22 results about "Channel coupling" patented technology

A device includes a multiple communication lanes including a first portion of lanes and a second portion of lanes, and control logic coupled to the communication lanes. The control logic is to receive an indication that a first lane of the first portion of lanes is damaged, determine a first index of the first lane of the first portion of lanes, determine a second index of a second lane of the second portion of lanes responsive to the indication that the first lane of the first portion of lanes is damaged, convert a first lane mapping of the plurality of communication lanes to a second lane mapping of the communication lanes based on the first index and the second index, and cause first communication data to be transmitted via the communication lanes based on the second lane mapping.

This invention relates to the field of automatic control, and more particularly to a calibration method for the image axis and gyroscope axis of an optoelectronic platform. The method includes: mounting an optoelectronic seeker on a three-dimensional turntable and establishing target tracking; controlling the roll, pitch, and yaw channels of the three-dimensional turntable to perform sinusoidal motion at specific frequencies, simultaneously recording the line-of-sight angular velocity data output by the seeker; calculating the influence factor of each mechanical axis motion on the image axis through spectral analysis of the angular velocity data; finally, constructing a compensation matrix using the influence factor to correct the original gyroscope feedback angular velocity, and using the corrected angular velocity for servo control. This invention abandons the traditional method relying on high-precision machining and optical equipment calibration, achieving high-precision calibration through purely electrical and algorithmic means. It effectively eliminates line-of-sight angular velocity errors and channel coupling caused by axis non-parallelism, significantly improving system performance while greatly reducing cost and assembly complexity.

Provided is a multi-channel actuator for driving a low-side device. The actuator includes a controller that receives a first command for driving a low-side device and outputs data representative of the first command. The actuator includes a driving circuit having a plurality of detection and driving stages. The plurality of detection and driving stages are operative to be coupled to a plurality of channels of the low-side device, respectively. The driving circuit receives the data representative of the first command and causes a detection and driving stage of the plurality of detection and driving stages to drive a respective channel of the low-side device in accordance with the first command.

The application discloses a DNA molecule manipulation chip based on electric field and bending micro-channel coupling driving, which comprises a glass substrate and a structure layer, the structure layer is arranged on the glass substrate, at least one group of micro-fluid systems are arranged in the structure layer, two ends of the micro-fluid system are respectively communicated with a liquid inlet hole and a liquid outlet hole, the liquid inlet hole and the liquid outlet hole are vertically arranged through the structure layer, electrodes are respectively inserted into the liquid inlet hole and the liquid outlet hole, and the electrodes are used for applying direct current voltage to generate a spatial non-uniform electric field; a control method applied to the chip comprises the following steps: chip pretreatment, application of driving electric field, DNA molecule acceleration and polarization, DNA molecule positive dielectrophoresis focusing and migration; the application realizes high-efficiency mechanical-free focusing of the DNA molecules, and greatly improves the precision of subsequent optical detection and separation.

Examples relate to a receiver termination detection circuit for wireline datalinks. A transmitter circuit includes positive and negative output nodes coupled through a channel to a receiver. A detection circuit comprises programmable pull-up and pull-down resistors coupled to the output nodes, and voltage comparators with independent reference voltage inputs. A mode selection input selects between single-ended and differential detection modes. Control logic drives the output nodes concurrently in single-ended mode and differentially in differential mode. The comparator outputs are sampled after a programmable time delay to detect receiver termination. The circuit supports both AC-coupled single-ended and DC-coupled differential termination detection while maintaining common-mode voltage during transitions to normal operation.

A connection arrangement device for making a secure connection with at least one tube in a fluid line includes at least one adapter body having a passage bore with at least two outlets, and a mating block which is formed with at least one component and also has at least one channel receiving the adapter body. The adapter body includes a retention feature formed outside the adapter body and the mating block includes a mating feature formed inside the channel. Further, the retention feature of the adapter body is configured to interact with the mating feature of the mating block when the adapter body is coupled to the channel of the mating block such that the adapter body is securely retained within the channel of the mating block.

A method and apparatus for predicting the remaining lifespan of supercapacitors are disclosed. This method predicts the remaining lifespan of supercapacitors by extracting time-series recording curves from the early charge-discharge cycles, addressing the prediction lag caused by the long-term data accumulation required by traditional methods. The method and apparatus implement functions such as sliding window segmentation, data normalization, distance matrix construction, and data size adjustment for supercapacitor time-series data. It supports converting three identical or different time-series data into image features. By inputting these image features into a convolutional neural network, the advantages of convolutional neural networks in feature extraction are fully utilized to deeply mine local temporal correlations and multi-channel coupling features in the images, improving the prediction accuracy of the remaining lifespan of supercapacitors. This enables early, rapid, and high-precision prediction of the remaining lifespan of supercapacitors, providing support for the selection and optimized control of energy storage systems.

The application relates to a photoelectric guidance aircraft carrier landing guiding method adopting a double-channel coupling mode, which provides a kind of infrared thermal imager and laser range finder of photoelectric guiding system to measure the pitch azimuth and distance information of an aircraft and calculate the vertical and lateral approximate deviation signals; at the same time, inertial differential mixing, integration and combination of the pitch yaw angle rate of the aircraft are adopted to obtain a pitch azimuth comprehensive signal, a self-adaptive rule is designed to compensate and estimate the direct interference of the pitch and azimuth channels, a linear control signal of the pitch azimuth is constructed, and aiming at the coupling between the double channels, a self-adaptive method is adopted to design a pitch azimuth hinge interference compensation signal, and the hinge comprehensive feedback information of the pitch azimuth is fused, so that the photoelectric guidance of the aircraft to a carrier is realized. The scheme has the advantages of high compensation precision and good stability for the aircraft carrier landing with serious coupling between the pitch and yaw channels.

The application relates to the technical field of electromagnetic compatibility test, and discloses a multi-channel surge automatic test system and a test method thereof, the system comprising a control host, a surge signal generator and a multi-channel coupling decoupling network, the three being networked through Ethernet communication; the control host is integrated with an automatic test software module and an embedded control system module, realizes man-machine interaction, test sequence arrangement, instruction analysis and cooperative control; the surge signal generator receives instructions and accurately generates a surge pulse signal conforming to a standard, supports synchronous phase triggering; the multi-channel coupling decoupling network realizes automatic multi-configuration switching of test channels through a loop switching system composed of solid-state switch units. The application realizes full-process automation of surge test, eliminates human operation errors, eliminates high-voltage operation safety hazards, greatly improves test efficiency and result reliability, and has good scalability and adapts to complex test requirements.

This disclosure relates to a layout optimization method for a three-magnet rotary magnetic drive system, addressing the common problems of multi-degree-of-freedom magnetic drive systems that rely on multiple magnets to collaboratively generate magnetic fields for drive, including complex structures, prominent coupling between degrees of freedom, significant magnetic field crosstalk, poor output isotropy, and low space utilization. This solution systematically and multi-objectively optimizes the spatial position parameters and rotation axis pointing parameters of the three permanent magnets. Without increasing unnecessary structural complexity, it improves the minimum singular value of the control matrix, enhancing the system's effective controllability and operational stability in three-dimensional space. Simultaneously, it improves the directional uniformity of the magnetic field output and suppresses channel coupling and crosstalk, resulting in more balanced, predictable, and stable magnetic field vector control within the target area. This leads to a high-performance rotary magnetic field generator suitable for integration into the end effector of a robotic arm.

The application discloses a flight control actuator performance testing device capable of simulating a real service environment, comprising: a test bench, wherein a test channel one and a test channel two are arranged on the test bench; an actuator loading testing mechanism one, which is arranged in the test channel one and is used for realizing force position simulation, variable stiffness simulation and inertia simulation of the actuator; an actuator loading testing mechanism two, which is arranged in the test channel one and is used for realizing force position simulation, stiffness simulation and inertia simulation of the actuator; the actuator loading testing mechanism one and the actuator loading testing mechanism two are separated or combined through a clutch, when the two are separated, single-channel loading testing and double-channel synchronous loading testing can be realized, and when the two are combined, double-channel coupled loading testing can be realized. The device solves the industry problem that the traditional ground testing is mismatched with the real flight working condition, and provides a reliable means for performance verification, fault reproduction, algorithm optimization and airworthiness certification of the flight control actuator system.

The present disclosure provides a kind of quantum key distribution protection optical device, quantum communication system and communication method.The optical device includes: first optical channel, the first port of first optical channel is used to input signal photon;Resonant cavity, resonant cavity is resonated with photon, to couple signal photon from first optical channel to second optical channel;Second optical channel, the signal photon of resonant cavity coupling output is output from the first port of second optical channel;Wherein, in the case where detection photon is output at the second port of second optical channel or the second port of first optical channel, it is determined whether there is attacker to the first port of second optical channel input injection photon.

This invention relates to a robot controller and its collaborative control system based on multi-welding machine protocol adaptation, specifically in the field of welding machine robot control technology. The system includes: a protocol performance evaluation unit, which calculates protocol feature fusion coefficients based on parameter mapping distortion, protocol state activity, protocol response hysteresis, and channel coupling interference; a process matching control unit, which calculates process motion matching degree by combining the protocol feature fusion coefficients, welding speed, and protocol response hysteresis, for dynamically adjusting welding and motion parameters; and a global collaborative adjustment unit, which calculates collaborative control gain based on the geometric mean of process motion matching degree of multiple welding machines, average protocol state activity, maximum channel coupling interference, and maximum process motion matching degree, for dynamically evaluating weights, adjusting control timing, and achieving multi-machine command synchronization and trajectory compensation. This invention achieves graded matching of welding machines, precise control of thermal input, and global adaptive collaboration of the system by quantifying protocol conversion performance.

The embodiment of the present application provides an automatic coupling device and an automatic coupling method, relates to the technical field of optical communication, and is used for reducing manual operation procedures of devices with optical channels in a coupling packaging process and improving the problem of low production efficiency. The automatic coupling device comprises a first object table, a second object table, a first camera and a control device. The first object table is used for carrying a first coupling device with a first optical channel and the pose of the first coupling device is adjustable. The second object table is used for carrying a second coupling device with a second optical channel. The first camera is used for photographing the top of the first coupling device and the second coupling device, and the focusing position is adjustable in the photographing direction. The control device is configured to adjust the pose of the first object table according to the image photographed by the first camera, so that the first coupling device moves to a position where the first optical channel is coupled and aligned with the second optical channel. The device can be used for automatic coupling of the first coupling device and the second coupling device.

This invention discloses a gallium oxide device with a gradient gate dielectric structure and its fabrication method, relating to semiconductor technology, and proposes a solution to address the performance limitations of short-channel devices. A gradient dielectric layer and a gradient gate layer are deposited on a gallium oxide epitaxial layer. The gradient dielectric layer is used to control the electric field distribution under the gate and the gate-channel coupling capability. The dielectric constant of the gradient dielectric layer changes in a piecewise gradient, increasing from the side near the source layer towards the drain layer. The gradient gate layer is used to control the potential distribution on the channel surface. The work function of the gradient gate layer changes in a piecewise gradient, decreasing from the side near the source layer towards the drain layer. Its advantages lie in achieving coordinated control of the channel potential distribution and the electric field distribution under the gate. It can weaken the modulation effect of the drain voltage on the channel barrier, reduce the channel length modulation effect and output conductance, and improve the current saturation characteristics of the device; it reduces the peak electric field at the gate-drain edge and weakens the electric field concentration phenomenon, making it particularly suitable for devices with short-channel dimensions.

The coherent beam recombination system provides an output recombined beam and comprises: a laser source providing a source beam with linewidth; a beam broadener providing a broadened beam from the source beam; a splitter splitting the broadened beam into a plurality of secondary beams; a plurality of channels coupled to the splitter. Each channel receives a respective secondary beam and provides a respective intermediate beam. Each channel has an optical amplifier, a phase modulator, an optical delay line, and an opto-mechanical element. The CBC system further comprises an optical sensor that provides a detection signal indicative of an intensity of a received optical beam; a focusing optics that receives the intermediate beams, provides the output recombined beam from a first portion of each intermediate beam, and provides a sampled recombined beam to the optical sensor from a second portion of each intermediate beam. The CBC system further comprises a control unit coupled to the optical sensor and the plurality of channels. The control unit comprises a phase-locking module configured to: provide a plurality of phase control signals to the phase modulators; receive the detection signal from the optical sensor, indicative of an intensity of the sampled recombined beam; calculate a cost function from the detection signal, wherein the cost function is a function of the intensity of the sampled recombined beam; perform an optimization algorithm of the cost function, configured to maximise the intensity of the sample recombined beam; and provide a plurality of updated phase control signals, based on a result of the optimization algorithm.

This invention discloses a millimeter-wave front-end control method and system based on a phase-locked loop (PLL), relating to the fields of millimeter-wave communication and radio frequency integrated circuit technology. The method includes: generating a local oscillator signal at a target frequency using a PLL and inputting it to a millimeter-wave radio frequency front-end for signal transmission or reception processing to obtain a front-end output signal; sampling the front-end output signal to obtain a detection signal; comparing the detection signal with a preset desired signal to generate a comprehensive error signal; generating a PLL control quantity based on the comprehensive error signal by constructing a control coupling matrix and performing inverse mapping decoupling; dynamically adjusting the PLL and feeding back the adjusted PLL output signal to the PLL input module to form closed-loop control. This invention solves the problems of limited frequency division performance, insufficient phase detection accuracy, and slow convergence, poor stability, and insufficient anti-interference capability of the PLL caused by multi-control channel coupling in millimeter-wave scenarios.

The application provides a kind of integrated multi-channel delay compensation and coupling method and system of optical computing chip, and the relative delay measurement of input channel and reference channel of optical computing chip is carried out;The actual position of the port of optical computing chip and the geometric dimension information are obtained, and the photoresist refractive index of each channel is combined with the relative delay value and the photonic lead structure is designed;The optical computing chip and the optical fiber array are cleaned and fixed on the transparent substrate, then the photoresist is dropped to the interconnection area;The photonic lead structure is formed by using femtosecond laser to expose point by point inside the photonic lead design structure;Remove the unexposed photoresist, and drop the low refractive index matching liquid matched with the used photoresist refractive index to form the waveguide cladding, complete the integrated multi-channel delay compensation and coupling of optical computing chip.The application uses femtosecond laser to manufacture photonic lead structure, realizes highly compact, delay compensation and integrated multi-channel coupling interconnection.