Order comes first in legal values,while laws should maintain the consistency and stability of order.The proposed China's environmental code(Code)shall restate the prevailing environmental legal norms and optimize ...Order comes first in legal values,while laws should maintain the consistency and stability of order.The proposed China's environmental code(Code)shall restate the prevailing environmental legal norms and optimize the prevailing environmental legal order.From the perspective of stabilizing the legal order,common regulations of General Part of the Code should connect with the constitution and the prevailing environmental laws,determine the legal values of the Code-governing environment,and provide the foundation and basic framework for each subsequent part of the Code.Therefore,common regulations of the Code should recognize and support the constitution order and bolster the emerging eco-environment legal order relating to the eco-civilization construction.They should be coherent,value-orientated,and independent,inheriting the general framework of the prevailing Environmental Protection Law of the People's Republic of China(PRC)and other specific environmental laws,and developing the applicable norms.Specifically,consistently with the legislative purposes,the Code common regulations should recognize the objectives of construction of eco-civilization and pursuit of social,economic and ecological sustainable development,and this pursuit should be carried out based on the basic principles;the application scope of"ecological environment"should be redefined in order to maintain the ecological value and overall ecological order;the clause on basic environmental obligations and the clause on citizens'environmental rights should be defined with the national environmental protection obligations as the main thread and the multi-player legal relationship as the framework;and the national environmental protection obligations should be preliminarily delivered with three clauses:national environmental protection financial support,environmental publicity and education,and global environmental governance.展开更多
针对直流调速系统中滑模控制容易引起稳态误差的问题,设计了一种改进型分数阶滑模控制(Fractional order sliding mode control,FOSMC)。通过对直流调速系统的一阶数学模型求导,建立了系统的二阶数学模型,将分数阶微积分理论引入到滑模...针对直流调速系统中滑模控制容易引起稳态误差的问题,设计了一种改进型分数阶滑模控制(Fractional order sliding mode control,FOSMC)。通过对直流调速系统的一阶数学模型求导,建立了系统的二阶数学模型,将分数阶微积分理论引入到滑模切换函数中,结合指数趋近律和系统二阶数学模型,设计了分数阶滑模控制器,并在控制器的输出端串联积分环节,得到系统的控制信号,最后利用李雅普诺夫稳定性理论和分数阶微积分理论进行了稳定性分析。仿真和实验表明,本文方法不仅能够有效消除系统受干扰时产生的稳态误差,而且可以削弱系统抖振现象。展开更多
文摘Order comes first in legal values,while laws should maintain the consistency and stability of order.The proposed China's environmental code(Code)shall restate the prevailing environmental legal norms and optimize the prevailing environmental legal order.From the perspective of stabilizing the legal order,common regulations of General Part of the Code should connect with the constitution and the prevailing environmental laws,determine the legal values of the Code-governing environment,and provide the foundation and basic framework for each subsequent part of the Code.Therefore,common regulations of the Code should recognize and support the constitution order and bolster the emerging eco-environment legal order relating to the eco-civilization construction.They should be coherent,value-orientated,and independent,inheriting the general framework of the prevailing Environmental Protection Law of the People's Republic of China(PRC)and other specific environmental laws,and developing the applicable norms.Specifically,consistently with the legislative purposes,the Code common regulations should recognize the objectives of construction of eco-civilization and pursuit of social,economic and ecological sustainable development,and this pursuit should be carried out based on the basic principles;the application scope of"ecological environment"should be redefined in order to maintain the ecological value and overall ecological order;the clause on basic environmental obligations and the clause on citizens'environmental rights should be defined with the national environmental protection obligations as the main thread and the multi-player legal relationship as the framework;and the national environmental protection obligations should be preliminarily delivered with three clauses:national environmental protection financial support,environmental publicity and education,and global environmental governance.
文摘针对直流调速系统中滑模控制容易引起稳态误差的问题,设计了一种改进型分数阶滑模控制(Fractional order sliding mode control,FOSMC)。通过对直流调速系统的一阶数学模型求导,建立了系统的二阶数学模型,将分数阶微积分理论引入到滑模切换函数中,结合指数趋近律和系统二阶数学模型,设计了分数阶滑模控制器,并在控制器的输出端串联积分环节,得到系统的控制信号,最后利用李雅普诺夫稳定性理论和分数阶微积分理论进行了稳定性分析。仿真和实验表明,本文方法不仅能够有效消除系统受干扰时产生的稳态误差,而且可以削弱系统抖振现象。
