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156 results about "Transition system" patented technology

In theoretical computer science, a transition system is a concept used in the study of computation. It is used to describe the potential behavior of discrete systems. It consists of states and transitions between states, which may be labeled with labels chosen from a set; the same label may appear on more than one transition. If the label set is a singleton, the system is essentially unlabeled, and a simpler definition that omits the labels is possible.

Wave, wind and light comprehensive electricity generation ship on sea

The invention discloses a wave, wind and light comprehensive electricity generation ship on the sea in the technical field of development and utilization of ocean renewable energy sources. Floaters are installed on the two sides of a hull respectively, the floaters vibrate up and down under the action of waves, and wave energy is firstly translated into mechanical energy and then translated into high-pressure energy of hydraulic oil through a hydraulic transition system; a perpendicular shaft wind machine is installed on a deck of the hull, wind rotors rotate under the action of blown wind, and wind energy is firstly translated into mechanical energy and then translated into high-pressure energy of the hydraulic oil through the hydraulic transition system; the hydraulic oil carrying the high-pressure energy works through impacting a hydraulic motor and drives a direct driven electric generator to generate electricity; a photovoltaic cell square matrix is installed on the deck of the hull to absorb solar energy and translate the solar energy into electric energy. The wave, wind and light comprehensive electricity generation ship solves the problems that electricity generation with ocean energy resources is high in unit cost, poor in stability and the like, and greatly improves competitive power of the development and utilization of the ocean renewable energy sources due to the high flexibility of a system.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Train control grade transition system and method thereof

The invention discloses a train control grade transition system and method thereof in the technical field of train control. The method includes the steps that 1, a CTCS-2 station train control centeridentifies the state of a polarized relay in a semi-automatic blocking change direction logic circuit, and the CTCS-2 station pickup and departure states are formed; and 2, during CTCS-2 station departure, a train speed monitoring curve is modified by adding and modifying reverse operation message parameters; during CTCS-2 station lateral pickup, a speed limiting point is set at a grade transitionpoint to modify the train speed monitoring curve, a train passes through the boundary of a CTCS-2 station and a CTCS-0 station according to speed limiting of the train speed monitoring curve, and meanwhile, a train on-board device completes switching of a CTCS-2 system and a CTCS-0 system. The train control grade transition system and method thereof has the beneficial effects that in case of maintaining semi-automatic blocking of the existing two stations, an interval trackless circuit, no additional renovation work of the CTCS-0 station, non-stopping switching of the train between the CTCS-0train control system and the CTCS-2 train control system is achieved, speed transition during switching is stable, and the efficiency of train transportation is improved.
Owner:CHINA RAILWAY ERYUAN ENG GRP CO LTD

Method and device for strengthening total internal reflection fluorescence microscopic imaging by means of surface plasma

The invention provides a method for strengthening total internal reflection fluorescence microscopic imaging by means of surface plasma of high-level secondary axial symmetry polarized beams. The method comprises the steps that spatial filtering is carried out on laser beams emitted by a laser through a pinhole filter, and the laser beams are straightened into parallel beams through a collimating lens; the parallel beams are incident into a polarization transition system to converted in the aspect of a polarization state; amplitude and phase modulation is further carried out on the obtained secondary axial symmetry polarized beams through a pupil filter and an annular diaphragm; the modulated secondary axial symmetry polarized beams are further reflected into a focusing objective lens with a high numerical aperture through a dichroic beam splitter and are incident to a three-layer structure of 'a glass substrate-a metal membrane-a sample'; excited fluorescence signals are reflected into the focusing objective lens through the three-layer structure, beam-expansion is carried out on the fluorescence signals by the focusing objective lens, the fluorescence signals are transmitted by the dichroic beam splitter, the fluorescence signals are focused onto a pinhole array plate through the focusing lens after filtered by a filtering plate, and light signals are converted into electric signals through a detector to be further processed.
Owner:BEIJING INFORMATION SCI & TECH UNIV
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