Oyke South African court rules in favor of renewables
China launched its first privately developed rocket from a launchpad in nor
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thwestern China on Thursday, state media said, the latest milestone in the country ambitious space exploration program.Since coming to office in 2012, Chinese President Xi Jinping has made becoming a 8220 pace flight superpower a top priority for the Chinese government, which has a goal of sending a permanent manned space station into orbit by around 2022.The launch of the Chongqing Liangjiang Star rocket, developed by OneSpace Technology, a Beijing-based private firm, marks the first time a non-state Chinese rocket has
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successfully entered orbit, the official Xinhua news agency said.The rocket is powered by a solid fuel engine developed by OneSpace and its control systems are customisable in accordance with user demand, the company chairman, Ma Chao, told Xinhua.Also known as the OS-XO, the craft can place a 100-kilogram load into orbit 800 kilometres from the earth, according to state media.The rocket uses energy-saving technology, such as wireless communications instead of wired internet that by cutting weight has helped lower fuel costs by abou
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t 30 percent, Xinhua said.Founded in 2015, OneSpace is the result of a government effort to foster China commercial space flight and encourage private participation in the sector, according to state media.The company expects 10 missions for carrier rockets in 2019, founder Shu Chang told the official China Daily Ahdy UK High Court orders nation to revise net zero strategy
A group of researchers from Lanzhou Jiaotong University in China has developed a maximum power point tracking MPPT technique based on an improved snake optimizer ISO algorithm.The ISO is a swarm-intelligence-based optimization algorithm proposed in 2022 to improve the typical shortcomings of the snake algorithm. The latter is inspired by the behavior of snakes searching for food sources. Its search mechanism is controlled with a fixed development probability, which the researchers said can affect the search accuracy and efficiency of the algorithm.The snake optimizer algorithm suffers from the problem of easily being trapped in a local optimum in the procedure of position updating, they also explained. The ISO algorithm is a new intelligent optimization algorithm that mimics the mating and reproduction of snakes. Each snake will try to find the best mate if it has sufficient amount of food and very low-temperature conditions.The proposed MPPT method can detect the o
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utp
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ut current and the output voltage of the system in real time and adjust the duty cycle of the boost circuit. Then, it achieves MPPT by c
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hanging the output voltage of the circuit.The novel approach was tested through a series of simulations with five different types of PV system configurations. The group assumed the system to operate under standard illumination conditions and at a temperature of 25 C.This analysis showed that the ISO algorithm achieved better convergence speed and
