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100 results about "Nectar source" patented technology

A nectar source is a flowering plant that produces nectar as part of its reproductive strategy. These plants create nectar, which attract pollinating insects and sometimes other animals such as birds.

Project constraint parameter optimizing method based on improved artificial bee colony algorithm

The invention discloses a project constraint parameter optimizing method based on an improved artificial bee colony algorithm. According to the method, the problem of the project constrained parameter optimization is described by the adoption of an objective function and an equality/non-equality constraint; an artificial bee colony is initialized according to the value range of parameters; partial parameters in a parameter vector is selected according to the probability M to serve as the adjusted object, and step size in search is adjusted in a self adaptive mode, so that a guide bee can search nectar sources randomly in an intra area; according to the corresponding cost function value fi of the nectar sources, the fitness function value fiti is acquired through fi, the probability Pi of follow bees being transferred to the nectar sources is further acquired, and whether position updating is conducted or not is judged; the current optimal solution is recorded in every iterative search process, and the optimized estimated value of the parameters is acquired through the finite iterative search. The step size in search changes in a self adaptive mode with the times of search, on the premise that search accuracy is not affected, search time is reduced effectively, and search efficiency is improved.
Owner:HARBIN ENG UNIV

Bee breeding method

InactiveCN105191872ASolve the difficult winterSolve the problem of not getting honeyAnimal husbandryPollenNectar source
The invention discloses a bee breeding method which includes the following steps that 1, a nectar source field is selected; 2, a beehive is arranged, a partition plate divides the beehive into an upper region and a lower region, and honeycombs are arranged in both regions; 3, queen bee breeding is conducted, the two regions partitioned by the partition plate and a super are each internally provided with a Chinese bee queen and a West bee queen, mixed feed composed of pollen, amino acid and bean protein powder is added to the Chinese bee queens and the West bee queens in the spawning period, honey water is fed, after the Chinese bee queens and the West bee queens lay eggs, honey and fresh ginger water are injected into the honeycombs to feed the bee queens; 4, as the temperature drops, the eggs laid by the bee queens are reduced, the partition plate is opened, the West bee queen is transferred, West bees are involved into Chinese bees, and the honey and the fresh ginger water are injected into the honeycombs to feed worker bees and the bee queens. According to the bee breeding method, Chinese bees are mainly bred, west bees are added at proper time so as to reduce plant diseases and insect pests generated when the Chinese bees are bred, and the problems that it is difficult for the Chinese bees to survive the winter, and honey is not easy to take are solved.
Owner:龚良成

Chinese bee feeding device with possibility of traditional feeding and movable-frame nectar fetching for many times and keeping method

The invention relates to the technical field of bee feeding, in particular to a Chinese bee feeding device with possibility of traditional feeding and movable-frame nectar fetching for many times, and a keeping method. The Chinese bee movable-frame feeding device comprises a movable hive bottom, a hive, a super and a movable hive cover, wherein a movable bee space frame is further arranged between the super and the hive and can be convenient to take out to allow a hive body structure to be capable of being changed; when the movable bee space frame is taken down, no up-and-down bee space exists between the hive and the super; when the movable bee space frame is mounted, an up-and-down bee space exists between the hive and the super; during bee keeping, when the nectar secreting amount of an outside nectar source is small, the movable bee space frame is not added after nectar is fetched, the beehive is turned over up and down to allow bees to freely build a comb and give birth downwards, and an old comb at the upper part becomes a nectar storage area; when the nectar secreting amount of the outside nectar source is large, the movable bee space frame is added, the beehive is not turned over, the upper part is used for production, and the lower part is used for reproduction; the bee reproduction is unaffected; bee diseases are few; a bee colony develops quickly; the nectar yield is high; the nectar fetching for many times can be realized simply; and the bee reproduction is unaffected.
Owner:CHONGQING ACAD OF ANIMAL SCI

Wind power forecast method and device based on self-adaptation bee colony algorithm

The invention provides a wind power forecast method and device based on a self-adaptation bee colony algorithm. The wind power forecast method comprises the steps that (1) wind speed and wind power data are normalized, and a support vector machine is used for establishing a prediction module in a regression mode; (2) parameters to be optimized and a fitness function are selected, positions of bees and nectar sources are initialized, and a uniform distribution function is called to be assigned to the positions of bees; (3) lgx logarithm transformation is carried out on a bee searching space, and the yield of each food source is calculated; (4) neighborhood searching is carried out, and self-adaptation weight coefficient adjustment is carried out; (5) whether the condition of convergence is met, if yes, the step (6) is executed, and if not, the step (3) is repeated; (6) the optimized parameters are obtained, and the prediction model is updated; (7) wind power measurement data are used for training the updated prediction model and carrying out prediction, and the prediction result is obtained. The wind power forecast method and device based on the self-adaptation bee colony algorithm effectively improve the prediction accuracy of the output power of a wind turbine generator, and improve the stability and economy of a wind power integration grid.
Owner:SHANGHAI DIANJI UNIV

Method for honeybees to overwinter in high latitude areas

ActiveCN104145885ASafe winterIn-place winterizationAnimal husbandryHigh latitudeNectar source
The invention relates to a method for honeybees to overwinter in high latitude areas. The method comprises the steps that (a) overwintering bees are determined, wherein honeybee pupae produced by a queen bee between August 20th and September 10th are selected as overwintering honeybees of a second year at the right age; (b) mites are controlled, wherein the bee mites are killed cleanly when sporadic nectar sources exist during the period between September and October; (c) fodder is prepared, the fodder is reserved sufficiently during the last nectar source in autumn, and five to seven pieces of comb honey are arranged for each overwintering swarm, namely, at least 20 kg fodder is provided for at least twenty thousand honeybees; (d) beehives are laid out, wherein the beehives are moved into an overwintering site for being laid after November 10th, and the door face of each beehive faces north or west; (e) inspection is carried out, wherein full inspection is carried out on the swarms at the beginning of December, and it is guaranteed that the queen bee is available, fodder is sufficient, and the honey comb is full of honeybees; (f) heat preservation is carried out, wherein straw curtains, newspapers and the like cover the upper faces and the peripheries of the beehives for heat preservation and winter protection. On-site overwintering of the swarms and fixed point bee-keeping are achieved through the method, trouble and difficulties brought by flow bee-keeping are reduced, and the survival rate of the overwintering swarms is over 93 percent.
Owner:GANSU JINGHUI BEE IND

IGBT junction temperature prediction method based on improved ABC-SVR

ActiveCN110489790AOvercome precisionOvercoming the need to extract multiple parametersArtificial lifeSpecial data processing applicationsData setAlgorithm
Disclosed is an IGBT junction temperature prediction method based on improved ABC-SVR which comprises the steps of collecting multiple sets of IGBT junction temperature and junction temperature related electrical parameters to serve as a sample data set; improving a formula for searching a nectar source in an artificial bee colony algorithm; optimizing the parameter combination of the support vector regression machine by using an improved artificial bee colony algorithm according to the formula for searching the nectar source to obtain the optimal parameter combination of the IGBT junction temperature prediction support vector regression machine model optimized based on the improved artificial bee colony algorithm; establishing an optimal IGBT junction temperature prediction support vectorregression machine model according to the optimal parameter combination; carrying out training and accuracy judgment on the established optimal IGBT junction temperature prediction support vector regression machine model; and predicting the junction temperature by using the optimal IGBT junction temperature prediction support vector regression machine model. The method has the advantages of few required parameters, simplicity in implementation and high prediction precision, and can be widely applied to application occasions with high IGBT junction temperature measurement difficulty and high required precision.
Owner:HEFEI UNIV OF TECH

Storage robot path planning method based on artificial bee colony-adaptive genetic algorithm

The invention relates to a storage robot path planning method based on an artificial bee colony-adaptive genetic algorithm, and belongs to the field of path planing. The method comprises the steps of establishing a grid map according to storage environment and obstacle area position information; in allusion to the defects that the performance of a genetic algorithm depends on the quality of an initial population and selection, crossover and mutation operations of genetic operators, the convergence speed is low and local optimum is easily caused when robot path planning is solved, introducing an artificial bee colony algorithm bee nectar source searching mechanism to generate an initial population, so that the initial population quality of the genetic algorithm is improved; optimizing a path planning objective function, and taking a path length, a path turning node number and an energy consumption factor as evaluation indexes; and introducing self-adaptive crossover and mutation operators to improve the convergence speed of the algorithm. Compared with a traditional genetic algorithm, the improved genetic algorithm is greatly improved in the aspects of algorithm convergence speed, path smoothness and energy consumption.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Method for treating stony desertification zone through frangipani interplanting cash crops and accompany-cultivated bees

Provided is a method for treating a stony desertification zone through frangipani interplanting cash crops and accompany-cultivated bees. Short cash crops are interplanted under frangipanis, bees are cultivated, and stony desertification zone comprehensive treatment is carried out. According to the method, the natural science law is observed, manual quick vegetation recovering in the stony desertification zone is achieved in a large-area-high-survival-low-cost mode, conservation of soil and water is achieved, ecotope is improved, biodiversity is used, the cash crops are interplanted between the rows of the frangipanis, based on the fact that the flowering phase of frangipani trees is long (6 months-8 months) and nectar sources are stable, in addition, some wild flowers can complement nectar sources, bee industry is introduced, zoology vegetation recovering in the stony desertification zone can be well improved, and local masses can obtain income quickly. By recycling and deep processing of flowers, leaves and sap of the frangipanis, environment benefit, social benefit and economic benefit are achieved scientifically, and certain effect is achieved on harmonious development of human society.
Owner:云南景然环境建设股份有限公司

Tent mapping improved bee colony algorithm for image threshold segmentation

The object of the invention is to provide a Tent mapping improved bee colony algorithm for image threshold segmentation. The method includes: employing Tent mapping to initialize the individuals of the algorithm; employing the Tent mapping to uniformly distribute initial values in a solution space; employing the standard manual bee colony algorithm to search a new nectar source near a nectar source; updating the position of the new nectar source, maintaining the position of the new nectar source if the position is better than the position of the original nectar source, and otherwise maintaining the position of the original nectar source; updating the position of the new nectar source aiming to a following bee according to the method of step 3 and the selection probability of roulette, maintaining the position of the new nectar source if the position is better than the position of the original nectar source, and otherwise maintaining the position of the original nectar source; updating the optimal solution aiming to a leading bee and the following bee; re-generating the nectar source individual if the optimal solution reaches the limited number; transferring to the step 3 for iteration if the iteration frequency is lower than the preset iteration frequency; and otherwise outputting the optimal solution. The beneficial effects of the Tent mapping improved bee colony algorithm are that premature convergence is prevented, and the searching speed is fast.
Owner:NORTHEAST GASOLINEEUM UNIV

Three-phase inverter control method based on improved artificial bee colony algorithm

The invention discloses a three-phase inverter control method based on an improved artificial bee colony algorithm, and relates to the technical field of electric power, and the method comprises the following steps: S1, building a three-phase inverter control structure; S2, initializing a population; S3, designing a calculation method of the fitness value of the optimal nectar source of the improved artificial bee colony algorithm; S4, according to the optimal solution obtained in the S3, transmitting the optimal solution to a three-phase inverter off-grid setting model and a three-phase inverter grid-connected setting model. A standard artificial bee colony algorithm is introduced to set control parameters of the three-phase inverter, a chaotic mapping improvement strategy is introduced on the basis of an artificial bee colony, the global search capability, the optimization searching precision and the convergence speed of the algorithm are improved, the chaotic improved artificial bee colony algorithm is applied to a PID control system to set the control parameters, a PID control parameter setting method based on a chaos improved artificial bee colony algorithm is provided, and finally the PID control parameter setting method is applied to a three-phase inverter off-grid and grid-connected parameter setting model.
Owner:NANCHANG UNIV
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