14 results about "Critical signal" patented technology

This invention provides a method, system, and medium for crosstalk suppression and timing optimization in high-frequency circuits. A sensor array is deployed along the critical signal path to simultaneously acquire high-frequency crosstalk spectrum and timing eye diagram parameters, generating a crosstalk intensity matrix (CIM) and a timing margin heatmap (TMM) to achieve multi-dimensional quantitative characterization of signal integrity. Based on the CIM, the main interference source is located, and the impedance of the affected line is dynamically adjusted and a reverse compensation current is injected to cancel high-frequency crosstalk at its source. The margin attenuation is predicted using a pre-trained model, and the clock phase of the affected line is fine-tuned to compensate for timing deviations. The optimized efficiency index per unit energy consumption after compensation is calculated, triggering a dynamic update or re-compensation mechanism for the strategy library. This invention achieves dynamic synergy between crosstalk suppression and timing optimization based on a closed-loop architecture composed of monitoring data, neural network prediction, dual-loop compensation, energy efficiency verification, and strategy learning.

According to an embodiment, a method for debugging a low-power domain in a multi-power domain device is disclosed. The method includes mapping a critical signal of the low-power domain to a latch circuit of a register bank; capturing, by the latch circuit, transitions of the critical signal in registers of the register bank; observing, by a core circuit in a switchable power domain of the multi-power domain device, registers of the register bank; and determining a fault corresponding to the critical signal based on a value of the registers of the register bank.

The invention relates to the technical field of geological engineering, in particular to a dangerous rock mass stability evaluation result verification method based on historical data comparison, which comprises the following steps: acquiring dangerous rock mass frequency and mechanical monitoring data, dividing stable and critical working conditions, constructing a steady state and critical state offset difference surface and an energy gravity center coupling difference surface, and verifying a dangerous rock mass stability evaluation result. And the seismic oscillation triggering frequency and the instability frequency are analyzed to form load triggering comparison information, the fracture expansion rate and the displacement variation are calculated, the stage state is quantified, and stage joint verification data are output. Through frequency slope identification, mechanical parameter offset description, frequency domain energy and gravity center direction coupling, load triggering and instability proportion offset, and crack and displacement joint quantification, continuous determination of a stage state is realized, critical signal identification sensitivity is improved, multi-source evidence consistency is enhanced, objectivity and reverifiability of result verification are optimized, and the method is suitable for popularization and application. Empirical dependence is reduced, and stability evaluation and observation response are in close correspondence.

This invention relates to the field of rail transit operation safety technology, specifically to a collaborative control and monitoring system and method for adjustable cam-driven motors. It addresses problems in existing technologies such as the inability to adjust the trigger sequence of microswitches, reliance on transmission inertia to trigger signal switches (leading to signal loss when inertia is insufficient), the inability to prioritize critical signals, the limitation of reliability due to all auxiliary signals being triggered only after motor power failure, incomplete monitoring functions, and inadequate motor protection. Furthermore, it provides data support for a real-time equipment status perception and early warning system and a full lifecycle management system for intelligent operation and maintenance platforms in rail transit power supply systems. This improves power supply system reliability, reduces power outage risks, optimizes operation and maintenance costs, extends equipment lifespan, and provides a solid guarantee for safe power supply operation.

The invention discloses a method, a system, equipment and a medium for recording important signal behaviors through a module bind, and relates to the technical field of verification, the method comprises the following steps: creating a module file for monitoring, and setting an input port of the module file according to a signal needing to be monitored; processing the signal of the input port according to a preset protocol, and identifying a time point corresponding to an effective operation in the signal; setting an intermediate variable, setting the intermediate variable to be in a first state when effective operation is recognized, and setting the intermediate variable to be in a second state after the effective operation is completed; recording related information of the effective operation into the created log file; and bind the module file with the set input port to a specified DUT internal interface, and correspondingly connecting the input port with a signal to be monitored. According to the invention, key signals can be debugged and debugged and monitored through waveforms; and meanwhile, the method is independent of the UVM and is simple to use.

The application discloses a heart apex integrated ECG body temperature and respiration mechanical sensing and alarming device, which comprises a flexible and fitted base suitable for the physiological arc of the fifth rib heart apex and the middle line of the left clavicle, a heart apex mechanical heart rate pulsation sensing component integrated in the center of the base, a thoracic mechanical respiration fluctuation sensing component in the peripheral area and a body temperature detection module in the inner side, and a built-in data processing and wireless transmission module and a local sound and light alarm; the device is pasted on the heart apex, pure mechanical top pressure elastic sheets and telescopic sensing strips are adopted to synchronously collect the body surface heart rate, the respiration frequency and the body temperature, the data is directly transmitted to the nurse mobile nursing PDA in real time, the local sound and light alarm and the PDA end pop-up window vibration alarm are simultaneously triggered when the heart rate is zero or the respiration stops, 24-hour continuous monitoring and on-the-spot immediate response of the critical signal are realized.

This application, in the field of chip development, provides a method and apparatus for reducing the number of signal logic levels. The method includes: determining critical signals and target signal points; determining logic modules based on the critical signals and target signal points; replicating the logic modules to obtain multiple logic modules, the number of which is determined according to the bit width of the critical signals; determining the input signals of each logic module; inserting a multiplexer between the output terminals of the multiple logic modules and the target signal points, and connecting the critical signals to the selection terminals of the multiplexers. This application, by replicating logic modules with multiple logic levels as a whole and connecting them through multiplexers, effectively reduces the number of logic levels in the critical path, reduces the risk of RTL code modification iterations and verification, accelerates front-end and back-end iterations and timing convergence, and effectively increases the design frequency.

The invention relates to the technical field of nuclear power engineering, in particular to a method and a system for setting a standby power supply system of a nuclear power station, and the method comprises the following steps: setting at least two physically isolated standby power supply sequences, each sequence is provided with at least one gas turbine generator set, a corresponding medium-voltage cabinet, a set control cabinet and a plurality of protection and logic system (PLS) cabinets; the distributed control system of the main control room is respectively connected with the PLS cabinets in the two sequences through Ethernet communication links; and a dual signal interface of a hard wiring link and a Modbus communication link is arranged between the unit control cabinet and the PLS cabinet in each sequence. The method comprises the following steps: constructing two entity isolated redundant sequences, and transmitting safety key signals by adopting high-reliability hard wiring to ensure the certainty and regulation conformity; a communication network is adopted for a large number of state monitoring signals, and comprehensive monitoring is achieved. Through the hierarchical interface strategy, seamless integration of the new power supply and the power plant safety system is realized.

This utility model relates to the technical field of circuit boards, and more particularly to a flexible circuit board that is easy to bend. It includes an electromagnetic shielding film composed of a conductive metal layer and a nano-carbon coating; a flexible reinforcing layer partially disposed beneath the electromagnetic shielding film, covering the critical signal line area of ​​the signal transmission layer; a third adhesive layer located between the electromagnetic shielding film and the flexible reinforcing layer; a first insulating layer made of a modified polyimide material with a low dielectric constant; a first adhesive layer bonding the first insulating layer to the signal transmission layer; and a signal transmission layer formed by etching rolled copper foil to create impedance matching lines. Through the combination of a locally flexible reinforcing layer and an LCP dielectric layer, high-frequency insertion loss is reduced by more than 40%, making it particularly suitable for 5G millimeter-wave communication. The localized design of the polyimide flexible reinforcing layer ensures an overall bending radius ≤1mm, while simultaneously increasing the fatigue strength of critical areas by 30%. No impedance linewidth adjustment is required; a tolerance of ±5μm can be achieved using conventional etching processes, improving yield by more than 15%.

The present application relates to the technical field of geological engineering, in particular to a dangerous rock mass stability evaluation result verification method based on historical data comparison, comprising the following steps: obtaining dangerous rock mass frequency and mechanical monitoring data, dividing stable and critical working conditions, constructing stable and critical state offset difference surface and energy barycenter coupling difference surface, analyzing seismic motion trigger frequency and instability frequency to form load trigger comparison information, calculating crack propagation rate and displacement variation and quantifying stage state, and outputting stage joint verification data, in the present application, through frequency slope identification, mechanical parameter offset depiction, frequency energy and barycenter direction coupling, load trigger and instability proportion offset, crack and displacement joint quantification, continuous determination of stage state is realized, critical signal identification sensitivity is improved, multi-source evidence consistency is enhanced, objectivity and reproducibility of result verification are optimized, experience dependence is reduced, and stability evaluation and observation response are closely corresponded.

The medical imaging device of this disclosure includes a detector control unit for controlling the operation of the detector, a detector including a first transceiver at a predetermined position, a source assembly including a second transceiver and a 3D camera on the front, and a main control unit for controlling the operation of the medical imaging device. When the intensity of the signal from the first transceiver received by the second transceiver is greater than a predetermined critical signal intensity, the main control unit activates the medical imaging device, acquires a 3D camera image of at least one of the subject and the detector based on the 3D camera, displays the radiation irradiation area in the 3D camera image based on the state information of the source assembly, displays the area of ​​the detector in the 3D camera image, outputs a message guiding the user to align the irradiation area and the area of ​​the detector, and when the area of ​​the detector and the irradiation area match, transmits a radiation irradiation preparation signal to the first transceiver using the second transceiver.

This invention relates to a method, system, and storage medium for processor clock tree deskewing and timing optimization. The method for processor clock tree deskewing and timing optimization, through joint timing and topology analysis, automatic candidate copy object identification, and topology-aware logical copying and connection reconstruction, can effectively reduce the fan-out delay of critical signals and achieve clock tree load balancing and deskewing without modifying the RTL code during the back-end design process. At the same time, iterative optimization ensures timing convergence and logical equivalence, thereby improving the efficiency of processor physical design.

Techniques, apparatuses, and systems for secure multi-rail control for sparsely encoded signals are disclosed. Integrated circuits (ICs) may transmit various signals to manage interactions between circuit components of the IC. These critical signals are common targets for malicious attacks because, when altered, they can cause the IC to perform differently than is intended, and in some cases, bypass security measures. While various strategies may be used to protect against these attacks, modern circuit synthesis tools may optimize away these security measures, leaving the IC vulnerable to manipulation. In contrast, the secure multi-rail control for sparsely encoded signals described herein utilizes multiple rails to transmit sparsely encoded critical signals. Each rail may be controlled by a separate finite state machine (FSM) to reduce vulnerabilities that may arise due to circuit synthesis, provide an adjustable solution that may be leveraged differently based on implementation, and provide comportability to different ICs.

According to an embodiment, a method for debugging a low-power domain in a multi-power domain device is disclosed. The method includes mapping a critical signal of the low-power domain to a latch circuit of a register bank; capturing, by the latch circuit, transitions of the critical signal in registers of the register bank; observing, by a core circuit in a switchable power domain of the multi-power domain device, registers of the register bank; and determining a fault corresponding to the critical signal based on a value of the registers of the register bank.