46results about How to "Guaranteed autonomy" patented technology

The invention discloses a double-shaft rotation optical fiber strapdown inertia navigation device which comprises a box body, a double-shaft rotation mechanism, an inertia-measuring unit and a circuit unit. A navigation computer sends control command to a rotation control circuit according to a planned rotation scheme. The rotation control circuit collects information of angle positions of an inner ring and an outer ring of the double-shaft rotation mechanism in real time according to the control command sent by the navigation computer, and calculates control quantity according to a control algorithm. The control quantity is transmitted to the inner ring and the outer ring of the double-shaft rotation mechanism through a power amplifier. The double-shaft rotation optical fiber strapdown inertia navigation device is capable of enabling the double-shaft rotation mechanism provided with the inertia-measuring unit to rotate according to the planned rotation scheme, achieving modulation of deviation between a fiber-optic gyroscope and a quartz beam vibration accelerator, greatly improving self-navigation accuracy of the inertia navigation system and solving the problem that accuracy of the self-navigation accuracy is poor when the inertia navigation system is in long navigation.

The invention discloses a quad-rotor mini-type underwater vehicle. The quad-rotor mini-type underwater vehicle comprises a vehicle body, four both-way propellers and connecting pieces used for installing the both-way propellers. The quad-rotor mini-type underwater vehicle is characterized in that every two of the four both-way propellers are in one group, the two groups of the both-way propellers are symmetrically arranged on the two sides of the vehicle body respectively, propeller rotating shafts of the both-way propellers are obliquely arranged relative to the horizontal plane, and generated propelling force has the component in the heading direction; and the inclination angles of the propeller rotating shafts of the both-way propellers relative to the horizontal plane are equal, the two both-way propellers in each group are distributed in front of and behind the vehicle body, and the propeller rotating shafts of the both-way propellers are opposite in inclination direction. The quad-rotor mini-type underwater vehicle is reasonable in arrangement, the structure is more stable, movement is more flexible, and the vehicle can directly move in the vertical direction, namely, floating or descending. The overall structure is simple, and miniaturization and microminiaturization are facilitated. Conventional products can be adopted in all modules, special requirements are avoided, the independence of the underwater vehicle is guaranteed, and the beneficial effects of low cost, high stability and the like are achieved.

The invention relates to the field of positioning technology, in particular to an order scheduling method. The method comprises the steps that unallocated orders are acquired; the unallocated orders are divided into at least one order group; for each order group, based on allocated order information currently corresponding to each order grabbing object, a priority score of each order grabbing object in obtaining the order group is determined; and according to the priority score of each order grabbing object in obtaining the order group, at least one order grabbing object is selected, and orderinformation of the order group is published to the selected order grabbing objects. Therefore, in the order allocation process, global order distribution efficiency can be improved while the autonomyof the order grabbing objects is ensured. The invention furthermore provides an order scheduling device and electronic equipment.

The invention discloses an atmospheric parameter calculation method based on a strapdown inertial navigation and flight control system. Based on definition of an attack angle and a sideslip angle, a mapping relation of true air speed projection to a machine system is established. Combined with a characteristic of stable high-altitude atmosphere flow speed and by utilization of inertial navigation information, a one-step prediction model of the atmosphere parameter is obtained. According to an aircraft pneumatic model, a function relation of a pneumatic parameter and the atmosphere parameter is established, a mathematical relation of an inertial navigation measuring valve and the atmosphere parameter is constructed, and the atmosphere parameter is solved through a Kalman filtering expansion method. The method provides a redundant means for measurement of the atmosphere parameter, solves measuring problems in hypersonic speed and high maneuver conditions and can provide an atmosphere parameter in real time in a flight envelope.

The invention discloses an autonomous-collaboration-oriented separated module satellite control structure. The autonomous-collaboration-oriented separated module satellite control structure comprises multiple-module collaboration layers, single module autonomous layers and a module satellite Agent shell. Autonomy inside modules and collaboration among the modules are separated, information interaction among module satellites can only be conducted among the multiple module collaboration layers, and information exchanging is only conducted between autonomous control of the modules and the autonomous layer. The autonomous-collaboration-oriented separated module satellite control structure has a single-module autonomy function as well as a multiple-module collaboration function.

The invention provides a classroom discipline management system and method. The system comprises a host module and a plurality of slave modules, wherein the host module is arranged at a platform position; the multiple slave modules are arranged at each seat respectively; the host module and the slave modules form a star-like topological structure with the host module as a central node through wireless connection. According to the method, talking conditions in class and attendance conditions are subjected to statistics and the classroom discipline is recorded through human body detection and sound signal detection of students. The system and the method have an excellent effect of improving the teaching efficiency.

The invention discloses a life support system for a large-depth underwater target. The life support system comprises a sonar array, an integrated plug device, an acoustic beacon and an integrated plugsocket which are mounted on the underwater target, and a laying and recycling device, a centralized control device, an emergency air source device and an emergency power supply device which are mounted on a water surface platform, wherein the integrated plug device is respectively connected with the laying and recycling device, the centralized control device, the emergency air source device and the emergency power supply device through a combined umbilical cord; the integrated plug device is connected to an ROV (Remotely-Operated Vehicle). After the underwater acoustic communication is established by using the sonar array and the acoustic beacon to determine the position information of the underwater target, the ROV is controlled to move and rotate by using the centralized control deviceso as to insert the integrated plug device and the integrated plug socket; gas transmission, liquid transmission, electric energy transmission and data transmission are performed with the underwater target through the combined umbilical cord so as to implement state monitoring and material replenishment for the large-depth underwater target.

The invention belongs to the technical field of inertia navigation, and particularly relates to an indoor-based walking microinertia autonomous navigation method. The method comprises the following seven steps: 1, initially aligning; 2, calculating course deviation and position deviation; 3, averaging the deviations; 4, acquiring and calculating current position; 5, determining whether straight walking is met or not; 6, redetermining (1); 7, redetermining (2); and 8, updating. According to the method, the characteristic of relative regular indoor form is utilized, virtual course error observation provided to microinertia navigation by determining the walking track situation, accumulation of course error is inhibited, and the aim of inhibiting position error divergence is achieved. The walking microinertia navigation equipment does not need combination with other information, addition of equipment hardware or support of infrastructure, and can improve the position precision of walking microinertia autonomous navigation equipment can be improved while the microinertia navigation autonomy.

The invention discloses a marketing mode for changing a customer into a corporate shareholder. The marketing mode is to make the customer become a constituent part of a corporation or a dealer and form a benefit community together with the corporation or the dealer, so that each expense of the customer becomes one long-term capital investment for the corporation or the dealer, and the customer can obtain dividends for a long term from the profit of corresponding corporations or dealers where the customer has consumed; consequently, the customer is excited to continue purchasing commodities and services sold by the corporation or the dealer and pay attention to the development of the corporation or the dealer. The consumer has double identities, i.e. the customer and the shareholder, so that the consumer can consult the dividend proportion together with the corporation or the dealer through Standing Committee of Consumers Shareholders' Convention and supervise the dividend implementation condition of the corporation or the dealer; the Standing Committee of Consumers Shareholders' Convention participates in a board of shareholders about research on important matters held by the corporation or the dealer, participates in the corporation management and offers advice and suggestions so as to enable the corporation or the dealer to obtain better development.

The invention discloses a school learning track block chain system, which records various learning tracks of students and teachers in a block form, and comprises a learning track network, a mine pool,a management and maintenance module and a learning track ecosphere platform, Wherein the trace learning network is a block chain network and is also a P2P network; The mine pool is used for providinga consensus confirmation function for the block chain network and can adopt a workload proof or a right proof; The management and maintenance module is used for maintaining, managing and monitoring the block chain network; And the trail ecosphere platform is used for fusing participants of each party of the trail network and providing a transaction platform. Various learning tracks of students and teachers, especially learning tracks and practice tracks of college students, are recorded in a block form, one-sidedness caused by merely taking course scores as examinations can be overcome, and the characteristics of justice, autonomy, non-tampering and the like of all activity tracks are ensured by a block chain technical means.

The invention discloses an internetwork information ferry device based on a two-dimensional code, the device comprises a case and a shielding copper net, the interior of the case is divided into a data exchange area I and a data exchange area II through the shielding copper net, a network terminal I is installed on the side wall of the case in the data exchange area I, and a high-speed camera I isarranged on one side of the network terminal I; a network terminal II is mounted on the side wall of the case in the data exchange area II, a cooling fan is arranged on the side wall of the case close to the data exchange area II, and a connecting port is formed in the side wall of the case on one side of the cooling fan. According to the internetwork information ferry device based on the two-dimensional code provided by the invention, an internetwork isolation data bidirectional exchange function is realized in the same device, the reliability and accuracy of data transmission are improved through a two-dimensional code data transmission mode, and the problem of data synchronization difficulty caused by isolation of an intranet and an extranet is solved; and meanwhile, the safety and theefficiency of physical isolation transmission are ensured.

The invention provides an underwater mobile platform navigation method. The underwater mobile platform navigation method comprises the following steps of: acquiring first navigation information generated by a strapdown inertial navigation system; acquiring second navigation information generated by a Doppler velocity sonar system; obtaining corrected navigation information generated by a Beidou satellite navigation system or a magnetic compass system; generating first fused navigation information according to the first navigation information and the second navigation information; generating second fused navigation information according to the first fused navigation information and the corrected navigation information; generating navigation control information according to the second fusednavigation information; and controlling an underwater mobile platform to move according to the navigation control information. According to the underwater mobile platform navigation method, an auxiliary navigation technology for correcting errors is carried out through an integrated navigation technology, errors accumulated by the SINS along with time can be corrected through a high-precision navigation technology, and meanwhile, the autonomy and concealment of an AUV are guaranteed.

The invention discloses an electronic commerce website enabling a consumer to become a shareholder. According to the electronic commerce website enabling the consumer to become the shareholder, the consumer and the electronic commerce website form a benefit community, every time the consumer conducts consumption on the electronic commerce website, the consumer conducts long-thermal capital investment to the electronic commerce website once, the consumer obtain dividends in a long term from the profit of the corresponding electronic commerce website where the consumer conducts consumption, in this way, the consumer is stimulated to continue to conduct consumption on the electronic commerce website and pay attention to the development of the electronic commerce website, the consumer has the dual identities of the consumer and the shareholder, a consumer shareholder congress executive committee and an electronic commerce website operator consult with each other to determine the dividend proportion, the dividend making execution condition of the electronic commerce website is monitored, the consumer shareholder congress executive committee will attend shareholder meetings, for researching big issues, held by the electronic commerce website operator, take part in management of the electronic commerce website and offer advice and suggestions, and therefore the electronic commerce website can develop better.