1489 results about "Current period" patented technology

A device and method is provided for automatically controlling the heating element(s) of an electric hot water heater to minimize electric energy consumption over a prolonged time period by projecting the future need for hot water based on it's use in prior time periods as well as by monitoring the use of hot water during current periods. The device saves energy by switching the heater "off" during times when the projected and current need for hot water is low or nonexistent thereby reducing the tank temperature and therefore energy losses to the ambient, while detecting the instantaneous requirement for hot water through utilization of a flow sensor arrangement, one of which is the utilization of thermistors on the exit pipe and on the tank or body of the heater. The device leaves all existing controls intact and may be adapted by end users to existing heaters or by manufacturers of original equipment (OEMs).

A method for simultaneously carrying out positioning and map-making by mobile robot at unknown environment includes setting-up current local occupation lattice map and local section map according to data obtained by distance-measurement transducer on mobile robot, estimating current period pose of mobile robot based on certain data and some set-up map, setting-up obtained local section map and local occupation lattice map according to pose estimation of current period mobile robot and updating global occupation lattice map and global section map.

Circuits, systems, methods and software for controlling a power conversion and / or correcting and / or controlling a power factor in such conversion(s). The present invention generally takes a computational approach to reducing or minimizing zero current periods in the critical mode of power converter operation, and advantageously reduces zero current periods in the critical mode of power converter operation, thereby maximizing the power factor of the power converter in the critical mode and reducing noise that may be injected back into AC power lines. The present power factor controller allows for greater design flexibility, reduced design complexity, and reduced resolution and greater tolerance for error in certain parameter measurements useful in power factor correction and / or control.

The present invention is related to a system and method of considering time segments or intervals in a collaborative filtering model. The present invention extends collaborative filtering approaches by integrating considerations of temporality into the training and / or vote input associated with the usage of collaborative filtering models. The present invention also applies filtering to the output with temporal models, so as to view a most appropriate subset of recommended content, centering on content that may be available at a target time. The present invention applies time to a collaborative filtering model by allowing weight to be associated with selections within a current time segment, selections historically watched within the current time segment by the user and selections historically watched within the current time segment by a large group of users.

An enhanced messaging capability which enables the recipient of the message to respond to a query by pressing a single button or multiple buttons to issue the response. Code for enabling a receiving device to display the message and provide simplified response options is carried by a messaging format such as SMS, MMS, etc., in which a web browser application is not required nor invoked to permit active response functionality. A mechanism is provide to allow delivery of response in a variety of formats. The system may automatically take a selected action if a response is not received within a present time period. A message and response system greatly simplified from the senders and recipients perspective is provided.

The invention discloses a mobile terminal and an application icon display method. The mobile terminal comprises a detection module, a counting module and an intelligent display module, wherein the detection module is used for recording application programs started in the mobile terminal by a user and time point in a preset time period; the counting module is used for dividing the preset time period into a plurality of preset time segments, and counting the names of the started application programs in each time segment according to the recorded application program name and the starting time point; and the intelligent display module is used for monitoring the current time, selecting one or more of the counted application program names corresponding to the current time segment when entering different preset time segments, and correspondingly displaying the shortcut icons of the application programs in a preset page according to the selected application programs. By using the mobile terminal and the method, the time of searching the application icons by the user is reduced, and the loss of a touch screen is reduced.

The present invention is related to a system and method of considering time segments or intervals in a collaborative filtering model. The present invention extends collaborative filtering approaches by integrating considerations of temporality into the training and / or vote input associated with the usage of collaborative filtering models. The present invention also applies filtering to the output with temporal models, so as to view a most appropriate subset of recommended content, centering on content that may be available at a target time. The present invention applies time to a collaborative filtering model by allowing weight to be associated with selections within a current time segment, selections historically watched within the current time segment by the user and selections historically watched within the current time segment by a large group of users.

A radio-therapy apparatus includes a radiation head configured to irradiate a therapeutic radiation, and an image processing section configured to generate an image of a diseased portion of a specimen from a result of detection of the diseased portion while tracking the diseased portion to which the therapeutic radiation is irradiated from the radiation head. A control section controls the radiation head and the image processing section such that a period containing the generation of the image and the irradiation of the therapeutic radiation is repeated and the detection of the diseased portion in a next period is started prior to an end of a current period. A recording section records the image of the diseased portion generated by the image processing section in order.

The invention provides a vision-based self-aid landing navigation system for an unattended air plane, which comprises a software arithmetic and a hardware arrangement. The software arithmetic comprises a computer vision arithmetic and an information merging and state estimation arithmetic; the hardware arrangement comprises a runway feature, on-board sensor subsystem and an information merging subsystem. The on-board sensor subsystem comprises an on-board camera system, an on-board inertial navigation system, a height meter system and a magnetic compass, measures the real UAV state, traces and analyzes the runway features by the on-board camera system, gets the measurements of the runway feature points, and sends the measurements to the information merging subsystem. The information merging subsystem gets the estimated value of the runway feature points through the runway model and the camera system model based on the estimated value of the airplane state at previous period as well as the measurement on the airplane state at current period by the on-board sensor subsystem, and compares with the measurements, merges other measurement information, and gets navigation information of high accuracy through calculation by the data processing module.

The invention provides an air conditioner defrosting control method and an air conditioner. The method comprises the following step: after the current defrosting operation period of the air conditioner finishes, calculating and determining the heating operation time and defrosting time of the air conditioner of the next period on the basis of the indoor coil pipe temperature drop rate: when the indoor coil pipe temperature drop rate is high, controlling the heating operation time of the air conditioner of the next period to be less than or equal to the heating operation time of the air conditioner of the current period, and controlling the defrosting time of the next period to be greater than the defrosting time of the current period; and when the indoor coil pipe temperature drop rate is low, controlling the heating operation time of the air conditioner of the next period to be greater than the heating operation time of the air conditioner of the current period, and controlling the defrosting time of the next period to be less than or equal to the defrosting time of the current period. The heating operation time and defrosting time of the air conditioner of the next period are adjusted on the basis of the indoor coil pipe temperature drop rate when the operation of the current period finishes, thereby implementing dynamic adjustment on the heating and defrosting, and solving the technical problem of unclean defrosting or false defrosting when the defrosting is controlled on the basis of the indoor coil pipe temperature.

Stream indexing for delivery of an interactive program guide. In accordance with a first aspect, a method of stream indexing for delivery of an interactive program guide comprises: assigning a first plurality of packet identifiers to program guide content for a current time period; and assigning a second plurality of packet identifiers to program guide content for a plurality of lookahead time periods. In accordance with a second aspect, a method of stream indexing for delivery of an interactive program guide (IPG) comprises: providing a plurality of video packet identifiers; assigning each video packet identifier to a corresponding guide page; providing a plurality of data packet identifiers, where the plurality of data packet identifiers is less in number than the plurality of video packet identifiers; predetermining a prime number which is less in number than or equal in number to the plurality of video packet identifiers; dividing each video packet identifier by the prime number in order to generate a remainder; and using the remainder to assign a data packet identifier to each video packet identifier.

A server includes a host running an operating system kernel. Isolated virtual private servers (VPSs) are supported within the kernel. At least one application is available to users of the VPS. A plurality of interfaces give the users access to the application. Each VPS has its own set of addresses. Each object of each VPS has a unique identifier in a context of the operating system kernel. Each VPS is isolated from objects and processes of another VPS. Each VPS includes isolation of address space of each user from address space of a user on any other VPS, isolation of server resources for each VPS, and failure isolation. The server includes a capability of allocating (or reallocating) system resources to a designated VPS, allocating (or reallocating) system resources to a VPS in current need of such resources, dynamically allocating (or reallocating) VPS resources to a VPS when additional resources are available, and compensating a particular VPS in a later period for a period of under-use or over-use of server resources by the particular VPS in a current period. VPS resources are allocated for each time cycle. All the VPSs are supported within the same OS kernel.

A method, system, and program for automated selection of a backup recipient and distribution of an instant messaging request to the backup recipient are provided. A communication support system detects a messaging request initiated by a requester for an intended recipient. The communication support system determines whether the intended recipient is available to respond to the messaging request from the requester. If the intended recipient is unavailable to respond to the messaging request from the requester, the communication support system searches at least one of a directory entry, a backup directory entry, and a schedule entry for the intended recipient to identify a designated backup for the messaging request. In particular, the designated backup recipient is selected from among multiple available backups where at least one characteristic of the messaging request matches at least one from among a current time period, a requester identity, and an intended subject matter specified in association with the designated backup recipient. Once the communication system selects a backup recipient, then the messaging request is distributed to the selected backup recipient, wherein the selected backup recipient is enabled then to respond to the messaging request.

The invention discloses a method and a device for controlling new fan filter screen use time as well as a new fan system. The method comprises the following steps: the air pollution degree of a new fan use location in the current time interval is acquired; the conversion factor of the new fan use time is acquired according to the air pollution degree; the conversion running time of the new fan in the current time interval is calculated according to the conversion factor; sum of the conversion running time of the new fan in the current time interval and the conversion already running time of the new fan is obtained, and the total conversion running time of the new fan is acquired; and when the total conversion running time is larger than or equal to filter screen replacement time, a new fan filter screen replacement alarm is given. Calculation of the filter screen use time is combined with the specific use environment of the new fan, the time is accurately calculated, waste caused by early replacement of the filter screen under good air quality condition is avoided, and the problem that use is influenced by poor air filter effect of the new fan due to the fact that the filter screen is not replaced in time in poor use environment is solved.

An enhanced messaging capability which enables the recipient of the message to respond to a query by pressing a single button or multiple buttons to issue the response. Code for enabling a receiving device to display the message and provide simplified response options is carried by a messaging format such as SMS, MMS, etc., in which a web browser application is not required nor invoked to permit active response functionality. A mechanism is provide to allow delivery of response in a variety of formats. The system may automatically take a selected action if a response is not received within a present time period. A message and response system greatly simplified from the senders and recipients perspective is provided.

An embodiment of the invention provides a block chain technology-based asset data processing system. The block chain technology-based asset data processing system comprises a main chain and multiple side chains formed according to regional division; the main chain and the side chains are both block chains comprising multiple blocks; the side chains are used for performing asset data processing in the region corresponding to the side chains, taking T as a period and reporting the asset data processing information to the main chain, and downloading the new block information of the main chain to generate genesis blocks of the side chains in the next period, wherein the new block of the main chain is generated after the main chain performs statistics on the asset data processing information in the current period reported by the side chains; and the main chain is used for performing asset data processing among different regions. The system is a complex block chain network established based on the block chain technology, so that localization and individuation development of the blocks can be realized, the usability of the block chains can be reinforced, and the performance of the block chains can be improved.

The invention discloses a system, a method and a device of verification of data so as to simplify the processing logic of the verification of the data and save the processing resources of equipment aiming at business data of different types. The system of the verification of the data comprises a service sub-system, a data verification sub-system and a cooperating mechanism processing sub-system. The service sub-system is used for configurating the service rule of each service, and storing the service data details of the service according to a preset period. The data verification sub-system is used for acquiring the service data details and sending the service data details to the cooperating mechanism processing sub-system when a current period is finished, receiving data details to be verified sent by the cooperating mechanism processing sub-system, and sequentially matching each data record according to the pre-allocated service rules. If each pair of data records is matched, the verification of the data is confirmed to be successful, and if at least one pair of data records is not matched, the verification is confirmed to be abnormal. The cooperating mechanism processing sub-system is used for processing each data record after receiving the service data details, obtaining the data details to be verified, and sending the data details to be verified to the data verification sub-system.

A regression-based residual echo suppression (RES) system and process for suppressing the portion of the microphone signal corresponding to a playback of a speaker audio signal that was not suppressed by an acoustic echo canceller (AEC). In general, a prescribed regression technique is used between a prescribed spectral attribute of multiple past and present, fixed-length, periods (e.g., frames) of the speaker signal and the same spectral attribute of a current period (e.g., frame) of the echo residual in the output of the AEC. This automatically takes into consideration the correlation between the time periods of the speaker signal. The parameters of the regression can be easily tracked using adaptive methods. Multiple applications of RES can be used to produce better results and this system and process can be applied to stereo-RES as well.

A telecommunications system and method for enabling a subscriber to determine the current time period, e.g., peak or off-peak, for that subscriber based upon the broadcasted system date and time prior to answering or placing a call on a mobile terminal. The Mobile Station (MS), or a Subscriber Identity Module (SIM) card within the MS, can be programmed with the relevant time periods for that subscriber, e.g., dates and hours for peak and off-peak time periods. In preferred embodiments of the present invention, a time period application within the SIM card receives the system information from the air interface and compares it with the stored time period information associated with the subscriber to determine the current time period. The SIM card can then instruct the MS to display the current time period, along with the amount of air time usage associated with that time period.

The invention discloses a memory management method and a mobile terminal. The memory management method comprises the following steps that: when the usage rate of a system memory of the mobile terminal is greater than or equal to a preset numerical value, an area, where the mobile terminal is currently, is determined; the priorities of various application programs are determined according to the obtained use numbers of the various application programs operated in the background of the mobile terminal; the use numbers are use numbers of the various application programs in the area within a current time slot; at least one application program operated in the background is closed according to the increasing size order of the priorities of the various application programs; the memory resources of the at least one application program operated in the background are released; and thus, the usage rate of the system memory is less than the preset numerical value. According to the invention, the priorities of the application programs are determined according to the use numbers of the various application programs operated in the background in the area, where the mobile terminal is currently, within the current time slot; therefore, the application programs are closed and the memory resources are released according to the priorities; and thus, the use experience is improved.

The invention discloses a method and a device for predicting traffic, which predicting the traffic based on a mass measurement report and comprises: determining the grid in which a measurement report MR is positioned during reporting according to the report position of the measurement report received, wherein the grid is obtained by dividing the geographic area of the traffic to be tested in advanced; counting the MRs in all time periods of each grid according to the report time and the grid of the MR; acquiring the number of MRs in the M adjacent time periods of a current time period in each grid and calculating a predicted value of the traffic in the current time period in each grid by using a time sequence prediction algorithm. The method and device realize real-time, fine-granularity and high-precision traffic prediction.

The present invention discloses a control circuit for reducing output ripple in a constant on-time switching regulator and a method thereof, for controlling a power stage. The control circuit determines whether a zero current period wherein an output current is zero is longer than a threshold period, and switches the on-time period to a shorter period if it is longer, whereby the power stage operates according to the shorter period while still in the discontinuous conduction mode (DCM).

The invention discloses a method and a device for allocating CPU resources of a virtual machine. The method comprises the following steps of: monitoring operating conditions of all virtual machines in the current period to obtain the monitoring information which at least includes CPU resource utilization rates of all virtual machines in the current period and the throughputs applied to all virtual machines in the current period; according to the monitoring information, performing feedback adjustment on CPU resource request of all virtual machines in the next period by taking the target CPU resource utilization rate of all virtual machines and the target throughputs applied to all virtual machines as a target; according to the CPU resource request of all virtual machines, deciding the CPU resource allocations of all virtual machines in the next period on a virtual machine management control layer; and according to the CPU resource allocations of all virtual machines, allocating CPU resources for all virtual machines. The method adopts a dynamic mode to allocate CPU resources for all virtual machines, so that all virtual machines on one physical node can be coordinated to share the CPU resources.

The invention relates to a method for processing the information of float cars under the structure of a parallel road network, which is mainly applied to the service field of the intelligent dynamic traffic information. The method comprises the steps: step 1, an SVM (Support Vector Machine) sorter is adopted to judge the matching relationship between sampling points and roads, and map match is carried out; step 2, according to map match information, a heuristic route deduction algorithm is adopted to deduce possible running routes of a car, and according to the properties of road chains contained in the routes, whether the car runs in the structure of a parallel road network or not is judged; the shortest running route or a main running route and a subsidiary running route are selectively output in different circumstances, and the reliability of average running speed information provided by the car is estimated; step 3, the D-S (Dempster-Shafer) evidence reasoning theory based on classification is adopted to merge road condition information provided by all the float cars passing by a certain road chain in a current period and consider the reliability of the road condition information in a merging process so as to obtain the mathematical expectations of the average speed and the travel time of the float cars passing by the road chain in the current period. On the basis that the data quality of the prior float cars is kept unchanged, the invention realizes the acquisition of the real-time dynamic traffic information under the structure of a parallel road network.

The invention discloses an electric quantity detecting and controlling method and an electric quantity detecting and controlling device for a rechargeable battery. The method comprises the following steps of: detecting an electric quantity change of the rechargeable battery in a current time period to update a cumulative electric quantity change; updating remaining available electric quantity in the current time period according to a remaining available electric quantity initial value and the electric quantity change in the current time period; updating the current internal resistance of the battery according to the remaining available electric quantity and the fully-charged available electric quantity in the current time period; determining a capacity-calibrated threshold voltage according to the current internal resistance; and calibrating the fully-charged available electric quantity and the remaining available electric quantity initial value in a next time period according to the threshold voltage and the accumulative electric quantity. The electric quantity detecting and controlling method has the advantages that: the precision is high, the method is convenient to implement and the like. Correspondingly, the electric quantity detecting and controlling device comprises a detection module, an internal resistance update module, a threshold voltage calibration module and an electric quantity calibration module, and has the advantages that: the device is convenient and simple to operate, the measurement precision is high and the like.

The invention discloses a NURBS (Non-Uniform Rational B-Splines) tool path speed planning method for five-axis numerical control machining. The method comprises the following steps of: 1, creating synthesized constraints oriented to double NURBS cure tool path route interpolation, synthesizing the constraints to solve a maximum speed and an acceleration of the tool in a moving process, and establishing a synthesized constraint space in a machine tool interpolation process; 2, performing bidirectional speed planning based on window scanning, taking the current speed as basis, scanning forwardsfrom a window start pint to a window tail end in a viable speed domain to obtain a feeding speed of a current period. The method ensures that the path is machined with the highest speed under a condition of meeting the requirements on servo capability and machining performance of the machine tool, and implements a high-quality and high-efficiency machining process.

The invention provides a step-by-step management method for online advertisement delivery, with the purpose of controlling the delivery speed of online advertisements in a real-time bidding system, so that the advertising display can obtain the maximum benefit under the condition of limited budget. The method includes: (1) According to historical logs, offline estimation of parameters such as user flow, bidding success rate, average bid winning price, and key performance indicators of each advertisement in each time period in the new advertisement delivery cycle; (2) Offline estimation The delivery probability of each advertisement in each time period in the new delivery cycle; (3) In the actual delivery process, according to the actual budget expenditure of each advertisement in the completed time period, online adjustment of the current time period for each advertisement Delivery probability; (4) According to the advertisement delivery probability in the current time period, for each advertisement display opportunity, the demand-side platform will judge whether to participate in the bidding.

The invention provides a data index establishing system, which includes a time period dividing unit, a first index establishing unit, and a second index establishing unit, wherein the time period dividing unit is configured to divide a preset time range into multiple time periods; the first index establishing unit is configured to establish first grade indexes for data in a present time period, and each first grade index comprises a time period index and a subspace index; the second index establishing unit is configured to establish second grade indexes for data in the present time period during the time periods after the present time period; moreover, the second grade indexes have finer granularity than the first grade indexes. The invention further provides a data index establishing method and a data query method. With adoption of the system and methods, index maintenance cost under the circumstance of high frequency update is reduced, invalid scanning during the query process can be reduced, and thus query performance is improved.

The invention discloses a method, device and system for supporting time shifting and look back and live broadcast on-demand seamless switch in a dynamic hyper text transport protocol (HTTP) streaming transmission scheme. The method is characterized by comprising the following steps: sending a live broadcast media presentation description (MPD) request message by using a media server; receiving a response message which is returned back by the media server and contains the MDP at the current period, wherein media presentation information at the other periods is also contained in the MDP; determining that the time at which a media fragment needs to be required currently exceeds the lower limit of a time range corresponding to the MPD, and determining the media presentation information corresponding to the media fragment needing to be required currently according to the media presentation information in the other periods; and according to the media presentation information corresponding to the media fragment needing to be required currently, acquiring the corresponding MPD, and requesting the media fragment needing to be required currently to the media server according to the acquiredcorresponding MPD, so that a client can support the time shifting and look back within a longer time range, and simultaneously, the size of the MPD can be maintained within an acceptable range.

The invention provides a passenger volume prediction method of urban rail transit. The passenger volume prediction method comprises the following steps: accounting OD (Origin-Destination) distributionmatrices based on current time of target rail transit lines; acquiring a passenger volume prediction model by building and using historical OD distribution matrix training of the target rail transitlines according to a prediction requirement; and predicting the passenger volume of specified road sections of the target rail transit lines in a prediction time period. According to the passenger volume prediction method of the urban rail transit disclosed by the invention, passenger volume prediction processes can be effectively simplified, calculation speed and calculation precision are improved, and a powerful support is provided for reasonably carrying out management and dispatching of transport in time.