Hohai University

A.o. Smith Corporation

Inspur Suzhou Intelligent Technology Co., Ltd

Suzhou Metabrain Intelligent Technology Co., Ltd.

Meng Yang

Huaizhi Su

Chongshi Gu

Xu Sun

Hong Luo

Kai Liu

Jianmin Yin

Hao Li

Xing Li

Michael William Schultz

Yulong Zhou

Zhongsheng Niu

Qi Song

Chad Edington

Tingyu Li

Wei Xie

Zheng Fang

Hezhi Liu

Zhaoqing Fu

Zhiyun Guo

Qiangqiang Jia

Brian Iske

Neil Rolph

Stephen Memory

Dustin Wiggins

Xiangke Wang

Provided in the present disclosure is a method of reading or writing data, including: determining read or write data according to a data read or write request; when a cache miss occurs for the read or write data and a data memory provided in the cache does not have an idle storage address, traversing starting from an initial storage address of the data memory; when a storage address having an unread flag is found in the traversing, writing the read or write data to the storage address having the unread flag; and when the storage address having the unread flag is not found in the traversing, writing the read or write data to a previous storage address of the initial storage address. Further provided in the present disclosure are a data read or write apparatus and device, and a computer-readable storage medium, which all have the above beneficial effects.

Method of reading or writing data, apparatus, and related device

A method and an apparatus for generating information based on a FIFO memory, a device and a medium. In the method, a write credit score and a read credit score of a current FIFO memory are determined by a total capacity of the FIFO memory, and a read address, a write address, a read data enable signal value and a write data enable signal value of the current FIFO memory; and the write credit score represents the number of data sets that can be written into the FIFO memory normally; and the read credit score represents the number of data sets that can be read from the FIFO memory normally; and after sending the write credit score and the read credit score to a preceding-stage device, the preceding-stage device read and write data according to the write credit score and the read credit score.

Method for generating information based on FIFO memory and apparatus, device and medium

Disclosed in the present disclosure is an out-of-order data generation method. The method comprises: creating a plurality of threads; instructing all threads to acquire transmission permission in a manner of acquisition after random delay, determining, after any thread acquires the transmission permission, a thread as the current thread, and instructing the current thread to drive currently generated data and a corresponding data ID to an AXI bus for reading by a receiving end, so as to implement an out-of-order reading test on the basis of the data and corresponding data identifier that are read by the receiving end; and after sending, by the current thread, of the currently generated data and the corresponding data identifier ends, recycling the transmission permission, and returning to execute the step of instructing the all threads to acquire the transmission permission in the manner of acquisition after the random delay.

Out-of-order data generation method and apparatus, and device and storage medium

A water heater includes an outer casing defining a longitudinal axis, an axial direction being defined as extending along the longitudinal axis. The water heater further includes a combustor for production of hot flue gases, a primary heat exchanger including a tube positioned within the outer casing, and a secondary heat exchanger including a plurality of plates coupled together by brazing to form a brazed plate heat exchanger. The secondary heat exchanger includes a first set of passages defined between the plates, and a second set of passages defined between the plates and alternating with the first set of passages in the axial direction. The primary and secondary heat exchangers are in fluid communication such that the flue gases flow through the second set of passages before being exhausted, and water to be heated flows through the first set of passages to a delivery point for use upon demand.

High efficiency tankless water heater

The present invention discloses a dynamic diagnosis system and method for concrete damage based on a distributed sensing optical fiber. The system includes an upper fixed platform and lower fixed platforms, the upper fixed platform is provided with an optical fiber correction entity and an optical fiber framing platform, the optical fiber correction entity is provided with a butterfly-shaped optical fiber pressing block, the optical fiber framing platform is provided with an optical fiber threaded column, a sensing monitoring barrel and a disturbance eliminating barrel are arranged below the upper fixed platform, the downside of the sensing monitoring barrel is connected with a left fiber fixing beam, the left fiber fixing beam is connected with a left barrel bottom cone, the left barrel bottom cone is hinged with a left port light source protection body, the lower end of the disturbance eliminating barrel is connected with a right fiber fixing beam, the right fiber fixing beam is connected with a right barrel bottom cone, and the right barrel bottom cone is hinged with a right port light source protection body. The dynamic diagnosis system and method are not only capable of catching microvibration, but also capable of bearing greater-amplitude vibration, so that the vibration monitoring range is greatly widened, and the demand for dynamic diagnosis of concrete structural damage is met perfectly.

Dynamic diagnosis system and method for concrete damage based on distributed sensing optical fiber

The apparatus comprises a bottom plate, a first side plate (), and a second side plate (). The top of the first side plate is connected to the top of the second side plate by an arc-shaped fiber carrying channel (). A first arc-shaped cover () and a second arc-shaped cover () are hinged to the tops of the first side plate and the second side plate, respectively. A first arc-shaped pressing body () and a second arc-shaped pressing body () are fixedly connected to the lower end surfaces. A first sensing optical fiber () and a second sensing optical fiber () located in the arc-shaped fiber carrying channel are disposed below the first arc-shaped pressing body and the second arc-shaped pressing body respectively. The first arc-shaped cover is connected to the second arc-shaped cover by a locking apparatus.

Apparatus and method for arranging concrete structure service condition optical fiber acoustic emission sensing device

Provided are a water engineering seepage behavior fusing and sensing system and method. The system comprises a seepage-hidden optical fiber locating device, a seepage flow velocity distributed optical fiber monitoring device, an online seepage line diagnosis device and a seepage behavior optical fiber self-adaptive identification device, the location of a water engineering seepage point is realized by using the seepage-hidden optical fiber locating device, then, the seepage flow velocity of a water engineering is monitored by virtue of the seepage flow velocity distributed optical fiber monitoring device, the online diagnosis of a seepage line on a section of a whole water engineering structure can be realized by using the online seepage line diagnosis device, and finally, the current seepage behavior is integrally monitored and evaluated by using the seepage behavior optical fiber self-adaptive identification device, so that the water engineering seepage behavior fusing and sensing is completed. The optical information change of the optical fiber is acquired from multiple aspects and angles by using the four water engineering seepage monitoring devices, depending on the material and mechanical properties of the water engineering and relying on a distributed optical fiber monitoring technology, and furthermore, the monitoring and sensing of a seepage behavior of a water engineering are indirectly completed.

Water engineering seepage behavior fusing and sensing system and method

A water heater system includes a primary heat exchanger including a tank and at least one flue, and a secondary heat exchanger including a core and a flue gas flow path. The water heater is operable in a heating mode in which a combustor produces hot flue gas and a water pump flows water through the core of the secondary heat exchanger and into the tank, and in a non-heating mode in which the combustor and the water pump are inoperative. The flue gas flows from the combustor through the at least one flue to heat the water in the tank and then through the flue gas flow path to heat water in the core before being exhausted.

Water heater

The present invention discloses an integrated monitoring system and monitoring method for a seepage behavior of water engineering in a complex environment, the system includes a seepage character space-time monitoring device and a sensing fiber seepage-monitoring sensitizing device, the seepage character space-time monitoring device includes a vertical force-bearing fiber-carrying column, an outer edge through pipe and a sensing fiber, a left force-bearing beam and a right force-bearing beam are disposed at two sides of the vertical force-bearing fiber-carrying column respectively, the outer edge through pipe is sleeved over the vertical force-bearing fiber-carrying column, a fiber collecting box is disposed above a second transitional round end, the sensing fiber in the fiber collecting box runs through the outer edge through pipe to be connected to a component supporting body containing a temperature measuring device, and then runs through an elastic device after sequentially bypassing the second transitional round end and a first transitional round end to be led out from a third transitional round end. The integrated monitoring system for a seepage behavior of water engineering in a complex environment, with a series of products and technologies such as research and development in basic sensing fibers and secondary processing of common sensing fibers being provided, implements quantitative and qualitative assessments in the horizontal and longitudinal directions in terms of time and space.

Integrated monitoring system and monitoring method for seepage behavior of water engineering in complex environment

A wading structure health sensing distributed optical fiber calibration system and a method includes a heat insulation barrel, and calibration modules located in the inner ring of the barrel, the calibration module comprises a through-shaft, a first electronic thermometer and a second electronic thermometer, an optical cable to be calibrated is twisted on the through-shaft and is connected to an optical fiber temperature demodulator outside the heat insulation barrel, the first and second electronic thermometers are respectively connected to first and second temperature control meters outside the barrel, a temperature source wire for heating water in the barrel arranged in the wall of the barrel, the temperature source wire connected to a power temperature control meter outside the barrel, and the first temperature control meter connected to cooling and heating devices simultaneously through leads of the first temperature control meter.

Water structure health sensing distributed optical fiber calibration system and method

A sensing optical fiber acoustic emission integrated sensing system and method for monitoring the safety of a structure which comprises a sensing optical fiber temperature interference removal device and a sensing optical fiber acoustic emission demodulation device. A sensing optical fiber () successively passes through the sensing optical fiber temperature interference removal device and the sensing optical fiber acoustic emission demodulation device. A distributed sensing optical fiber acoustic emission regulation and control device for sensing the degradation of structure performance is integrated with a sensing optical fiber acoustic emission sensing system with multiple complex devices, multiple functional modules and multiple interconnection components.

Sensing optical fiber acoustic emission integrated sensing system and method for monitoring safety of structure

A hydraulic structure seepage property distributed optical fiber sensing integrated system includes a special optical fiber for seepage measurement, an optical fiber calibration device, an optical fiber laying device, and a seepage property identification device. After the optical fiber calibration device calibrates the special optical fiber for seepage measurement on site, the special optical fiber for seepage measurement is laid and tested with the aid of the optical fiber laying device, and is connected to the seepage property identification device for information collection, processing and analysis after the test is successful.

Hydraulic structure seepage property distributed optical fiber sensing integrated system and method

A distributed sensing fiber acoustic emission apparatus and method for monitoring a hydraulic engineering safety behavior includes a fiber-carrying laying module and a fiber acoustic emission module. The fiber-carrying laying module includes an inner supporter, mesh modules and fiber-carrying modules, the inner supporter, the mesh modules and the fiber-carrying modules form a cylindrical shape. The cross section of the inner supporter is in a quadrangle inner-concave shape with the four edges concaved, the four surfaces of the inner supporter are concaved, the mesh modules having a plurality of meshes are respectively disposed in the four concave surfaces of the inner supporter, and the fiber-carrying module is arranged between every two adjacent mesh modules.

Distributed sensing fiber acoustic emission apparatus and method for monitoring hydraulic engineering safety behavior

A distributed sensing fiber acoustic emission fusion sensing system includes a sensing fiber temperature-sensitive compensation device and a sensing fiber acoustic emission demodulation device. A sensing fiber in the sensing fiber temperature-sensitive compensation device after being compensated enters the sensing fiber acoustic emission demodulation device.

Distributed sensing fiber acoustic emission fusion sensing system and running method

A fiber acoustic emission sensing apparatus and method including a laying device and an acoustic emission source; the laying device comprises base plate, first side plate and second side plate, the top portion of the first side plate connected with the top portion of the second side plate through an arc-shaped fiber-carrying channel, a main cavity formed by the first side plate and the second side plate; top portions of the first and second side plates respectively hinged with first and second arc-shaped covers, the lower end surface of the first arc-shaped cover fixedly connected with a first arc-shaped pressing body, the lower end surface of the second arc-shaped cover fixedly provided with a second arc-shaped pressing body, a first sensing fiber arranged under the first arc-shaped pressing body, and a second sensing fiber arranged under the second arc-shaped pressing body.

Growing community of inventors

Jiangsu, China

Meng Yang