27 results about "Field shaping" patented technology

The present disclosure is directed to stellarators or assemblies including a stellarator including removable and / or replaceable components, such as removable field shaping units and / or removable shaping coils. In some embodiments, the stellarators of the present disclosure include a toroidal sector, which includes one or more removable field shaping units.

Embodiments provided herein include systems and methods for location-based field shaping. One embodiment of a system includes a materials handling vehicle and a computing device that are configured to receive location data via at least one of the plurality of transceiver anchors, receive sensor data from at least one sensor related to the characteristic of operation of the materials handling vehicle, and determine a first location of the materials handling vehicle in the covered environment. Some embodiments may be configured to determine a vector of movement of the materials handling vehicle, determine a shaped detection field for the materials handling vehicle from the vector of movement, and detect an object that encroaches on the shaped detection field. Some embodiments may be configured to send information to the materials handling vehicle to alter operation of the materials handling vehicle to reduce a likelihood of collision with the object.

Disclosed herein is a stellarator comprising two sets of coils, namely a set of encircling coils which encircle the plasma axis, and a set of shaping coils which do not encircle any other coil or the plasma. In some embodiments, the encircling coils include a structural element to maintain their shape under magnetic forces. In some embodiments, the shaping coils are mounted onto one or more structural elements which, together with the shaping coils, constitute a field shaping unit. Also disclosed is a controller which may modify the electrical current flowing in one or more subsets of the coils in order to achieve target plasma parameters. Also disclosed is a method of designing a set of shaping coils by discretizing a surface dipole or current potential distribution.

A high-voltage generator device is provided comprising an electric field shaper for shaping an electric field, in particular for a high-voltage generator. The electric field shaper comprising at least one field shaping unit which has a field shaping element. The field shaping element comprises a non-conductive body, in particular a plastic body, and an electrically conductive coating that is arranged on the non-conductive body.

The invention provides a pulse laser-assisted nondestructive transfer method for a fine structure of a flexible substrate. The method comprises the following steps: firstly, preparing the fine structure to be transferred on a hard substrate; then, the binding force between the to-be-transferred structure and the flexible substrate is adjusted through interface modification; then irradiating the hard substrate-to-be-transferred fine structure interface by using pulse laser subjected to spatial light field shaping, and mildly weakening the binding force between the to-be-transferred structure and the hard substrate under the condition that the to-be-transferred structure is not damaged by ablation or decomposition; and finally, the flexible film is uncovered, and the to-be-transferred structure in the irradiated area is transferred to the flexible film without damage. According to the method, a complex technological process in a wet transfer method and a sacrificial layer transfer method is avoided, no obvious thermal, mechanical or chemical damage is caused to the structure, the structures such as a multi-layer composite film and an ultrathin film with a large width-to-thickness ratio can be selectively transferred to a flexible film in one step with high technological flexibility, and the transfer efficiency and the material adaptability are effectively improved.

A charged particle inspection system may include a shielding plate having an aperture or more than one aperture, for example, to permit additional inspection by an additional instrument requiring a line of sight to the area of interest. A field shaping element, such as a window element or a raised rim, is placed at the aperture to prevent or reduce a component of an electric field.

The application discloses a self-leveling air gap equalization and multi-cavity stable voltage ultra-low disturbance air cavity system and a control method, and belongs to the field of aircraft control and ground simulation. The system comprises an outer shaft air floating sleeve, an inner shaft movement sleeve, a lifting device, a surrounding air gap monitoring device, a distributed air pressure sensor array and an air path control board card; an automatic air gap pressure difference elimination is realized by adopting a surrounding communication air path, and a partitioned air supply and a feedforward pressure field shaping are matched, and a constant air cavity volume is maintained by the synchronous lifting device to weaken the hysteresis effect. The control method relies on a neural network offline training to build a compensation model, and realizes closed loop stable voltage and disturbance suppression by adopting a feedforward neural backstepping control. The application can effectively improve the precision, stability and dynamic response of vertical microgravity simulation, and solves the multi-source disturbance problem caused by air gap loss, air supply and exhaust coupling and hysteresis feedback of a traditional pneumatic compensation system.

The invention discloses an ultrafast laser efficient patterning photoetching system and method. The ultrafast laser efficient patterning photoetching system comprises an ultrafast laser, a laser adjusting assembly, a space light field shaping device and a machining platform. The ultrafast laser is suitable for emitting ultrafast laser beams; the laser adjusting assembly is suitable for adjusting parameters of the ultrafast laser beam; the spatial light field shaping device is suitable for adjusting the ultrafast laser beam into a specific shape; the processing platform is suitable for bearing a to-be-processed sample; the ultrafast laser beam, the laser adjusting assembly and the spatial light field shaping device are arranged along the propagation direction of the ultrafast laser beam; and the shaped ultrafast laser beam is irradiated on a sample to be processed to carry out photoetching processing. According to the method, a high-precision micro-nano pattern structure is obtained on the photoresist sample through single-time in-situ exposure processing, the accuracy and the consistency of the processed pattern are good, and the processing efficiency is high.

A fully programmable laser field shaping apparatus that can configure a beam of laser pulses in both shape and time to generate laser pulses with varying spatio-temporal profiles for adaptive nonlinear optical propagation. The laser field shaping scheme in accordance with the present invention, Adaptive Spatio-Temporal Optical Pulse Shaper (A-STOPS), utilizes dispersive elements and a programmable spatial varying optical element (e.g. deformable mirror, spatial light modulator, etc.) to impose spatial variations on each frequency component of a laser pulse. Each frequency component maps directly to a temporal slice within a chirped laser pulse. The result is the ability to generate complex spatio-temporal variation on a laser pulse with wide ranging applications in linear and nonlinear optics.

To provide a farm field work machine capable of specifying a place where work materials are to be replenished easily and capable of performing pulling-over traveling for pulling over a travelling vehicle body to a levee easily.SOLUTION: A farm field work machine includes: a satellite positioning unit capable of setting a specific side consisting of contour sides of a farm field as a material replenishing side for an agricultural material to be consumed, and capable of detecting a travelling machine body using a navigation satellite; a work device capable of performing work for the farm field; and a farm field shape calculation unit capable of calculating a farm field shape on the basis of a travelling track of the travelling machine body acquired by the detection over time of the position of the travelling machine body while the travelling machine body is travelling around. A work travelling control unit is capable of performing pulling-over travelling for pulling over the travelling machine body to a levee for replenishing the agricultural material from a starting end or a terminal region of a turning route, in which replenishing automatic travelling control for pulling over the traveling machine body to the material replenishing side or remote operation travelling control for pulling over the traveling machine body to the material replenishing side by a manual operation through an operation of a remote operation tool is executed.SELECTED DRAWING: Figure 4

The application provides a kind of laser equipment, laser equipment includes first waveguide, second waveguide group and laser, second waveguide group includes third waveguide and fourth waveguide respectively arranged in the two sides of first waveguide;Laser includes: first ridge structure and second ridge structure;First ridge structure is excited to emit laser by applying driving current to first ridge structure, and the excitation mode of laser is single lobe far field base transverse mode;First ridge structure is excited to emit laser by applying excitation to first ridge structure and second ridge structure, and the excitation mode of laser is double lobe far field single high order mode.In this way, the laser can be switched between single lobe far field base transverse mode and double lobe far field single high order mode by changing driving current, so as to control the far field shape of laser, quickly switch single lobe far field and double lobe far field, which can ensure high power output of laser and narrow linewidth characteristics of laser.

A method may include receiving, using a processing unit, a request to calculate an estimated duration of an agricultural job, the request including an agricultural job identifier, issuing, using the processing unit, a data retrieval command using the agricultural job identifier, receiving field characteristics associated with a field, the field characteristics including a field shape value and an area of the field, encoding, using the processing unit, the field characteristics into a data structure configured to be input into a job duration machine learning model, executing, using the processing unit, the job duration machine learning model using the data structure, after executing the job duration machine learning model, accessing an output of the job duration machine learning model, the output associated with the estimated duration of the agricultural job, and transmitting, using the processing unit, the estimated duration and the job identifier to an agricultural job scheduling system.

This invention discloses a self-leveling air gap equalization and multi-cavity pressure-stabilized ultra-low disturbance air cavity system and control method, belonging to the field of aircraft control and ground simulation. The system includes an outer axis air-bearing sleeve, an inner axis moving sleeve, a lifting device, a surrounding air gap monitoring device, a distributed air pressure sensor array, and an air path control board. A surrounding interconnected air path is used to automatically eliminate air gap pressure difference. Combined with zoned air supply and feedforward pressure field shaping, a synchronous lifting device maintains a constant air cavity volume to reduce hysteresis effects. The control method relies on offline training of a neural network to construct a compensation model and uses feedforward neural backstepping control to achieve closed-loop pressure stabilization and disturbance suppression. This invention can effectively improve the accuracy, stability, and dynamic response of vertical microgravity simulation, solving the multi-source disturbance problems caused by air gap imbalance, supply and exhaust coupling, and hysteresis feedback in traditional aerodynamic compensation systems.

A feedback system that identifies characteristics of an object and utilizes the characteristics to initiate and adjust a field applied to the object is provided. The system includes an array of array phase elements made of metamaterials that allow precise shaping of the field to be applied to a particular portion of an object based on characteristics of the object, including location and thickness of the object. Sensors are utilized during supercooling to monitor a condition of the object being supercooled. Specifically, characteristics of the object are measured at different points, areas, or volumes on the object and the measurements are used to determine whether supercooling (or another desired result) is being achieved or whether the object is starting to freeze. Based on the measurements, parameters of the field can be adjusted to ensure supercooling of the object without freezing.

The present disclosure relates to a star imitator or an assembly comprising a star imitator that includes a removable and / or replaceable component, such as a removable field shaping unit and / or a removable shaping coil. In some embodiments, the star imitator of the present disclosure includes a toroidal sector, the toroidal sector including one or more removable field shaping units.

A localizer system is disclosed. The localizer system can be incorporated into a navigation system for tracking a tracking device. Generally, the localizer can include an array of transmit coils and a field shaping assembly.

This utility model relates to an antenna ring for a microwave plasma deposition apparatus, comprising a ring body located between a resonant waveguide cavity and a reaction chamber, and an annular mounting bracket and a pressure ring that mate with an aluminum ring. The ring body is a conductive and corrosion-resistant metal structure, with its circumferentially continuous mesh satisfying the following: mesh diameter 0.5–6 mm (preferably 1–5 mm), aperture ratio 40%–80%, wire diameter 0.05–1.0 mm (preferably 0.1–0.8 mm), and mesh shape circular or polygonal. The ring body is held between the annular mounting bracket and the aluminum ring by the pressure ring and electrically connected to the cavity; a solid metal reflective strip (a hole-free area, 3–20 mm wide) is provided on the outer edge of the ring to enhance microwave reflection and field shaping; the axial distance between the ring and the quartz isolation plate is 2–20 mm. This structure achieves multi-point microwave radiation, uniform reflection, and Faraday shielding, and is easy to disassemble, maintain, and reliably grounded, making it suitable for large-area thin-film deposition equipment with substrates ≥8 inches.

Disclosed herein is a stellarator comprising two sets of coils, namely a set of encircling coils which encircle the plasma axis, and a set of shaping coils which do not encircle any other coil or the plasma. In some embodiments, the encircling coils include a structural element to maintain their shape under magnetic forces. In some embodiments, the shaping coils are mounted onto one or more structural elements which, together with the shaping coils, constitute a field shaping unit. Also disclosed is a controller which may modify the electrical current flowing in one or more subsets of the coils in order to achieve target plasma parameters. Also disclosed is a method of designing a set of shaping coils by discretizing a surface dipole or current potential distribution.

The invention discloses a coupling packaging method based on a laser direct-writing three-dimensional optical chip, and the method achieves the coupling packaging of a first device and a second device through the laser direct-writing three-dimensional optical chip, the first device is a planar waveguide, and the second device is an optical fiber system. Or both the first device and the second device are optical fiber systems, and the method comprises the following steps: selecting a sample, determining mode field shapes, sizes and refractive index distribution of to-be-butted end surfaces of the first device and the second device, and testing a damage threshold value of the sample; determining the size, structure and track arrangement of a waveguide in the three-dimensional optical chip according to the mode field shape, size and refractive index distribution of the to-be-butted end surfaces of the first device and the second device; the sample is cleaned, the cleaned sample is fixed and leveled, and a laser direct writing light path is calibrated; the femtosecond laser directly writes the three-dimensional optical chip; the three-dimensional optical chip is polished; and carrying out coupling packaging on the three-dimensional optical chip, the first device and the second device.

The application discloses a multi-state natural fishway system and a running method thereof, and the system comprises a multi-state flow field shaping module, a fish school tracking module, a fish passing evaluation module and a control module; wherein the multi-state flow field shaping module is used for creating a flow field meeting the upstream migration demands of various fishes; the fish school tracking module is used for shooting and tracking the motion track of the fish school in the upstream migration process; the fish passing evaluation module is used for evaluating the preferred upstream migration track and the rest area of the fishes; and the control module regulates the multi-state flow field shaping module to finally meet the common and special hydraulic demands of the upstream migration of different fishes.

High-voltage connectors and cathode assemblies for x-ray tubes are disclosed. A cathode assembly for an x-ray tube can include a high-voltage shield surrounding a cathode structure and a ceramic plate. The ceramic plate can include a central recess to receive the cathode structure and a vacuum side defining a V-shaped profile radially extending from the central recess, the central recess being defined by a first ridge of the V-shaped profile. The cathode assembly can be configured to limit an electric field at a shortest distance between the vacuum side and the high-voltage shield to 13 MV / m.

The invention relates to the technical field of port environmental protection equipment, and discloses a negative pressure dust removal system for a bulk cargo port hopper, which comprises an acoustic sensor array used for collecting dust cloud acoustic signals in real time; the matrix air suction array is composed of a plurality of Helmholtz resonance units, and the air suction flux of each unit can be independently adjusted through acoustic excitation; a wide-range variable-frequency negative-pressure power subsystem; and a dust suppression decision central processor. A three-dimensional space coordinate and a material category of dust cloud are solved in real time by analyzing an acoustic array signal, a flow field shaping strategy is generated by a processor and is converted into an independent control instruction for each unit in a matrix air suction array, only an air suction unit directly facing or adjacent to the dust cloud is activated, and meanwhile, other units are inhibited. The dust source is accurately captured, the dust removal efficiency is remarkably improved, the total energy consumption of the system is greatly reduced, and the intelligent and energy-saving benefits are extremely high.

Embodiments provided herein include systems and methods for location-based field shaping. One embodiment of a system includes a materials handling vehicle and a computing device that are configured to receive location data via at least one of the plurality of transceiver anchors, receive sensor data from at least one sensor related to the characteristic of operation of the materials handling vehicle, and determine a first location of the materials handling vehicle in the covered environment. Some embodiments may be configured to determine a vector of movement of the materials handling vehicle, determine a shaped detection field for the materials handling vehicle from the vector of movement, and detect an object that encroaches on the shaped detection field. Some embodiments may be configured to send information to the materials handling vehicle to alter operation of the materials handling vehicle to reduce a likelihood of collision with the object.

The present application relates to the technical field of power electronic and energy storage system control, especially to a WIPI wireless power dynamic balancing method for energy storage system grid connection, comprising the following steps: constructing a fractional order digital twin model to predict the state of charge and temperature rise of the module; based on the prediction results, using a three-layer GraphSAGE and a twenty-qubit variational quantum optimizer to obtain a demand matrix and a loss matrix respectively, and fusing them into a power coupling target according to a preset weight; thresholding the target to generate a 32x32 magneto-acoustic super-pixel image, completing magnetic field shaping at the microsecond level, and simultaneously driving a GaN inverter to output matching phase and frequency; collecting power flow and temperature data through a high-precision analog-to-digital converter, and using an entropy regularization Sinkhorn algorithm to iteratively correct the power transport matrix and update the pixels in real time; finally, writing the feedback hash into a consortium chain storage to complete the millisecond-level trusted traceability. The present application realizes fast, accurate and traceable balancing of wireless energy of the energy storage module.

The present disclosure is directed to stellarators or assemblies including a stellarator including removable and / or replaceable components, such as removable field shaping units and / or removable shaping coils. In some embodiments, the stellarators of the present disclosure include a toroidal sector, which includes one or more removable field shaping units.

The invention provides laser equipment, which comprises a first waveguide, a second waveguide group and a laser, and is characterized in that the second waveguide group comprises a third waveguide and a fourth waveguide which are respectively arranged at two sides of the first waveguide; the laser includes: a first ridge structure and a second ridge structure; driving current is applied to the first ridge structure, a first ridge strip of the first ridge structure generates lasing, and the lasing mode of the laser is a fundamental transverse mode of a single-lobe far field; excitation is applied to the first ridge structure and the second ridge structure, the second ridge strip of the first ridge structure generates lasing, and the lasing mode of the laser is a single high-order mode of a bivalve far field. In the mode, the laser can be switched between a fundamental transverse mode of a single-lobe far field and a single high-order mode of a double-lobe far field by changing the driving current, so that the far field shape of the laser is regulated and controlled, the single-lobe far field and the double-lobe far field are quickly switched, the high-power output of the laser can be ensured, and the high-power output of the laser can be ensured. And the narrow linewidth characteristic of the laser is ensured.

To provide a field working machine capable of traveling so as not to damage a field as much as possible, capable of easily specifying a place for supplying a working material, and capable of easily moving a traveling vehicle body to a ridge.SOLUTION: A work travel control unit configured to control an automatic work travel for performing an automatic back-and-forth travel while performing a ground work in a field work machine configured to supply an agricultural material to a field as the ground work by repeating the automatic back-and-forth travel along a target travel route including a work travel route and a turning route, A satellite positioning unit capable of detecting a position of a traveling vehicle body using a navigation satellite, and a work device capable of performing work on a field, wherein a field shape can be calculated based on a traveling trajectory of the traveling vehicle body acquired by detecting the position of the traveling vehicle body over time while the traveling vehicle body is traveling along a part or all of an outer periphery of the field.SELECTED DRAWING: Figure 4