71results about How to "Easy to implement modularity" patented technology

Interconnection bus including longitudinal interconnection bus and transverse interconnection bus interconnected through reconfigurable switch network are setup between reconfigurable processing units arranged in array. Reconfigurable processing units are connected to each other longitudinally through basic unit data lines, which are connected to transverse interconnection bus through reconfigurable switch network. In transverse adjacent reconfigurable processing units at same stage of pipeline, their adders, shifters, accumulators, and register are connected through interconnection lines containing control switch. Reconfigurable processing unit itself of using COROIC algorithm possesses high reconfigurability, providing features of realizing wide used DSP algorithms, simple structure and rules, easy of modularized. Thus, the reconfigurable processing unit is suitable for being as core unit in reconfigurable chip.

The invention provides an integrated flexible rotating joint which comprises a shell and a joint main body located in the shell. The integrated flexible rotating joint is characterized in that the joint main body comprises a plurality of circuit boards; a plurality of mounting planes are formed on the inner circumference of the shell; the circuit boards are respectively mounted on the mounting planes. In the integrated flexible rotating joint, the circuit boards are arranged on the inner circumference of the shell, and the space in the shell is smartly utilized, so that the whole joint structure is very compact, the modularization is easily realized, and the assembling and disassembling are convenient.

The invention provides a chained static synchronous compensator with an active power adjusting capacity. The chained static synchronous compensator with the active power adjusting capacity comprises three phases of cascading chain links, connection reactors and breakers. Each phase of the cascading chain link comprises n cascading units which are connected in series at the alternating current side. One ends of the three phases of the cascading units are connected to form a neutral point of the static synchronous compensator, and the other ends of the three phases of the cascading units are connected into a three-phase grid through the corresponding connection reactors and the corresponding breakers. The invention further provides a corresponding cascading unit. An STATCOM and a BESS are combined, the capacity of controlling active power and reactive power at the same time is achieved, grid connection of medium voltage and high voltage is achieved in a manner of cascading multiple cascading units, a power switch device which is low in voltage resistance is used for achieving energy conversion of high voltage levels, modularization and redundancy design are easy to achieve, the function of balancing a battery is achieved, meanwhile, a bidirectional DC/DC converter is introduced at the direct current side, and ensuring the cycle life of the battery is facilitated.

The invention discloses an output voltage sampling method and system for a flyback converter based on primary feedback. Through voltage information of an auxiliary winding, the output voltage feedback quantity of the current period is adjusted according to the output voltage feedback quantity of a previous switching period of the flyback converter and the voltage information of the auxiliary winding of the current switching period, and thus the output voltage can be accurately sampled. The sampled output voltage feedback quantity is used for generating a switching signal for controlling a switching tube to work, and thus constant-voltage output of the flyback converter can be achieved. An additional sampling hold circuit is not needed, modularization and integration are easy to achieve, and sampling cost is reduced.

The invention discloses a low-grade heat energy driven electrode liquid self-circulating hydrogen production method, and belongs to the technical field of new energy. Low-grade heat energy serves as driving force, and continuous hydrogen production is achieved through the concentration change of a working solution. The low-grade heat energy driven electrode liquid self-circulating hydrogen production method comprises the steps: firstly, the low-grade heat energy is converted into chemical potential energy of the working solution through a low-temperature multi-effect distillation method; thenthe chemical potential energy is converted into the potential difference between two electrodes of a cell stack based on the reverse electrodialysis principle; and then hydrogen and oxygen are produced through a reduction reaction or an oxidation reaction occurring on the hydrogen production electrode and the oxygen production electrode in the same electrode liquid. The waste solution losing partof the chemical potential energy is recycled after flowing out from the cell stack, and then regenerated under driving of the low-grade heat energy; the electrode liquid is self-circulated between a hydrogen production electrode liquid cavity and an oxygen production electrode liquid cavity in the two ends of the cell stack; the low-grade heat energy can be continuously, efficiently and steadily converted to be utilized; a hydrogen production system does not need to operate at the high temperature and high pressure, mechanical moving parts are few, and capacity configuration is flexible; and the single-type electrode liquid is adopted and is in an electrolyte closed cycle, and long-time operation can be achieved only by supplying deionized water.

The invention belongs to the technical field of hybrid robot processing, and particularly relates to a novel five-degree-of-freedom hybrid mechanism with a reconfigurable adjustment device. The novelfive-degree-of-freedom hybrid mechanism comprises the reconfigurable adjustment device, five PUS driving movement branch chains of the same structure, an intermediate PRPU driven movement branch chainand a movable platform. The reconfigurable adjustment device comprises five PRR driving movement branch chains of the same structure and an intermediate platform. The reconfigurable property of the novel five-degree-of-freedom hybrid mechanism is achieved mainly through the structural inclination angle of the reconfigurable adjustment device; the tail-end movable platform can achieve three-dimensional movement and two-dimensional rotation mainly by connecting the PUS driving movement branch chains and the intermediate PRPU driven movement branch chain with the intermediate platform and the movable platform,, and the overall hybrid mechanism has a large movement stroke along the Z axis. The hybrid mechanism integrates the advantages of a series-connection mechanism and a parallel-connection mechanism, has the advantages of large working space, high rigidity, good structural symmetry, high motion flexibility, high carrying capacity and the like, and is suitable for machining large-sizedand complex structural assemblies in the fields of aerospace, ships, military industries and the like.

The invention discloses a control method of modular fully-bridge grid-connected inverters capable of parallel operation, belonging to the control field of inverters. A control circuit of the method comprises a control part and a modulation part. The closed-loop regulation is respectively carried out on currents of two output filtering inductors behind the full-bridge grid-connected inverters, fundamental wave components of currents of a live wire and a zero wire which are connected in parallel at the output side of each inverter are equal to ensure that no current coupling relationship exists among the inverters, thereby enabling the full-bridge grid-connected inverters to work in parallel by sharing a direct current bus. The full-bridge grid-connected inverters controlled by the invention is easy to modularize, omits a power frequency isolation transformer at the output end of each inverter, reduces the volume and the weight of an integral machine, saves the system cost, and is especially suitable for application of a photovoltaic grid-connected generating system.

The invention discloses a multifunctional mixed power electronic transformer based on an MMC (multimedia card) matrix converter and a control method. The power electronic transformer comprises a powertransformer and an MMC matrix converter, a primary winding of the power electronic transformer is connected with a power grid, a secondary winding is connected with an input end of the MMC matrix converter in a star manner, an output end of the MMC matrix converter penetrates an LC filter and is connected with an isolation transformer, one end of the isolation transformer is connected with the secondary winding, and the other end of the isolation transformer is connected with a load. According to the transformer, the electric energy conversion efficiency of the power electronic transformer isimproved, compactness of the transformer is improved, the MMC matrix converter in transformer topology is based on a modular multilevel structure, so that the transformer is applied to high-voltage high-power occasions, voltage compensation can be achieved when the power grid is faulted, the electric energy quality of the power grid is improved, arm paths of a matrix converter structure are relatively independent, and flexibility of control strategies is improved.

The invention provides a closed-loop regulated high-precision super-audio pulse power supply, which comprises a main circuit, a super-audio pulse current amplitude regulating circuit, a super-audio pulse current frequency and duty ratio closed-loop regulating circuit, a touch screen man-machine interaction circuit and a coupling circuit. According to the invention, high-precision output of the pulse current frequency and the duty ratio of the super-audio frequency (greater than or equal to 20kHz) is realized through a closed-loop regulation method. A contactor is connected to the output end ofa base value direct-current power supply in parallel, the connection is simple, the operation is convenient, and a higher current change rate can be realized. Because of the adoption of an external parallel coupling mode, the super-audio pulse power supply is easy to realize modularization, and can realize external parallel coupling with any type of plasma spraying direct-current power supply. Bycollecting the base value direct current output by the base value direct-current power supply, automatic coupling and control of the super-audio frequency pulse current in plasma spraying can be realized.

The invention discloses a fault-tolerant linear motor capable of reducing and saving a permanent-magnet material, belonging to the technical field of motor manufacturing. The fault-tolerant linear motor capable of reducing and saving a permanent-magnet material comprises a primary stage and a secondary stage, wherein the secondary stage is in a projecting pole structure having equal tooth width; an air gap is formed between the primary stage and the secondary stage; the primary stage comprises armature teeth of a projecting pole structure and fault-tolerant teeth of a projecting pole structure; the armature teeth and the fault-tolerant teeth are alternately arranged in a staggered mode; each armature tooth is wound with a concentrated winding; a permanent magnet is adhered to the end part of each armature tooth; the width of the permanent magnet is half of the tooth width of the armature tooth; and the magnetizing directions of the permanent magnets on all the armature teeth are the same and are parallel to the central axis of each armature tooth. According to the invention, the problem of serious magnetic leakage of the traditional flux reversal linear motor is solved to some extent, the utilization ratio of the permanent magnet is improved, and the manufacturing cost of the motor is indirectly reduced; and meanwhile, the flux reversal linear motor is endued with high fault-tolerant property, and thus, the fault-tolerant linear motor has favorable application prospect in wheel-rail transportation having high reliability requirement.

The provided arbitrary-travel high-precise direct driver comprises: based on bionic motion principle, applying piezoelectric ceramic as basic motion executive element, high-tension high-toughness mono-strand or multi-strand ring rope as output element, lateral/vertical shrinking unit as drive element. Wherein, the control precision can achieve up to 50nm, output force up to 50-100N or more. This invention has wide application, special to anthropomorphic robotic.

The invention relates to the field of fluorescence detection, and discloses a fluorescence detection optical system. The fluorescence detection optical system comprises an objective table, a light path module and an adjusting mechanism, the objective table is used for placing a sample to be detected, and the objective table is provided with a detection channel; the light path module is used for exciting and detecting a fluorescence signal of a to-be-detected sample, a detection light path is arranged in the light path module, and the detection light path is communicated with the detection channel; the adjusting mechanism comprises a first adjusting assembly and a second adjusting assembly, the first adjusting assembly is used for adjusting the to-be-detected sample to be aligned with the detection channel, and the second adjusting assembly is used for adjusting the to-be-detected sample to coincide with the focus point of the detection light path. The fluorescence detection optical system provided by the invention is simple, convenient and accurate in sample position calibration, simple in optical path structure, reasonable and compact in optical path layout, and easy to realize miniaturization and modularization.

The invention relates to a heat management system of a vehicle power battery. The heat management system comprises a compressor set, a four-way reversing valve, a condenser fan, an external heat exchanger, a battery heat exchanger and a battery cell unit, wherein the external heat exchanger and the battery heat exchanger are connected through a pipeline and are connected with the compressor set and a flash evaporation intermediate cooling unit through the four-way reversing valve, the compressor set comprises two compressors, the flash evaporation intermediate cooling unit is connected betweenthe two compressors; the two compressors form a series or parallel structure by controlling the on-off of each switching valve on the connecting pipeline, under the refrigeration working condition, the parallel mode is adopted, the cooling effect of the battery is enhanced, under the working condition of the heat pump, a series operation mode is adopted, the double-stage compression is achieved,so that the heating efficiency of the battery is remarkably improved under the low-temperature condition. The system has the characteristic that the battery is subjected to heat management independently of the vehicle, the technical bottleneck of rapid reduction of output of the power battery under the low-temperature condition in winter is solved, and meanwhile, the system development is easy tomodularize and standardize.

The invention discloses a Brayton cycle system modeling method based on nonlinear programming. The Brayton cycle system modeling method comprises the five steps of boundary condition determination, process division, parameter explicitation, local programming and overall programming. In local programming, three losses of a hot end, a cold end and a heat regeneration end are expressed as ab objective function, and a non-derivative local optimal algorithm is adopted so as to achieve a high convergence speed; and in overall programming, the flow deviation of the heat end, the cold end and the heat regeneration end represents the objective function, and a heuristic global optimization algorithm is adopted so as to find a global optimal solution as much as possible. According to the method, the global optimal solution of the hot efficiency and the losses can be found through one-time calculation through overall programming outer iteration and local programming inner iteration, equation closure discussing, initial value debugging and heuristic algorithm debugging are avoided, the solving difficulty is reduced, and multi-configuration and multi-variable synchronous optimization is achieved.