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1692 results about "Sequential control" patented technology

Sequential Control System. A control system in which the individual steps are processed in a predetermined order, progression from one sequence step to the next being dependent on defined conditions being satisfied.

Infiltration apparatus and methods of infiltrating an infiltrateable material

An infiltration apparatus is disclosed. The infiltration apparatus may include: a reaction chamber constructed and arranged to hold at least a substrate provided with an infiltrateable material thereon; a first precursor source constructed and arranged to provide a vapor a first precursor comprising a silicon compound; a precursor distribution system and removal system constructed and arranged to provide the reaction chamber with the vapor of the first precursor from the first precursor source and to remove the vapor of the first precursor from the reaction chamber; and a sequence controller operably connected to the precursor distribution system and removal system and comprising a memory provided with a program to execute infiltration of the infiltrateable material when run on the sequence controller by; activating the precursor distribution system and removal system to provide the vapor of the first precursor to the infiltrateable material on the substrate in the reaction chamber whereby the infiltrateable material on the substrate in the reaction chamber is infiltrated with silicon atoms by the reaction of the vapor of the first precursor with the infiltrateable material. Methods of infiltration and semiconductor device structure including infiltrated materials are also provided.
Owner:ASM IP HLDG BV

Intelligent substation based on sensor, communication network and expert system

The invention discloses an intelligent substation based on sensors, a communication network and an expert system. The intelligent substation comprises a substation automation system, a primary equipment condition monitoring system and an intelligent auxiliary control system. The intelligent substation is characterized in that the real-time data of equipment operation are acquired by additionally installing various sensors, the IEC61850 standard is utilized to realize information modeling of the sensor data, a communication network is utilized to build a physical channel for information transmission, and advanced application of the substation automation system and intelligent monitoring and linkage of the primary equipment condition monitoring and auxiliary systems are realized by a background expert system, thus realizing intelligent operation and patrol functions of the substation; the sensors include an all-fiber electronic current transformer, a capacitive voltage divider type electronic voltage transformer, a primary equipment condition monitoring sensor and an internet sensor with an auxiliary system things; and the advanced application of the substation automation system includes sequential control, equipment condition visualization, intelligent alarm, distributed condition estimation, substitution function and the like. Intelligent operation and patrol functions of the substation can be realized.
Owner:CEEC JIANGSU ELECTRIC POWER DESIGN INST +2

Integrated monitoring system information platform for transformer substation

The invention relates to a circuit device used for providing distant indication for conditions of a distribution network and carrying out distant control on a switching device in the distribution network, in particular to an integrated monitoring system information platform for a transformer substation. The integrated monitoring system information platform comprises an integrated information platform body and a station level advanced application module. The integrated information platform body comprises an application-independent graphic base system, a real-time database based on the unified modeling technology, a data normalization module, a data verification module, a data service module, a file service module and a historical library storage service module. The station level advanced application module comprises a graphic, model and library integrated module, a source side maintenance module, a primary equipment status visualization module and a one-button sequential control module. According to the integrated monitoring system information platform, by arranging and integrating functions of various subsystems and carrying out data structure reconstitution on the unified platform, the use ratio and interactivity of data are improved, the reliability, integration and maintainability of the system are improved, and new functional subsystems can have access to the transformer substation conveniently.
Owner:STATE GRID CORP OF CHINA +3

Sitting and lying type lower limb rehabilitation robot

The invention discloses a sitting and lying type lower limb rehabilitation robot, which can respectively carry out a passive training, an assisted training or an active training according to the damage degree or the rehabilitation stage of a patient. The robot comprises a seat, a mechanical arm, a main industrial control box, a man-machine interaction interface, an electrical stimulation handheld switch, an electrical stimulation electrode plate, an electromyographic signal acquisition electrode plate, a functional electrical stimulation instrument and an electromyographic signal acquisition industrial control box. During the passive training, the lower limb of the patient is trained according to a set movement locus; during the assisted training, the main muscle group of the lower limb of the patient is applied with electrical stimulation pulse; according to the movement locus of a tail end, the electrical stimulation pulse is subjected to sequential control to finish the assisted training; during the active training, the electromyographic signal of the corresponding muscle of the patient is collected; and according to different control algorithms, the patient drives robot to realize the active training. According to the sitting and lying type lower limb rehabilitation robot disclosed by the invention, the traditional physical therapy, occupational therapy and kinesitherapy are organically combined, so that the patient rehabilitation effect can be effectively improved, and the desire of the patient to actively participate is enhanced.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

High-sensitivity satellite navigation signal capturing method and system

The invention discloses a high-sensitivity satellite navigation signal capturing method and a system. The system comprises a digital down-conversion module, an average sampling and block accumulation module, an FFT (fast Fourier transform) module, a circumference shifting module, a local PRN (pseudo random noise) code FFT conjugate memory, a complex multiplier module, an IFFT (inverse fast Fourier transform) module, a differential coherence integration module, a peak detection module and a sequential control module. The digital down-conversion module realizes digital down-conversion operation for satellite digital intermediate frequency signals; the average sampling and block accumulation module averagely samples satellite data and completes a block accumulation function; the FFT module searches code phase frequency domains; the circumference shifting module utilizes Doppler circumference shifting search to replace frequency compensation; the local PRN code FFT conjugate memory stores a local PRN code FFT conjugate result; the complex multiplier module realizes signal de-spreading; the IFFT module calculates different code phase coherence results; the differential coherence integration module accumulates differential coherence energy of de-spread satellite signals; the peak detection module realizes signal capturing output; and the sequential control module controls timing sequence of the various modules of the system. Weak signal capturing speed and sensitivity of a satellite navigation receiver are improved, and parameters can be configured flexibly.
Owner:JINAN UNIVERSITY

Battery pack parallel charging device and parallel charging method thereof

A battery pack parallel charging device comprises n groups of charging branches, a power module and a battery manager. The charging branches are connected parallelly, each charging branch consists of a battery pack and a switch which are serially connected, and n is the number of the branches of the charging branches; the power module is respectively connected with the switches of the charging branches; and the battery manager is respectively connected with the battery packs and the switches of the charging branches, is used for acquiring voltage of the battery packs in the charging branches, and controls the switches in the corresponding charging branches to be sequentially switched on according to the voltage of the battery packs in the charging branches from low to high. The shortcoming that high ring current is generated among existing battery packs when the existing battery packs are parallelly charged, harmful effects on the existing battery packs and devices in branches are generated, and the existing battery packs and the devices can even be damaged is overcome. By the aid of the battery pack parallel charging device, ring current among the battery packs is greatly reduced, and accordingly safety charging of the battery packs is guaranteed.
Owner:BYD CO LTD

Method for controlling array light beam co-target collimation of target in loop based on light spot centroid calculation

The invention relates to a method for controlling array light beam co-target collimation of a target in a loop based on light spot centroid calculation. The coordinates of the centroid of a light spot on an imaging plane are obtained through a light spot centroid algorithm, a tilt control quantity which needs to be conducted on each light beam is obtained according to the quantitative relation between tilt control of a tilting mirror of the corresponding light beam and a light spot movement vector, and the centroid of the light spot is moved to a target spot of an image device through control over the tilting mirrors. Co-target collimation of all the light beams of the target in the loop is realized through sequential control cover the array light beams. There is no need to accurately describe or obtain a light path, and a control scheme is simple and convenient and easy to implement. The adopted centroid of the light spot serves as a performance evaluation function which is simple, convenient, high in real-time performance, and remarkable in effect, and consumes a short time. The method for controlling array light beam co-target collimation of the target in the loop based on light spot centroid calculation has extensive application prospects in satellite tracking, the directed energy technology and other fields.
Owner:NAT UNIV OF DEFENSE TECH
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