9results about How to "Switch smart" patented technology

The invention discloses an optomagnetic hybrid navigation method applied to a mandible angle cutting operation, which comprises the following steps of: fixing an optical mark on an osteotomy tool, and configuring optical equipment for tracking; a six-degree-of-freedom miniature electromagnetic sensor is fixed on the mandible, and electromagnetic equipment is configured for tracking; comprising the following steps: constructing a three-dimensional European coordinate system; based on a homogeneous coordinate transformation matrix # imgabs0 # among different three-dimensional European-style coordinate systems, mapping a cutter pose psSS in a local coordinate system {SS} of the osteotomy cutter to a CT image space; updating the navigation interface in combination with an automatic hybrid navigation strategy based on a distance threshold and a time threshold; and performing accuracy evaluation until a navigation interface meeting a preset condition is output. According to the photomagnetic hybrid mandible angulation operation navigation method, through multi-modal fusion, automatic dynamic adjustment, accurate space registration and equipment calibration and a real-time feedback correction mechanism, the positioning precision, adaptability, consistency and reliability of an operation are remarkably improved.

The invention discloses a high-power LED lamp bead self-adaptive dimming method and system based on intelligent driving, and belongs to the technical field of illumination control, and the method comprises the steps: collecting a mode switching threshold value and factor data influencing the mode switching threshold value, and constructing a historical data set and a prediction model; periodically collecting and constructing a real-time data set; calculating according to the real-time data set to obtain a current state value; inputting the real-time data set into the prediction model to obtain a current switching threshold value; switching the current dimming mode according to the size relationship between the current state value and the current mode switching threshold value; and generating a corresponding control signal according to the current dimming mode, and sending the control signal to an LED driving circuit, thereby controlling an LED lamp bead. The mode switching threshold is predicted by adopting the neural network model, and the dimming mode is switched according to the size relationship between the current state value and the current mode switching threshold, so that the adaptive dimming of the high-power LED lamp bead can be realized, the dimming range and precision are improved, and the brightness is adaptively adjusted according to the environmental change.

The invention relates to the technical field of aviation, and discloses a multi-electric aircraft direct-current power supply high-voltage GCU dual-backup arbitration system which comprises a pulse loss detection module, an I / O state detection module, an arbitration control logic module and a redundancy switching circuit module. The pulse loss detection module is used for generating timing pulses by using a 555 timer and detecting whether pulse signals output by the 555 timer are continuous or not; the I / O state detection module is used for detecting the level state of an I / O port in real time and judging that the I / O port is in a low-level, high-level or high-resistance state; the arbitration control logic module is used for processing I / O port state data through a gate circuit and deciding to use the main microprocessor or the standby microprocessor. And the redundancy switching circuit module is used for automatically switching to the standby microprocessor according to the arbitration control logic when the main microprocessor breaks down. The method has the advantage of high reliability.

The invention discloses a photovoltaic charging pile construction wiring device, and belongs to the technical field of photovoltaic charging piles. A photovoltaic charging pile construction wiring device comprises a charging station and a plurality of supporting columns fixedly installed on the surface of the charging station, a shed is fixedly installed on the surfaces of the top ends of the supporting columns jointly, a plurality of photovoltaic panels are fixedly installed on the surface of the shed, a plurality of charging pile bodies are fixedly installed below the shed, and a shell is fixedly installed on the surface of one end of the charging station. And a first arc-shaped electric plate and a second arc-shaped electric plate are correspondingly and fixedly mounted in the shell. Compared with a traditional photovoltaic charging pile, the photovoltaic charging pile construction wiring device has the advantages that the charging pile body can be intelligently switched between the mains supply and the photovoltaic power storage, the influence of weather on the charging pile body is reduced, normal use of the charging pile body is guaranteed, the mains supply and the photovoltaic power storage are intelligently switched, manual intervention switching is not needed, intelligent operation switching is achieved, and the charging pile is convenient to use. Intelligent switching between commercial power and photovoltaic power storage is realized, operation is simple, and efficiency is high.

The application discloses a Bluetooth earphone dynamic teaming method and system based on Auracast protocol, and belongs to the technical field of wireless communication and audio processing. The method comprises the following steps: embedding a scene semantic label in a broadcast assistant signal by a broadcasting device; collecting self context information by a listening device, calculating a matching weight with each broadcast source through a recommendation decision engine, and realizing intelligent sorting, filtering or automatic joining of a broadcast group. The broadcasting device supports creating a dynamic hierarchical broadcast group with role permissions, time-limited access codes and multiple audio sub-streams. In the overlapping coverage area, the listening device triggers intelligent switching based on signal quality and context matching degree, and realizes seamless connection by using pre-synchronization technology. In addition, the system synchronizes group state information through an auxiliary channel to realize state visualization and interaction. The application upgrades Auracast broadcast from "manual, static and equal" to "automatic, dynamic and intelligent", greatly improving the convenience, management accuracy and immersion experience in the multi-user audio sharing scene.

The present invention relates to the field of aviation technology, and discloses a dual-backup arbitration system for a DC power supply high-voltage GCU of a multi-electric aircraft, including a pulse missing detection module, an I / O state detection module, an arbitration control logic module and a redundant switching circuit module; the pulse missing detection module is used to generate a timing pulse using a 555 timer, and detect whether the pulse signal output by the 555 timer is continuous; the I / O state detection module is used to detect the level state of the I / O port in real time, and judge whether it is a low level, a high level or a high impedance state; the arbitration control logic module is used to process the I / O port state data using a gate circuit, and decide to use a main microprocessor or a backup microprocessor; the redundant switching circuit module is used to automatically switch to the backup microprocessor when a main microprocessor fails according to the arbitration control logic. The present invention has the advantage of high reliability.

The utility model discloses a long-distance multi-channel off-line communication system, and relates to the technical field of communication. The system comprises a vital sign monitoring device, a LoRa base station supporting multi-channel communication, relay equipment and a server, the relay device is in communication connection with the LoRa base station, and the LoRa base station is in communication connection with the server; when the communication distance between the vital sign monitoring device and the LoRa base station is smaller than or equal to a set first upper limit distance, the vital sign monitoring device is in communication connection with the LoRa base station; and when the communication distance between the vital sign monitoring device and the LoRa base station is greater than a first upper limit distance, the vital sign monitoring device is in communication connection with the relay equipment. According to the utility model, a public network does not need to be connected, the safety of data transmission is improved, the real-time performance and the stability of vital sign data in a complex outdoor environment are also improved, and a powerful guarantee is provided for the safety of outdoor training and work.

The invention discloses a zero-carbon thermal management device based on solar photo-thermal and evaporative cooling, which relates to the technical field of zero-carbon thermal management devices and comprises a water collecting and distributing mechanism, a base material bearing mechanism, an automatic feeding and discharging mechanism and an electric control energy storage module. The water collecting and distributing mechanism is located on the uppermost portion of the device and used for collecting and spraying rainwater. A base material bearing mechanism is arranged below the water collecting and distributing mechanism and used for fixing a base material and achieving rotation and lifting adjustment of the position of the base material. An automatic feeding and discharging mechanism is mounted around the base material bearing mechanism and is used for conveying, mounting and dismounting the base material; the electric control energy storage module is located on one side of the zero-carbon heat management device and used for storing solar energy and driving and controlling automatic operation of all mechanisms of the zero-carbon heat management device. The device is environment-friendly, low in cost, exquisite in structure and convenient to assemble and disassemble, and intelligent heat management is carried out by adaptively switching a heating mode or a refrigerating mode.

A non-electric emergency intelligent hydraulic rapid operating system for a flood discharge gate includes a hydraulic control subsystem, a signal control subsystem and a state measurement and control subsystem. When the power supply is interrupted or the original system fails due to natural disasters such as sudden earthquakes, mountain torrents, mudslides, lightning, and rainstorms, the system can intelligently and quickly switch to the emergency operation mode, and support mobile phone remote visual monitoring and remote control operation. Servo high response control and electromagnetic ball valve switch control are adopted to achieve rapid response and reliable operation. Hydraulic servo synchronous closed-loop control is adopted, and a one-way valve, an electromagnetic ball valve and a back pressure valve are equipped to prevent oil cross-flow and ensure smooth operation. The independent oil tank is equipped with a dirt-receiving magnetic ring to ensure the cleanliness of the hydraulic oil and improve the reliability of the emergency system. The drone aerial monitoring function further improves the reliability and safety of the system. The present invention can realize intelligent, fast and reliable emergency operation of the flood discharge gate when the power supply of the original system is interrupted or fails, improve the reliability and safety of the hydraulic hoist, ensure the safety of the dam discharge, and eliminate the major safety hazards of flooding or dam collapse.