1029 results about "Coupling system" patented technology

The disclosure provides a method and system for trajectory tracking control of a vehicle-manipulator coupling system with finite time prescribed performance. Specifically, the trajectory tracking error of the vehicle-manipulator coupling system is obtained. A finite time performance function is designed to constrain the trajectory tracking error. In a case the constraint conditions corresponding to the finite time performance function are satisfied, the trajectory tracking error is converted to obtain a transformed error. The sliding mode surface is designed based on the transformed error to control the transformed error to converge in a finite time, and the external disturbance of the vehicle-manipulator coupling system is observed based on non-linear disturbance observer. The control input of the vehicle-manipulator coupling system is designed based on the sliding mode surface and the non-linear disturbance observer output. This ensures that the vehicle-manipulator coupling system can be controlled to operate precisely along the desired trajectory.

The disclosure provides a method and system for trajectory tracking control of a vehicle-manipulator coupling system with finite time prescribed performance. Specifically, a coupling weaken trajectory planning method is designed to reduce the system's coupling effects. A finite time performance function is designed to constrain the trajectory tracking error. In a case the constraint conditions corresponding to the finite time performance function are satisfied, the trajectory tracking error is converted to obtain a transformed error. The sliding mode surface is designed based on the transformed error to control the transformed error to converge in a finite time, and the external disturbance of the vehicle-manipulator coupling system is observed based on non-linear disturbance observer. The control input of the vehicle-manipulator coupling system is designed based on the sliding mode surface and the non-linear disturbance observer output. This ensures that the vehicle-manipulator coupling system can operate precisely along the desired trajectory.

Described herein are various coupling systems to be used with storage units that are selectively coupled and decoupled. The coupling systems may be used with storage units that are stackable and / or transportable, thus allowing the storage units to function well within a large stationary environment, such as a basement, and also for a subset of the storage units to be selected and easily moved to another location.

A coupling system for safety headwear is provided. Various embodiments of safety headwear accessories, such as a brim guard, are adjustable to couple to various configurations of safety headwear. The brim guard includes a mechanism to detachably couple accessories, such as a face shield, to the safety headwear.

The invention relates to the technical field of industrial waste heat recovery optimization, in particular to an industrial circulating cooling water waste heat multi-source coupling system based on data driving, and the system comprises a waste heat collection unit, a data processing unit and an intelligent coupling regulation and control unit. After the data processing unit preprocesses data, high, medium and low temperature layers are divided according to temperature, a clustering algorithm is combined to subdivide a calorific value sub-layer, a dynamic characteristic file containing a parameter change curve, fluctuation amplitude and duration is established, the intelligent coupling regulation and control unit compares the file with pre-stored user heat demand characteristics, the matching degree is calculated preferentially according to the temperature contact ratio, and the matching degree is calculated preferentially. A single or multi-source cooperative coupling path is generated, target thermal parameters are synthesized through thermal capacity weighting in a multi-source mode, the supply and demand matching precision and the utilization efficiency of waste heat are improved, diversified energy consumption requirements of industrial scenes are met, and energy conservation and emission reduction are facilitated.

The invention provides a solid-state laser radar and IMU (Inertial Measurement Unit) robust tight coupling system under the assistance of point cloud intensity, which comprises the following steps of: firstly, pre-processing a solid-state laser radar point cloud by the system, eliminating point cloud defect points, correcting a point cloud intensity value and performing down-sampling; and then geometric feature extraction and intensity feature extraction are carried out on the preprocessed point cloud, and intensity calibration of the laser radar point cloud is carried out. And then compensating the motion of the point cloud by using the high-frequency prior information predicted by the IMU. For geometric and intensity feature point clouds, a classical registration method and a fast plane fitting method are respectively adopted to calculate residual errors, and an intensity feature assisted point cloud residual error measurement model is constructed. And a robust strategy based on an IGGIII robust weight function is designed by using a residual error estimation value in a filtering algorithm. According to the invention, on the premise of keeping relatively low calculation cost, the positioning and mapping capabilities and robustness of the small-view-angle laser radar tight coupling system in a complex environment are improved.

The invention discloses an optimized scheduling method and system for an electricity-hydrogen coupling system, and electronic equipment. The method comprises the following steps: acquiring a system structure of the electricity-hydrogen coupling system; based on a coupling relationship among energy storage equipment, a generator set, hydrogen production equipment and a power grid in a system structure, constructing a first scheduling model comprising a cost function and constraint conditions, the constraint conditions at least comprise operation constraints among the hydrogen production equipment, energy storage equipment constraints, power grid energy interaction constraints and generator set operation constraints under different working conditions; obtaining day-ahead generator set output data and load demand data of the electricity-hydrogen coupling system, and performing optimization solution on the first scheduling model based on the day-ahead generator set output data and the load demand data to obtain a first scheduling strategy of the electricity-hydrogen coupling system; and performing day-ahead optimization scheduling on the electricity-hydrogen coupling system based on the first scheduling strategy. Through the method, the stability and reliability of the system can be improved.

Described herein are various coupling systems to be used with storage units that are selectively coupled and decoupled. The coupling systems may be used with storage units that are stackable and / or transportable, thus allowing the storage units to function well within a large stationary environment, such as a basement, and also for a subset of the storage units to be selected and easily moved to another location.

The invention relates to the technical field of power systems, and particularly discloses a multi-energy coupling system optimal scheduling method considering grid-connected safety, and the method comprises the steps: constructing a multi-energy coupling system architecture model; the multi-energy coupling system architecture model comprises a renewable energy power generation unit, a traditional energy power generation unit, an energy storage unit, an energy conversion unit and a combined cooling heating and power generation unit; constructing a distributed energy storage optimization operation model based on the multi-energy coupling system architecture model; the constraint conditions comprise charging and discharging constraint, charge state constraint and peak clipping constraint of battery energy storage; carrying out output constraint on the energy conversion equipment; electric vehicle charging station operation constraint; new energy power generation constraint; power balance constraint; public network line transmission power constraint; constraining transmission power of an internal distribution network line; and solving the distributed energy storage optimization operation model by adopting an optimization algorithm to obtain an optimization scheduling scheme. The method has the advantage that scientific and reliable technical support is provided for efficient operation of the multi-energy coupling system.

The embodiment of the invention relates to the technical field of simulation, in particular to an electro-hydrogen chemical coupling system planning design verification method and platform, and the method comprises the steps: building an electro-hydrogen chemical coupling system model, setting configuration parameters and a planning target for the coupling system model, and determining and executing a target planning algorithm according to the planning target to obtain a planning result, determining simulation parameters for the coupling system model according to the indication of the planning result; operating the coupling system model according to the simulation parameters to perform production simulation to obtain a corresponding production simulation result and simulation data of a plurality of equipment simulation models in the coupling system model in the simulation process; optimizing the simulation parameters according to the simulation data to obtain optimized simulation parameters, and operating the coupling system model again according to the optimized simulation parameters to perform production simulation to obtain an optimized production simulation result; and comparing the production simulation result with the optimized production simulation result, and selecting a target planning result. According to the scheme, energy conservation and consumption reduction can be realized, and the system operation stability is enhanced.

The invention discloses a multi-dimensional environment coupling aging test box and a self-adaptive control method thereof.The multi-dimensional environment coupling aging test box comprises a box body, a multi-dimensional environment coupling system and a self-adaptive control system.The box body is internally provided with a test cavity, the multi-dimensional environment coupling system is arranged in the test cavity, and the self-adaptive control system is arranged in the test cavity; and the multi-dimensional environment coupling system is connected with the adaptive control system. A multi-physics coupling environment is constructed by integrating four environment simulation modules of temperature and humidity, illumination, vibration and gas. The sensor group acquires environmental parameters (temperature and humidity, irradiance, acceleration and gas concentration) and state data of a test object in real time, and transmits the environmental parameters and the state data to the data processing unit. Based on a multi-physics field coupling model (such as finite element analysis or an empirical formula), the contribution degree of each environmental factor to material aging is calculated, a dynamic control instruction is generated, output parameters of each module are synchronously adjusted through an execution mechanism, and closed-loop control over environmental conditions is achieved.

The invention provides a laser follow-up device and method based on an adaptive coupling system, and the method comprises the steps: observing a plurality of target points and laser drop points through a telescope system, comparing the light intensity changes of the target points and the laser drop points, and judging whether the laser drop points are located at the corresponding target points or not; the coarse tracking system adopts a coarse tracking algorithm to scan a target and tracks the target according to a scanning result, so that the target is located in the center of a field of view; the fine tracking system adopts a fine tracking algorithm to detect target information and adjusts a target tracking angle according to the target information; the optical fiber coupling system adopts an optical fiber coupling algorithm to carry out self-adaptive adjustment on multiple beams of laser, so that a laser drop point corresponds to a target point, and an aiming angle is obtained; and the control system is used for performing data transmission, driving transmission and motor control, and controlling the laser to perform same-light-path reverse laser emission according to the aiming angle. According to the invention, high-precision tracking of a plurality of moving targets can be synchronously realized, and the remote laser energy transfer efficiency is greatly improved.

The invention relates to the technical field of semiconductor detection, and discloses a digital detection system and method for a wafer ultrasonic field, and the method comprises the steps: configuring an acoustic topological insulator coupling system, and constructing a non-scattering sound wave transmission channel; a heterogeneous metasurface sound field regulation and control system is constructed, and depth dimension information is obtained; applying an acoustic holographic compensation algorithm to eliminate imaging distortion of the bending area, and outputting compensated sound field distribution; executing a phase recovery and annular reconstruction algorithm to realize high-quality three-dimensional imaging of the marginal region; a self-adaptive coupling adjustment system is realized, and the characteristics of a coupling material are automatically adjusted according to the edge reflection signal quality monitored in real time; the non-scattering sound wave transmission channel is constructed through the acoustic topological insulator coupling system, the problem of serious sound wave scattering in the edge area is effectively solved, the detection sensitivity of the wafer edge area is improved, the defect omission ratio is reduced compared with a traditional method, and the wafer detection integrity is improved.

Container (100) with valve for storing, dispensing and transporting aircraft fuel additives, which allows speeding up and simplifying the mixing and refueling process, through numerous smart functions and an innovative valve system (40). The invention uses recyclable materials, reduces the mixing action time and / or the need to mix large quantities of liquids, guarantees the safety of things and people in the work area and is easily transportable due to its ergonomic and compact shape. The device comprises a body (10) capable of resisting impacts; a hermetic sealing system (12) to protect the contents; a coupling system (16); a sensor or a level gauge (17) connected, possibly where the working environment allows it, to an alarm system (14), suitable to warn the operator of the exhaustion of the additive by means of a luminous LED signal.

The invention discloses a bridge flutter control method, device and equipment and a storage medium, and relates to the technical field of bridge wind engineering.The method comprises the steps that a kinetic equation of a bridge-tuned mass damper-nonlinear flutter coupling system is established for two-freedom-degree vertical and torsional coupling nonlinear flutter of a target bridge; the tuned mass dampers are symmetrically arranged on the two sides of the section of the target bridge girder; under the target wind speed, by calculating the time domain response of the kinetic equation, with the principle that the steady-state amplitude value of the target bridge girder is minimum, parameter optimization is conducted on the tuned mass damper, and optimized parameters are obtained; and designing the tuned mass damper based on the optimized parameters, and performing nonlinear flutter control on the target bridge through the obtained tuned mass damper. Therefore, under the nonlinear flutter control target, the coupling effect of the wind, the bridge and the tuned mass damper is considered, better tuned mass damper parameters are designed, and the method can be applied to actual engineering.

The present disclosure relates to the technical field of new energy power generation, and provides an operation control method for an electric-hydrogen coupling system, and an electric-hydrogen coupling system. According to the present disclosure, prediction related parameters corresponding to power station power and power station power instruction related parameters are acquired, and in order to achieve optimal economic efficiency while meeting grid power exchange limitation requirements, a power station power adjustment instruction and an electrolytic cell power adjustment instruction corresponding to each moment are acquired.

The invention discloses an electricity-hydrogen-ammonia coupling system configuration method and system, and relates to the technical field of electricity-hydrogen-ammonia coupling systems, and the method comprises the steps: sequentially carrying out two-stage clustering according to renewable energy source daily output data, electrothermal hydrogen daily load data and daily net energy, and generating a typical daily scene and a clustering index; performing electric hydrogen ammonia energy storage collaborative simulation operation on all the typical day scenes, and reconstructing a year-round energy storage state based on a clustering index according to the variation of the hydrogen storage amount and the ammonia storage amount after simulation operation of each typical day scene; and taking the minimum annual total cost formed by the simulation operation cost, the capacity configuration cost and the hydrogen safety risk cost as an optimization target to obtain an optimal equipment capacity configuration scheme. While the calculation cost is reduced and the solving efficiency is improved, the time sequence connection characteristic and the energy storage characteristic of different long-time energy storage are kept, and multi-time-scale energy transfer is realized, so that the applicability and the economical efficiency of a planning scheme are improved.

The invention discloses a bidirectional intelligent cooperative operation method for a dynamic reconfigurable battery system and an interconnected energy storage converter, and aims at a coupling system for the operation of the dynamic reconfigurable battery system and the energy storage converter to refine the working state of the coupling system. The method is divided into six working conditions: 'two-way optimal ', 'module optimal', 'module optimal ', power limit entering', 'power optimal ', 'power optimal', module limit entering 'and'two-way limit entering'. Compared with a traditional control method in which the dynamic reconfigurable battery system and the energy storage converter are treated as two independent operating individuals, the method has the advantages that the working state of the dynamic reconfigurable battery system is considered, and the output power range of the dynamic reconfigurable battery system is calculated according to the topological structure of the dynamic reconfigurable battery system; meanwhile, the actual power requirement of the energy storage converter is considered, and corresponding dynamic reconfigurable battery system reconfiguration strategies and coupling system operation strategies are provided according to different working states. The dynamic reconfigurable battery system and the energy storage converter realize interactive regulation and coordinated operation, and the two parts of the coupling system are regarded as a whole.

A system for coupling of units on a substantially rectangular load carrier with four columns arranged in its corners. The system comprises: a unit in the form of a column with a rectangular profile with four side faces; a unit in the form of an anchoring piece (3) with a substantially rectangular cross section with four side faces. The anchoring piece (3) is to be arranged on a corner of the load carrier. The anchoring piece (3) and the column (2) are mutually adapted, so that the column (2) and the anchoring piece (3) can be inserted in a mutually sliding engagement along their longitudinal axes. The anchoring piece (3) and the column comprise side faces with locking parts in the form of at least one cam (4, 5) or an opening (7, 8) complementary thereto, executed in a side face on the column (2) and a side face on the anchoring piece (3), respectively, which opening (7, 8) and cam (4, 5) have mutually adapted locations, so that the opening (7, 8) and cam (4, 5) engage, when the column (2) and the anchoring piece (3) are inserted into each other.

The invention discloses a multi-energy coupling-containing optimal scheduling method, which comprises the following steps: S1, system modeling and basic data preparation: establishing models of renewable energy sources, energy coupling equipment and energy storage equipment, collecting and processing basic data, modeling a multi-energy coupling system, and obtaining a multi-energy coupling system model; comprising the links of production, transmission, conversion, consumption and the like of various energy sources, and the model can accurately reflect the dynamic characteristics and constraint conditions of the system; and S2, load prediction and demand analysis. According to the optimal scheduling method containing multi-energy coupling, complementarity and collaboration among different energy sources can be fully considered, and collaborative utilization of various energy sources is realized through an optimal scheduling strategy, so that energy waste can be reduced, and the overall utilization efficiency of the energy sources can be improved, for example, in an electric power, natural gas and thermal power integrated energy system, the optimal scheduling method has a wide application prospect. By coordinating the operation of the subsystems, the energy utilization efficiency can be maximized on the premise of meeting the requirements.

The invention discloses an asymmetric coupling rigidity disturbance type MEMS modal localization accelerometer and a detection method. The accelerometer comprises an upper signal conversion layer and a lower glass substrate layer. The upper signal conversion layer comprises a sensitive mass block, a supporting structure and asymmetrical coupled resonator pairs which are symmetrically distributed. According to the asymmetric coupling resonator pair, a first type resonator and a second type resonator form a weak coupling system through electrostatic coupling, the first type resonator is fixed to a glass substrate layer through anchor points, the second type resonator is fixed to a sensitive mass block, and the first type resonator and the second type resonator meet the mass and rigidity asymmetric relation. When being subjected to the acceleration effect, the sensitive mass block generates micro displacement, changes the static coupling rigidity and triggers the modal localization effect, so that the amplitude ratio of the two resonators is changed, and acceleration measurement is realized by detecting the amplitude ratio change. By adopting the asymmetric structure, the sensitivity of the accelerometer is doubled compared with that of a symmetric structure, and meanwhile, the accelerometer has good linearity and anti-interference capability.

A clamping device includes a zero-point clamping system, which can be actuated by a working medium; a machine vice, which can be coupled to the system; and a gripping and positioning device for transporting and positioning the machine vice on the zero-point clamping system. The zero-point clamping system contains at least one coupling element and the gripping and positioning device contains a docking device having at least one docking element, which can be coupled to the coupling element, for supplying the working medium to the system. To facilitate coupling, the at least one coupling element of the system is offset parallel to a receiving opening for a clamping element on the machine vice, and the at least one docking element is positioned in such a way that it is coupled to the coupling element by retraction of the clamping element located on the machine vice into the receiving opening.

The invention provides an intelligent algorithm optimization gate adaptive steady-state adjustment method, and relates to the field of water conservancy projects. The intelligent algorithm optimization gate self-adaptive steady-state adjustment method comprises gate adjustment system model building, gate feedback adjustment algorithm definition, complex system transfer function fitting, MATLAB / Simulink simulation verification analysis and one-dimensional hydraulic model verification, and specifically comprises the steps of firstly building a gate self-adaptive steady-state adjustment model, defining a gate feedback adjustment algorithm, and performing one-dimensional hydraulic model verification; considering that a gate adjusting system is a large-time-delay and strong-coupling system, fitting is conducted on a transfer function according to actually-measured water level and flow data, then an IPSO-Fuzzy PID control model is established according to the principle and characteristics of an IPSO optimization algorithm, three simulation models of PID control, Fuzzy PID control and PSO-Fuzzy PID control are established based on MATLAB / Simulink, and a simulation model is established for verifying the self-adaptability of the optimization model. Step signals are applied to simulate external interference, simulation comparison is carried out, the built model is utilized, actual measurement data are input, and optimal control over the gate self-adaptive steady-state adjusting system through an intelligent algorithm is achieved.

The invention relates to a thermal power generating unit and pressure-bearing heat storage coupling system and an operation method.The system comprises a unit subsystem and a heat storage and supply subsystem, the heat storage and supply subsystem comprises a heat storage loop, a heat storage tank, a flash evaporation steam supply loop and a heat exchange hot water supply loop, and the heat storage loop comprises a steam-water heat exchanger, a first mixing heat exchanger and a first booster pump; a steam inlet of the steam-water heat exchanger communicates with the cold re-extraction branch pipe and the hot re-extraction branch pipe, and a high-pressure water inlet and a drainage outlet of the steam-water heat exchanger communicate with a high-pressure water outlet and a drainage inlet of the first mixing heat exchanger correspondingly. A heat storage water outlet and a heat storage water inlet of the heat storage tank communicate with a high-pressure water inlet of the first mixing heat exchanger and a high-pressure water outlet of the steam-water heat exchanger correspondingly, and the flash evaporation steam supply loop and the heat exchange hot water supply loop are used for load rising peak shaving and frequency modulation. The variable load rate of the unit is improved, and frequency modulation of the unit is achieved; and the peak regulation capacity of the unit is improved, and ultra-wide load peak regulation of the unit is achieved.

A method of coupling a pressure pad system to an article that includes disposing a pad body of the pressure pad system on the article, the pressure pad system including first and second ends and first and second peripheral sides, the pressure pad system comprising: a plurality of end coupling tabs extending from one or both of the first and second ends, a plurality of peripheral coupling tabs coupled to the first and second peripheral sides, and a plurality of coupling straps. The method further includes coupling the pressure pad system to the article including wrapping at least two of the plurality of coupling straps around a portion of the article.

The invention provides a ship accompanying wireless charging anti-offset magnetic coupling system, and belongs to the technical field of ship-to-ship wireless charging. The system comprises a wireless charging transmitting end arranged on a power supply ship and a wireless charging receiving end arranged on a power receiving ship. The transmitting end comprises an axisymmetric transmitting end fixing structure, and a transmitting end magnetic core and a transmitting end coil which are sequentially arranged on the side, close to the receiving end, of the transmitting end fixing structure; the receiving end comprises an axisymmetric receiving end fixing structure, and a receiving end magnetic core and a receiving end coil which are sequentially arranged on the side, close to the transmitting end, of the receiving end fixing structure; the receiving end and the transmitting end have the same shape; the transmitting end coil and the transmitting end magnetic core are symmetrically distributed on two sides of the symmetry axis, and the receiving end coil and the receiving end magnetic core are symmetrically distributed on two sides of the symmetry axis. When the ship relatively moves left and right, the distance variables on the two sides of the transmitting end coil and the receiving end coil are the same, the mutual inductance variables on the two sides are the same, and the stability of the energy transmission efficiency in the ship-to-ship charging process is maintained.

Described herein are various coupling systems to be used with storage units that are selectively coupled and decoupled. The coupling systems may be used with storage units that are stackable and / or transportable, thus allowing the storage units to function well within a large stationary environment, such as a basement, and also for a subset of the storage units to be selected and easily moved to another location.

The invention discloses an ice region ship shock absorber matching optimization method based on NSGA-III, which comprises the following steps: establishing a motor-silicone oil shock absorber-shafting-propeller coupling system kinetic model, calculating transient torsional vibration response under ice load impact by adopting a Newmark-beta method, and constructing a multi-target optimization model by taking the outer diameter, thickness, side clearance and top clearance of a shock absorber as design variables; an initial population is generated in combination with Latin hypercube sampling, and an optimal parameter combination is obtained after iterative optimization is conducted through an NSGA-III algorithm; experimental data show that the torsional vibration stresses of the motor shaft, the 1 # intermediate shaft, the 2 # intermediate shaft and the propeller shaft of the optimized shock absorber at the rated rotating speed are respectively reduced by 18.0%, 11.1%, 11.8% and 17.7%, and the effectiveness of the method is verified.

The invention discloses a water turbine guide vane shaft-top cover rub-impact coupling system vibration characteristic analysis method which comprises the following steps: S1, establishing a reduction dynamic model of a guide vane shaft-top cover rub-impact coupling system by adopting a finite element method in combination with a fixed interface modal synthesis method; s2, analyzing an influence rule of a modal truncation number, a friction coefficient and a water flow surface load on first three orders of prestress modal characteristics of the guide vane shaft-top cover rub-impact coupling system based on a reduction kinetic model; s3, analyzing an influence rule of a near load end contact state, a near-far load end contact state and a friction coefficient on vibration response and spectral characteristics of the guide vane shaft-top cover rub-impact coupling system when the reduction kinetic model is subjected to harmonic excitation; and S4, evaluating whether the mixed-flow water turbine operates stably and safely based on the steps. By analyzing the vibration characteristics of the guide vane shaft-top cover rub-impact coupling system of the mixed-flow water turbine, the structural health state and fault of the mixed-flow water turbine are monitored and diagnosed.