intelligent control method for fatigue driving. The intelligent control method for vehicle driver fatigue driving comprises the steps that a plurality of key points are set on a driver face, a trunk, and arms and legs for being marked; all the key points are traced through a vehicle-mounted near-infrared image sensor,an action recognition model is trained out through simulation detecting and deep bidirectional LSTM neural network, and a dangerous action is defined based on the action identification model; and thecurrent driver is identified, matching is conducted in the vehicle running process, and if the dangerous action is matched out, an alertor begins to alarm and the driver is reminded of safe driving orresting. According to the intelligent control method for fatigue driving, after setting the key points on the whole body and the face, the model of the key points is established, subsequent judgmenterrors caused by vibrating back and forth of a vehicle in the running process is avoided, then dangerous actions at all levels are matched out through the action identification model, dangerous accidents are avoided, protection for safe travelling of the driver is provided, and loss of life and property is reduced.

The invention relates to a management method of a power battery module based on a cloud control technology. The power battery module is used as a physical entity in an actual working environment, andthe method comprises the following steps: firstly, establishing a digital twined virtual power battery module model matched with a physical entity in a simulation environment of a cloud computing platform based on a digital twinning technology; configuring a simulation working environment of the model; collecting physical data generated by the operation of the physical entity and virtual data generated by the operation of the virtual power battery module model through the cloud computing platform and then performing data analysis and fusion processing; and correcting and updating the virtual power battery module model at the cloud according to the data processing result, and obtaining a corresponding optimal control strategy under the latest model based on the physical entity calibration performance and the current state in combination with an online simulation technology. The cloud computing platform inputs the optimal control strategy into the battery management system based on a cloud control technology so as to automatically control the operation of the physical entity and update feedback in real time, thereby integrally realizing dynamic optimal management.

The embodiment of the invention relates to the technical field of automobile electronic control, and discloses a vehicle safe driving detection method based on an artificial neural network, a device and a computer-readable storage medium. In the invention, the method comprises the following steps of: collecting characteristic sample parameters of a historical driving process; Establishing artificial neural network model including front neural network and back neural network, and train artificial neural network model by using characteristic parameters of dangerous driving. The first kind of characteristic parameters and the second kind of characteristic parameters of the driver are obtained in real time during the current driving process of the vehicle. The first and second characteristic parameters are inputted into the artificial neural network model, and the classification probability value of dangerous driving characteristics is obtained. Then the driver is judged to be in dangerousdriving state and the reminder information is sent. The invention provides a vehicle safe driving detection method based on an artificial neural network, a device and a computer-readable storage medium, which can improve reliability and accuracy of dangerous driving evaluation.

The invention relates to a cabinet air conditioner alarming reminder control method, which is characterized by comprising the steps of: in the normal operation of a cabinet air conditioner, step 1, detecting human body activity characteristics by means of a human body activity characteristic sensing device on the cabinet air conditioner; step 2, detecting a human body activity height, namely, stature of a detected object, and jumping to a step 3 if the human body activity height meets H1, otherwise, repeating the step 2; step 3, and detecting a human body activity distance, namely, a straight-line distance between the detected object and the human body activity characteristic sensing device on the cabinet air conditioner, and executing corresponding actions according to the detected human body activity distance. The cabinet air conditioner alarming reminder control method can effectively prevent the occurrence of dangerous accidents caused by children expending hands into an air outlet or approaching an air door during the operation of the cabinet air conditioner.

A full-insurance rain bomb fuze relates to an artificial hail-suppressing rain bomb fuze for antiaircraft guns. The present invention mainly includes a fuze body, an upper drug tray, a lower drug tray, a rotary body, a bracket, a pressure screw, and a detonator tube. There is a 134-136° circular groove on the bottom surface of the medicine tray and the top surface of the medicine tray respectively. The gunpowder column is installed on the side, and the gyratory body is installed in the medicine feeding tray. The left and right sides of the medicine feeding tray and the gyratory body are respectively equipped with centrifugal safety screw plugs, centrifugal springs, centrifugal pins and safety pins, and gunpowder safety screw plugs. The dimensions of the booster tube have also been improved. The invention has the advantages of small fragments, sufficient explosion, safe use, good delay reliability and more complete detonation.

The invention provides a human traffic statistics method and equipment. The method is applied to the human traffic statistics equipment. The human traffic statistics equipment can be taken as a wireless access point to provide an access to a mobile terminal. The human traffic statistics equipment comprises a first communication module, a second communication module, a processing module and a storage module. The method comprises the following steps of collecting a WIFI signal of each mobile terminal connected to the equipment; obtaining an identification and signal strength of the mobile terminal; and counting the access frequency and the access duration of the mobile terminal to obtain a human traffic statistic result. According to the human traffic statistics method and equipment, the real-time monitoring and display can be carried out on the human traffic of the entire scenic area and branch scenic spots, and the tourist amount in each branch scenic spot can be effectively controlled to prevent a dangerous accident caused by the excessive human traffic; and meanwhile, the human traffic statistics is executed in the human traffic statistics equipment in the branch scenic spots, so that the computational burden of a total server of the scenic spot can be relieved.

The invention discloses an intelligent nursing robot. The intelligent nursing robot mainly comprises a robot body, robot arms located on the two sides of the robot body, a robot head located on the upper portion of the robot body and drive wheels located on the lower portion of the robot body; and the intelligent nursing robot furthermore comprises a drinking device, a lighting device, a rest device, a traction device, a conventional health inspection device, a motor drive device, a power source device, a display screen, omnidirectional cameras, voice frequency input/output equipment, an indoor environment quality monitoring sensor, an alarm device and a telephone communication device, and the robot body is internally provided with a CPU main-control module, a drive control module, a man-machine interaction module, an indoor environment control module, a positioning and navigation module, a data storage module and an emergency processing module. The intelligent nursing robot is comprehensive in function and high in intelligent degree, and great convenience is provided for modern households.

The invention discloses a technique for monitoring riser states in real time during deepwater oil development, belongs to the field of marine oil development, and relates to a deepwater drilling riser state monitoring system and a working method thereof. A riser provided with an information acquisition nipple comprises a riser body and the information acquisition nipples mounted on the riser body. Pressure sensors used for measuring water pressure values, electronic compasses used for measuring geographic orientation values and temperature sensors used for measuring water temperature are arranged in each information acquisition nipple, stress strain gauge devices for monitoring variation of stresses and a CPU (central processing unit) processing module for information processing are attached to the inner wall of each nipple, and signal transmission modules can transmit information outwards. Sea bed base stations and signal collectors can receive and transmit signals from the signal collection nipples as well as transmit the signals to a signal collection processing and controlling center. The riser provided with the signal collection nipples can effectively monitor self states during drilling, and capability of the riser for dealing with deepwater complex environments is improved.

The invention discloses an intelligent car state supervising system based on mobile communication. The system includes car borne state supervising subsystem and the center computer subsystem in the traffic monitor. The car borne state supervising subsystem exchanges data information with the center computer subsystem through the base station of the wireless communication network, and forms a traffic monitoring and managing network. The car borne state monitoring subsystem includes a vehicle electron sensor group, car borne digital information processor, car borne mobile communication terminal and displaying and alarming device. The center computer subsystem includes a car identification incriminator, digital information processing computer, storing and recording device, peccancy and deficiency judger and alarm and order information generator. The invention can provide state information to the cit traffic managing department of any car automatically, thus it is convenient to the monitor and management of car state, upgrades the supervising efficiency of traffic state.

The invention relates to a device capable of walking freely in a pipeline. The device comprises a front walking mechanism and a rear walking mechanism. The front walking mechanism and the rear walking mechanism are the same in structure. The front walking mechanism and the rear walking mechanism are respectively composed of a servo motor, an outer sleeve, an inner sleeve, a walking telescopic arm and a fixed telescopic arm. Each outer sleeve is placed on the periphery of the corresponding inner sleeve. The walking telescopic arms and the fixed telescopic arms are selectively connected with the ends of the inner sleeves and the ends of the outer sleeves. Each servo motor drives the corresponding inner sleeve and the corresponding outer sleeve to make intermittent relative movement through a transmission mechanism. The front walking mechanism and the rear walking mechanism are connected through an electric push rod, and a walking motor used for driving the electric push rod to be telescopic is arranged in the rear walking mechanism. According to the device, the walking telescopic arms and the fixed telescopic arms make selective contact with the inner wall of the pipeline, due to the fact that the electric push rod is driven by the walking motor, the entire device can be driven to walk freely inside the pipeline, the device can replace manual work to conduct maintaining, overhauling and dredging operations of pipelines and pipe networks, the labor of workers is lightened, and dangerous accidents are avoided.

The invention discloses a driver fatigue detection method and system based on computer vision. The method comprises: firstly, a camera is called to collect a driver face video; Then, the face is positioned through an AdaBoost classifier algorithm of the Harr-like feature; then, blinking and yawing detection are carried out by utilizing the Landmark to prompt fatigue; and finally, positioning humaneyes through picture preprocessing, judging fatigue according to a PERCLOS algorithm criterion, and carrying out early warning. According to the method, fatigue early warning is carried out on the driver by combining a PERCLOS human eye detection algorithm and a human face key point extraction algorithm, non-contact performance and real-time performance are achieved, interference on normal driving of the driver is avoided, and fatigue detection is more accurate, more efficient and faster.

The invention discloses a security monitoring method. The method is applied to virtual reality equipment, and comprises the steps of wirelessly connecting the virtual reality equipment with monitored equipment; monitoring the distance between the monitored equipment and the virtual reality equipment; judging whether the distance is smaller than a preset risk threshold; and if so, performing prompt alarm. The position information of the monitored equipment can be received by wirelessly connecting the monitored equipment with the virtual reality equipment, and prompt alarm can be performed when the distance is smaller than the preset risk threshold by monitoring the distance between the monitored equipment and the virtual reality equipment, so that when a user uses the virtual reality equipment and a child or a pet carrying the monitored equipment intrudes into the set risk threshold range, the user is prompted, the risk is prevented, and the user experience is improved. Moreover, the invention further provides a security monitoring device and system and virtual reality equipment, which also have the above advantages.

The invention discloses a signal collecting method based on a safe input system and the system of the signal collecting method. In a rail transportation system, input signals are collected through an input circuit module and output to a processor module. As a plurality of input signal modules are arranged, in order to avoid aliasing of the signals, the return checking end of the input circuit module is used for comparing return checking signals and stimulus signals, the input signals and the stimulus signals generated by the processor module are superimposed to generate the return check signals, and whether the input signals are correct is judged. The input signals and the corresponding stimulus signals respectively have two code bits at least, each code bit at least has two code distances, aliasing of the signals of adjacent channels is avoided by increasing the code distances of the code bits, correctness of the collected signals is guaranteed, and mistaken collection of the signals is avoided. It is guaranteed that in the rail transportation system, the signals are accurately controlled and a train is normally scheduled when the train operates, and normal operation of the train is guaranteed.

The invention discloses a wireless intelligent terminal based remote wireless monitoring method for oxygen stations. The remote wireless monitoring method is realized by adopting an intelligent terminal based remote wireless monitoring system for the oxygen stations; the system comprises a client, an application server and a middleware server, as well as a plurality of intelligent terminals, adjusting recording meters and positioning controllers which are distributed on the oxygen stations, wherein the client is connected with the application server through the Internet; the application server is connected with the middleware server through the Internet; the middleware server is wireless connection with the intelligent terminals of the oxygen stations respectively; the intelligent terminals of the oxygen stations are connected with the adjusting recording meters and the positioning controllers through connecting wires respectively. The remote wireless monitoring method aims at cost reduction, efficiency increase, environmental protection and energy conservation, and is more complete in functions, more humanized and more diversified.

A passenger car rollover warning method based on tire pressure monitoring. First, the tire pressure P1 and P2 of the tires on both sides of the front axle of the car are collected in real time; a maximum absolute value ΔP of the tire pressure difference between the two sides is preset. _max And the maximum rate of change of tire pressure F _max ;Real-time monitoring and statistics of the tire pressure of the tires on both sides, and analyze the real-time absolute value of the pressure difference ΔP=|P1‑P2|, and the change rate F of the tire pressure of the tires on both sides ₁ = dp/dt, F ₂ =dp/dt; judgment ΔP≥ΔP _max , F ₁ ≥F _max and F ₂ ≥F _max , when ΔP≥ΔP _max or F ₁ ≥F _max or F ₂ ≥F _max Then it is determined that there is a danger of the vehicle body rolling, and at the same time a warning signal and an engine compulsory control signal are output.

The invention discloses a control method for speed limit of an AMT (Automatic Mechanical Transmission) type vehicle. The control method comprises the following steps that: a. an automatic TCU (Transmission Control Unit) receives a current gear signal, an engine revolution speed signal and a clutch slip ratio signal detected by a sensor, and transmits the signals and a determined driving chain combination state signal to a VCU (Vehicle Control Unit); b. the VCU calculates a maximum gear allowed to be switched and a maximum limit value of the engine revolution speed, real time transmits a command signal to an ECU (Electronic Control Unit) and detects whether the current gear is higher than the allowed maximum gear; c. the VCU transmits a gear-switching request command and reduces the current gear to be the allowed maximum gear; d. the ECU regulating a rail pressure and a fuel injection quantity according to the maximum limit value of the engine revolution speed so as to regulating the engine revolution speed to be lower than the maximum limit value; and e. a vehicle regularly runs. The invention has the beneficial effects of largely reducing the labor strength when effectively improving the safety of a driver.

The invention belongs to the technical field of tower crane control information processing and discloses a safety monitoring method and system for a tower crane jacking system. Inclination state analysis and numerical simulation of the jacking system under a wind load, jacking sleeve frame numerical simulation modeling and analysis under multiple loads, jacking sleeve frame contact equilibrium dynamic detection and regulation thereof, and reliability assessment and a fault diagnosis method of the tower crane hydraulic jacking system are included. According to the safety monitoring method and system, sleeve frame contact equilibrium state detection technology of the tower crane jacking system under variable loads is analyzed, and real-time monitoring and early warning of an equipment operation state can be achieved. Dynamic characteristics analysis and operation stability enhancement technology of the tower crane jacking hydraulic system is analyzed, dangerous accidents can be avoided,and the service life of a tower crane can be prolonged. Reliability assessment and fault diagnosis technology of the tower crane jacking system is analyzed, and operation safety of the tower crane inan installation/disassembly link can be ensured effectively. Through the safety monitoring method and system, the stress condition analysis and dynamic monitoring problems of the sleeve frame under the operation condition of a jacking mechanism are solved.

The invention discloses an umbrella-like automatic centering and charging device for an unmanned aerial vehicle. The device comprises an unmanned aerial vehicle take-off and landing supporting frame (9), a parking apron charging structure and a main controller.; the unmanned aerial vehicle take-off and landing supporting frame (9) is provided with four supporting legs; the bottom end of each supporting leg is connected with a universal wheel; a positioning device (8) is arranged at the bottom of the unmanned aerial vehicle; the parking apron charging structure comprises a parking apron (5), acentral charging platform (2) and a charging device; the parking apron (5) is divided into three fan-shaped plates; a pressure sensor is arranged on the surface of the parking apron (5); and the pressure sensor is connected with the main controller; the central charging platform (2) is connected with the charging device; the central charging platform (2) is of a columnar structure; the three fan-shaped plates are hinged and fixed to the central charging platform (2); and the fan-shaped plates of the parking apron can be unfolded into a plane or folded into an umbrella-shaped structure with anupward opening through a telescopic mechanism, so that the unmanned aerial vehicle can be centered and charged. The umbrella-like automatic centering and charging device is compact in structure, is capable of effectively collecting, centering and charging unmanned aerial vehicles and has high working efficiency.

The invention discloses an intelligent construction safety power consumption system and method. The intelligent construction safety power consumption system comprises a primary power distribution box and a secondary power distribution box subordinate to the primary power distribution box. The secondary power distribution box is electrically connected with various kinds of electric equipment. A tail-end circuit of the primary power distribution box, a tail-end circuit of the secondary power distribution box and tail-end circuits of the electric equipment are each provided with a power consumption information collection circuit. When an intelligent control terminal transmits power consumption information, information of the corresponding equipment is sent synchronously; due to the fact that an access control system, a power consumption protection device and an illumination circuit voltage monitoring device are arranged, construction power consumption safety is ensured. According to the intelligent construction safety power consumption system and method, the intelligent power consumption management is comprehensively achieved, active management is carried out, the monitoring loophole caused by manual passive management is overcome, and the accident rate is decreased.