35results about How to "Avoid heavy dependence" patented technology

The invention includes steps: (1) establishing corresponding table between number of road junction and name of road section; (2) discriminating and processing error data; (3) obtaining average speed of road section. Average time of travel on road section is equal to sum of average running time and average waiting time. Running length of vehicle is equal to length of road section minus length of vehicle queue at road section under average meaning. Roads are divided into rapid road, main road, secondary road, and branch road. Detecting speed on the spot obtains anticipant speed on different grades of road. Average running time is obtained from average running length of vehicle divided by anticipant speed on different grades of road. Based on M/M/1 theory in queuing theory, the disclosed method obtains average waiting time. Based on length of road, average running time and average waiting time, the method obtains average speed on road. Features are: easy, quick and high reliability.

The invention provides an electronic toll collection method and system for parking and relates to a field of intelligent traffic and IoT. The system includes a stall-type roadside device RSE, a vehicle detector, a national standard ETC onboard unit OBU and/or a national standard electronic license plate RFID, and a rear end system. According to the invention, a technical scheme adopting combination of radio frequency communication and video recognition and flexible selection of external power supply and solar energy self power is adopted and a complete information link from wireless collection of toll collection element information and license plate/stall images from a vehicle to encrypted communication until the complete of a timing-based fee deduction transaction is provided. The method and the system are environment friendly and resource-saving, are high in automation degree and complete in evidence taking, break limitation of the onboard unit in highway ETC toll collection and overcome restriction of heavy dependence on commercial power supply of a traditional roadside device. The method and the system provide a good application foundation for national electronic license plates RFID in immediate putting into use and also create technical conditions for unattended electronic toll collection for roadside parking.

The invention relates to an intelligent optimization method for land utilization layout, in particular to an intelligent optimization method for land utilization layout which is applied to optimal configuration of a land utilization space and based on a particle swarm optimization algorithm and belongs to the field of land utilization planning. The intelligent optimization method for the land utilization layout comprises the following steps of firstly collecting and settling statistic data and space data associated with the land utilization layout, secondly selecting a suitable grid pattern spot partition method to determine an algorithm operation unit, thirdly guiding the data into a PSO (particle swarm optimization) model to carry out problem modeling and layout optimizing, and finally generating an optimization result of the land utilization layout. According to the intelligent optimization method for the land utilization layout, the intelligent actions of human can be better simulated in a land utilization decision process so as to improve the reasonability of the land utilization layout; by utilizing the highly effective optimal algorithm, the intelligent optimization method is suitable for the land utilization layout of a large area; and when optimization conditions are changed, the model can dynamically respond in real time to generate a new optimal layout scheme.

The invention discloses a concrete compaction anti-cracking agent which comprises 20.0-60.0% of light calcined magnesia, 10.0-30.0% of calcium oxide-calcium sulfoaluminate double-expansion source expanded clinker, 5.0-15.0% of gypsum and 20.0-50.0% of a fine powder material of which the specific surface area is greater than 300m<2>/kg, wherein the sum of the contents of all components is 100% based on the total mass of the concrete compaction anti-cracking agent. The concrete compaction anti-cracking agent can be used in concrete to effectively inhibit shrinkage of the concrete and improve the compactness and the durability of the concrete.

A light-reflective anisotropic conductive adhesive used for anisotropic conductive connection of a light-emitting element to a wiring board includes a thermosetting resin composition containing a silicone resin and a curing agent, conductive particles and light-reflective insulating particles. The light-reflective insulating particle is at least one kind of inorganic particles selected from the group consisting of titanium oxide, boron nitride, zinc oxide, silicon oxide, and aluminum oxide. The silicone resin is a glycidyloxyalkyl-alicyclic alkyl-modified organopolysiloxane.

The invention discloses a method for registering shape features of remote sensing images. An opposite detection background model is adopted for extracting the maximum stable and distinguishing shape features from the images, affine normalization is completed, and the error is controlled in combination with a wrong matching removal method with registration accuracy being a guide. Based on an inverse mathematical problem description, the method provides a high-accuracy registration mechanism for the remote sensing images, is not sensitive to scene changes between gray differences and wave bands of different images, solves the problems caused by background or texture changes, meanwhile has the affine invariant characteristic, and is high in execution efficiency and particularly suitable for registering the multi-source remote sensing images under the conditions of size changing and rotating.

The invention belongs to the field of small single-rotor unmanned helicopter flight control research, and designs a novel model-free adaptive sliding mode controller to avoid severe reliability to a system model and the robustness analysis problem under unmodeled dynamics during design of a controller. The designed controller has the stability characteristics such as quasi-sliding modes and bounded inputs, and can control the attitude of an unmanned helicopter with only input and output data of a system. According to the technical scheme, a model-free structure adaptive sliding mode control method for controlling the attitude of a small unmanned helicopter conducts multi-input multi-output system analysis on pitch and roll channels and single-input single-output system analysis on a yaw channel. The method comprises the following steps: 1, multi-input multi-output system analysis on the pitch and roll channels; 2, single-input single-output system analysis on the yaw channel; and 3, controller design and stability analysis. The method is mainly applied to small single-rotor unmanned helicopter flight control research occasions.

The invention relates to road side equipment based on terrestrial magnetism awakening radar distance measuring technology and an application method thereof, and belongs to the field of intelligent traffic and Internet of things. The road side equipment comprises a power supply unit, a processor, a radar distance measuring module, a terrestrial magnetism awakening circuit, an online data communication interface, a receiving and sending antenna of the online data communication interface, an 840-845MHz and/or 920-925MHz RFID (radio frequency identification) wireless communication processing module and a receiving and sending antenna of the 840-845MHz and/or 920-925MHz RFID wireless communication processing module, wherein the radar distance measuring module is in wired connection with the processor. The road side equipment integrates the RFID radio frequency communication and various kinds of vehicle detection; an image sensor assembly can be configured according to the requirements; the unique terrestrial magnetism awakening radar distance measuring technology is used, so that the vehicle management range control is precise; the vehicle detection accuracy is high; the read-write quality effect of candid photograph pictures and anti-metal RFID cards can be ensured; the precious electric energy is enabled to be used in demanded parts without waste; the automation degree is high; the evidence taking is complete; a man-machine interface is moved to a mobile phone; the deployment is flexible, simple and convenient; the technical conditions are created for the roadside parking fully automatic electronic charging.

The novel automatic packaging intelligent garbage can comprises a can body, a middle cover, a top cover and a garbage bag box, an exhaust fan is arranged at the lower end of the can body, and an automatic closing thermal plastic sealing cutting mechanism is arranged in the middle cover; the automatic closing-up thermal plastic sealing cutting mechanism comprises a first lead screw, a second lead screw, a lead screw driving device, a folding rod set used for forcing a garbage bag opening to be folded inwards left and right, and a thermal plastic sealing bag cutting device used for conducting thermal plastic sealing on the garbage bag and cutting off the garbage bag. The cold pressing end device is used for being matched with the thermal plastic packaging bag cutting device to tightly press a garbage bag opening front and back, and the folding rod set comprises a first folding rod, a second folding rod, a third folding rod and a fourth folding rod. According to the garbage can, automatic packaging and sealing operation of the garbage bag can be achieved, the automatic closing-up thermal plastic sealing cutting mechanism is simple in structure, stable in sealing quality and high in speed, uniform closing-up of the garbage bag can be achieved, a uniform and flat packaging and sealing face is formed on the opening of the garbage bag, and the using amount of the periphery of the garbage bag is uniform.

The invention relates to a road segment travel speed calculation method based on sparse GPS data, and solves the problems that the present road segment travel speed calculation depends on the number of traffic floating vehicles and calculation is inaccurate when the GPS data are sparse. The method comprises the following steps: dividing the vehicle GPS data according to the user to establish usertrajectory point set; as for each road segment traveled by a single user, the trajectory points closest to the road segment on the upstream and downstream adjacent road segments are added to the usertrajectory point set; as for each road segment, the travel speed of each user on the road segment is sequentially calculated according to the trajectory direction; and calculating the average travel speed of all the users on the road segment as the travel speed of the road segment and calculating the travel speed of all the road segments. Serious dependence on the number of the traffic floating vehicles in the average speed obtaining method for the common road segment can be overcome so as to improve the accuracy of road segment travel speed calculation; and calculation is simple and convenient, the calculation speed is high and the reliability is high.

The invention belongs to the technical field of display, and discloses an art work screening display system and a display method. The display system comprises an image acquisition module, an image setting module, a central processing module, an image screening module, an image adding module, an image deleting module, an identification module and a display module. The display system comprises an image collecting module, an image setting module, a central processing module, an image screening module, an image adding module, an image deleting module, an identification module and a display module.The invention effectively overcomes the limitation of traditional calligraphy and painting identification through an identification module, greatly improves the accuracy of the identification of calligraphy and painting works, reduces the workload of manual labeling in the traditional identification process, improves the identification efficiency, and provides technical support for the network browsing and retrieval of digital calligraphy and painting works in digital libraries and digital museums, which has a wide application prospect. At the same time, the type screened by the display module can be used as a reminder according to the received interpretation data to view the selected art works, and at the same time, the screened type can be used to view the interpretation data of the artworks more conveniently.

The invention discloses a hybrid catalytic membrane reactor and a method for preparing biodiesel by using the same. The reactor is characterized by comprising a shell, wherein a plurality of CER/PES (cation exchange resin/polyethersulfone) hybrid catalytic membranes, through which a reaction sequentially passes, are arranged in the shell. The CER/PES hybrid catalytic membrane is fused in the reactor for the first time, and the organic combination of the CER/PES hybrid catalytic membrane and reactor can have the catalytic effect and solve the problem that the catalyst can not be easily recovered and reutilized. Since the reactor does not need any additional acid-base catalyst, no wastewater can be generated to pollute the environment. As long as the circulating pump always circulates and pumps the reaction solvent through the reactor, the conversion from waste edible oil to biodiesel can be completed. The method has the advantages of high raw material utilization efficiency, high product purity and simple operation and after-treatment.