59results about How to "Reliable feedback" patented technology

A testing system and method are provided for verifying that a BIM-designed electrical distribution system in a building provides a valid, cost-effective electrical wiring pathway between every device and its assigned electrical distribution source. The system includes a digital processor having access to the informational content of the BIM-designed electrical distribution system, and a user interface and display screen connected to the digital processor. In operation, the digital processor extracts from the BIM-designed electrical distribution system the x-y locations of the devices, distribution sources such as electrical supply panels, and wiring pathway elements (e.g. conduits, junction boxes, etc.) forming electrical pathways. As the user lays out the pathways, the processor immediately informs the user, via the display screen, whether the distances between the device and the nearest exit point of the associated pathway and the distribution source and the nearest entry point of the associated pathway are within pre-selected, empirically-determined tolerances.

Methods and systems are described for an engine with a SCR system including NOx sensors upstream and downstream of catalyst. One method includes monitoring SCR performance via calculating SCR conversion efficiency at different catalyst temperatures. Further, feedgas NOx levels are artificially increased when SCR device temperature is above a threshold to obtain more reliable readings from NOx sensors.

A method for testing a language learner's ability to create semantically coherent grammatical text in a language, comprising generating text having at least one active region and inactive regions; displaying the text in a graphical user interface on a display unit, wherein at least one active region comprises a key word or phrase; identifying at least one active region in the graphical user interface; selecting at least one active region to display a menu of linguistic choices comprised of at least one grammatically correct linguistic choice and at least one grammatically incorrect linguistic choice; selecting one of the linguistic choices; and displaying an error message when at least one grammatically incorrect linguistic choice is selected.

The invention discloses an intelligent spot inspection periodical repair instrument which comprises a sensor signal processing circuit, a non-contact type infrared temperature measuring interface circuit, an information button, an electric tag interface circuit, an infrared laser bar code scanner, a GPRS (General Packet Radio Service) module, a TFT-LCD (Thin Film Transistor Liquid Crystal Display) screen, keys, a touch screen, a USB (universal Serial Bus) data interface and an ARM9 (Advanced Reduced Instruction-Set Computer Machines) processor, wherein the sensor signal processing circuit can be connected with various sensors, is processed by analogue filtering and enters an AD (Analogue / Digital) converter for converting to form digital signal data; and the digital signal data are read by the ARM9 processor, are processed by software filtering, integration, fft and other algorithms and then are analyzed. A non-contact type infrared temperature measuring module is used for detecting the surface temperature of mechanical equipment and accurately acquiring temperature distribution of measured equipment or a temperature value or a temperature rise value of relevant fault positions.

An activating portion on one section of an adjustable wheel assembly triggers a proximity switch on a vehicle such as a field sprayer to provide a signal indicative of wheel tread. The signal is sent to a controller which controls wheel tread adjustment. Two or more assemblies may be adjusted simultaneously reduce. adjustment time. The operator control is located in the vehicle cab for entering wheel spacings, providing an indication of the actual spacing and individual wheel position, and providing error and warning messages. An interlock system prevents axle telescoping unless certain vehicle conditions are satisfied, such as the vehicle speed being below a preselected point and vehicle being in the field mode.

Disclosed are a terminal and a CSI feedback method of a terminal, comprising the steps of: classifying cells into one or more cell groups on the basis of cell IDs of the cells set in a terminal; selecting a representative cell representing other cells belonging to each cell group; and transmitting a CSI feedback on the cells belonging to each cell group to at least one of a macro cell and a small cell connected to the terminal by using the representative cell selected in each cell group.

The invention discloses an underwater non-contact electric energy and data transmission system, and belongs to the technical field of ocean power. The system comprises an underwater work station, a power supply end, and an equipment end. The underwater work station is used for providing an external current for a mechanical cavity and an internal circuit. The power supply end consists of a power supply end cavity and a power supply end cover, which form a sealed cavity. The equipment end consists of an equipment end cavity and an equipment end cover, which form a sealed cavity. The system achieves wireless charging through a coupling module, and a main control chip measures input / output voltage and current and the temperature of a power device in real time, and receives the internal state data of a processing cavity, and enables data to be packaged and to be transmitted to a computer through an ENC28J69 and a WIFI module. After the data is analyzed and processed by upper computer software, the input / output voltage and current values area displayed in real time, and the transmission efficiency is clear at a glance.

The invention discloses a relay control method capable of reliably feeding back channel information. A transfer payment section is added in the profit of a relay node to control the profit of each relay node so as to ensure that the relay node can feed back the true value when feeding back the channel information, wherein the transfer payment is defined as the difference between the profit of a process that all of the other relay nodes Rj participate in the relay selection of a certain relay node Ri and the profit of a process that all of the other relay nodes Rj are supposed not to participate in the relay selection of the relay node Ri in the relay selection process of the relay node Ri. The relay control method provided by the invention has the positive effect that the transfer payment is introduced to automatically enable each relay node to follow the principle that the relay node can obtain the maximum profit only by feeding back the true channel information when feeding back the channel information, so as to well solve the problem that the relay node cheats the source node and to ensure reliable feedback of the channel information. Accordingly, the principle that the optimum effect can be obtained by telling the truth can be realized, and the optimum secrecy capacity of physical layer communication of the entire system can be ensured.

An apparatus for receiving data includes a data receiver for receiving the data, wherein the data is transmitted in a first channel by a first transmission. Moreover, the apparatus includes a transmit information transmitter for transmitting transmission information in a second channel by a second transmission. The transmission information is control information depending on the first transmission, or the transmission information is channel quality information indicating a channel quality of the first channel. The second channel is different from the first channel. Moreover, an apparatus for transmitting data and a system are provided.

The invention provides a ventilation system control method and device and an air conditioner. The method comprises the steps that the indoor carbon dioxide concentration is obtained; a ventilation unit is controlled to be started according to the indoor carbon dioxide concentration, and fresh air is introduced an indoor; after the ventilation is started, the ventilation unit is controlled to be closed according to the indoor carbon dioxide concentration and the carbon dioxide concentration change trend; and the carbon dioxide concentration change trend is obtained by detecting a first-order derivative f (x) of the carbon dioxide concentration. By arranging a carbon dioxide concentration sensor and the ventilation unit, the indoor carbon dioxide concentration is detected in real time, the first-order derivative of the carbon dioxide concentration is accurately calculated, the indoor carbon dioxide concentration change can be accurately and reliably fed back in real time, the ventilationunit is accurately regulated and controlled to introduce outdoor fresh air into the indoor, and the ventilation unit is controlled to be opened and closed; erroneous judgment caused by abnormal signals is avoided, the data accuracy and stability are effectively guaranteed, and the indoor air quality is improved.

The invention discloses a position monitoring device for a grounding handcart of a switch cabinet. The device includes a grounding handcart and a pulley guide rail arranged in a switch cabin. A frontpushing and pressing pulley and a rear pushing and pressing pulley are arranged on the pulley guide rail. A front pressing strip is arranged on the pulley guide rail. A front reset spring is arrangedbetween one end of the front pressing strip and the pulley guide rail. A state stroke switch is arranged at the front end of the pulley guide rail. A rear pressing strip is arranged on the pulley guide rail. A rear reset spring is arranged on one end of the rear pressing strip. A position stroke switch is arranged at the rear end of the pulley guide rail. According to the invention, by utilizing the front pushing and pressing pulley and the rear pushing and pressing pulley mounted on the grounding handcart to push and press the stroke switch so as to trigger a stroke switch joint, whether thegrounding handcart is in the switch cabinet or not, whether the grounding handcart is in a working state or not and whether the grounding handcart is in a testing position or not can be monitored andfed back reliably and state signals concerning to that the handcart is moved out of the switch cabinet can be fed back. Besides, influence from handcarts of other switch cabins can be eliminated. Thedevice provided by the invention meets requirements for error interlocking prevention of all switch cabinets on a bus.

The invention relates to a portable warning and protecting device for grounding fault of an apparatus. The portable warning and protecting device comprises a ground wire monitoring circuit and an abnormal warning circuit. The ground wire monitoring circuit comprises a filtering inductor, a power supply, a protection diode and a resistor, one end of the filtering inductor is grounded while the other end of the filtering inductor is sequentially serially connected with the power supply, the protection diode and the resistor, and the other end of the resistor is connected at a grounding end of an apparatus shell. The abnormal warning circuit comprises a bi-stable circuit module, a triode, a two-channel relay and a warner, an input interface of the bi-stable circuit module is connected with the grounding end of the apparatus shell, an output interface of the bi-stable circuit module is connected with a base of the triode, an emitter of the triode is connected with a coil of the two-channel relay, the triode drives the two-channel relay to act, one end of a normally open contact of the two-channel relay is connected with the grounding end of the apparatus shell while the other end of the normally open contact of the two-channel relay is grounded to form a protection loop, and one end of another normally open contact of the two-channel relay is connected with a collector of the triode and connected with a power supply while the other end of the normally open contact of the two-channel relay is connected with the warner to form a warning loop. The portable warning and protecting device is capable of guaranteeing reliable grounding of the apparatus, so as to prevent equipment loss and possible personal harm caused by accidental grounding fault of the apparatus.

The invention provides a high-voltage information acquisition controller. The high-voltage information acquisition controller comprises a power circuit, a switching quantity acquisition unit, an analog quantity acquisition unit, a power output unit, a high-voltage acquisition unit, a CAN circuit and an MCU circuit. The high-voltage information acquisition controller can directly acquire voltages across the two ends of a pre-charge contactor, and the voltages serve as necessary conditions for judging that pre-charge is completed. The high-voltage information acquisition controller can acquire input and output side voltages of high-voltage contactors such as the total positive contactor, the total negative contactor and the charge contactor and judge the states of the high-voltage contactors to achieve the purpose of protecting the contactors and relevant parts. The high-voltage information acquisition controller integrates part of functions of a vehicle control unit and can serve as an independent controller to control a whole vehicle. The high-voltage information acquisition controller integrates a current detection function and achieves detection of bus currents.

Disclosed is an illumination system (100) and method (600) for generating a predefmed illumination pattern on an area (10). The system comprises a plurality of luminaires (110), each luminaire having an orientation adjustment mechanism and being arranged to generate a contribution (210, 210′) to said illumination pattern on a part of said area; a plurality of cameras (120), each camera associated with one of said luminaires for capturing an image of an illuminated part of said area including the contribution generated by said as sociated luminaire; and a control unit (130) adapted to facilitate the generation of the predefmed illumination pattern by evaluating one of said images to determine a deviation from the predefmed illumination pattern for the illuminated part of said area captured in said image; selecting a luminaire from said plurality of luminaires from information contained in a light plan and generating an orientation adjustment signal for the selected luminaire based on the determined deviation.

The invention provides a large database creating and data managing method. The large database creating and data managing method comprises the following steps of firstly establishing M sub database storage modules, wherein each sub database storage module has a name storage unit for storing names of the sub database storage modules, and M is a positive integer; carrying out data storage and data updating in each sub database storage module, and carrying out data query and data display according to the storage contents of N sub database storage modules of the M sub database storage modules, whereinN is a positive integer not larger than M. The large database creating and data managing method disclosed by the invention facilitates a user to quickly carry out big data processing and judgment of value efficiency and equilibrium, so as to carry out selection decision and behavior optimization.

The invention discloses a slewing bearing fault diagnosis method and device and a storage medium, and the method comprises the steps: S1, obtaining a vibration signal of a slewing bearing, and setting the vibration signal as an original signal; s2, processing the original signal through an EEMD method, then obtaining an intrinsic mode component IMF of the vibration signal through decomposition, and then carrying out preferential processing on the IMF to obtain an optimal component; s3, performing MCKD parameter optimization processing on the optimal component by using a GWO algorithm and taking the related kurtosis as a fitness function to obtain an optimal parameter combination; s4, substituting the optimal parameter combination obtained through optimization processing of the GWO algorithm into MCKD to analyze the optimal component so as to obtain a noise reduction signal; and s5, carrying out envelope spectrum analysis on the noise reduction signals, then comparing and analyzing the fault characteristic frequency found in an envelope spectrum and the theoretical fault characteristic frequency, obtaining a diagnosis result. The scheme is reliable in implementation, high in accuracy and rapid in response.

Provided are an aperiodic channel state information (CSI) transmission method and device, a base station and a terminal. The transmission method comprises the following steps: issuing at least two pieces of downlink control information (DCI) to the terminal, wherein the hybrid automatic repeat request acknowledgement (HARQ-ACK) of the physical downlink shared channel (PDSCH) scheduled by the at least two DCI uses the same physical uplink control channel (PUCCH) resource for feedback; if one DCI in the at least two DCIs indicates that the terminal reports the aperiodic CSI, the aperiodic CSI and the HARQ-ACK use the same PUCCH resource for feedback, and a CSI trigger information domain of DCI issued after indicating that the terminal reports the DCI of the aperiodic CSI also indicates thatthe terminal reports the aperiodic CSI in the PUCCH resource. According to the method, the influence on the feedback information content when the UE misses one DCI triggering the aperiodic CSI reporting can be reduced or prevented, so that the reliable feedback of the aperiodic CSI on the PUCCH is ensured.

The invention relates to a wireless intelligent silicone tube cut-off device and a control method and belongs to silicone tube cut-off devices and control methods. The cut-off device comprises a linear motor control module, a wireless signal transmission module, a linear motor execution module and a system fault monitoring module. The linear motor control module is connected with the wireless signal transmission module through a conditioning circuit, the wireless signal transmission module is connected with a linear motor drive circuit of the linear motor execution module through a communication device, control of a linear motor is finished through the linear motor drive circuit, the system fault monitoring module is connected with a controller of the linear motor control module to form feedback control, connection and cut-off of fluid inside a silicone tube are controlled, and the stability of the device is guaranteed through the system fault monitoring module. The wireless intelligent silicone tube cut-off device and the control method have the advantage that connection and cut-off of the fluid inside the silicone tube can be effectively and reliably controlled in time; the wireless intelligent silicone tube cut-off device is exquisite in structure, small in energy consumption, reliable and efficient and proceeds rapidly; and system response is rapid, the information processing capability is high, and the reliability is good.

A self-adjusting clutch (1) for a motor vehicle, having a pressure plate (7) which can be displaced axially by an actuating member (2), in order to clamp in a clutch plate (8) between the pressure plate (7) and a back-pressure member (10) in a torque-transmitting manner, and having an adjusting ring (13) which is supported on a cover (5) in such a way that, if a relative rotation is performed with respect to the cover, it moves closer to the pressure plate for renewed orientation of the actuating member, wherein a stop (21) of this type is provided between the adjusting ring (13) and the cover, which stop (21) causes an oblique position of the pressure plate (7) relative to a transverse plane which is oriented orthogonally with respect to the rotational axis during movement of the pressure plate onto the clutch plate (8).

The invention provides a communication method and device and a readable storage medium. The communication method comprises the steps of obtaining strategy information sent by a communication object, wherein the strategy information comprises a target password generation strategy encrypted through a first public key; generating a decryption key according to preset identity identification information; decrypting the encrypted first private key through the decryption key, wherein the first private key corresponds to the first public key, and an encryption key of the first private key is generatedaccording to the identity identification information; decrypting the encrypted target password generation strategy through the first private key to obtain the target password generation strategy; generating a communication password according to the target password generation strategy, and encrypting the communication password through a second public key to obtain an encrypted communication password; and sending the encrypted communication password to the communication object. The communication method is used for improving the safety of the secret key, and then safe and reliable communicationis achieved.

The invention discloses a building right person collaborative updating system and a management platform thereof. One end of the collaborative updating system receives data from a regular self office and a block data platform, and the other end of the collaborative updating system is connected with the block data platform. The building right person collaborative updating system comprises a data access unit, a custom bureau internal data processing unit, a network office incremental data acquisition unit, a newly added data association processing unit, a data storage unit, a custom bureau updated data pushing unit and a collaborative updating system result database. By adopting the updating system and the management platform, building right person business work can be functionally and tightly surrounded, the design is humanized, the use is convenient and easy, the collaborative updating work is standardized and scientific under the support of the system, the system operation is simple, the fault-tolerant capability is strong, the information feedback is accurate and reliable, the online help is detailed, and the personnel of the operating system can really experience the convenience brought by the system.

The invention discloses a direct-drive type high-response axial plunger type variable hydraulic motor with a servo motor. The variable displacement mechanism of the direct-drive type high-response axial plunger type variable hydraulic motor comprises a servo motor, a variable control lever, a displacement sensor and a servo driving controller, wherein the output end of the servo driving controller is connected with the servo motor, and a rotor of the servo motor is fixedly connected with one end of the variable control lever; the other end of the variable control lever is positioned in a sliding groove of the displacement sensor, and the variable control lever can move to and fro in the sliding groove; and the end part of a driver pin of an oil distribution disc of the hydraulic variable displacement motor is fixedly connected with the variable control lever, and the displacement sensor is connected with a first signal feedback end of the servo driving controller. The variable hydraulic motor is simple and reasonable in structure, variable displacement and high frequency response and high precision stepless adjustment of variable torque output are realized on the axial plunger type variable hydraulic motor, and the whole adjustment process is smooth and is free of vibration.