31 results about "Serial system" patented technology

A serial system and method for blowing antifuses are disclosed. One embodiment of antifuse system includes a plurality of latch devices connected in series from input to output. The system also includes a plurality of antifuses. The antifuses are configured to receive an output signal from a corresponding one of the latch devices. The plurality of latch devices includes a plurality of D flip-flops connected in series. Each of the D flip-flops is configured to receive an output signal from an immediately previous D flip-flop in the serial data flow and to provide an output signal to an immediately subsequent D flip-flop in the flow. In addition, the serial system provides self-detective antifuses, thus creating reliable electrical paths while saving antifuse blowing current resources and time.

The present invention relates to an automated painting system for oil tankers, which includes a mobile platform and an oscillating arm. The assembly only works by controlling cables, reels and wheels. This approach is aimed at painting large vertical walls. The painting platform is suspended by four cables, each cable being attached to a pivot on the mobile platform and two fixed pivots in addition to four winders. The winders contain a servomotor in a synchronous serial system. The cables are made of low-weight polyethylene. Each cable is attached to its own winder. Suspension is carried out with the aid of two tailored cranes and initiated by a further giraffe crane.

An electronic system includes a serial system bus interface having a root complex and an end point, a command bus and a data bus coupled to the serial system bus interface, a memory device coupled to the data bus, and a direct memory access (DMA) controller coupled to both the command bus and the data bus to directly access the memory device in response to request commands which are transmitted from the root complex to the end point. The DMA controller includes a command queue in which the request commands stand by.

The invention relates to organic catalytic reaction, in particular to a reactor for synthesizing MTBE. The reactor is characterized in that an etherification reactor is of split structure with not less than 3 etherification reaction sections. The split structure refers to that each etherification reaction section is provided with respectively independent pot bodies filled with catalyst therein, both ends of each pot body are provided with a feed inlet and a feed outlet and other auxiliary pipeline interfaces; a raw material inlet pipeline is connected with the feed inlets of the pot bodies respectively through valves, and a product outlet pipeline is connected with the feed outlets of the pot bodies respectively through valves; the feed outlet of the pot body of each etherification reaction section is connected with the feed inlet of another pot body via a pipeline through valves, and different pot bodies are connected in series sequentially to compose a continuous annular serial system; the inlet of a heat exchanger is connected with the feed outlet of the pot body of each etherification reaction section by a pipeline through valves, and the outlet of the heat exchanger is connected with the feed inlet of the pot body of each etherification reaction section by a pipeline through valves. The invention can improve production efficiency and reduce production cost.

The invention discloses a reactive coordination control method for a direct current converter alternating current filter and a phase modifier. The reactive coordination control method comprises the steps of reserving enough dynamic reactive power storage for operating points of the phase modifier in a steady-state condition of a direct current converter alternating current voltage; for ensuring the dynamic reactive power storage of the phase modifier while a condition of switching of the alternating current filter is needed, controlling the phase modifier to act in advance, controlling the reactive power increasing or decreasing direction to be opposite to the reactive power changing direction caused by switching of the alternating current filter, so as to reduce alternating current voltage fluctuation caused by switching of the alternating current filter; and under the condition of the direct current converter alternating current voltage fluctuation, if the extremity of the phase modifier is reached while the alternating current voltage still cannot be regulated to a preset value, performing rapid switching of the alternating current filter for ensuring stability of the alternating current voltage. By virtue of the reactive coordination control method, the technical problem of not high coordination degree between the phase modifier and the direct current converter reactive compensation equipment in the prior art is solved, and the stability of an alternating current and direct current parallel serial system can be reinforced.

The invention relates to an MMC converter station running state fuzzy comprehensive evaluating method and belongs to the technical field of electric power transmission.According to the MMC converter station running state fuzzy comprehensive evaluating method, the method aims at carrying out statistic operation on direct-current bus voltage information with a Tsallis wavelet packet energy entropy algorithm, and taking the ratio of the Tsallis wavelet packet energy entropy peak value generated in a transient state fault to the Tsallis wavelet packet energy entropy peak value generated when the fault does not occur as an evaluating factor.The method comprises the steps that voltage signals of a direct-current bus are collected, wherein the sampling frequency is 1024 Hz; level decomposition is carried out on the voltage signals of the direct-current bus with a discrete wavelet packet, a signal matrix is restructured with the node coefficients of the discrete wavelet packet, and finally the energy entropy of the Tsallis entropy wavelet packet is obtained.The evaluating method can be proposed with the combination of reverse nonextensive entropy, healthy evaluation on the MMC running state can be achieved, and the study course of the energy transfer process of an MMC-HVDC alternating-current and direct-current parallel serial system is promoted.The influence severity degree of the MMC converter station by alternating-current line faults or disturbance is accurately reflected by analyzing changes of all electric information in the MMC converter station, and then the healthy evaluation on the MMC running state is achieved.

The invention discloses a calculation method and a system of serially or parallelly connected cascade pump station water supply system operation efficiency. The method comprises the steps of conducting the time-space disintegration of a serially or parallelly connected cascade pump station, in the spatial dimensions dividing the parallel system into several serial systems, separating the serial systems into pump station subsystems and water supply subsystems, in the time dimension, dividing a dispatch process into several balanced time periods, wherein the pump station water level, flow and other parameters are constant in each balance time period, calculating factors influencing the serially or parallelly connected cascade pump station water supply system, establishing a pump station subsystem operation efficiency expression formula, based on whether or not the inter-stage water force is counted, water flow loss and whether there are water divisions, establishing the operation efficiency expression formula of the water supply subsystem under three working conditions, then establishing the calculation model of the serially or parallelly connected cascade pump station water supply system operation efficiency under three different working conditions. The method solves the complexities and dynamics existent in the dispatch operation of the serially or parallelly connected cascade pump station, and the difficulty of quantitative calculation of the operation efficiency.

The invention discloses a parallel-serial capillary tube varying system inherent frequency vehicle shock absorber running method. A capillary tube parallel damping association segment and a capillary tube serial system inherent frequency association segment are sequentially connected to a pipeline between an upper oil bin oil conveying opening and a lower oil bin oil conveying opening from top to bottom; the capillary tube parallel damping association segment comprises four parallel capillary tubes, and each capillary tube is in serial connection with an electromagnetic valve and controls the electromagnetic valve to work; the capillary tube serial system inherent frequency association segment comprises four serial capillary tubes; the four capillary tubes are all in parallel connection with an electromagnetic valve and controls the valve to work. The diameter of the minimum capillary tube of the frequency adjusting segment is far larger than the diameter of the capillary tube of the resistance adjusting segment; in the matrix type work state table, according to the condition, the configuration value Smn of the electromagnetic valve in the frequency adjusting segment is selected, and through the manner of changing the mass, the problem that the inherent frequency of an automobile hydraulic shock absorber system cannot be adjusted or the adjustable range is very small is solved.