The test results of the Shanghai Science and Technology Commission authorized by the Ministry of Science and Technology, the research results of the national "863 Program" key projects jointly undertaken by the PLA Information Engineering University, Fudan University, Zhejiang University and the Institute of Information Engineering of the Chinese Academy of Sciences The mimetic defense theory and core method have recently passed verification, and the evaluation results are in complete agreement with the theoretical expectations. This indicates that China has made major theoretical and methodological innovations in the field of cyber defense, which will break the strategic pattern of cyberspace “easy to attack and defend†and change the rules of cybersecurity games.
Mimicry refers to a phenomenon in which a creature simulates another organism or environment. In 2008, Li Jiangxing, an academician of the Chinese Academy of Engineering, was inspired by the pattern and behavior of striped octopus that could imitate more than a dozen marine organisms, and proposed the idea of ​​developing a mimetic computer. With the joint support of the Ministry of Science and Technology and Shanghai, the prototype of the mimetic calculation principle was successfully selected and selected as “2013 China's Top Ten Scientific and Technological Progressâ€. On this basis, the R&D team carried out research on active defense theory based on mimic camouflage for major security issues such as cyberspace uncertainty threats and made major breakthroughs. The proposed “dynamic heterogeneous redundancy architecture†can be based on unknowns. The uncertainty threat of the backdoor of the vulnerability or the known unknown risk becomes a very small probability event.
Since January 2016, a joint test and verification team consisting of 9 authoritative evaluation agencies in China has conducted a six-month verification test on the mimicry defense principle verification system. 21 academicians and more than 110 experts have participated in different stages. Evaluation work. According to the evaluation opinion of the “Mixed Defense Principle Verification System†issued by the Evaluation Expert Committee, the mimicry defense mechanism can independently and effectively respond to or defend against known or uncertain threats based on loopholes and backdoors. The system under test achieves the expectation of mimicry defense theory, and makes it possible to realize the controllable information system by using the "toxic and toxic" components, and it is subversive for the "seller market" offensive strategy based on "backdoor engineering and concealed loopholes".
Qi Jiangxing said that China is one of the countries most suffering from cyber attacks. According to the data of the National Internet Emergency Center, in the sample monitoring in 2015 alone, there were more than 19.78 million mainframes in China controlled by more than 105,000 Trojans and botnet control terminals. Because the existing network defense system adopts the "acquired immunity" mechanism, the "dead sheep" can be "reinforced" by patching and sealing the door, and it is almost impossible for cyber attacks that cannot be perceived and recognized. Fortification, and mimetic defense theories and methods can effectively deal with these problems.
Yan Jiangxing also said that the theory and method of cyberspace mimicry defense is the common wealth of all mankind. Chinese scientists are willing to share this technology with the world and contribute to building a community of cyberspace destiny.
The main function of the Solar Charge Controller is to manage the charging and discharging process between the Solar Panel and the battery in the solar power generation system. Its main function is to protect the battery from overcharge and over-discharge damage, ensure battery charging efficiency, and stabilize the operation of the solar power generation system.
Main effect:
Charge control: The solar charge controller controls the charging process by monitoring the voltage and current generated by the solar panel to ensure that the battery is charged at the appropriate voltage and current to extend the battery life.
Overcharge protection: The solar charge controller can monitor the charging status of the battery, and when the battery is fully charged, it will automatically stop charging to avoid battery damage caused by overcharging.
Over-discharge protection: The solar charge controller can monitor the discharge state of the battery. When the battery power is lower than a certain level, it will automatically stop discharging to avoid battery damage caused by over-discharge.
Differences from other charge controllers:
The solar charge controller is a charge controller specially designed for solar power generation systems, the main differences are as follows:
Applicable Energy: The solar charge controller is suitable for solar power generation systems, mainly used to manage the charging and discharging process between solar panels and batteries. While other charge controllers may be suitable for different energy generation systems, such as wind energy, hydro energy, etc.
Charging characteristics: The solar charge controller is optimized for the characteristics of the solar panel, and can control the charging process according to the output power and voltage characteristics of the solar panel. Other charge controllers may be optimized for different types of energy generation characteristics.
Protection function: Solar charge controllers usually have overcharge protection and over-discharge protection functions to ensure the safe charging and discharging of batteries. Other charge controllers may have different protection functions, depending on the needs of the application scenario.
Overall, the main role of the solar charge controller is to manage the charging and discharging process in the solar power generation system, protect the battery from damage, and stabilize the system's operation. Compared with other charge controllers, it is optimized for the characteristics of solar power generation systems and has unique functions such as overcharge protection and over-discharge protection to meet the needs of solar power generation systems.
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