31results about How to "Improve autonomous operation ability" patented technology

The invention relates to the technical field of automatic control, and particularly relates to an autonomous ball-wheel-moving robot and a control method thereof. The autonomous ball-wheel-moving robot comprises a spherical wheel (1), a universal wheel driving mechanism (2), a support structure (3), an assisting bracket (6), a control module (4) and a sensor, wherein the sensor detects the robot posture and the environment information; the control module (4) analyzes the environment information to obtain a control strategy through the balancing algorithm and the motion control algorithm, and sends control signals to the universal wheel driving mechanism (2); the universal wheel driving mechanism (2) drives a direct current motor to move according to the control signals to drive the spherical wheel (1) to move; therefore, the posture and the movement of the robot are controlled. The autonomous ball-wheel-moving robot and the control method thereof can automatically realize static balance and dynamic balance, can pass through an obstacle-free channel, are good in mobility, and are strong in environmental adaptation.

The invention discloses a NanoSat satellite house-keeping health management system based on a Bayes network model. The system includes a whole satellite level health management system, sub-system level health management modules, and part level health management units. The whole satellite level health management system is intended for conducting health evaluation and fault recovery on the whole satellite electronic system. Each sub-system level management module is intended for monitoring, diagnosing and evaluating each sub-system and constituting a comparatively independent sub-system level diagnosis evaluation module. Each part level health management unit is intended for processing and transmitting data acquired by a part or a sensor; the whole satellite level management system is connected to a plurality of sub-system level health management modules which are connected to a plurality of part level health management unit. According to the invention, the system establishes a hierarchical and distributed satellite house-keeping health management system architecture, can realize automatic management function of a satellite, and prolongs service life and safe operation of the satellite.

The present invention discloses a sky-base mobile communication wireless resource management system. The system comprises a ground control center, which assigns the wireless resource for each satellite according to the operation status of the satellite communication system, a plurality of gateway stations, which are connected with the ground control center to manage the wireless resource of the satellite in the area covered by the gateway signal and control the satellite to assign wireless resource, and a plurality of satellites, which manage and assign the wireless resource related to the satellite according to the control signal of the gateway station and the ground control center. The present invention simplifies the control function of the ground, decreases the ground control dependence of the satellite mobile communication system and improves the anti-ruin ability of the system. Different management strategies can be conveniently implemented in different regions, thus the flexibility of the system operating is improved.

The invention discloses a single satellite autonomous orbit measuring method adopting on-satellite push-broom remote sensing image information. The method includes the following steps that S1, the push-broom remote sensing image information is preprocessed, and multiple mark points, used for autonomous orbit measuring, in a push-broom remote sensing image are obtained; S2, an orbit measuring system model based on the multiple mark points of the remote sensing image is established according to the mark points, used for autonomous orbit measuring, in the push-broom remote sensing image; S3, a preset solving algorithm is adopted for solving orbit information of the orbit measuring system model, after multiple pieces of position information of a satellite on an orbit are obtained, satellite orbit parameters are fit through multipoint orbit position information, and single satellite autonomous orbit measuring is completed. The satellite orbit information is reversed through ground high-precision mark point information, and the autonomy and reliability of remote sensing satellite orbit measuring are remarkably improved.

The invention provides a flywheel angular momentum autonomous unloading method based on discrete jet, which comprises the following steps of: calculating the angular momentum of a satellite body; determining a flywheel angular momentum unloading threshold; calculating the duration of each jet of an unloading thruster; calculating the interval time of each unloading jet of the thruster; calculatingthe number of times of unloading jet of the thruster. The angular momentum of the satellite is calculated according to the rotating speed of the flywheel, and according to the installation layout ofthe thruster and the requirements of the satellite attitude control precision and stability, the thruster for unloading is selected, the jet time width, jet interval time and times of jet of the thruster are selected. The method is based on independent angular momentum unloading technology of discrete point spraying of the thruster, can ensure that the angular momentum unloading is automatically achieved on the premise of meeting the attitude control precision, and improves the satellite on-orbit autonomous operation capability.

According to the GNSS-based satellite celestial navigation system error autonomous calibration method and system provided by the invention, on the basis of earth center direction measurement meeting the requirement of an autonomous celestial navigation system, GNSS orbit determination data can be directly adopted, and high-precision orbit determination data can be utilized to calibrate system errors caused by installation, thermal alternation and the like in a celestial navigation measurement system in real time. The calibration method provided by the invention can be operated autonomously, the advantages and characteristics of different types of autonomous navigation systems are utilized, the precision of independent operation of the celestial navigation method is ensured through error calibration, the reliability and adaptability of the navigation system are improved, and the calibration method is also simple and feasible, and has relatively high engineering guidance significance and practical value.

The invention discloses a block chain-based road-vehicle node trusted network construction and consensus method. According to the scheme of the method, the autonomous operation capacity of the vehicle in the road-vehicle fusion environment is improved through the technical means of building a road-vehicle information alliance chain, building a vehicle node trust model, building a vehicle node distributed trust library, consensus of road-vehicle node information and the like. The method can be widely applied to the fields of vehicle-road cooperation and the like.

The invention belongs to the technical field of washing equipment, and specifically relates to a dehydration control method of the washing equipment. The method aims at solving the problems that the existing washing equipment is unfixed at automatic leveling time, the continuity of an operational procedure is hard to guarantee after the automatic levelling cannot be realized, and the clothing cannot be washed in time. Through the dehydration control method of the washing equipment disclosed by the invention, the current actual eccentric degree of the washing equipment can be judged according to the total eccentric times when the eccentric condition is existent in an inner drum, and the washing equipment can selectively give up leveling according to the judged actual eccentric degree, directly dehydrate the clothing through a low-speed dehydration manner, so that the washing equipment can dehydrate the clothing in the low-speed dehydration manner when the eccentric condition occurs andcontinuously operating the washing procedures, and the condition that the washing equipment is paused for a long time even terminates the washing procedure due to slow leveling or unworkable levelingof the inner drum; and the washing equipment can efficiently accomplish the washing work even if the user cannot monitoring an operating state of the equipment in the operating of the washing equipment.

The invention discloses a space target classification method based on a multilayer adversarial network, and the method comprises the following steps: 1, carrying out the sequential multi-frame projection of an imaging target through an imaging load, and obtaining a space image; 2, performing feature augmentation on the space image to obtain an augmented space image; 3, based on the top-layer adversarial network, performing foreground extraction on the augmented space image, and extracting foreground information; and step 4, based on conditional convolution adversarial training, performing progressive two-stage adversarial on the foreground information, extracting a general representation vector, and finishing space target classification. According to the invention, the classification problems that various types of targets exist in an imaging load acquisition image under a complex state and relative motion exists can be solved; reliable feature extraction can be achieved through gamingbased on the adversarial network, accurate classification of various complex targets is achieved, targeted application is developed, the on-orbit autonomous operation capacity of the active spacecraftis effectively improved, and important guarantee is provided for autonomous navigation and safe survival of the spacecraft.

The invention discloses an equipment capacity configuration method and device for a light-hydrogen storage comprehensive charging station. The method comprises the following steps: establishing a comprehensive charging station system model which can provide services for an electric vehicle and a hydrogen fuel electric vehicle at the same time and comprises a photovoltaic system, an energy storage battery system and a hydrogen energy storage system; according to the comprehensive charging station system model, an energy flow strategy of the comprehensive charging station is determined based on the energy flow cooperation relationship among the devices of the comprehensive charging station; according to the energy flow strategy, based on the energy balance constraint, the element constraint and the power grid power supply power constraint, an equipment capacity configuration optimization model taking the annual operation cost and the autonomous operation capability of the comprehensive charging station as the target is established; and solving the equipment capacity configuration optimization model by adopting an NSGA-II algorithm and fuzzy comprehensive evaluation, and determining a capacity configuration scheme of the comprehensive charging station equipment. According to the invention, the autonomous operation capability of the comprehensive charging station is improved, and reference can be provided for optimization of charging station equipment.

The invention discloses a system and method suitable for combined orbit determination of networking low-orbit satellites. The system comprises an LE0 constellation ground centralized orbit determination module and an LEO constellation distributed orbit determination module. The LE0 constellation ground centralized orbit determination module is used for acquiring observation data and measurement data, and acquiring predicted orbit information of each LE0 constellation satellite according to the observation data and the measurement data; and the LEO constellation distributed orbit determination module is used for acquiring the orbit information of the LEO constellation satellite according to the measurement data and the predicted orbit information. The invention aims to provide a system and a method suitable for combined orbit determination of networking low-orbit satellites, and solves the problem that autonomous, real-time and high-precision orbit determination of LEO constellation satellites cannot be met under the condition that only a part of areas have LEO satellite ground tracking stations.

The invention designs a distributed closed-loop autonomous position keeping control method for a geostationary orbit satellite. The traditional centralized position protection control quantity is dispersed to be executed every day, the everyday perturbation variable quantity is eliminated through pulse thrust, the effect of deviation closed-loop feedback control is further combined, the satelliteposition can be kept within an accurate range all the time through combined control over the mean longitude, the eccentricity ratio and the orbit inclination angle, the east-west direction control precision is superior to +/-0.05 degree, and the south-north direction control precision is superior to +/-0.01 degree.

The invention relates to a method for solving the problem that a driver cannot contact a passenger, wherein online car-hailing platform comprises a plurality of scene car-hailing modes. The method includes: acquiring a car-hailing order which is initiated by a driver and is incapable of continuing service due to'incapable of contacting passengers'; and judging whether the order can be automatically cancelled or not according to the scene car using mode of the car-hailing order and the order state; and providing the processing flows under different scenes. By means of the method, the trouble of a driver is reduced, the autonomous operation capability is improved, and the labor cost of a company is reduced.