265results about How to "Pass safely" patented technology

Systems and methods for protecting a virtualization environment against malware. The methods involve intercepting an event in a kernel mode of the virtualization environment, suspending execution of the event, and transmitting the event to a user mode security module that determines whether the event should be blocked, allowed, or redirected. Events may be intercepted from any level of the virtualization environment, including an interrupt request table, device driver, OS object manager, OS service dispatch table, Portable Execution (P/E) import/export table, or binary code, among others. In one embodiment, an event may trigger a chain of related events, such that interception of an event without first intercepting an expected antecedent event is one indication of malware. The method also involves securing a virtual storage device against unauthorized access and providing for secure communication between guest OS and virtualization environment security modules.

The present invention has its object to provide an effective method of accelerating a hydrosilylation reaction.This invention is related to a hydrosilylation reaction method which comprises carrying out the hydrosilylation reaction between a silicon compound (A) represented by the following general formula (1) and an alkenyl group-containing compound (B) in the presence of a Group VIII metal-containing catalyst (C) and a sulfur compound (D);

The application, which relates to artificial intelligence, provides a behavior planning method and behavior planning device for an autonomous vehicle. The method includes: acquiring vehicle information, including locations of other N vehicles at an intersection; according to the locations of other N vehicles and an intersection point, determining (N+1) candidate vehicle gaps including a first vehicle gap, an intermediate vehicle gap, and an (N+1)th vehicle gap; and determining a target vehicle gap based on evaluation values of the (N+1) candidate vehicle gaps. The evaluation values are used for evaluating safety of the autonomous vehicle at the time of entering the intersection at the candidate vehicle gaps; and the target vehicle gap is used for enabling the autonomous vehicle to enter the intersection through the target vehicle gap. Therefore, the autonomous vehicle passes the intersection safely and rapidly.

The invention discloses a city road traffic crossing in-vehicle traffic information lamp early warning method and system based on Internet of vehicles. The method is based on the wide application of a wireless transmitting terminal, and employs a wireless transmit-receive module for range finding; a wireless receiving terminal is provided with a directive antenna so as to limit a reading scope. Meanwhile, based on the installation position of a wireless transmitting terminal, range finding is more accurate. Comprehensively considering whether a current state is red light or green light, and whether vehicles exist in front, the method provides early warning information for current vehicles, allowing the current vehicles to safely and rapidly pass through a crossing. The system comprises a traffic information collecting and transmitting module, a vehicle wireless transmit-receive module, a self vehicle information collection module, a lane detection module, a vehicle display module, an acousto-optic alarm module, a power supply module and a data processing module. A whole system has a simple structure, is convenient to use, and provides accurate determination and early warning information for vehicle owners based on a provided algorithm.

The invention relates to a rock burst prevention method for deep tunnel excavation by adopting a TBM (Tunnel Boring Machine), aiming to solve the technical problem on lowering or eliminating the rock burst danger of the TBM in a strong-rock-burst tunnel section in an excavation process, improving the equipment utilization rate of the TBM and accelerating a construction schedule by means of pretreating a wall rock for the TBM to excavate. The rock burst prevention method for the deep tunnel excavation by adopting the TBM adopts the technical scheme comprising the following steps of: (a) excavating a pilot tunnel with the size smaller than the excavation contour line of the TBM in the strong-rock-burst tunnel section through which the TBM needs to pass for excavation by adopting a drilling and blasting method and monitoring microseisms before the TBM enters the potential strong-rock-burst tunnel section; and (b) releasing the stress of a strong-rock-burst part in the excavation process of the pilot tunnel and a part with potential rock-burst danger shown by microseismic monitoring. The invention is mainly used for deep hydraulic tunnels and deep traffic tunnels with high rock burst danger.

The invention provides a speed control system and method for a driverless vehicle passing through intersections. The speed control system comprises three sub-systems, that is, an automobile AVCS, a road information acquisition system and an intersection area control center system. The control and data transmission among the three sub-systems are connected and processed by a wireless computer. Thespeed control system and method realize the information interaction between the driverless vehicle and a vehicle and between the vehicle and a road, the factors of road surface texture, a vehicle running state, a road surface weather environment and a road intersection shape are considered, and the running speed of the driverless vehicle passing through the intersections on a dry road surface is measured and controlled, and at the same time, the driving behavior between vehicles in the intersection areas with large traffic flow is early warned. The speed control system can rapidly process thesafe driving behavior of urban road intersections, and can make real-time decision on the driving strategy of the intersections according to the changing state of road alignment to ensure the safety of vehicles in the process of passing through the road intersections.

The invention provides a navigation method and device. The method comprises the following steps: obtaining the present start point and terminal point of a user, according to the start point and terminal point, generating a planned route; obtaining the parameters of a present vehicle of the user and the parameters of each lane in the planned route, determining the drivable lanes for the user; determining the lane changing points on the drivable lanes, wherein the lane changing points at least comprise front lane number changing points and branch points of intersections; in each lane changing point before the terminal point, generating an optimal route from a current lane to a front lane, and showing each optimal lane to the user. The route guiding reaches the lane level, more real and safer information is provided for a user; moreover, in the intersection, detailed lane guiding information is provided, thus a user can rapidly and safely pass the intersection; due to precise lane data, more safety guarantees are provided for a user, and the accidents are reduced.

The invention discloses a heavy haul train cycle braking method and system based on double air braking pipes. The heavy haul train cycle braking method comprises the steps that, S1, the working condition of a train is monitored in real time, and route data and train operation data are acquired; S2, whether the condition of triggering air braking is met or not is judged according to the train operation data, and a braking strategy is made according to downhill slope way information of a route ahead; S3, cycle air braking under the double air braking pipes is carried out according to the selected braking strategy, the double air pipes brake in an alternate cycle mode, and the applying amount of power braking is adjusted in real time according to a route downhill slop way; S4, whether a trainspeed meets a mitigation condition or not is judged, if yes, mitigation speed increase is carried out, and when the train speed is mitigated to a limit speed, an appropriate braking strategy is selected again, and the air braking is carried out to reduce the train speed. According to the heavy haul train cycle braking method and system based on the double air braking pipes, the problem of the cycle braking of a heavy haul train on a long and large downhill slope is aimed, the double air pipes braking in the alternate cycle mode is adopted to reduce the train speed fluctuation, the average speed of the train on the long and large downhill slope is improved, the largest coupler force is lowered, and the train operation safety is secured.

The invention relates to a traffic management technology, in particular to a dynamic scheduling traffic management system and method which can effectively avoid the congestion phenomenon, and enable emergency vehicles to pass preferentially. The dynamic scheduling traffic management system comprises an image acquisition module, a wireless communication module, an intelligent cloud analysis platform, a main controller, a traffic light and a voice broadcast device, wherein the image acquisition module is in signal connection with the intelligent cloud analysis platform through the wireless communication module, the image acquisition module is also in signal connection with the main controller through the wireless communication module, and the intelligent cloud analysis platform is also in signal connection with the main controller through the wireless communication module; the main controller is also in signal connection with the traffic signal lamp and the voice broadcast device. The image acquisition module and the voice broadcast device are installed on the traffic light.

The embodiment of the invention provides a green wave passing method and device, and the method is applied to an edge server, and comprises the steps: obtaining traffic light state information and traffic light position information determined by a road side unit, wherein the traffic light position information carries a road side unit identifier; receiving a traffic light adjustment request sent bythe vehicle-mounted unit, wherein the traffic light adjustment request carries a target road side unit identifier; determining a target road side unit corresponding to the target road side unit identifier; generating an adjustment message according to the traffic light state information of the target road side unit; sending the adjustment message to the target road side unit, wherein the target road side unit is used for adjusting the traffic light state information according to the adjustment message. Therefore, vehicles can quickly and safely pass through the intersection, the passing efficiency is improved, and continuous green wave passing at multiple intersections is achieved.

The invention discloses a construction technology of large-inclined-angle and large-mining-height fully-mechanized coal mining equipment passing through a geological-structured fracture zone, relating to the field of coal mining technology. The construction technology is suitable for a fracture zone and comprises the procedures of cutting coal, transferring a hydraulic support and pushing a scraper conveyer, wherein the grouting reinforcement procedure of a coal wall and a top plate is carried out before coal cutting and particularly comprises the steps of drilling out grouting holes in the coal wall and the top plate of an return airway and a transportation roadway of the geological-structured fracture zone, wherein the grouting holes penetrate through the fracture zone; filling bi-component soluble silicate resin into the grounding hole, wherein the bi-component soluble silicate resin is permeated into gaps with widths of more than 0.14mm in the coal wall and the top plate and can bond the fracture zone after being solidified in short time. The construction technology can prevent roof caving and wall caving phenomena during coal mining in the fracture zone to the maximum extent.

The invention provides a bottom plate transportation type bridge passing ship lock. The ship lock is arranged in a river channel under a bridge and comprises an upstream lock, a midstream lock, a downstream lock, an upstream lock chamber, a downstream lock chamber and a water pumping device, wherein conveying rails are arranged at the tops of edge walls of the two lock chambers respectively; each conveying rail is internally provided with two hoists; a transportation rolling wheel is arranged at the bottom of each hoist; the hoists can move in the corresponding conveying rails through the corresponding transportation rolling wheels; a lifting rope which vertically falls into water is arranged on the side face, facing the corresponding lock chamber, of each hoist; and the lifting ropes are fixedly connected with a transportation bottom plate. By virtue of the bottom plate transportation type bridge passing ship lock, the water amount needing to be pumped in a ship navigation process is reduced, the electric quantity consumed by pumping water is reduced and the time spent on pumping the water is shortened; and the ship navigation efficiency is improved and the navigation time is shortened.

The invention discloses an intelligent warning system of pedestrian crossing and a control method of the intelligent warning system, and belongs to the technical field of intelligent traffic. The intelligent warning system comprises a controller, two groups of pedestrian identification cameras, two groups of vehicle speed detection cameras, two groups of laser emitters and two groups of projection warning lamps, wherein the pedestrian identification cameras are used for acquiring pedestrian image information of two pedestrian waiting areas, the vehicle speed detection cameras are used for acquiring vehicle image information and vehicle speed information of a vehicle driving towards the pedestrian crossing, the controller is used for performing risk estimation according to the received pedestrian image information, the vehicle image information and the vehicle speed information, so that the projection warning lamp is controlled not to work, project green light spot or project red light spot. By the intelligent warning system, the problems that pedestrian cannot be enabled to safely cross over the pedestrian crossing and the vehicle passing speed is easily affected by an existing pedestrian warning system are solved.

The invention relates to a system and a method for coordinating and controlling a pedestrian crosswalk under a bus special passage condition. The system comprises a vehicle detecting system, a pedestrian crosswalk detecting subsystem, a signal processing subsystem, a traffic signal control subsystem and a cross signal light, wherein the vehicle detecting system is used for detecting whether vehicles arrive at the cross or not, and transmitting information to the signal processing subsystem; the pedestrian crosswalk detecting subsystem is used for detecting whether pedestrians are at the cross, and transmitting the information to the signal processing subsystem; the signal processing subsystem is used for receiving the information transmitted by the vehicle detecting system and the pedestrian crosswalk detecting subsystem, controlling to give a green light to the vehicles or the pedestrians by comparing the current time with a preset time, and transmitting a result to the traffic signal control subsystem; the traffic signal control subsystem is used for receiving a signal control scheme generated by the signal processing subsystem so as to control the cross signal light; and the cross signal light is used for achieving the normal traffic order of the cross through the alternant twinkling of the green lights and the red lights. The system and the method can effectively achieve the equalization of the pedestrian crosswalk and the motor vehicle running efficiency on the road section.

The invention discloses a composite fast lane of highway entrances and exits. The invention can obviously improve passing capability and passing speed, can effectively unclog crowded roads, has real high-speed effect of a highway for people, saves more energy and time for the people, and has the effects of environmental protection and energy conservation. The composite fast lane is realized by adopting the following technical proposal that the prior three parallel lanes are combined into one unit consisting of a delivery lane (1), a composite lane (2), a main lane (3), a work booth (4), a gate (5) and a decelerator (6). The main lane (3) is arranged at the left of the composite lane (2) and the delivery lane (1), or arranged at the right of the composite lane (2) and the delivery lane (1). According to the reasonable utilization of the ground, the main lane (3) can also be arranged between the composite lane (2) and the delivery lane (1), the left and the right of the main lane (3) are provided with a group of the composite lane (2) and the delivery lane (1) respectively, and the method of combining five lanes as one unit can further improve benefits. The composite fast lane adopts the principle that after vehicles enter the main lane (3), the vehicles automatically enter the composite lane (2) to fetch cards and pay fees. The prior lanes are compounded to increase various effects.

A lightning protection system of a wind turbine is provided, including a blade lightning conductor arranged in a rotor blade of the wind turbine to extend into the hub, a stationary conductor to provide a blade grounding path to ground during a lighting strike, a brush arranged to electrically connect the blade lightning conductor and the stationary conductor, and a discharge means arranged to provide a separate discharge path from the blade lightning conductor to ground. Furthermore, a wind turbine, and a method of equipping a wind turbine with a lightning protection system, is also provided.

The invention relates to a high-clearance crawler-type inter-line tea picker based on hybrid power, which comprises a walking power mechanism, a lifting mechanism and a tea picking assembly, wherein the tea picking assembly comprises an auxiliary frame, a cutter and an induction unit which automatically senses the depth of tea picking by the cutter; the cutter and the induction unit are installedon the auxiliary frame; the induction unit comprises an induction board, an upward travel switch, a downward travel switch and a travel switch contact mounted on the induction board; the induction board covers a tea tree; when the travel switch contact is contacted with the downward travel switch, the lifting mechanism controls the tea picking assembly to descend on a whole until the induction board is lifted up by the tea tree and the travel switch contact is separated from the downward travel switch; and when the induction board is lifted up by the tea tree until the travel switch contact iscontacted with the upward travel switch, the lifting mechanism controls the tea picking assembly to rise on the whole until the travel switch contact is separated from the upward travel switch. The sizes of fresh leaves picked by the cutter are ensured to be uniform and the quality of tea is ensured.

The invention discloses a non-signalized intersection vehicle guiding device and a non-signalized intersection vehicle guiding method. The non-signalized intersection vehicle guiding device comprises a non-signalized intersection vehicle information collection module, a non-signalized intersection vehicle information processing module and a non-signalized intersection vehicle guiding module, wherein the non-signalized intersection vehicle information collection module is formed by a camera and a magnetic induction coil; the camera is used for acquiring the distance between vehicles within an intersection induction distance D and an intersection entrance driveway stop line and the driving speed of each vehicle; the non-signalized intersection vehicle information processing module is used for forecasting the time that the vehicles within the intersection induction distance D pass through an intersection and calculating the maximum alert speed and the minimum alert speed during driving of the vehicles; the non-signalized intersection vehicle guiding module comprises a mobile projection system which is arranged at the right side of a driveway and a dynamic display screen which is arranged beside the intersection entrance driveway stop line; the mobile projection system is used for guiding the vehicles to drive between the intersection induction distance D and a brake distance L; the dynamic display screen is used for guiding the vehicles to drive within the brake distance L. The traffic capacity of a non-signalized intersection is increased as much as possible under the situation that the safety of the vehicles is ensured.