46results about How to "Realize anti-collision" patented technology

The invention discloses a tracking method and system of time-varying formation of unmanned aerial vehicles. The tracking method includes steps: obtaining a communication topology relation of formationof the unmanned aerial vehicles; obtaining speed data and position data of a followed unmanned aerial vehicle of a current moment; obtaining speed data and position data of a following unmanned aerial vehicle of the current moment; obtaining a communication distance threshold and a safety distance threshold of formation of the unmanned aerial vehicle; determining an attraction and a repulsion between the following unmanned aerial vehicle and the followed unmanned aerial vehicle according to the position data of the followed unmanned aerial vehicle and the position data of the following unmanned aerial vehicle at the current moment, the communication distance threshold and the safety distance threshold; determining acceleration data of the following unmanned aerial vehicle at a next moment; and adjusting the motion state of the following unmanned aerial vehicle following the followed unmanned aerial vehicle at the next moment according to the acceleration data of the following unmannedaerial vehicle at the next moment. By employing the tracking method and system, the formation tracking effects of anti-collision and connectivity maintenance can be realized.

The invention relates to a method and a device for remotely monitoring an SAGD (steam assisted gravity drainage) horizontal well. An MGT (metal gate transistor) magnetic source is placed on a target position of a producing well after drilling completion, an MWD (measuring while drilling) device with an additionally-mounted MGT magnetic-induction sensor is placed in a gas injection well during drilling, the MGT magnetic source and the MWD device are combined to measure the size of a magnetic field generated by the MGT magnetic source and measure and calculate well track relative positions between the gas injection well and the producing well and calculate well track interval by using measured hole drift angles, azimuth angles and well depth variation, vector parallelism of the two wells is monitored integrally. By adopting the mode of matched using of MWD and MGT, well track parameters are measured in real time, and a variation trend curve chart can be displayed in monitoring software in real time; the well track interval is calculated by applying a novel algorithm through data analysis on the basis of a database, and well track collision preventing and deviation prewarning are realized; and fused comparison of static data and MWD data is realized, and well site and base monitoring integration is realized.

The invention relates to the technical field of a safety protection device in the bridge engineering construction, in particular to a flexible energy dissipation type pier anti-collision safety device with a composite structure. The invention aims at solving the problems that the safety of an automobile, pedestrians and a pier is difficult to be ensured when the automobile is rigidly collided with the pier in the prior art. The invention adopts a technical proposal at present: the flexible energy dissipation type pier anti-collision safety device with the composite structure comprises a steel anti-collision wall which takes the shape of a cylinder; the vertical hollow cross section of the anti-collision wall is rectangle; clamping arranged elastic energy dissipation material blocks along the horizontal direction are distributed in the anti-collision wall; a spring is arranged among every four elastic energy dissipation material blocks; the springs are horizontally clamped in the anti-collision wall; the bottom of the anti-collision wall is a base steel plate on which an anchor is arranged in a perforating way; and the upper end and the lower end of the inner side of the anti-collision wall are respectively provided with an energy dissipation piece horizontally. The invention has the advantages of: 1) high safety and good effect; 2) simple structure, easy construction, less engineering investment and convenient maintenance.

The invention discloses a safe driving system and method based on an electronic license plate. According to the driving method, unique bi-directional interactive mapping from a physical space to an information space of vehicles is realized by perceiving and feeding back the current road-concerned information, operating condition information of the vehicles around a current lane and driving state information of the current vehicles in real time. Real-time driving change strategies are provided for drivers to effectively prevent the occurrence of road traffic accidents.

The invention relates to the field of the Internet and particularly relates to a ship collision avoidance method and system with the integration of the Internet and a handheld AIS. The method comprises a step of starting a built-in AIS communication module in a mobile terminal to obtain AIS data of a small ship if the small ship equipped with the mobile terminal is in an area without an Internet signal or with an instable Internet signal, and spreading the AIS data to an AIS communication module communication range; allowing a shipborne AIS terminal in the AIS communication module communication range to receive AIS data, a step of starting the built-in AIS communication module in the mobile terminal if the small ship is in the area without an Internet signal or with an instable Internet signal, and using very high frequency to communicate with the shipborne AIS terminal in the AIS communication module communication range to realized the collision avoidance of the small ship, and a step of closing the AIS communication module if the small ship is in the area with a stable Internet signal and starting an Internet AIS collision avoidance mode to realize the collision avoidance of the small ship.

The invention discloses an intelligent early warning system for a tower type crane. The intelligent early warning system comprises a supervision center, an alarming platform, a transmission network, a data processing module, a communication module, a data acquisition module and an early warning unit, wherein the alarming platform and the transmission network are respectively connected with the supervision center; the data processing module is connected to the transmission network through the communication module; and the data acquisition module and the early warning unit are respectively connected with the data processing module. According to the intelligent early warning system disclosed by the invention, safety early warning equipment of the tower type crane is combined with wireless communication, so that the remote early warning function of the tower type crane is achieved and a technical support for deep-level fault diagnosis and performance estimation is provided; meanwhile, the multi-system cooperative work and multi-tower collision-preventing early warning function based on wireless communication of a local area network are achieved.

The invention relates to the field of unmanned vehicles, namely the field of unmanned driving or automatic driving, in particular to an anti-collision method for an unmanned vehicle. The method comprises the following steps of: acquiring obstacle information around the unmanned vehicle; screening a first target obstacle according to the information of the unmanned vehicle and the obstacle; comparing whether the first target obstacle is located within the safe distance of the unmanned vehicle or not; if the first target obstacle is located within the safe distance and the unmanned vehicle is ina moving state, the unmanned vehicle is braked; and if the first target obstacle is located within the safe distance and the unmanned vehicle is in a stationary state, the unmanned vehicle kept stationary. According to the method, the target can be accurately screened, slow braking of the unmanned vehicle can be achieved, and rollover caused by braking is avoided.

The invention relates to the technical field of vehicle safety protection, in particular to a vehicle door lock control method and device, and the method comprises the steps of obtaining each region image and the position information of each region image in a corresponding to-be-recognized image through detection from each to-be-recognized image, collected by image collection equipment, in a current time range, wherein the region image comprises a target object, and the image acquisition equipment faces the advancing direction of the target object; calculating a distance value between each target object and the image acquisition equipment according to each piece of position information; and according to the calculated distance values, determining whether locking control is carried out on the vehicle door of the vehicle or not, so that anti-collision control over the vehicle door can be achieved on the premise that the cost is low.

The invention relates to a remote control system for a gantry crane. The remote control system comprises a cloud server platform, a client, a remote control operation table, a fixed base station, a gantry machine monitoring terminal, a grab bucket monitoring part and a bow and stern positioning device. The cloud server platform is connected with the client and the remote control operation table through a fifth switch. The cloud server platform is connected with the portal machine monitoring terminal through a 5G communication module, and the portal machine monitoring terminal is connected with the grab bucket monitoring part. The portal machine monitoring terminal, the grab bucket monitoring part and the bow and stern positioning device are all in communication connection with the fixed base station. According to the remote control system for the gantry crane, remote control of the gantry crane is achieved, communication networking with a production dispatching system can be achieved, and the technical support is provided for unmanned operation of a wharf, cost reduction and efficiency improvement.

The invention relates to the field of internet, in particular to a combined internet and handheld AIS (automatic identification system) marine anti-collision method and system; the method comprises: if both a first small ship carrying a first mobile terminal and a second small ship carrying a second mobile terminal are in an area with no internet signal or with instable signal, starting a first AIS communication module built in the first mobile terminal and a second AIS communication module built in the second mobile terminal so that the first AIS communication module acquires first AIS data of the first small ship and broadcasts the first AIS data to a communication range of the first AIS communication module; when the small ships are in the area with zero internet signal or with instable internet signal, starting the first AIS communication module to use very high frequency to communicate second mobile terminals of other small ships in the communication range of the first AIS communication module so that collision of the small ships is prevented.

The invention discloses a crane with an anti-collision control system. The crane is characterized in that the crane is started; a positioning camera is started, and a buckle plate is positioned and leveled through a standard database; and the anti-collision control system is started, and all-around anti-collision protection on an inhaul cable, the buckle plate and a container is formed by rotating a laser radar. By means of the method, all-around protection can be achieved, particularly the thin inhaul cable can be protected, and the safety problem is avoided.

The invention relates to a cover body assembly, a radar assembly and a cleaning robot. The cover body assembly comprises a cover body, which is provided with a collision part, which is provided with a central axis; and an induction part arranged on the circumferential side wall of the collision part in a surrounding mode in the circumferential direction of the collision part, wherein the surrounding angle of the induction part is smaller than or equal to 180 degrees; the surface of the side, away from the collision part, of the induction part is constructed to be a collision face which is arranged around the central axis and protrudes outwards out of the circumferential side wall. When an obstacle occurs, the collision surface of the sensing part located on the front side of the collision part of the cover body firstly makes contact with and collides with the obstacle, the collided sensing part can generate a sensing signal, and a control system of the machine body can know that the obstacle exists in front according to the sensing signal and avoid the obstacle. Compared with the prior art, collision can be prevented, the collision sensitivity of the radar cover is improved, and the machine body can judge obstacles more reliably. In addition, the whole machine is easy to assemble, materials are few, the assembling efficiency is improved, and the production cost is reduced.

The invention discloses a car insurance information acquisition device. The car insurance information acquisition device comprises a shell (1), a rotary support column (2), a video acquirer, a storage and a sealing cover (3), wherein the rotary support column (2) is arranged at the bottom of the shell (1), and can freely rotate; a through hole (4) matched with the lens of the video acquirer is arranged on the shell (1); an opening is also arranged on the side surface of the shell (1); the sealing cover (3) is hinged with the shell (1), and used for sealing the opening by rotation; and the storage is connected to the video acquirer, and used for storing video acquisition data. By means of the car insurance information acquisition device disclosed by the invention, the problem that a camera can be easily damaged in an accident in the prior art can be overcome; and thus, car anti-collision is realized.

The invention provides a full-automatic filling system. The full-automatic filling system comprises a conveying device, at least two multi-coordinate-axis rotating beam devices, at least one first camera, at least one second camera, a control and a visual identification system, and a plurality of rows of filling barrels are placed on the conveying device; a filling system support is arranged on the side part of the conveying device or the filling system stretches across the upper part of the conveying device; the at least two multi-coordinate-axis rotating beam devices are mounted on the filling system support and are positioned above the filling barrels; the at least one first camera are arranged above the working area of the filling barrels; the at least one second camera are arranged above the motion coverage area of the multi-coordinate-axis rotating beam devices; the control system is correspondingly connected with the conveying device, the multi-coordinate-axis rotating beam devices, the first cameras and the second cameras; and the visual identification system is connected with the first cameras and the second cameras and used for processing image information. According to the full-automatic filling system, a plurality of mutually independent filling tools capable of moving at multiple degrees of freedom are arranged in a working area of a single station to work together at the same time, so that the filling efficiency is improved. Anti-collision of a filling tool and a movement mechanism can be achieved when the filling tool and the movement mechanism cooperate together, and simple array expansion of multiple stations of the same work is achieved.

The invention discloses a method for eliminating an idle stroke and preventing collision for grinding processing. The method is characterized in that effective grinding is divided into a black skin grinding stage, a coarse-feeding grinding stage, an enhancement grinding stage and a light-delay grinding stage, wherein idle stroke eliminating is performed by adopting fast forwarding and fast trending in idle stroke feeding before effective grinding, and a real-time current signal of a grinding wheel shaft drive motor is acquired to determine a contact state between a grinding wheel and a workpiece; fast forwarding amount and fast trending amount of the idle stroke are defined according to settings of a to-be-processed part, fast forwarding speed and fast trending speed are preset, a fast trending function test is set before the first part of the whole batch of the parts of the same specification is processed, a current value of the grinding wheel shaft drive motor is no-load current whenfast trending function test is set for forwarding, the current value of the grinding wheel shaft drive motor is set as target current when fast trending is set to be ended, target current is three times that of no-load current, and collision prevention is realized by determining whether real-time current of the grinding wheel shaft drive motor in fast trending function test reaches fast forwarding amount and fast trending amount or not for regulating target current, so that grinding efficiency and machine tool safety are improved.

The invention discloses an electronic equipment mounting cabinet with an anti-collision function. The electronic equipment mounting cabinet comprises a cabinet body, wherein movable holes are formed in the two ends of the surfaces of the two sides of the cabinet body correspondingly, guide columns are movably mounted on the inner sides of the movable holes, a connecting plate is fixedly arranged at one end, close to the cabinet body, of the guide column, a first spring is fixedly arranged between the connecting plate and the inner side wall of the cabinet body, a buffer plate is fixedly arranged at the end, away from the connecting plate, of the guide column, an installation cylinder is fixedly arranged in the middle of the upper end of the cabinet body, a movable column is movably installed on the inner side of the installation cylinder, a second spring is fixedly arranged between the movable column and the bottom end of the inner side of the installation cylinder, and installation members are fixedly arranged on the two sides of the installation cylinder at the upper end of the cabinet body respectively. According to the invention, external force on the cabinet body is relieved through the first spring to achieve the anti-collision purpose, and the second spring and the third spring are compressed through the protection plate, so that the external force or the falling force of heavy objects is relieved so as to achieve the buffering purpose.