81results about How to "Universal adaptability" patented technology

The invention discloses a reinforcement learning-based AUV behavior planning and motion control method, which belongs to the technical field of underwater robots and aims at solving the problems of limited training experience and difficult application in a real environment as complex task planning by the AUV depends much on manual experience and a control method designed based on an intelligent algorithm needs an accurate environment mode. AUV tunnel detection is defined as a general task; behaviors corresponding to task completion comprise target trending, wall tracking and obstacle avoidance; a control instruction generated by the robot under water to complete the planned behavior is defined as an action; and when the AUV executes a tunnel detection task, a deep reinforcement learning DQN algorithm is used for real-time behavior planning, a corresponding deep learning behavior network is constructed, and planning of the tunnel detection task is completed. The AUV action network is trained by the DDPG method, the AUV is regarded as an environment model, and force-to-state mapping is obtained, thereby realizing the action control of the AUV.

The present invention discloses a method for acquiring automatic exposure control parameters and a method for controlling automatic exposure control parameters and an imaging device. The core idea is to take the brightness weighted average value obtained according to brightness distribution weighted statistics of the image as the exposure control parameter. Then through adjusting the weighted coefficient of pixels in different brightness regions, control the influence of the pixel concentrated brightness regions on the brightness average value. Because the brightness distribution is the basis for determining weighted statistics, the control method of the present invention is not influenced by the scene assumption. Rather it can be universally adapted to a variety of different scenes, and the exposure control effect is not influenced by the position of scenes in the actual bright region/dark region and block distribution.

The invention provides a satellite team configuring control method based on fuel consumption optimization. The satellite team configuring control method based on the fuel consumption optimization comprises the following steps: team configuring control input is calculated, plane external orbit control is judged to be carried out or not according to the control input, if the plane external orbit control is needed, a corresponding speed increment and an orbit control time are worked out, coupling influences of the plane external orbit control on orbital elements in a plane are calculated, and the control input in the plane is corrected; then the orbital elements in the plane are jointly adjusted, the coupling influences among the adjustment of the orbital elements in the plane are taken into account, and effective compensation is carried out. An appropriate value k is determined according to whether drifting is needed to achieve passive control, and a three impulse speed increment and the orbit control time are obtained through calculation. The satellite team configuring control method based on the fuel consumption optimization achieves the team control based on fuel optimization, and can control configuring initialization, configuring maintenance and reconfiguration of the satellite team under the condition of a circle-similar non-equatorial orbit.

The invention provides a HTTP safety communication method and a system applicable for a CDN value added service platform. A client end should obtain an available identification token from a dispatching control center of the value added service platform and attaches the identification token information when a CDN node makes a HTTP request. The CDN node will identify the identification token information, reject invalid requests of the token and release valid request to a source station. According to the invention, by taking advantages of characteristics of the business structure of the CDN value added service platform, a little of additional safe data is added in a HTTP data package, and safety verification is carried out, so on the premise that deployment cost and additional resource consumption are lower than HTTPS, the objective of safe transmission is achieved.

This invention discloses a method for computing activation time, which comprises the following steps of: prestoring the correlation parameter of radio bearer business and the lengths of transmission blocks of various signalings, which is based on different statuses of user equipment UE, computing the length of the information to be transmitted according to the related parameter and gaining the length of TB block according to the status of UE and signaling type in the process of activating a radio bearer, dividing the information to be transmitted into at least one TB block and calculating time needed for transmitting the TB block, which is added up with UE processing time delay to obtain the activation time .The invention also discloses a device for computing the activation time. In the invention, estimation of the activation time on basis of empirical value is not required, but more accurate activation time can be computed according to the length of the transmitted message.

A cap for a container configured for dispensing single items, such as pills, held in said container. The cap channel extends from an upper surface to a lower end providing a passageway through the cap to allow for a predetermined quantity of items to be transferred through a port in an upper portion of the cap. The cap has a lid moveable from a closed position to an open position. In its closed position dispensing of items is prevented; in its open position at least one item is dispensed through the port. A gate is operable, in a first orientation to partially block the passageway and, in a second orientation, to unblock the passageway to allow a preset number of items, to pass through. Alternatively, a diverter is incorporated to control flow of the contents.

The invention discloses an intelligent photovoltaic-power-station fault diagnosis method based on the similarity of layered KPI (Key Performance Indicator). The intelligent photovoltaic-power-station fault diagnosis method comprises the following steps of: dividing centralized operation and maintenance management objects of a photovoltaic power station into a group-layer management object, a power-station-layer management object and an equipment-layer management object; extracting KPIs of the power-station-layer management object and the equipment-layer management object as feature quantities, and setting feature weights of the feature quantities according to the levels of the management objects and the importance degree of equipment; then carrying out normalization processing on the feature quantities of all management objects in a layered model according to the weights and obtaining normalization values of all layers of the centralized operation and maintenance; then, judging whether the equipment at the layer has a fault according to similarity of the normalization values of the management objects at all the layers and the optimum normalization value at the layer, and finally positioning faulted positions by a mode of layer-layer progressive comparison. The intelligent photovoltaic-power-station fault diagnosis method disclosed by the invention is applicable to photovoltaic power generation groups for centralized operation and maintenance systems of the photovoltaic power stations, and has general adaptability in fault diagnosis; the intelligent photovoltaic-power-station fault diagnosis method is intuitive in vision and easy in use, and has the advantages that the faulted positions can be rapidly positioned, the operation and maintenance efficiency can be effectively improved and the operation and maintenance cost can be reduced.

The present invention provides a loess plateau terrace extraction method based on a ray method. The method comprises: analyzing the arrangement mode and the extension direction of a terrace ridge; taking a mountaintop point as an initial position according to the arrangement features of the terrace ridge, and analyzing and calculating the changing rule of picture element gray values of positions where each ray light passes through taking the mountaintop point as a summit; and finally, based on the discontinuity of the terrace, the extension direction of the terrace and the ridge width feature, employing the signal processing method to set corresponding rules, removing inexistent terraces or terrace pixels which are too much broken, retaining clear and continuous terrace pixels and obtaining a terrace distribution map. The loess plateau terrace extraction method based on the ray method can effectively extract the terrace range from high-resolution remote sensing images, can perform extraction of the terrace range according to the concrete direction, the width and the quantity of the terrace ridge arrangement, and has general adaptability and innovation.

The invention discloses a graphical SSD (System Specification Description) configuration method based on an IED (Intelligent Electronic Device) template. The method aims at a situation that current smart substations all adopt an IEC61850 (International Electrotechnical Commission) model structure or a similar tree form hierarchical structure as the data structures in an instation database and also have a graphical CID (configured IED description) tool. The method comprises the following steps: firstly, drawing primary equipment in the SSD and the electrical connection relationship of the primary equipment; then, in virtue of the primitive function of the graphical tool, drawing secondary equipment primitives in the substation; associating the secondary equipment primitives with the corresponding models of the secondary equipment primitives to form an IED template so as to form an IED template library; and finally, carrying out the primary and secondary association of the SSD in a form of dragging the IED template directly on the primary equipment of the SSD and the electrical connection graph of the primary equipment. The method is convenient and visual in configuration and can improve CID efficiency.

The invention relates to a method for realizing acquisition and analysis of special object identifiers (OID) in a management information base (MIB) by using plug-ins. According to the method, a simple network management protocol (SNMP) acquisition module is adopted; a third-party plug-in is deployed under the program plug-in directory of the simple network management protocol (SNMP) acquisition module; and the simple network management protocol (SNMP) acquisition module automatically loads the third-party plug-in, acquires the object identifier (OID) of network equipment, and judges whether the current object identifier (OID) is a special object identifier (OID) according to the manufacturer of the network equipment, the equipment model of the network equipment, and the acquired object identifier (OID), if the current object identifier (OID) is a special object identifier (OID), the simple network management protocol (SNMP) acquisition module calls the third-party plug-in to acquire and analyze the object identifier (OID). Since a mechanism according to which the object identifiers (OID) in the management information base (MIB) are acquired and analyzed by using the plug-ins is adopted, problems in object identifier (OID) acquisition are solved. The method can satisfy acquisition requirements of various kinds of special object identifiers (OID). The method has the advantages of high flexibility, extendibility and universal adaptability.

The invention belongs to the technical field of new energy power generation consumption and discloses a new energy consumption method based on depth learning. The method is characterized in that a back propagation algorithm of the multi-layered perceptual neural network is utilized for realization, and training is performed through utilizing the improved dynamic recurrent neural network method; the optimization process includes the offline training process of a deep learning model, and the other part is the online optimization process of a deep learning optimization controller. The method is advantaged in that the depth learning-based consumption optimization algorithm can determine optimization controller parameters online according to the content and the quantity of different optimization targets and the content and the quantity of different constraints without the need of artificial adjustment, the method is universally adaptable for application scenes, the dynamic recurrent neuralnetwork model training method based on an adaptive update coefficient can overcome disadvantages that the conventional dynamic recurrent neural network has the slow convergence speed and is easy to fall into a local minimum value, and the training time of an optimization controller model is shortened under the premise of ensuring accuracy.

The invention discloses a feeding device used in biomass storage hopper, comprising a storage hopper, a switching device and a transporting device; the switching device is arranged at the lower part of the storage hopper; the transporting device is arranged at the bottom of the storage hopper; the switching device comprises a plurality of switchers and enwinding breakers which are laid in parallel; the switchers are provided with a switching shaft; a plurality of bar sets are arranged on the switching shaft along the axial direction with equal distance; 1 to 6 switching bar pairs are arranged in each bar set along axial direction of the switching shaft; the enwinding breakers are provided with a fixed shaft; doctor bars matched with the switching bars are arranged on the fixed shaft. The feeding device used in the biomass storage hopper of the invention can break bridging or scaffolding of the biomass material in the storage hoppers, can also break the enwinding of biomass stalks on the switching shaft during the rotation of the switcher, thus realizing continuous, stable and adjustable material discharging of the biomass material piled in the storage hopper, and forming strong direction on soft stalks. The feeding device realizes the separation of switching and transporting and becomes more flexible on feeding control.

The invention provides a pull-lever-type portable laser cleaning machine and cleaning method. The laser cleaning machine comprises a machine box, an optical fiber, a laser cleaning head, a cleaning head handle and a cleaning head support, wherein the machine box is connected with the laser cleaning head through the optical fiber, the lower end of the laser cleaning head is separately provided withthe cleaning head handle and the cleaning head support, and the cleaning head is internally provided with a galvanometer system, a field lens and an isolator. The laser cleaning method comprises thesteps that a to-be-cleaned workpiece is installed on a workbench; laser beams emitted by a laser device in the machine box are transmitted to the laser cleaning head through the optical fiber, and then through the laser cleaning head, the laser beams are emitted to irradiate the surfaces of objects which need to be cleaned. The pull-lever-type portable laser cleaning machine is free of high-decibel noise, produces less dust, and does not use consumable materials in the cleaning process, the cost for cleaning the to-be-cleaned workpiece is lowered while the purpose of energy saving and environmental protection is achieved, the cleaning efficiency is improved, and the laser cleaning machine can clean to-be-cleaned workpieces of different structures, and has high adaptability.

A combination of an aircraft and spraying apparatus for spraying suspensions or solutions having predetermined characteristics independent of the speed of the aircraft, the apparatus consisting of a mounting frame attached to the underside of the aircraft, a plurality of bearing braces attached to the frame and a propeller shaft mounted through the bearing braces. A full feathering propeller is mounted on the forward end with a control running to the cockpit of the aircraft, and a rotary piston type high pressure pump connected to the aft end of the propeller. The input of the pump is connected to a supply tank in the aircraft and the output is connected to a spray boom. The spray nozzles consist of high pressure impingement nozzles.

A Chinese medicine in the form of oral liquid, powder, capsule, pill, or dripping pill for treating pulmonary tuberculosis and various lung diseases is preparing from 12 Chinese-medicinal materials including human placenta, white atractylodes rhizome, black plum, centipede, etc.

The invention discloses a satellite control system and an electric propulsion system closed-loop joint test method. A closed-loop joint test is carried out on an electric propulsion system and a control system of a real satellite through a ground test; a time sequence of on-orbit work is comprehensively simulated; and a complete work flow of the control system for debugging electric propulsion toperform on-orbit ignition can be verified, a function of the control system for debugging an electric propulsion ignition flow is tested, a problem that a current satellite ground test cannot effectively verify a combined work function of the satellite control system and the electric propulsion system is solved, the verification flow is complete and sufficient, and economy is good.

The invention provides a rotary seal lip type seal ring assembly for a rotating shaft. The rotary seal lip type seal ring assembly for the rotating shaft comprises a seal ring framework assembly and a rotating shaft seal lip assembly. The rotating shaft seal lip assembly comprises a steel-iron framework and a sealing lip, the inner side of the steel-iron framework is tightly matched with the rotating shaft and rotates along with the rotating shaft, and the sealing lip is fixedly arranged on the other side of the steel-iron framework and matched with the inner side wall of the seal ring framework assembly. The design differs from the prior art, the steel-iron framework is arranged tightly attached to the rotating shaft side, the sealing lip is arranged on the other side of the steel-iron framework, and thus the problem of oil leakage on-site generation caused by enclasping force weakening brought when the sealing lip rotates along with the rotating shaft can be effectively prevented, an effective seal effect can be kept for a long time, occurrence of an oil leakage phenomenon is avoided, the oil leakage phenomenon is greatly reduced or eliminated, energy resources are saved, cost performance is high, and a hope for thoroughly solving dynamic seal oil leakage is brought.

The invention relates to a control algorithm capable of effectively improving PFC dynamic response. Specifically, the invention relates to the digital power supply field. The control algorithm employsa bridge PFC, and a double-power-frequency band elimination filter H(s) is added to a voltage feedback end of the bridge PFC. A load current feedforward control component Vload_ctrl is added to the output end of a voltage loop feedforward controller of the bridge PFC. The double-power-frequency band elimination filter H(s) is used for expanding the bandwidth of a voltage loop, thereby improving the dynamic response of the whole control system, and keeping a power factor value unchanged; the load current feedforward control component Vload_ctrl is used for enabling the system to reach a new state of input and output power balance in a short time when disturbance occurs to the load. According to the invention, the algorithm can effectively improve the dynamic response under the condition that the power factor is not weakened, the reliability and stability of the AC-DC power supply are enhanced, and the method has certain reliability and practicability.

The invention is a simple, low-cost, mechanical device to be inserted in the hinge area of an open door of a parked vehicle to keep the door open while people or equipment are added to or removed from the automobile. A particular use of the invention is as a safety mechanism to hold the passenger-side door open while a disabled passenger is assisted in exiting the vehicle without the care-giving individual having to hold the door open or having the door slam shut on the disabled person. After this use, the device may be removed and stored in the glove compartment for easy access.

The invention provides a method for identifying the weathering oxidative deterioration degree of coking coal, and relates to the technical field of coal identification. According to the method for identifying the weathering oxidative deterioration degree of the coking coal, the actual Giseeler maximum fluidity and the reference Gieseler maximum fluidity of the coking coal are used as indexes for identifying whether the coking coal is weathered and oxidized or not, and the indexes are remarkable in change amplitude and change trend in a short time; and the weathering oxidative time can be quantitatively judged, the weathering oxidation within three months can be accurately judged, the problems in the prior art can be effectively solved, and meanwhile, the operation is convenient.

The embodiment of the invention provides a rotor position angle determination method and device based on a permanent magnet synchronous motor. The method comprises the steps of adjusting a motor rotor of the permanent magnet synchronous motor to a preset initial electrical angle when the permanent magnet synchronous motor is static, performing conversion processing according to the three-phase current of the permanent magnet synchronous motor to obtain a two-phase rotating coordinate system stator current, calculating according to the two-phase rotating coordinate system stator input voltage and the two-phase rotating coordinate system stator current of the permanent magnet synchronous motor, a preset estimated current and a preset self-adaptive control algorithm to obtain a rotating speed error, determining a rotor electrical angle rotating speed corresponding to the rotating speed error through a phase-locked loop, and performing integral calculation according to the initial electrical angle and the rotor electrical angle rotating speed to obtain a rotor position angle. Therefore, by implementing the implementation mode, the method can be suitable for various rotating speed conditions, so that the general adaptive capacity is improved, and the performance reliability and stability of the permanent magnet synchronous motor are further improved.

The invention provides a rolling method for improving the outer layer thickness distribution of a composite plate, which belongs to the technical field of metal plastic processing and molding. The rolling method is a new rolling method of the composite material, according to the metal deformation theory when rolling, each layer thickness equality of the cross section after rolled can be ensured when the equal deformation of metal at the inner and outer layers is ensured, namely, the deformation embedded into the internal of the rolling piece is ensured, simultaneously no serious single bulge occurs. The rolling method is mainly comprises the step of scheduling the entire rolling regulations, the core content is ensuring each pressed value is more than 30%, and ensuring the deformation of each layer is uniform in the transverse direction to achieve the purpose of improving the inner and outer layers thickness uniformity of the composite plate. The rolling method provided by the invention has universal adaptability to the rolling processing of the composite material, and is especially applicable to the processing of the symmetric composite materials.

The invention relates to a movable back-jacking device, and belongs to the technical field of lifting devices. The movable back-jacking device comprises a top supporting plate, a hydraulic back-jacking device body, a supporting piece and a movable base, wherein the top supporting plate is fixedly arranged at the top end of a plunger of the hydraulic back-jacking device body, the hydraulic back-jacking device body is fixedly arranged at the top end of the supporting piece, and the bottom end of the supporting piece is arranged at the top end of the movable base. According to the movable back-jacking device, a fixing piece can be loosely and tightly adjusted to realize the assembly and disassembly of the supporting piece, the height of the hydraulic device is manually adjusted, the top supporting plate arranged in the upper portion can be used for dispersing the load force, the whole back-jacking device can realize 360-degree omnibearing movement through the movable base, and therefore,the back-jacking device has the effects of being adjustable, movable, easy and convenient to operate, high in adaptability and accurate in back jacking.

An information reminding method based on a WeChat applet comprises the steps of information input and information reminding, specifically, the information input comprises the steps of entering the WeChat information reminding applet, authorizing and logging in; reminding information is input, and the reminding information at least comprises reminding time, a reminding object, a telephone number and reminding content; information reminding: the information reminding applet automatically scans to-be-reminded information in different time periods, extracts information meeting reminding conditions, and dials a telephone number of a reminded object for notification, and the reminding conditions at least comprise reminding time; if the reminding object answers the call, automatically playing the reminding content, and marking the reminding information as finished reminding; and if the telephone number of the reminded object is not dialed or the reminded object does not answer, the information reminding applet marks the reminded object as unfinished reminding and records the number of dialing times, and when a new round of scanning is carried out, information of unfinished reminding is extracted again and the telephone number of the reminded object is dialed.