53results about How to "Improve recovery success rate" patented technology

The invention discloses a fully-driven autonomous underwater vehicle structure and a recovery three-dimensional path tracking method, which provides a three-stage recovery three-dimensional path tracking method and an improved non-singular terminal fuzzy sliding mode control algorithm for a robot recovery straight-line homing stage and a straight-line tracking stage. The three-dimensional path tracking method divides the recovery path into three segments, and transforms each segment of the curve into a sequence of spatial discrete points to track and control it. In the sliding mode control, the improved fuzzy sliding mode algorithm of non-singular terminal is designed to realize multiple sliding modes, and the sliding mode gain is real-time optimized by the fuzzy algorithm, so that the target point can be tracked quickly and steadily, the 3D path tracking performance can be enhanced, and the recovery success rate can be improved.

The invention relates to a recovering device for recovering a UUV (underwater unmanned vehicle) on the water surface of a USV (unmanned surface vehicle) based on a flexible arm. The recovering deviceis characterized by comprising a recovering control module, an oil path control unit, a hydraulic oil filling device, a flexible capturing belt and a suspending swing arm device; the recovering control module is arranged in a cabin of the USV; one end of the suspending swing arm device is arranged on a deck on the USV, and the other end of the suspending swing arm device is connected with the hydraulic oil filling device; a rolling wheel is arranged in the center position of the hydraulic oil filling device; the flexible capturing belt is curled on the rolling wheel; the oil path control unitis arranged on the hydraulic oil filling device; the recovering control module is sequentially connected with the oil path control unit, the hydraulic oil filling device and the flexible capturing belt; and the recovering control module is connected with the suspending swing arm device. The recovering device has the following beneficial effects: the recovering method provided by the invention adopts a flexible arm technology, is suitable for recovering the revolved body type UUV, does not have any interface requirement on the UUV, avoids influence on the overall performance of the UUV and hasconcise recovering step.

The invention discloses a water surface UUV (unmanned surface vessel) recycling device based on an electromagnetic mushroom head engage switch. The water surface UUV recycling device comprises a recycling control module, a rotary swing arm device, a suspending telescopic rod, a hydraulic transmission device, a spring and an electromagnetic engage switch. The recycling control module is arranged ina cabin of a USV and can achieve remote communication with a shore station, a base of the rotary swing arm device is fixed to a deck of the USV through screws, the top of the rotary swing arm devicemakes the rotary swing arm device be fixed to one end of the suspending telescopic rod through a connection rod casing, one set of hydraulic transmission device used for controlling stretching and contracting of a cantilever telescopic rod is arranged in the suspending telescopic rod, the direction of the cantilever telescopic rod is regulated through self rotation of the rotary swing arm device,and the other end of the cantilever telescopic rod is welded to the electromagnetic engage switch through the spring. The invention further discloses a water surface UUV recycling method. The water surface UUV recycling device and method have the beneficial effects that the device and method can realize simple, convenient and firm butt joint, and the recycling efficiency and the success rate are greatly improved.

The invention discloses a beacon system and searching method for searching multiple targets on a sea surface. The beacon system comprises a beacon device which is connected with each target on the sea surface, wherein the beacon device comprises a beacon GPS positioning unit used for obtaining the location information of the beacon device and a beacon wireless communication unit in communication with an onboard wireless communication unit, an onboard data center is in communication with the beacon wireless communication unit through the onboard wireless communication unit, the onboard data center acquires the location information of ships through an onboard GPS positioning unit, and the onboard data center outputs data information through an input-output unit and receives operation commands. According to the beacon system for searching multiple targets on the sea surface, the beacon device having the GPS positioning function and the wireless communication function is connected to detection equipment to be recovered, namely each target on the sea surface, and due to the fact that each beacon device has a unique ID number which can be recognized by the onboard data center and is connected with the corresponding target on the sea surface, the targets on the sea surfaces are found as long as the beacon devices are found.

The invention discloses an air suspension type unmanned aerial vehicle quick recovery system comprising a carrier, a suspension device and a recovery mechanism. When recovering, the carrier opens thehatch door and releases the suspension device stored in the form of package. During the deceleration process of the deceleration parachute, the air floater realizes the air hovering through the gas filled in the separable inflatable cylinder, and drives the deployment of several recovery net devices by relying on the detached inflatable cylinder. After the suspension device is stabilized, the UAVdocks with the suspension device by colliding with a net, realizes the recovery of the UAV, and then recovers the suspension device by using an aeronautical winch and other mechanisms, and completes the whole air-based recovery process. The invention can safely and continuously recover a plurality of unmanned aerial vehicles (UAVs) in the air, thereby improving the success rate of recovery and theoverall safety; And the suspension device only relies on its own buoyancy flight, do not need to provide excess energy power, the entire recovery system equipment is simple, low cost, but also can berecycled.

The invention relates to the technical field of medical device for intervention operation, and relates to an implant recycling apparatus and application and packaging thereof, and especially relates to capture of implants, recycling device and application in the recycling device of inferior vena cava filter and its packaging, wherein the implant catcher includes a catching sheath and a catching unit slidably disposed within the catching sheath relative to the catching sheath and configured to be able to push and pull into and out of the distal port of the catching sheath to catch the implant,the distal port of the catching sheath being an oblique port. As that implant recovery device of the invention can solve the problem that the implant of the prior art cannot be recovered when the implant is fed back into the sheath, the operation difficulty is low, the recovery success rate of the implant is high, and the implant is convenient to use.

The invention belongs to the technical field of long-term in-situ monitoring of deep sea surface mineral mining sediment disturbance, and relates to a deep sea polymetallic nodule mining sediment environment monitoring device. The monitoring system is provided with a Doppler current profiler, a natural potential feeler lever, a turbidimeter and an underwater camera. Long-term in-situ observation of sediment disturbance can be achieved, mechanical recovery of probe rod type equipment can be achieved, a large mechanical device is not needed, the overall weight of recovery equipment is reduced, and the probability of successful recovery of the equipment is increased. Compared with existing seabed long-term in-situ observation equipment, the device disclosed in the invention is more environmentally friendly, efficient, capable of saving energy and reliable.

A long-service-life cement sheath eccentric rolling extrusion crushing tool assisting in casing recycling comprises a main shaft, an upper roller, a piston, a torque clamping sleeve, a movable roller, a lower roller, bearings, a centralizer and a lower connector, the movable roller is installed on the main shaft through the two sets of bearings and the torque clamping sleeve under the action of the centralizer, and the movable roller is located between the upper roller and the lower roller; an upper roller and a lower roller are mounted on the main shaft through two groups of bearings, a lower joint is mounted at the bottom of the main shaft in a threaded connection manner, a cylindrical water nozzle is formed in the lower joint, the internal throttling pressure difference of the tool can be controlled by adjusting the diameter of the cylindrical water nozzle, the total lateral thrust of a piston is controlled, and the movable roller'rolls' a sleeve in a rolling contact manner; the process is similar to the road surface rolled by automobile wheels, the radial damage width of the damage of the cement sheath is gradually increased under the upward pulling action of a drilling machine until the whole expected underground well cementation cement is completely damaged, and the method has positive reference and popularization value for improving the casing recovery operation mode.

The invention discloses a use method of a mobile radioactive source supervision system. The use method comprises the following steps that an image acquisition module is installed on a transport compartment to monitor the peripheral environment of the transport compartment and the placing situation of a radioactive material storage container in the compartment in real time; the image acquisition module transmits real-time image data to a vehicle-mounted control host under the normal situation, and the vehicle-mounted control host processes the received image signals and then divides the signals into two paths, wherein the first path is outputted to a large-capacity storage module to be cached and reserved, and the second path is outputted to a wireless communication module and the necessity of taking corresponding measures is determined by a remote terminal; and as for the stolen radioactive material storage container, a GPS positioning module is installed on the container, the container can be positioned and tracked and the latitude and longitude coordinates of the location of the container can be reported in real time so that transport personnel and safety personnel are enabled to immediately search and take the container.

The invention relates to the technical field of a medical device for intervention operation, in particular to a sheathing canal and recycling apparatus for recycling an implant and an application thereof in recycling an inferior vena cava filter. A remote port of the sheathing canal for recycling the implant is used for the implant to enter, a wall of the sheathing canal for recycling is providedwith a notch on the remote port, and an opening length of the notch is greater than or equal to a bottom length of the notch. An implant catcher comprises the recycling sheathing canal and a catchingunit, and the catching unit is arranged in the recycling sheathing canal in a manner of sliding relative to the recycling sheathing canal and is configured as being capable of entering and existing the remote port of the recycling sheathing canal in a push and pull manner so as to catch the implant. By adopting the implant recycling apparatus, the problem that the implant cannot be recycled due tothe clamping or seizure at the opening of the recycling sheathing canal can be solved, the operation difficulty is low, and the recycling success rate of the implant is high.

The invention discloses an application method of a monitoring device for a mobile radioactive source, which comprises a vehicle-mounted control host, an image acquisition module, a display module and a GPS positioning module and further comprises a wireless communication module, an alarm module, a radiation detection module and a pressure sensor. Under normal conditions, a camera transmits real-time image data to the vehicle-mounted control host, the vehicle-mounted control host processes received image signals into three paths, the first path is outputted to a high-capacity storage module so as to be cached and reserved, the second path is outputted to the display module so as to be checked by the transport personnel in real time, the third path is transmitted to the wireless communication module and then transmitted to a remote terminal through the communication module, the remote terminal determines whether it is necessary to take corresponding measures or not, that is, the remote terminal determines whether to transmit a command to an alarm or not so as to give an alarm and prompt an operator on duty.

The invention relates to a recovering device for recovering a UUV (underwater unmanned vehicle) on the water surface of a USV (unmanned surface vehicle) based on a flexible arm. The recovering deviceis characterized by comprising a recovering control module, an oil path control unit, a hydraulic oil filling device, a flexible capturing belt and a suspending swing arm device; the recovering control module is arranged in a cabin of the USV; one end of the suspending swing arm device is arranged on a deck on the USV, and the other end of the suspending swing arm device is connected with the hydraulic oil filling device; a rolling wheel is arranged in the center position of the hydraulic oil filling device; the flexible capturing belt is curled on the rolling wheel; the oil path control unitis arranged on the hydraulic oil filling device; the recovering control module is sequentially connected with the oil path control unit, the hydraulic oil filling device and the flexible capturing belt; and the recovering control module is connected with the suspending swing arm device. The recovering device has the following beneficial effects: the recovering method provided by the invention adopts a flexible arm technology, is suitable for recovering the revolved body type UUV, does not have any interface requirement on the UUV, avoids influence on the overall performance of the UUV and hasconcise recovering step.