Grid structures are rapidly evolving in view of contemporary energy policies which ensure the addition of more renewable sources to reduce the carbon footprint.Compared to a centralized approach,low voltage grids(dece...Grid structures are rapidly evolving in view of contemporary energy policies which ensure the addition of more renewable sources to reduce the carbon footprint.Compared to a centralized approach,low voltage grids(decentralized and distributed)are promising approaches to integrating nondispatchable renewable energy sources(RESs).Installing local micro level power generation sources such as fuel cells,microturbines,and energy storage systems are a recent trend which helps in the intermittent effects of RESs and makes microgrids less dependable on the main grid.Due to the increasing variety of distributed generation sources having diverse characteristics,power dispatch scheduling of distributed microgrids is becoming challenging.A dispatch scheduling solution from an operator’s point of view is presented by the authors.The core objective of this study is to minimize the carbon emissions and the cost of each microgrid.Further,it is observed that sales and purchases from the main grid are reduced.Consequently,transmission losses are also decreased.展开更多
Flexible and perceptive sensors represent the pinnacle of wearable technology;nevertheless, most of the current hydrogel-based sensors encounter difficulties in concurrently achieving mechanical durability, biocompati...Flexible and perceptive sensors represent the pinnacle of wearable technology;nevertheless, most of the current hydrogel-based sensors encounter difficulties in concurrently achieving mechanical durability, biocompatibility, high sensitivity, and scalability. This work introduces an innovative multimodal hydrogel–textile composite sensor(WPU–ChCl hydrogel) developed using the free radical polymerization of acrylamide, integrating choline chloride(ChCl), EMIM TFSI ionic liquid, and waterborne polyurethane(WPU) to overcome existing constraints. The resultant hydrogel demonstrates a synergistic network of covalent and dynamic non-covalent connections, with remarkable stretchability(~900%), mechanical toughness(>250 kJ/m^(3)), and ionic conductivity(9.2 m S/cm at 600% strain). Comprehensive morphological and chemical analysis validated uniform structure, increased segmental ordering, and improved heat stability. The hydrogel exhibited swift strain responsiveness(gauge factor = 7.23), quick response/recovery times(~108/114 ms), exceptional durability over 500 cycles, and enhanced selfhealing and adherence to various surfaces. Into textiles, the composite demonstrated exceptional real-time touch and motion detection capabilities and retained sensing accuracy after 20 wash cycles. Code transmission and machine learningbased high-accuracy gesture recognition(93.65%) were examples of advanced uses. The wireless-enabled system demonstrated efficacy in IoT-based health monitoring, soft robotics, and human–machine interactions, representing a substantial advancement in next-generation wearable electronics.展开更多
基金This work was supported by the National Natural Science Foundation of China(U1866206).
文摘Grid structures are rapidly evolving in view of contemporary energy policies which ensure the addition of more renewable sources to reduce the carbon footprint.Compared to a centralized approach,low voltage grids(decentralized and distributed)are promising approaches to integrating nondispatchable renewable energy sources(RESs).Installing local micro level power generation sources such as fuel cells,microturbines,and energy storage systems are a recent trend which helps in the intermittent effects of RESs and makes microgrids less dependable on the main grid.Due to the increasing variety of distributed generation sources having diverse characteristics,power dispatch scheduling of distributed microgrids is becoming challenging.A dispatch scheduling solution from an operator’s point of view is presented by the authors.The core objective of this study is to minimize the carbon emissions and the cost of each microgrid.Further,it is observed that sales and purchases from the main grid are reduced.Consequently,transmission losses are also decreased.
文摘Flexible and perceptive sensors represent the pinnacle of wearable technology;nevertheless, most of the current hydrogel-based sensors encounter difficulties in concurrently achieving mechanical durability, biocompatibility, high sensitivity, and scalability. This work introduces an innovative multimodal hydrogel–textile composite sensor(WPU–ChCl hydrogel) developed using the free radical polymerization of acrylamide, integrating choline chloride(ChCl), EMIM TFSI ionic liquid, and waterborne polyurethane(WPU) to overcome existing constraints. The resultant hydrogel demonstrates a synergistic network of covalent and dynamic non-covalent connections, with remarkable stretchability(~900%), mechanical toughness(>250 kJ/m^(3)), and ionic conductivity(9.2 m S/cm at 600% strain). Comprehensive morphological and chemical analysis validated uniform structure, increased segmental ordering, and improved heat stability. The hydrogel exhibited swift strain responsiveness(gauge factor = 7.23), quick response/recovery times(~108/114 ms), exceptional durability over 500 cycles, and enhanced selfhealing and adherence to various surfaces. Into textiles, the composite demonstrated exceptional real-time touch and motion detection capabilities and retained sensing accuracy after 20 wash cycles. Code transmission and machine learningbased high-accuracy gesture recognition(93.65%) were examples of advanced uses. The wireless-enabled system demonstrated efficacy in IoT-based health monitoring, soft robotics, and human–machine interactions, representing a substantial advancement in next-generation wearable electronics.
