Abstract: The embodiments of the present disclosure provide a method for optimizing smart gas work order scheduling implemented by an Internet of Things system for optimizing smart gas work order scheduling, the Internet of Things system includes a smart gas user platform, a smart gas service platform, and a smart gas management platform that interact in sequence, wherein the method is executed by the smart gas management platform, and a smart gas service sub-platform may generate a work order to be assigned based on a gas processing request. The gas processing request refers to a request that is sent by the user to process a gas-related problem. The gas-related problems may include fault reporting, service complaint, gas device function inquiry, gas new product inquiry, etc.

Abstract: The disclosure provides a method for predicting gas leakage based on indoor safety and a smart gas Internet of Things system. The method includes obtaining a gas data of a first area from at least one gas detection device; obtaining the gas data of the first area from a smart gas data center, predicting a gas concentration of a second area; judging whether the gas leakage occurs and determining a diffusion range of the gas leakage, and determining an emergency treatment plan; sending gas leakage information to the smart gas data center, and sending the gas leakage information to a smart gas user platform; and generating a remote control instruction based on the emergency treatment plan and sending the remote control instruction to the smart gas data center, and sending the remote control instruction to an indoor gas device object platform to execute control.

Abstract: This present disclosure provides a method for gate station compressor operation optimization for smart gas, which is implemented based on an Internet of Things system for gate station compressor operation optimization for smart gas. The Internet of Things system includes a smart gas device management platform, a smart gas sensor network platform, and a smart gas object platform interacting in sequence. The method is executed by the smart gas device management platform, comprising: obtaining user features of a downstream gas usage based on the smart gas object platform, the user features including at least a user type; obtaining operation parameters of a compressor based on the smart gas object platform, the operation parameters including at least a rated outlet pressure set by the compressor; and determining a rated outlet pressure adjustment amount of the compressor based on the user features and the operation parameters.

Abstract: The present disclosure provides methods and Internet of Things systems for gas operation based on a call center of smart gas. The method includes: obtaining call data of a gas user of a call center; predicting demand information of different types of users based on the call data of the gas user, respectively, the demand information at least including a gas product demand and a gas service demand; and determining a gas operation push feature and pushing the gas operation push feature based on the demand information of the different types of users, the gas operation push feature including a push type feature and a push content feature.

Abstract: The present disclosure provides methods and Internet of Things (IoT) systems for gas repair-reporting management based on a call center of smart gas. The method includes obtaining historical gas use data and historical gas repair-reporting data; generating, based on the historical gas use data and the historical gas repair-reporting data, first gas repair-reporting areas; generating, at least based on the historical gas use data and the historical gas repair-reporting data of the first gas repair-reporting areas, future gas repair-reporting data of the first gas repair-reporting areas; generating, based on the first gas repair-reporting areas and the future gas repair-reporting data of the first gas repair-reporting areas, second gas repair-reporting areas and future gas repair-reporting data corresponding to the second gas repair-reporting areas; and generating, based on the future gas repair-reporting data of the second gas repair-reporting areas, a maintenance personnel arrangement plan.

Abstract: The embodiments of the present disclosure provide a management method and a management Internet of Things system for a maintenance personnel of smart gas. The management method is implemented based on a smart gas safety management platform of a management Internet of Things system for maintenance personnel of smart gas. The method may include the following operations. Maintenance personnel information of at least one maintenance personnel may be obtained. The maintenance personnel information may include first positioning information of each of the at least one maintenance personnel. Second positioning information corresponding to at least one maintenance task may be obtained. A candidate maintenance task may be determined based on the first positioning information and the second positioning information. The candidate maintenance task may be sent to a user terminal of the maintenance personnel.

Abstract: This present disclosure provides a method for gate station compressor operation optimization for smart gas, which is implemented based on an Internet of Things system for gate station compressor operation optimization for smart gas. The Internet of Things system includes a smart gas device management platform, a smart gas sensor network platform, and a smart gas object platform interacting in sequence. The method is executed by the smart gas device management platform, comprising: obtaining user features of a downstream gas usage based on the smart gas object platform, the user features including at least a user type; obtaining operation parameters of a compressor based on the smart gas object platform, the operation parameters including at least a rated outlet pressure set by the compressor; and determining a rated outlet pressure adjustment amount of the compressor based on the user features and the operation parameters.

Abstract: The embodiments of the present disclosure provide a method for predicting gas transmission loss of smart gas, implemented by a smart gas equipment management platform of an Internet of Things (IoT) system for predicting gas transmission loss of smart gas, comprising: obtaining gas flow data, gas pressure data, and ambient temperature data of a plurality of time points respectively based on gas metering devices, pressure detection devices, and temperature monitoring devices at a plurality of positions of a gas pipeline network; predicting a gas metering error based on the ambient temperature data; determining whether gas loss is abnormal loss based on the gas flow data, the gas pressure data, and the gas metering error; and in response to a determination that the gas loss is the abnormal loss, sending a warning notice.

Abstract: The embodiments of the present disclosure provide a method for safety management of a compressor in a smart gas pipeline network and an Internet of Things system thereof. The method is implemented based on a smart gas safety management platform of an Internet of Things system for safety management of a compressor in a smart gas pipeline network. The method comprises: obtaining sound data and a target vibration feature of a gas compressor, and determining a target sound feature based on the sound data; obtaining gas data and device data, and determining a standard sound feature and a standard vibration feature based on the gas data and the device data; and predicting whether there is a safety hazard in the gas compressor based on the target vibration feature and the standard vibration feature, or based on the target sound feature and the standard sound feature.

Abstract: The present disclosure provides a method for smart gas terminal management, an Internet of Things system, and a medium thereof. The method is performed by a smart gas device management platform of the Internet of Things system for smart gas terminal management. The method comprises: obtaining user data authorized for usage by a user, wherein the user data includes at least one of gas information, water usage information, electricity usage information, and network information; determining, based on the user data, residence information of the user; and determining, based on the residence information, a smart gas terminal management solution.

Abstract: The embodiments of the present disclosure provide a method for predicting a gate station filter replacement at a gate station for smart gas and an Internet of Things system. The method includes: obtaining, by a smart gas data center, usage information of a filter element through a smart gas sensor network platform, the usage information at least including at least one of ventilation efficiency of the filter element, filtered impurity information, and a blockage degree; obtaining, by a smart gas pipeline network device management sub-platform, the usage information from the smart gas data center, determining a filter element maintenance plan based on the usage information, and sending the filter element maintenance plan to the smart gas data center; and sending, by the smart gas data center, the filter element maintenance plan to a smart gas user platform through a smart gas service platform.

Abstract: The embodiments of the present disclosure provide method and Internet of Things (IoT) systems for maintaining and managing a storage and distribution station of smart gas. The method may be executed by a smart gas device management platform of the IoT system for maintaining and managing the storage and distribution station of smart gas. The method may include: obtaining gas tank data and gas tank environmental data of a target gas tank of a gas storage and distribution station; obtaining image data of the target gas tank, and predicting gas tank aging data of the target gas tank based on the image data; predicting, based on the gas tank aging data, the gas tank data, and the gas tank environmental data, gas tank damage data of the target gas tank; and determining a maintenance plan of the target gas tank based on the gas tank damage data.

Abstract: The embodiments of the present disclosure provide a method and an Internet of Things (IoT) system for gas purification management in a storage and distribution station for smart gas. The method is implemented based on the IoT system for gas purification management in the storage and distribution station for smart gas. The IoT system includes a smart gas user platform, a smart gas service platform, a smart gas device management platform, a smart gas sensor network platform, and a smart gas object platform. The method is executed by the smart gas device management platform. The method includes: obtaining a gas quality condition parameter of a raw gas, and the gas quality condition parameter being obtained based on the storage and distribution station; determining, based on the gas quality condition parameter, an operation parameter in a purification process, the operation parameter being used for a purification operation of the raw gas.

Abstract: The present disclosure provides a preset management method of a gas pipeline network for a smart gas, which is performed by a smart gas management platform. The smart gas management platform comprises a smart user service management sub-platform, a smart operation management sub-platform and a smart gas data center. The method comprises: obtaining, by the smart gas data center, a region feature of each region within a target range through a smart gas sensing network platform; determining, by the smart operation management sub-platform, a gas demand degree of the each region based on the region feature of the each region; determining, by the smart operation management sub-platform, a region as a first-class region based on the gas demand degree in the region meeting a preset condition, and determining a gas pipeline network opening scheme for the region.

Abstract: The embodiments of present disclosure provide a method for processing abnormality of a smart gas pipeline network implemented based on a smart gas safety management platform of a safety management Internet of Things (IoT) system for the smart gas pipeline network. The method may include: obtaining detection information of a gas pipeline in a target area; determining an abnormal pipeline in the target area based on the detection information; and determining an abnormality handling scheme based on the detection information corresponding to the abnormal pipeline.

Abstract: The present disclosure provides a pipeline monitoring method and Internet of Things system based on smart gas pipeline network safety. The method comprises: determining an inspection need of at least one gas pipeline segment based on pipeline characteristics and transportation characteristics; based on the inspection need of the at least one gas pipeline segment, determining at least one target pipeline segment; sending the at least one target pipeline segment to the smart gas data center, and further sending the target pipeline segment to the smart gas user platform based on the smart gas service platform; based on the at least one target pipeline segment, generating a remote control instruction and sending the remote control instruction to the smart gas data center, and based on the smart gas sensing network platform, sending the remote control instruction to the smart gas object platform to perform deep inspection.

Abstract: The disclosure provides a method for predicting gas leakage based on indoor safety and a smart gas Internet of Things system. The method includes obtaining a gas data of a first area from at least one gas detection device; obtaining the gas data of the first area from a smart gas data center, predicting a gas concentration of a second area; judging whether the gas leakage occurs and determining a diffusion range of the gas leakage, and determining an emergency treatment plan; sending gas leakage information to the smart gas data center, and sending the gas leakage information to a smart gas user platform; and generating a remote control instruction based on the emergency treatment plan and sending the remote control instruction to the smart gas data center, and sending the remote control instruction to an indoor gas device object platform to execute control.

Abstract: The embodiments of the present disclosure provide a method and an Internet of Things (IoT) system for determining a gas meter measurement failure of a smart gas, the method including: by the smart gas data center, obtaining, based on the smart gas sensing network platform, gas flow information of pipelines of each level from at least one flow monitoring device, the at least one flow monitoring device being configured in the smart gas object platform; by the indoor smart gas device management sub-platform, determining a candidate area based on the gas flow information; determining a target gas meter based on gas meter reading information of the candidate area, and then determining a maintenance plan for the target gas meter; and sending the maintenance plan to the smart gas data center, and sending the maintenance plan to the smart gas user platform based on the smart gas service platform.

Abstract: An RF microcircuit package and interconnection device is disclosed which minimizes impedance mismatch between circuit elements. Multiple signal via and close proximity ground vias as well as tuned wire bonds are disclosed.

Abstract: In the first circuit arrangement, a low noise balanced microwave amplifier includes an input coupler having an integrated noise-matching circuit, a single-ended amplifier in each branches, and an output coupler. The impedance at each output port of the input coupler is set close or equal to the optimum noise source impedance of an active gain device in the single-ended. No additional circuit element or only one shunt inductor or capacitor is needed for the noise matching. The total insertion loss of the input network is reduced to improve the overall noise figure. In the second circuit arrangement, two low noise amplifiers of microwave monolithic integrated circuit (MMIC) are used for the active gain device within the balanced amplifier.