674results about How to "Switch accurately" patented technology

A travel control apparatus includes: an abnormality information acquisition section that acquires information indicating that an abnormality of a driver of a vehicle is detected; a status determination section that makes a determination that the driver is in a driving difficulty state, when the abnormality of the driver is detected continuously; and an evacuation control section that initiates an automatic evacuation control stopping automatically the vehicle when the status determination section makes a determination that the driver is in the driving difficulty state. The travel control apparatus further includes an assistance control section that initiates a driving assistance control during an interval from when the abnormality is detected to when the driving difficulty state is determined; the driving assistance control includes at least activating a lane departure prevention function of the vehicle.

Methods and systems are provided for monitoring cylinder valve deactivation in an engine operating with a plurality of cylinder valves. One example method comprises, sensing a plurality of cylinder valve positions of a plurality of cylinder valves; and combining the plurality of sensed positions to form a combined cylinder valve signal. The method may further include identifying valve degradation and differentiating valve degradation among the plurality of cylinder valves based on the combined cylinder valve signal and an expected value of the signal, and further based on a crank angle at which the expected value differs from the combined signal.

The invention discloses a different frequency measurement configuration method and a device. A base station configures different frequency measurement for user equipment according to nearly blank subframe model information of adjacent cells on each frequency point for the user equipment to perform different frequency measurement and sends different frequency measurement configuration information to the user equipment, wherein the different frequency measurement information at least comprises measurement interval deviation or a measurement subframe model; and the user equipment measures the adjacent cells on the corresponding frequency points according to the received different frequency measurement configuration information. By means of the different frequency measurement configuration method and the device, the fact that the user equipment accurately measures different frequency cells in the scene of interference coordination can be guaranteed so that the user equipment can correctly judge and switch to an appropriate different frequency cell.

A photographic apparatus infers a user's photographic intent and accordingly switches between a manual shoot mode and an automatic shoot mode. In the manual shoot mode, processing to save photographic image data is timed in accordance with the user operating a user-operable shutter element, while in the automatic shoot mode, such processing is conducted independently of shutter element operations. A photographic unit photographs a scene, acquires photographic image data of a subject, and then executes processing for saving the photographic image data. An intention judgment information detector detects intention judgment information used to judge the photographic intent of the user. A controller makes an intention judgment using the intention judgment information from the intention judgment information detector, and according to the intention judgment result, causes the photographic unit to selectively execute the operations for one of the modes.

The embodiment of the invention provides a method for measuring a reference signal between UE (user equipment) and a base station and the base station. The method is applied to the base station and comprises the following steps: receiving a first measurement report reported by a first measurement configuration issued by the UE on the basis of the base station; when a distance between the position of the UE and an adjacent cell is determined to be smaller than a first distance threshold value according to the first measurement report, sending a second measurement configuration to the UE to indicate the UE to measure a reference signal of the adjacent cell according to an appointed second measurement period in the second measurement configuration, wherein the second measurement period is shorter than a corresponding first measurement period in the first measurement configuration; and receiving a measurement result which is acquired and encapsulated in a second measurement report by the UE after the adjacent cell is measured according to the second measurement period. In a moving process of the UE, after the second measurement configuration from the base station is received, the adjacent cell is measured in the second measurement period, and a more precise result is reported to the base station, so that the base station can be used for carrying out accurate switching between cells for the UE.

The invention discloses a switch method for user terminals to participate in switch decisions, including the following steps: at first, the source base station chooses a group of down node-sets according to the measurement information, and then during switch, the user terminal chooses an optimized switch target from former down node-sets chosen by the resource base station according to present measurement information. The invention realizes macro-diversity of downstream data during switch preparation stage, which not only solves the problem that UE is easily dropped during switch process, but also brings diversity gain, improves service quality effectively, increases switch speed. The invention also discloses a system, a base station and use terminal for user terminal to participate switch decision. Because the target switch channel is independently chosen by user terminal during switch according to the invention, it can be more accurate to switch to a perfect target channel in the situation of rapidly changed wireless environment, thereby ensuring the switch quality of switch effectively.

The invention provides a map display method, a map display system, a navigator and an electronic map; the map display method comprises the steps: a scaling module can display data of the electronic map and comprises at least one preset scale icon which is marked with prompting characters corresponding to a preset scale; when the preset scale icon is selected, the preset scale corresponding to thepreset scale icon can be acquired; the data of the electronic map corresponding to the preset scale; according to the acquired data of the electronic map, the displayed data of the electronic map is updated. By adopting the invention, the electronic map corresponding to the scale expected by the user can be rapidly and accurately switched.

A device and method for measuring and correcting eye aberrations integrate wavefront sensing, wavefront aberration correction and optometric testing into one another and configure the optical paths of wavefront sensing and optometric testing as aplanatic structures, such that under optometric testing conditions both wavefront sensing and aberration correction can be performed simultaneously, and final optometric testing is conducted on wavefront aberration-corrected optometric parameters to verify if the wavefront aberration-corrected optometric parameters fall within normal visual range, thus ensuring the accuracy and high repetition of the measured optometric parameters.

A battery cell charge / discharge and protection circuit and system employing enhancement-mode junction-gated transistors as gating switches and minimizing external components is disclosed. The use of an enhancement-mode switch device with a PN junction control gate enables the elimination of external or internal precision resistors through the compensation of the voltage drop across the switch with the forward drop across the PN junction for temperature invariance of switch channel current estimation. The use of variable current drive circuits combined with a capacitor connected to the gate of the switch device facilitates energy consumption optimization while providing a timing mechanism for determining the recovery duration after a fault condition. Elimination of precision resistors and the minimization of the capacitance value facilitate a low-cost, single-chip battery protection solution.

The invention discloses a heat resistance measurement method for a pseudomorphic high electron mobility transistor (PHEMT); by adopting the heat resistance measurement method, the temperature measurement is accurate, and damage to the PHEMT and measurement errors are not easy to cause. The method is implemented by the following technical scheme: a semiconductor heat resistance measurement instrument T3ster provides a current source to load current between a drain electrode and a source electrode of the PHEMT; a channel of the PHEMT is heated by the internal resistance of the transistor, then a T3ster peripheral control circuit performs instantaneous circuit switching, and the heating is stopped instantaneously; in the process, a voltage output end Ucb of the T3ster enables a fast recovery diode to be positively biased, under the effect of partial voltage of a divider resistor R1 connected with the Ucb on the Ucb, pinch-off voltage between a grid electrode G and the source electrode S of the PHEMT to be measured is generated, and reversal of biasing between the grid electrode G and the source electrode S of the PHEMT is realized; after the circuit switching, positive biasing between the grid electrode G and the source electrode S is realized, and the voltage drop reflects a temperature. Heat resistance is obtained according to a temperature change value measured by the T3ster by using data processing software Master of the T3ster in a computer.

The invention relates to a method and a system for switching a backup power supply. The method comprises the following steps of: starting switching and tripping off a working power switch; acquiring the operation condition of the backup power supply; and if a condition is accordant with the tripping off criterion of the working power switch and the operation condition of the backup power supply, performing a power supply switching action and putting the backup power supply into operation, wherein the execution of the starting switching and the stripping off of the working power switch comprises one or more of the following criteria: frequency voltage quality starting, frequency difference starting, frequency difference non-current starting, reverse power starting and frequency difference reverse power starting. At least one of five criteria is adopted, so that the power supply can be switched rapidly and correctly. Moreover, a multi-judgment backup power supply operation condition is adopted, so that the backup power supply can be put into operation correctly and the backup power supply is switched rapidly and correctly and put into operation.

The voltage limiter is used to effectively limit short-term and long-term overvoltages. Said voltage limiter has a varistor (1) and a discharge path which can be connected in parallel with the varistor. The discharge path contains a switching point (4), which is preferably in the form of a semiconductor switch and can be loaded with an uninterrupted current, and which can be closed above a limit value of a signal which is dependent on an operating variable of the varistor (1). The varistor (1) is arranged in a first area (24) and the switching point (4) is arranged in a second area (26) of two areas (24, 26, 28) which are at an axial distance from one another in the direction of an axis of symmetry (20). Means (5) for operating the switching point (4) are accommodated in a third area (28), which is at a defined potential. The arrangement of the components (1, 4, 5) of the voltage limiter in separate areas (24, 26, 28) results in a compact, modular construction, and those components of the voltage limiter which are subject to power loading, namely the varistor (1) and the switching point (5), are physically separated from one another, so that they can be cooled independently of one another. Since the operating means (5), which generally operate electronically, are accommodated in an electromagnetically shielded area (28), the operational reliability of the voltage limiter is at the same time improved, and, in particular, undesirable high-energy electromagnetic interference is kept away from this area (28).

The invention discloses an embedded health monitoring system for an active and passive structure of an aeroplane, comprising a software module, a system power supply module, a controller module, a high-speed memory module, a sensor signal acquisition module, a signal magnifying module, an acoustic emission triggering module, a channel switching module, a digital management module, an excitation signal output module, a power magnifying module and a signal transfer module. The embedded health monitoring system can monitor the health condition of the aeroplane structure on line, has the advantages of compact structure, vibration resistance, electromagnetic interference resistance, small size, light weight, convenient carrying and installation, convenience for the maintenance personnel of the aeroplane and capability of realizing onboard carrying, integrates a plurality of damage monitoring methods, and automatically extracts structural damage characteristics and distinguishes the damages. In addition, the system has good expandability so as to very conveniently collocate and expand healthy monitoring software and healthy monitoring hardware; and the system is provided with standard onboard equipment interfaces, thereby being convenient for networking of a plurality of sets of systems and communication with other onboard systems.

A bridge rectifier is established by MOSFETs instead of diodes. The MOSFET bridge rectifier includes a voltage detector to detect the voltages of two AC input terminals of the MOSFET bridge rectifier, for identifying the positive and negative half cycles of an AC voltage input to the MOSFET bridge rectifier, thereby accurately controlling the MOSFETs.

The invention, which belongs to the technical field of the unmanned aerial vehicle detection apparatus, discloses a detection device for an unmanned aerial vehicle-mounted electronic system. The detection device comprises an unmanned aerial vehicle avionics system detection simulation device, a coding and decoding system, and a detection system radio frequency link; the unmanned aerial vehicle avionics system detection simulation device is connected with the coding and decoding system by a serial port; and the coding and decoding system is connected with unmanned aerial vehicle-mounted radio equipment by the detection system radio frequency link. According to the detection device, the miniaturized and portable design scheme is used; the detection workload is small; a few responders are needed; and the detection speed is fast. On the basis of the mode of wired connection of the detection system radio frequency link with the unmanned aerial vehicle-mounted radio equipment, problems that frequent starting up by the ground control station is needed and the collision with self examination of the ground control station exists during the detection process of the unmanned aerial vehicle-mounted electronic system can be solved.

Provided are a radio communication mobile station apparatus, a radio communication base station apparatus and a radio communication method, which make it possible to correctly switch between transmission modes for a PUSCH and a PUCCH while impeding signaling overhead from increasing. A transmission mode setting unit (107) detects an instruction given by a base station, the instruction indicating a multiplexing method for a PUSCH and a PUCCH. A trigger information reporting determination unit (108) performs threshold discrimination where PHR_pucch, which is calculated by PHR_control calculation unit (106), is compared with a threshold value that depends on the multiplexing method indicated by the instruction given by the base station. Specifically, in a TDM transmission mode, trigger information is reported if PHR_pucch>X1[dBm] is satisfied. On the other hand, in an FDM transmission mode, the trigger information is reported if PHR_pucch<Y1[dBm] is satisfied. Based on a result of the threshold discrimination, the trigger information reporting determination unit (108) determines whether to report the trigger information.

A device for controlling a fluid-actuated, double-action operating cylinder (2) having two cylinder chambers (6, 8) separated from one another by a piston (4). Each cylinder chamber (6, 8) communicates with a respective valve (12, 14) for controlling the flow of fluid in and out of the cylinder chamber (6, 8) and a pressure sensor (40) for detecting the fluid supply pressure. A control unit (20) is connected to the switching valves (12, 14) and the pressure sensor (40). To determine the actual control force of the operating cylinder (2), the pressure sensor (40) is arranged between the cylinder chambers (6, 8) and the control unit (20). The output from the pressure sensor (40) can be processed in the control unit (20) and used for actuating a pressure regulation valve (22) arranged in the pressure line (32).

The invention relates to a pulse helium ionized gas phase chromatographic instrument which comprises a gas carrying unit, a sampling unit, a gas path control unit, a circuit control unit, a separation unit and a test unit; the invention is characterized by further comprising a tail gas processing unit and a signal collection and data processing unit; the tail gas processing unit receives the waste gas discharged by the separation unit; the signal collection and data processing unit is a countercharge chromatograph workstation; the gas carrying unit is constructed by a solid state filter and a helium purifier to provide high purity carrying gas for the separation unit; the sampling unit is used for sampling and automatic sampling injection; the separation unit is comprises a switching procedure of three valves and four columns; the test unit is a pulse helium ionized tester. The stable path control and the circuit control parts of the invention can ensure the instrument to work for a long time and can show good response to all the impurities in the high purity gas, the measurement result can meet the gas standard requirement, the operation is simple and the whole process is in automatic control.

A first exemplary aspect of an embodiment of the present invention is a phase-locked loop circuit including: a voltage-current converter that converts a control voltage into a control current, the control voltage generated according to a phase difference between an input pulse signal and a feedback pulse signal fed back from an output side of a current controlled oscillator; the current controlled oscillator that generates an output pulse signal having a frequency according to the control current; a current detection unit that detects the control current; and a frequency range switch that switches a frequency range of the output pulse signal according to the detected control current.

The invention discloses a switching method and device for a day and night ICR. The method comprises the steps of determining first distance in a night mode, wherein the first distance is the distance between the image when only irradiation of visible light exists and the image when only irradiation of infrared light exists in R / G and B / G color space; determining second distance and a G value, wherein the second distance is the distance between the image when mixed light irradiation exists and the image when only the irradiation of the infrared light exists in the R / G and B / G color space, and the G value is the G value of the image in RGB space when the mixed light irradiation occurs; determining the shutter time and gain of a camera; determining a brightness value of external environment visible light according to the first distance, the second distance, the G value, the shutter time and the gain; determining a first threshold for switching from the night mode to a day mode; and switching the camera from the night mode to the day mode when the times that the brightness value of the external environment visible light is continuously greater than the first threshold is greater than a preset count threshold. Through adoption of the scheme, the switching accuracy of the day and night ICR of the camera can be improved.

The invention relates to a method for transmitting memory data from a memory to a memory control module, in which method a read command is transmitted from the memory control module to the memory, and the memory data which correspond to the read command are transmitted from the memory to the memory control module, a sampling control signal which controls the acceptance of the memory data into the memory control module being transmitted from the memory to the memory control module in parallel with the memory data. In order to avoid defective data transmission between the memory and the memory control module as reliably as possible, the sampling control signal is transmitted with a preamble which indicates the imminent beginning of data transmission, for the sampling control signal to be monitored for the presence of the preamble, and for a data input amplifier of the memory control module to be switched on only when the presence of the preamble is detected.

To provide a braking device for a vehicle, which is capable of switching properly between single braking for one of front and rear wheels and combined braking with CBS according to the driving conditions of the vehicle, and of thereby achieving the balance between active vehicle controllability based on a driver's intention and braking performance. Brake systems respectively for the front and rear wheels are provided so that brake caliper assemblies respectively for the front and rear wheels can be operated independently of each other with brake operating sections exclusively for the brake caliper assemblies for the front and rear wheels, respectively. The brake system for the front wheel is provided with a hydraulic pressure modulator capable of feeding a braking force to the brake caliper assembly for the front wheel. When a rear wheel slip ratio exceeds a threshold value under rear brake operation, a controller activates the hydraulic pressure modulator for the front wheel to start braking the front wheel.

A filament winding apparatus efficiently performs a helical winding process in which the winding angle of the fiber bundle differs. A helical winding head includes two guide rings, adjacently arranged along an axis center of the mandrel, and guide tubes arranged at equal intervals along a circumferential direction of the guide rings. The guide rings are switchable between a first state in which phase positions of the guide tubes are matched and a second state in which the phase positions of the guide tubes are evenly shifted in the circumferential direction by a phase switching structure. Tube exits of the guide tubes are arranged close in the first state.

The invention discloses a man-machine co-driving type electric power steering system based on a hybrid theory and a control method, and belongs to the field of unmanned steering of an intelligent car. The man-machine co-driving type electric power steering system comprises a front torque / angle sensor, a rear torque / angle sensor, a man-machine co-driving type electric power steering hybrid controller, a switching monitoring controller, a steering motor, a steering shaft, a speed reduction mechanism and a gear and rack mechanism. The invention further provides the control method for the man-machine co-driving type electric power steering system based on the hybrid theory, a man-machine co-driving type electric power steering system steering adjustment control system in the optimal operation state is built based on a hybrid switching system, a complex problem in the whole operation project is decomposed into a synthesis of control problems under single work conditions, and therefore complex modeling and control of the man-machine co-driving type electric power steering system are realized. The control system is high in stability, the control method is easy to realize, and different steering conditions of the car can be met.

The invention provides a method which acquires a carrying service type and achieves a carrying switch. When the carrying is established, the carrying service type information is determined by a strategy and accounting rule function according to an application information which is provided by an application server; the carrying service type information is transmitted to a carrying network which judges a CS switch or a PS switch according to the carrying service type information which is acquired by the method and achieves corresponding switch. By adopting the proposal of the invention, the carrying network can acquire the carrying service type information when establishing the carrying and can fast and exactly achieve the switch when the subscriber demands the network switch.