43results about How to "Reflect needs" patented technology

The invention discloses a device and a method for information search sequencing to improve the efficiency of a user in obtaining the target search result so as to reduce the expenditure of associated equipment in a search engine and improve the system performance. The information search sequencing device comprises a determination unit for determining a correlation parameter value of each search document with respect to the search content according to the search content submitted by the user; a predetermination unit for predetermining the user and organizational structure recommended click weight of each search document with respect to the search content; and a sequencing unit for determining the sequencing parameter value of each search document according to the correlation parameter value of each search document and the user and organizational structure recommended click weight, and for returning search results sequenced according to the sequencing parameter value of the search document. The invention further discloses an information search device and a method for improving the accuracy of search results.

The present invention claims to protect an intelligent access method for maximizing comprehensive benefits in a heterogeneous wireless network. In a heterogeneous wireless network, the current access algorithm has frequent access and lacks the problem of adjusting the access strategy according to the user's moving speed , propose an intelligent access algorithm for maximizing comprehensive benefits. First, calculate the user's maximum transmission rate according to the user's received signal strength and available bandwidth, and use it as the current benefit; secondly, use the prediction method to obtain the user's transmission rate at the next few moments, and combine it with a weight-decreasing method to use it as a long-term benefit. Benefits; finally, combine current and long-term benefits based on user movement speed. Experimental results show that the present invention can effectively reduce access times, improve system throughput, and adapt to user access with different moving speeds.

The invention discloses an intelligent wheelchair man-machine interaction control system and an intelligent wheelchair man-machine interaction control method based on eye movement recognition. According to the system and the method, an electromyographic signal acquisition module is used for collecting electromyographic signals of the eyes, characteristic selection is carried out on the electromyographic signals, eye movement recognition is carried out according to the electromyographic characteristic change difference during blink, thus the accurate judgment on the conscious blinking is realized, further, the accurate control over the direction of a wheelchair is realized by combining a plurality of conscious blinking modes, a fuzzy controller part takes a signal electromyographic integral value and signal slope as input and the running speed of the intelligent wheelchair as output, then a two-dimensional structure fuzzy controller with two inputs and single output is built, and thus the accurate control over the running speed of the wheelchair is realized. According to the system and the method, the scheme is diversified, the operation mode is simple, convenient and rapid, the learning is easy, the special requirements of old people and disabled people in the control mode are fully considered, the control problem of the intelligent wheelchair system caused by the fact that a traditional control mode is not flexible in operation and a user responds slowly is avoided, and the practical requirements of the old people and the disabled people are well adapted.