38results about How to "Embody adaptability" patented technology

The invention discloses an adaptive detection method for a distance expanded object based on a variable-element generalized structure, belongs to the field of radar signal processing. Aimed at solving the problem that a covariance matrix estimation method and an adaptive distance expansion detector are hard to adapt to a transitional clutter environment, clutter non-Gaussian characteristic information is utilized reasonably, a unified covariance matrix fusion estimation framework is constructed, an adaptive detector of the distance expanded object is constructed in a product fusion form on the basis of general characteristics of detection statistics of present optimal distance expanded objects in the specific clutter environment, a single parameter is utilized to realize design of the detector for the distance expanded object in the transitional clutter environment as well as synchronous control of the corresponding clutter covariance matrix estimation method, the detector structure matches the corresponding clutter covariance matrix estimation method, parameters are set in a concise manner, the detection performance of a broadband radar in the complex clutter environment is improved effectively, and the popularization and application values are high.

The invention discloses an intelligent driving system of a street lamp based on an LED array, comprising a bridge rectification circuit, a quasi-resonance period DC / DC conversion circuit, an LED illumination module circuit, a current / voltage detecting circuit, a photoelectric insulation circuit, a microprocessor and a microprocessor peripheral circuit. Compared with the prior art, the intelligent driving system of the street lamp based on the LED array utilizes the microprocessor to control and manage the photoelectric heat dynamic characteristic of an LED, thereby improving the working reliability of the LED and achieving the energy-saving purpose. The invention also provides an energy-saving control method of a street lamp, which enables the intelligent driving system of the LED street lamp to make adaptation and adjustment according to the luminescence characteristic change caused by the change of exterior conditions such as working temperature, and the like so as to achieve optimal illumination effect and optimize the illumination efficiency of an LED street lamp system.

The invention relates to an interference method based on adaptive random-relayed TCP / IP network hidden-time signal path, which belongs to the technical field of network safety. Network data packets are stored in an interference gateway buffering area and data packets in the queue are sequentially transmitted; every data packet on the first position of the queue is randomly delayed, the maximum value of the random delay is influenced by the length of the queue, when the queue is long and the network is crowded, the maximum value of the random delay is reduced, and the transmitting speed of the random delay is accelerated, thus, the method has adaptability on the network flow. The invention effectively interferes the network hidden-time signal path, reduces the capacity of the signal channel, and guarantees a certain network service quality so as to be used for the interference of the hidden-time signal path of the actual network system.

The invention relates to a distributed type power supply parameter monitoring method and system based on a GPRS / GIS. The system comprises a remote collection terminal, a GPRS / SMS data communication unit and a distributed type power supply monitoring center, and the remote collection terminal is in data communication with the distributed type power supply monitoring center through the GPRS / SMS data communication unit. The method and system can finish integration of GIS spatial data and telemetry and telecontrol relational data, and the target of the distributed type power supply parameter online monitoring system is achieved; the system regards a public wireless data communication mode as a data transmission means, telemetry and telecontrol are achieved with a low cost, and meanwhile the system flexibility and adaptability are represented; the system achieves online detection on distributed type power supply parameter change situations, working states of distributed type power supplies can be monitored at any time in a remote monitoring mode, the whole distributed type power supply system can be in the optimal working state with assistance of an auxiliary decision and analysis system, and the monitoring function is played to the maximum extent.

The invention relates to interpenetrating polymer network jelly and a preparation method and application thereof; the jelly is prepared by preparing jelly condensate from polyacrylamide, water-soluble phenol-formaldehyde resin, soluble starch, acrylamide, ammonium persulfate, N,N-methylenebisacrylamide and water, and gelling at 30-90 DEG C. The controllable gelling time of the interpenetrating polymer network jelly is 0.5-5 h under pH of 7-11 and mineralization degree of 0-17000 mg / L. The interpenetrating polymer network jelly is of phenol-formaldehyde resin crosslinked polyacrylamide and starch-acrylamide aqueous gel; under the synergy of the specific interpenetrating network structure and molecular chain, the jelly also has the high viscosity and high uniformity in the phenol-formaldehyde resin crosslinked polyacrylamide as well as the high strength and mineralization resistance in the starch-acrylamide aqueous jelly, and has good sealing capacity and washout resistance.

The invention discloses a radar target fusion detection method based on non-Gaussian parameters, and belongs to the field of radar signal processing. The method comprises the steps: achieving the design of an adaptive detector in a transition clutter environment and the synchronization control of a corresponding clutter covariance matrix estimation method through a single parameter for the spatio-temporal gradual change of the clutter non-Gaussian degree in an actual environment, and constructing a unified covariance matrix fusion estimation frame, which covers the conventional optimal or second optimal estimation methods for a sampling covariance matrix, a normalized sampling covariance matrix, an approximate maximum likelihood estimation matrix. A proposed detector structure can be compatible with and cover the optimal or second optimal adaptive detectors under the Gaussian and complex Gaussian clutter backgrounds, can adapt to the transition clutter environment between the Gaussian and complex Gaussian clutter backgrounds, is adaptive to the spatio-temporal gradual change of the clutter non-Gaussian degree in the actual environment, and is wide in potential application range.

The invention discloses an optical cable testing device, belonging to the technical field of optical cable testing equipment. The optical cable testing device comprises a cabinet body, a power transmission mechanism, a cam mechanism, a steel wire twisting testing device and an optical cable winding testing device, wherein the cabinet body is provided with a cabinet body chamber; an optical cable transition guide mechanism, a traction transmission mechanism and an optical cable twisting mechanism are arranged on the cabinet body; the optical cable transition guide mechanism is positioned at the upper part of a left cabinet wall; the optical cable twisting mechanism is positioned at the lower part of the left cabinet wall; the traction transmission mechanism corresponds to the rear side of the optical cable twisting mechanism; the power transmission mechanism is arranged inside the cabinet body chamber; the cam mechanism is connected with the power transmission mechanism and is connected with the traction transmission mechanism; the steel wire twisting testing device is arranged on one side opposite to the cabinet body chamber corresponding to the left cabinet wall of the cabinet body and is connected with the power transmission mechanism; the optical cable winding testing device is arranged inside the cabinet body chamber. The action transmission procedures are reduced, the structure is simplified, the testing effect of an optical cable is ensured, the optical cable is rapidly and reliably clamped, the working intensity is alleviated, basis is provided for setting of the optical cable winding testing device, power for the steel wire twisting testing device can be converted, and the optical cable testing device is applicable to different testing items.

The invention discloses an algorithm for carrying out feature extraction, classification and identification on burial area invasion vibration signals. The algorithm is suitable for multi-grating sensing and detection systems, and comprises the following steps of: acquiring vibration signals through a multi-grating sensor network; carrying out decomposition by utilizing an EEMD algorithm so as to obtain an IMF component; calculating an EEMD energy entropy; eliminating interferences of un-artificial signals; carrying out feature extraction; and finally carrying out classification, identification and early warning on invasion signals by adopting a support vector machine which is optimized through a particle swarm algorithm. According to the algorithm disclosed by the invention, the alarm correctness is improved, the false alarm rate is reduced and a practical value is provided.

The invention discloses an early warning system for rail strong wind monitoring, which comprises a strong wind monitoring and controlling data center, a plurality of strong wind monitoring points, a DMIS network and a TMIS network, an exchange server which connects the DMIS network and the TMIS network at same time, a train dispatching center and a monitored train, wherein the strong wind monitoring and controlling data center real-timely gets wind speed data from a plurality of strong wind monitoring points; the strong wind monitoring and controlling data center gets real-time operation information and train marshalling and type information of the monitored train from the DMIS network and the TMIS network through the exchange server; the strong wind monitoring and controlling data center sends a real-time speed limit command to the train dispatching center which transmits the real-time speed limit command to the monitored train. The invention also discloses an early warning method for the rail strong wind monitoring. The system and the method can effectively ensure the safe operation of the train in wind areas.

A communication cable for ducts belongs to the technical field of wires and cables. The communication cable comprises a cable core, a first lapped covering and a sheath layer, the cable core comprises a plurality of data wire pairs, and each data wire pair comprises a pair of conductors and covering layers respectively covering the conductors. The communication cable is characterized in that: the cable core also comprises second lapped coverings, third lapped coverings, a central reinforcement and earth wires, each data wire pair is lapped by one of the second lapped coverings, the second lapped coverings are lapped by the third lapped coverings, the number of the earth wires is equal to the number of the data wire pairs, the earth wires respectively accompany one of the data wire pairs, the central reinforcement is positioned in the center of the cable core, glass fibers are bundled together and covered by a polyester lapped tape to form the central reinforcement, and the data wire pairs surround the central reinforcement and are stranded on the central reinforcement. The communication cable has the advantages that: the communication cable can meet the requirement of large-angle laying in ducts; the communication cable can be adapted to environmental conditions well; and the communication cable can prevent outside moisture from entering the data wire pairs, thus guaranteeing the communication effect.

The invention discloses a multi-level single-component refrigeration natural gas liquefaction system and a multi-level single-component refrigeration natural gas liquefaction method. Purified natural gas is cooled gradually in six heat exchangers (evaporators) and a plate fin type heat exchanger (natural gas subcooler) until being liquefied. Cold energy required by the liquefying process is provided by a propane system, an ethylene system and a methane system. The system is rich in adjusting means, the cold energy matched with the natural gas liquefying process can be provided for the naturalgas liquefying process, and thereby operational flexibility and adaptability to raw materials of the method are embodied. The system and the method have the advantages that the natural gas liquefyingprocess is low in energy consumption; refrigerant compressors are all single-component compressors, so that design is easier, purchase is more convenient, the compressors are more stable in operation, domestic equipment can be used, and construction investment of liquefaction factories can be effectively reduced; and the liquefying process is wide in heat exchanger selection range, and a cold boxstructure and a tube-shell structure can be used simultaneously or alternatively.

The invention discloses a motor lead for a new energy pure electric vehicle, and belongs to the technical field of electric wires and cables. The motor lead comprises a cable core, isolation paper and an outer sheath, wherein the isolation paper is extruded outside the cable core, and the outer sheath is positioned outside the isolation paper. A signal cable core and a group of power leads are stranded to form the cable core, the signal cable core comprises a group of signal wire cores, a filler strip, a lapping layer, a braided layer, an inner sheath and a ground wire, a coating layer is extruded on each signal wire core, the filler strip is positioned in the middle of the signal wire cores, the lapping layer laps outside the signal wire cores, the braided layer and the inner sheath are sequentially arranged outside the lapping layer from inside to outside, the ground wire is positioned between the lapping layer and the braided layer, the outer sheath is a soft polyether type polyurethane sheath, and the inner sheath is a thin-walled polyester elastic body. The motor lead has the advantages that the motor lead is better in scouring abrasion resistance, greasy dirt resistance and flexibility, vibration of the inside cable core can be decreased, the signal cable core can be individually protected in an enhanced manner and separated from the power leads, interference caused by external electromagnetic waves can be prevented, and adaptability to service environments is effectively reflected.

The invention discloses a ternary-cycle cascade refrigeration natural gas liquefaction system and a method thereof. Heat is transferred from a relatively low temperature level cycle to an adjacent relatively high temperature level cycle: a first stage propylene refrigeration cycle provides cold energy for natural gas, refrigerant ethene, and formulated refrigerant; a second stage ethene refrigeration cycle provides cold energy for the natural gas and the formulated refrigerant; and a third stage formulated refrigerant refrigeration cycle provides cold energy for the natural gas and the formulated refrigerant itself. Through the cooling by seven heat exchangers and one plate-fin heat exchanger, temperature of the natural gas is reduced gradually till the natural gas is liquefied. In the invention, temperature of purified natural gas is reduced gradually in seven heat exchangers and one plate-fin heat exchanger till the purified natural gas is liquefied. The cold energy needed in a liquefaction process is provided by the three systems of propylene refrigerant, ethene refrigerant, and formulated refrigerant. The systems have abundant adjusting means, and can provide matching cold energy for the natural gas liquefaction process, thereby showing operation flexibility and adaptability to raw materials of the method.

The invention relates to a blue-sheep-simulation rigid-flexible coupling buffer anti-skid hoof. The hoof comprises a first side edge zigzag form structure, a second side edge zigzag form structure, afirst hoof toe rigid split structure, a second hoof toe rigid split structure, a first rubber hoof baseplate flexible split structure and a second rubber hoof baseplate flexible split structure; the interiors of the hoof toe rigid split structures are hollow, the bottoms and heels of the outer sides of the hoof toe rigid split structures and the rubber hoof baseplate flexible split structures forma rigid-flexible coupling structure, the bottoms of the outer sides of the hoof toe rigid split structures are in an inward concave state, and the rubber hoof baseplate flexible split structures arein an inward concave state. Through barb-shaped side edge zigzag form structure distributed on the outer side faces of the hoof toe rigid split structures, curved surfaces of the bottoms of the hoof toe rigid split structures in the front-rear and left-right directions and rigid-flexible coupling of outer and middle sides of the hoof toe rigid split structures, the biomechanics functions of skid prevention, buffer and pavement adaption of slope movement of the hoof are effectively unified and combined, and the motion stability and safety of the hoof are improved.

The invention provides a bionic robotic fish cluster navigation simulation method based on the deep reinforcement learning technology, and relates to the technical field of multi-agent path navigation planning. The method comprises the following steps: firstly, constructing a 3D fish swarm environment model, and then constructing an agent model of a bionic robotic fish cluster in the 3D fish swarm environment; the intelligent agent model comprises a perception model, a movement model and a decision-making model; constructing a reward function of the fish swarm cluster, and introducing a curiosity mechanism into the reward function; constructing a distributed training framework of an agent model based on a curiosity mechanism and a PPO2 algorithm, and enabling an agent to obtain a behavior strategy in a learning mode; and finally, training an agent model based on the constructed distributed training framework to realize navigation simulation of the bionic robotic fish cluster. According to the method, a virtual fish school can learn reasonable fish school behaviors in a 3D environment, and the method is applied to bionic robot fish school navigation behaviors in the real world.

The invention relates to a turnover box conveying device and belongs to the technical field of light industrial product assembly line production equipment. The device comprises a gutter channel, a movable trolley frame, a movable trolley, a turnover box supporting box lifting mechanism, a turnover box supporting box, a turnover shaft driving mechanism and a turnover box supporting and releasing mechanism, wherein turnover box cavity partition plates are fixed to an upper portion of the gutter channel in the length direction of the gutter channel, the space between every two adjacent turnover box cavity partition plates forms a turnover box cavity, a gutter channel trolley receding cavity is formed between a lower portion of the gutter channel and a terrace, the movable trolley frame is arranged in the gutter channel trolley receding cavity, the moving trolley is arranged on the moving trolley frame, the turnover box supporting box lifting mechanism is arranged on the moving trolley, the turnover box supporting box is connected with the turnover box supporting box lifting mechanism, the turnover shaft driving mechanism is arranged on the front side or the rear side of the gutter channel, and the turnover box supporting and releasing mechanism is arranged between the front side and the rear side of the water flowing groove and connected with the turnover shaft driving mechanism.The device is advantaged in that the requirement that the turnover box rises or falls at the position, corresponding to any workstation on one side of the assembly line groove, of the turnover box according to needs and is transferred to the lower workstation is met, and adaptability to flexible changes of small-batch orders and even special customization is embodied.

Provided is a pneumatic vibration cotton feeding box. The pneumatic vibration cotton feeding box comprises an upper cotton box, a lower cotton box, a cotton suction mechanism, a lower cotton box cotton guiding cavity fiber feeding mechanism, a beater, a fiber feeding roller driving mechanism, a beater driving mechanism, a lower cotton box cotton guiding cavity cotton discharging mechanism, a fiberoutput curtain mechanism and a vibrating plate swinging driving mechanism; a left shield and a right shield are connected to the upper part of the front and rear sides of the lower cotton box; cottonbaffles are positioned in the middles of the front and rear sides of the lower cotton box, the upper end of a vibrating plate is pivoted at the middle part between the front and rear sides of the lower cotton box, and the lower end of the vibrating plate is a free end; the lower cotton box cotton guiding cavity fiber feeding mechanism is supported between the front and rear sides of the lower cotton box; the beater is supported between the front and rear sides of the lower cotton box; the fiber feeding roller driving mechanism and the beater driving mechanism are arranged on the rear side ofthe lower cotton box; the lower cotton box cotton guiding cavity cotton discharging mechanism is supported between the front and rear sides of the lower cotton box; the fiber output curtain mechanismis arranged at the lower part of the lower cotton box; the output curtain driving mechanism is arranged at the lower part of the front side of the lower cotton box; the vibrating plate swinging driving mechanism is arranged at the lower part of the right side of the lower cotton box. The pneumatic vibration cotton feeding box is characterized in that the vibrating plate swinging driving mechanismis connected with the lower part of the vibrating plate in a connection mode based on an eccentric connecting rod, so that the pneumatic vibration cotton feeding box has high adaptability to fibers made of different materials, energy consumption is lowered, and daily inspection and protection workloads are reduced.

A visual detection method for rivets. SVRD's image-centric user interface and drag-and-drop interaction method provide users with a simple and efficient workflow, simplify the complexity of the system, and reduce the technical requirements of operators. The system Rich measurement operators are integrated, and operators such as position matching, shape matching, and spot detection can be used to detect whether there are shortages, wrong materials, and out-of-position installation conditions of rivets. SVRD has been introduced and applied in batches in the rivet parts production industry.

The invention discloses a novel supercharger device which comprises a supercharger device body, a supporting column and a damping base, a top cover is connected to the top of the supercharger device body in an embedded mode, the supporting column is fixedly connected to the bottom of the supercharger device body, a lower supercharging gasket is connected to the middle of the supercharger device body in an embedded mode, an air outlet is connected to the middle of the top of a high-pressure bottom cover in an embedded mode, a damping base is fixedly connected to the bottom end of the supercharger device body, through the damping base, the working efficiency of the device body can be improved, so that the firmness and high efficiency of the supercharger device body are embodied, a pressure device can adapt to more pressure needed by work, so that the adaptability and practicability of the supercharger device body are embodied, unnecessary potential safety hazards are avoided through a fixing bearing block, the safety of the supercharger device body is embodied, a movable damping block can prevent vibration from being transmitted to the supercharger device body, and the stability of the supercharger device body is embodied.

The invention discloses an adaptive detection method for a distance expanded object based on a variable-element generalized structure, belongs to the field of radar signal processing. Aimed at solving the problem that a covariance matrix estimation method and an adaptive distance expansion detector are hard to adapt to a transitional clutter environment, clutter non-Gaussian characteristic information is utilized reasonably, a unified covariance matrix fusion estimation framework is constructed, an adaptive detector of the distance expanded object is constructed in a product fusion form on the basis of general characteristics of detection statistics of present optimal distance expanded objects in the specific clutter environment, a single parameter is utilized to realize design of the detector for the distance expanded object in the transitional clutter environment as well as synchronous control of the corresponding clutter covariance matrix estimation method, the detector structure matches the corresponding clutter covariance matrix estimation method, parameters are set in a concise manner, the detection performance of a broadband radar in the complex clutter environment is improved effectively, and the popularization and application values are high.

The invention aims at providing a jacking bidirectional width adjusting mechanism. The jacking bidirectional width adjusting mechanism comprises a track line module, width adjusting modules, a jacking module, blocking modules and a positioning module. The width adjusting modules are arranged on the two sides of the conveying direction of the track line module, and the width adjusting modules can limit and fix materials on the track line module. The jacking module is arranged at the lower ends of the width adjusting modules, and the jacking module can lift the materials on the track line module to meet the requirement that the materials are transferred to stations with different heights. The blocking modules are used for blocking the materials on the track line module so that the next procedure can be carried out, and the blocking modules can also temporarily store the materials at the input end and the output end of the track line module. The positioning module can adjust and limit the materials on the track line module in the horizontal direction, the correct positions of the materials on the track line module are kept, the materials can be conveniently moved to the next station to be accurately positioned, and the jacking bidirectional width adjusting mechanism is applied to the technical field of material conveying tracks.

The invention relates to the field of topology control and construction of a wireless sensor network and in particular to a layered-structure-based topology control method for a dynamic wireless sensor network. The method comprises a node networking process, a node registration process and a network optimizing process. According the method nodes are enabled to access the network in a self-adaptive manner without changing the whole network topology by dynamic hierarchical regulation and networking algorithm control of the nodes on the condition of maintaining equal network functions of the whole network nodes, and the topology of a local network is minimally changed, thus reducing the additional cost of the network. The novel topology control mechanism provided by the invention integrates the advantages of a plane structure, thus the whole robustness of the network is enhanced, the complexity for network realization is reduced, and the problems existing in the prior art are solved.