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69results about How to "Reduce vacancy rate" patented technology

Park alliance management system and method based on block chain

The invention discloses a park alliance management system and method based on a block chain. The system comprises a user layer, a service logic layer and a data storage layer, wherein the user layer comprises a Web browser and a mobile phone client; the service logic layer comprises three modules of user management, park information management and charge management. The method comprises the following steps: when a vehicle enters a park entrance, judging whether a vehicle is registered, and performing registration if the vehicle is unregistered; performing state judgment if the vehicle has beenregistered, and returning the parked information if the vehicle has been parked; and judging a vehicle balance state if the vehicle is not parked; returning insufficient balance information if the balance is insufficient; judging whether available parking spaces are existent in the park if the balance is sufficient, and returning the non-parking space information if the available parking spaces are inexistent; and enabling the vehicle to successfully enter the park if the available parking space is existent; judging the current state of the vehicle when the vehicle enters the exit of the park, enabling the vehicle to successfully leave if the vehicle is parked at the park, and deducting the parking charge; or displaying failed leaving. Through the system disclosed by the invention, the parking space information sharing and the parking charge automatic payment function can be realized, and the system has thee advantages of being safe and reliable.
Owner:NANJING UNIV OF SCI & TECH

Recycling system for waste electrical and electronic products

The invention discloses a recycling system for waste electrical and electronic products. The recycling system is characterized by comprising a control system as well as a crushing system, a separation system, a dust collection system, a waste gas collection system and a draught fan which are controlled by the control system, wherein the crushing system comprises a knocking crusher, the separation system comprises a winnower and a plastic and metal separation device, and the knocking crusher, the winnower and the plastic and metal separation device are connected through conveyer devices sequentially to form a plastic and metal separation production line; the knocking crusher and an air outlet of the winnower are connected with the dust collection system respectively for collecting light materials and dust of the whole recycling system; an air outlet of the dust collecting system is connected with the waste gas collection system; and the draught fan is connected with the waste gas collection system, so that the knocking crusher, the winnower, the dust collection system and the waste gas collection system are in negative pressure states. The system can be applied to crushing and separation treatment of various waste electrical appliances such as a refrigerator, a circuit board and the like respectively.
Owner:CHINA NAT ELECTRIC APP RES INST +1

Method for establishing customized chartered vehicle travel demand thermodynamic diagrams

The invention discloses a method for establishing customized chartered vehicle travel demand thermodynamic diagrams. The method includes the following steps that statistical data of a starting point and the demands for arriving at passenger stations are matched and counted according to the corresponding relation between start and arrival of passengers, pie charts with the screened corresponding relation are marked based on a start demand thermodynamic diagram to express a travel demand thermodynamic diagram of the starting point, only the corresponding relation needs to be adjusted for the customized chartered vehicle travel demand thermodynamic diagram oriented to stop demands, pie charts with the screened corresponding relation are marked based on a stop point thermodynamic diagram to express a demand thermodynamic diagram of stop points, and the customized chartered vehicle travel demand thermodynamic diagram oriented to start demands and the customized chartered vehicle travel demand thermodynamic diagram oriented to the stop demands are formed through marking based on the start demand thermodynamic diagram and the stop point thermodynamic diagram respectively. According to the method that transport capacity efficiency can be effectively improved according to different start time periods, the tourism chartered vehicle vacancy rate is reduced accordingly, and operating benefits of tourism chartered vehicles are increased.
Owner:GUANGZHOU INST OF GEOGRAPHY GUANGDONG ACAD OF SCI

Parking space sharing system and method based on block chain

The invention discloses a parking space sharing system and method based on a block chain. The system comprises an application layer, a server layer, a middleware layer and a data storage layer, wherein the server layer comprises data statistics, data processing and data query modules; the middleware layer comprises member management, Fabric SDK and chain code function modules; and the data storagelayer comprises relation and state databases. The method comprises the following steps: when a user searches for a shared parking space, the system firstly judges whether the user performs registration or not, then judges whether the parking space is being used or not and finally judges a credit point state of the user, and parking space reservation is carried out on the user meeting the condition; when the user arrives at the parking space, an order state of the user is judged, and a parking operation is carried out; and when the user finishes the use of the parking space, use evaluation issubmitted, the credit grades of the user and a parking space releaser are updated, and an order is completed. The system can realize the functions of releasing parking space sharing information and using the shared parking space, and has the advantages of being safe and reliable.
Owner:NANJING UNIV OF SCI & TECH

Optimization method for lowering empty rate of UUV based on NSGA-II algorithm

The invention belongs to the technical fields of overall performance analysis of an unmanned underwater vehicle (UUV) and multi-objective solving of an NSGA-II algorithm and particularly relates to an optimization method for lowering the empty rate of the UUV based on the NSGA-II algorithm. According to the method, a multidisciplinary optimization model of the UUV is established, an optimization objective function is clarified, overall design of the UUV is subjected to subsystem disintegration, and model design of the UUV is completed; then, by determining continuous variables and discrete variables contained in multidisciplinary optimization design, an objective function is calculated, and constraint conditions are stipulated; and finally multidisciplinary optimization is performed on the UUV according to multidisciplinary optimization design based on the NSGA-II algorithm to obtain an optimal result of the empty rate of the UUV. According to the method, the NSGA-II algorithm is selected to serve as a search algorithm for system optimization, multi-objective, multi-constraint and multi-variable actual UUV comprehensive performance problems are solved, comprehensive optimization of a typical UUV structure, performance and the empty rate of the UUV is realized, the empty rate of the UUV is lowered, good performance indicators of the UUV in all aspects are guaranteed, and therefore the method has high practicability.
Owner:HARBIN ENG UNIV

Partition combined cut-and-filling stoping method

The invention discloses a partition combined cut-and-filling stoping method, which includes the following steps: step 1, arranging a stope: dividing the stope into a front left stope and a rear rightstope along the trend of the ore body, and dividing the stope into three sections in the vertical height direction and dividing each section into three layers: step 2, constructing a transverse drifting prospecting lane to a bottom column to the vertical ore body, performing construction to a measurement inclined shaft from the stope boundary to the position above the bottom column, constructing undercutting level along the ore body trend at the position above the bottom column and near the measurement inclined shaft, then constructing a filling return air shaft inside the stope near to the lower section, and communicating the two sections at the upper part; step 3, constructing a lode outer slipping shaft and a pedestrian drainage well from the transverse drifting prospecting lane, takingthe undercutting level as a free face, then respectively performing primary lamination and secondary lamination stoping inside the two subsection stope layers, then performing stoping layer by layer;erecting the pedestrian drainage well, laying an artificial false bottom and filling an undercutting layer after the stoping is finished. The method has the advantages that the structure is simple, the construction is reasonable, the stoping efficiency is high, and the two adjacent stopes can be combined for combined stoping.
Owner:锡林郭勒盟山金阿尔哈达矿业有限公司 +1

Semi-dismounting-type greenhouse back wall

ActiveCN106912322ASolve the problem that the annual production cannot be carried outLow structural costClimate change adaptationGreenhouse cultivationFiberInsulation layer
The invention discloses a semi-dismounting-type greenhouse back wall structure comprising a lower half section composite wall body and an upper half section composite wall body. The lower half section composite wall body comprises a heat radiation layer, a heat-accumulating layer and a heat-insulation layer from the inside out; the dismounting-type wall body comprises a back wall column supporting structure, a detachable inner layer jute fiber board and a detachable outer layer jute fiber board which are respectively installed at the inner side and outer side of the back wall column supporting structure; the jute fiber board can be freely installed and dismounted; the installation of the jute fiber board can reduce the indoor heat dissipation to the outside in winter and has the function of heat insulation; the jute fiber board can be dismounted in summer for increasing ventilation area of the greenhouse and therefore the indoor temperature can be effectively reduced. The semi-dismounting-type greenhouse back wall of the invention can be used in Jiangsu areas for overwintering production and over summer production, thereby solving the problem that year-round production cannot be carried out in greenhouses in the south and increasing the soil utilization rate; meanwhile, the cost for the greenhouse back wall structure is low; the construction is convenient and economic benefit is increased.
Owner:NANJING AGRICULTURAL UNIVERSITY

Typified form of ribbed floors

The invention relates to a typified form of ribbed floors. The typified form of the ribbed floors is characterized by comprising unfolded arm type forms, side forms and corner forms. The unfolded arm type forms are connected with one anther, the side forms are connected with the unfolded arm type forms, and the corner forms are connected with the unfolded arm type forms and the side forms. The typified form of the ribbed floors further comprises extending bars, the unfolded arm type forms are connected with one anther through the extending bars, the side forms are connected with the unfolded arm type forms through the extending bars, and the corner forms are connected with the unfolded arm type forms and the side forms through the extending bars. The typified form of the ribbed floors adopts the unfolded arm type forms, the forms have elasticity, the cases of the unfolded arm type forms are connected with one another, the sides of the ribbed floors are formed through the side forms, and the corners of the ribbed floors are formed through the corner forms. The flange size of the cases of the forms are adjusted through the extending bars, the most economical rib distance is achieved, and the economical advantages of a ribbed floor system technology are performed to the greatest extent.
Owner:临沂铭泰建材科技有限公司

Structural plane shear strength size effect sample mold manufacturing method based on large number decomposition algorithm

The invention provides a structural plane shear strength size effect sample mold manufacturing method based on a large number decomposition algorithm. The method comprises the following steps: (1) a series of sizes of coiled concrete samples on a structural plane are obtained according to test requirements of rock mass structural plane shear strength size effect research, and a length matrix is formed; (2) the form of a pouring mold is selected according to the length of the sample; (3) simultaneously pouring samples of which the lengths belong to the matrix by adopting a partition plate typemold; (4) pouring a sample of which the length belongs to the matrix by adopting a spliced mold; (5) designing the lengths of small side plates in the spliced side plates to form a length matrix; (6)calculating according to the large number decomposition algorithm; (7) obtaining the total required number of the small side plates and manufacturing the small side plates; and (8) the partition plates are inserted into the inserting grooves and the side plates to be spliced and then the partition plate type mold and the splicing type mold for pouring the series-size structural plane concrete samples are obtained. The utilization rate of the small side plates can be increased through repeated utilization during pouring, the vacancy rate of the mold is reduced and the sample manufacturing efficiency is improved.
Owner:NINGBO UNIV +1

Bus real-time regulation and control information system and scheduling method based on genetic algorithm

The invention discloses a bus real-time regulation and control information system and a scheduling method based on a genetic algorithm. The bus real-time regulation and control information system comprises a network service center, and a mobile client, a vehicle-mounted terminal, a bus control center end and a bus stop board end which are connected with the network service center through a wireless communication part; and the vehicle-mounted terminal comprises a first microprocessor, and an infrared detector, a GPS positioning module, a two-dimensional code scanning device and a first displaywhich are connected with the first microprocessor. The infrared detector is connected with a P1.0 interface of the first microprocessor; the GPS positioning module is connected with a P1.2 interface of the first microprocessor; the two-dimensional code scanning equipment is connected with a P1.1 interface of the first microprocessor; and the first display is connected with a P1.4 interface of thefirst microprocessor. Multi-channel passengers can be integrated, the advanced communication technology is combined, all-around bus information is provided, the bus is dispatched in time, the travel requirements of the passengers are met, and the utilization rate of the bus is increased.
Owner:SHIJIAZHUANG TIEDAO UNIV

Fluid heat accumulating system and usage method thereof

The invention related to the technical field of an energy storage system and discloses a fluid heat accumulating system and a usage method thereof. The fluid heat accumulating system includes a plurality of heat accumulating tanks, a gas-liquid separator, a lower temperature pump, a high temperature pump, a heat exchange device of the external heat supplied and a heat exchange device of a thermalload used outside. Initial filling liquid level of the heat accumulating tank is a zero liquid level; a feeding liquor valve of the separator is connected with a plurality of discharging valves of theheat accumulating tanks, a discharging gas valve is connected with a plurality of pressure maintaining valve, an inlet of the lower temperature pump is connected with a lower temperature dischargingliquor valve, an outlet of the lower temperature pump is connected with an inlet of the heat exchange device of the external heat supplied; an inlet of the high temperature pump is connected with a high temperature discharging liquor valve, an outlet of the high temperature pump is connected with an inlet of the heat exchange device of a thermal load used outside; an outlet of the heat exchange device of the external heat supplied and an outlet of the heat exchange device of a thermal load used outside are connected with a plurality of the feeding liquor valves of the heat accumulating tanks.The fluid heat accumulating system has the advantages of high usage rate of the heat accumulating tank and simple and flexible control and the like, the cost of the heat accumulating heat system can be lowered, and the covering area is reduced.
Owner:TSINGHUA UNIV

Circulating system for final assembly vehicle

The invention relates to a circulating system for a final assembly vehicle. The circulating system comprises two lifting devices for lifting or landing the final assembly vehicle, multilayered tracksfor guiding the final assembly vehicle to move and a rotating device for adjusting orientation of the final assembly vehicle. The vertical separation distance between adjacent two tracks is greater than the height of the final assembly vehicle. The rotating device comprises multiple rotating mechanisms corresponding to the tracks one by one and the rotating mechanisms are used for bearing the final assembly vehicle and driving the final assembly vehicle to rotate, and connecting tracks of the rotating mechanisms can be aligned to the end parts of the tracks, so that the final assembly vehiclecan travel to the tracks from the connecting tracks or travel to the connecting tracks from the tracks. Joining tracks of the two lifting devices can be aligned with the end parts of the tracks, separately, so that the final assembly vehicle can travel from the joining tracks to the tracks or travel from the tracks to the joining tracks. The joining tracks, the connecting tracks and the tracks jointly form a circular traveling circuit of the final assembly vehicle. Therefore, the final assembly vehicle is circularly used, and the stability of the final assembly vehicle in the travelling process is improved.
Owner:浙江亿睿智能装备有限公司
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