159 results about "Time standard" patented technology

The present invention relates to monitoring chemicals in a process chamber using a spectrometer having a plasma generator, based on patterns over time of chemical consumption. The relevant patterns may include a change in consumption, reaching a consumption plateau, absence of consumption, or presence of consumption. In some embodiments, advancing to a next step in forming structures on the workpiece depends on the pattern of consumption meeting a process criteria. In other embodiments, a processing time standard is established, based on analysis of the relevant patterns. Yet other embodiments relate to controlling work on a workpiece, based on analysis of the relevant patterns. The invention may be either a process or a device including logic and resources to carry out a process.

The invention provides an appointed cooking control method of a cooking electrical equipment using a digital menu, which comprises the following steps: step 1: a signal receiving module obtains a user command containing the name information of dishes to be cooked and cooking finish time information and transmits the user command to a central processing module; step 2: the central processing module transfers corresponding digital menu from a storage module according to the name information of dishes to be cooked, obtaining the lasting time standard data in the digital menu and calculating the cooking start time according to the cooking finish time information and the lasting time standard data; and step 3: a heating module is controlled to start the cooking processes of corresponding dishes when the central processing module judges that current time reaches the cooking start time according to timing information of a timing module. With adoption of the control method provided by the invention, the user can directly appoint the cooking finish time without spending energy to calculate time, and the work in memorizing the consuming time of a great number of dish cooking processes by the user is saved.

The invention discloses a device, a system and a method for synchronously playing video data and audio data. The system includes a front-end transmitting equipment and a terminal, wherein: the front-end transmitting equipment is used for transforming time stamp of the received media data to broadcasting time stamp under uniform time standard; broadcast-transmitting the media data needed to be transmitted in current time slice together with broadcasting time stamp of the media data; the terminal is used for determining broadcasting time of each media data according to time stamps.

The invention discloses a time-series data cleaning method for pipe net modeling. The time-series data cleaning method for the pipe net modeling comprises the steps of searching and elimination of duplicate values, data dispersion degree analysis, judgment of outliers, denoising noisy points of curve smoothing, interpolation completion of missing data. The time-series data cleaning method for the pipe net modeling introduces variation coefficient to achieve standardization processing of pressure information and flow data of different dimensions, judges the dispersion degree of arrays and screen the dispersion degree of arrays at the same time. The time-series data cleaning method for the pipe net modeling is characterized in that outlier data at first is searched and processed by a utilizing three times standard deviation method and then is fitted by a least square method, which greatly reduces the effects of outliers on fitting results. At the same time, data smoothing of the noisy points is processed by fitting functions, which can further reduce the presence of outlier data. The least square method can satisfy the data processing which does not conform to the normal distribution. Compared with linear interpolation, cubic spline interpolation utilized in the end can make the data inserted more smooth. The time-series data cleaning method for the pipe net modeling has the advantages of preprocessing the data before the data is imported into a model for calculation, achieving the effect of data cleaning, and providing a guarantee for the calculation of the model.

The present invention is directed toward a system and method that facilitates investment account transfers where the time standard for reliably accomplishing a transfer may be decreased. A system for facilitating investment account transfers includes an administrator, a rules engine, a service case manager, and a messaging engine. The administrator is configured to receive a transfer request and to initiate a transfer case. The administrator is also configured to cooperate with a rules engine to facilitate management of the transfer case in accordance with a set of business rules. Cooperating with the rules engine, the administrator is configured to initiate service cases comprising business process instructions which, when executed, advance the progress of the transfer case. A service case manager is configured to receive service cases from the administrator, and to perform the specific business processes specified therein. Finally, a messaging engine is configured to receive instructions from the service case manager and to transmit messages to appropriate parties at appropriate times in accordance with the specified business processes.

An apparatus and method estimates a plurality of synchronized phasors at predetermined times referenced to an absolute time standard in an electrical power system. The method includes acquiring and determining a frequency of a power system signal, sampling the power system signal at a sampling interval rate based on a frequency of the power system signal to form signal samples, and generating a plurality of acquisition time values based on an occurrence of each of the signal samples at a corresponding plurality of different times referenced to the absolute time standard. The method further includes adjusting a phasor of each of the signal samples based on a time difference between a corresponding selected acquisition time value and a predetermined time referenced to an absolute time standard to form the plurality of synchronized phasors.

Phasor Measurement Units (PMUs) tend to be specialized and expensive—relegated to only key points in power distribution networks, and are generally reliant on GPS technology. The present disclosure details how any smart meter—using wireless communication—can perform sub-microsecond-grade synchrophasor measurements. Other aspects concern smart meter-based determination of A, B or C phase of the tri-phase power network. This can involve count-stamp enabling message packets sent to and / or from a smart meter, and then associating such count-stamps to local measurements of power phase by a metrology unit. Once a network of such enabled smart meters and other devices is formed, sub-microsecond metropolitan-wide and entire region-wide synchronizing time standard can calibrate local measurements of power phase, where simple A, B and C phase determination is one low hanging fruit application of such. Low cost aggregate monitoring of metropolitan-wide synchrophasors promises a next chapter of importance for that relatively recent art.

According to one aspect, the invention provides a method of synchronizing a clock included in a device. According to one embodiment, the method includes acts of: (a) receiving with the device a clock signal including a time standard provided by a reference clock; (b) determining an elapsed time since a prior receipt of a clock signal including a time standard provided by the reference clock; (c) determining an error between a time provided by the clock signal received in act (a) and a time maintained by the clock included in the device; and (d) adjusting the time maintained by the clock included in the device to correct for the error determined by act (c), where the reference clock comprises an atomic clock.

The invention discloses a remote concentrated meter reading system. The software design scheme of the remote concentrated meter reading system requires a corresponding hardware platform, wherein the hardware comprises a server, a concentrator, an acquirer and electricity meters; the server reads electric energy information from the concentrator or transmits an instruction to the concentrator through general packet radio service (GPRS); and the concentrator reads the electric energy information from the acquirer or transmits the instruction to the acquirer. The remote concentrated meter reading system is characterized in that: the software comprises an automatic meter reading module, a data automatic storage module, a prepayment calculation module, a basic parameter setting module, a remote switch-on / off module and a broadcast check module; the remote switch-on / off module is used for performing remote switch-on / off control on defaulting users; the broadcast check module is used for maintaining time standards of all the electricity meters in a system consistent with that of a personal computer (PC); and after the time is corrected, clocks in the electricity meters do not need the intervention of the PC any more. Compared with the traditional manual meter reading and telephone line meter reading methods, the remote concentrated meter reading system acquires data quickly and accurately, generates electricity statistic analysis quickly, greatly improves efficiency and facilitates management.

The invention discloses an on-line operation state diagnostic method for pipeline pressure monitoring equipment of an urban water supply pipe network. According to the method, monitoring data are obtained on the basis of historical monitoring data, and basic parameters exceeding the top and bottom limitations, and a linear fitting formula are judged; and when remote pressure monitoring data are received, firstly, whether the monitoring data are within the overtime range is judged, secondly, whether the monitoring data are completely consistent with data of last three times is judged and compared, and whether communication and data collecting are failed is judged, thirdly, whether the monitoring data exceed the top and bottom limitations, and the fitting error between the monitoring data and other monitoring points exceeds the two-time standard deviation is calculated, the failure probability and normal probability of the pressure monitoring data are calculated, weighted average evidence is compounded through the D-S compound rule, and whether data collected by pressure monitoring equipment is normal is judged. Mutual verification is conducted through the mutual relation between instruments, the situation that it is not found in time that a pressure sensor does not conduct normal communication or deviates from normal monitoring in the wild is avoided, and integrity and normal operation of a water supply monitoring system are ensured.