阅读推荐

阅读是一件多么好的事情,它带给我们持久的愉悦感。它让我们与美好的东西相遇。最终,它将引领我们遇见一个更好的自己。阅读,让我们一起。     

READING

阅读是一件多么好的事情,它带给我们持久的愉悦感。它让我们与美好的东西相遇。最终,它将引领我们遇见一个更好的自己。阅读,让我们一起。     

阅读推荐

阅读是一件多么好的事情,它带给我们持久的愉悦感。它让我们与美好的东西相遇。最终,它将引领我们遇见一个更好的自己。阅读,让我们一起。     

阅读推荐

阅读是件多么好的事情,它带给我们持久的愉悦感。它让我们与美好的东西相遇。最终,它将引领我们遇见一个更好的自己。阅读,让我们一起。     

阅读推荐

阅读是一件多么好的事情,它带给我们持久的愉悦感。它让我们与美好的东西相遇。最终,它将引领我们遇见一个更好的自己。阅读,让我们一起。     

阅读推荐

阅读是一件多么好的事情,它带给我们持久的愉悦感。它让我们与美好的东西相遇。最终,它将引领我们遇见一个更好的自己。阅读,让我们一起。     

阅读推荐

阅读是一件多么好的事情,它带给我们持久的愉悦感。它让我们与美好的东西相遇。最终,它将引领我们遇见一个更好的自己。阅读,让我们一起。     

阅读推荐

阅读是一件多么好的事情,它带给我们持久的愉悦感。它让我们与美好的东西相遇。最终,它将引领我们遇见一个更好的自己。阅读,让我们一起。     

READING

阅读是一件多么好的事情,它带给我们持久的愉悦感。它让我们与美好的东西相遇。最终,它将引领我们遇见一个更好的自己。阅读,让我们一起。     

阅读推荐

<正>阅读是一件多么好的事情,它带给我们持久的愉悦感。它让我们与美好的东西相遇。最终,它将引领我们遇见一个更好的自己。阅读,让我们一起。《边城》沈从文著《边城》是沈从文的代表作,它以20世纪30年代川湘交界的边城小镇茶峒为背景,以兼具抒情诗和小品文的优美笔触,描绘     

Adaptive event-triggered distributed optimal guidance design via adaptive dynamic programming

In this paper, the multi-missile cooperative guidance system is formulated as a general nonlinear multi-agent system. To save the limited communication resources, an adaptive eventtriggered optimal guidance law is proposed by designing a synchronization-error-driven triggering condition, which brings together the consensus control with Adaptive Dynamic Programming(ADP) technique. Then, the developed event-triggered distributed control law can be employed by finding an approximate solution of eve...     

阅读推荐

正阅读是一件多么好的事情,它带给我们持久的愉悦感。它让我们与美好的东西相遇。最终,它将引领我们遇见一个更好的自己。阅读,让我们一起。《平凡的世界》路遥著《平凡的世界》是一部全景式描写中国当代城乡生活的长篇小说,获得中国第三届茅盾文学奖。这部小说是激励千万青年的不朽经典,当时还未完成,即在中央人民电台广播,产生了广泛而深刻的社会影响。作者在近十年的广阔背景上,通过复杂     

An aircraft brake control algorithm with torque compensation based on RBF neural network

The wheel brake system of an aircraft is the key to ensure its safe landing and rejected takeoff. A wheel’s slip state is determined by the brake torque and ground adhesion torque, both of which have a large degree of uncertainty. It is this nature that brings upon the challenge of obtaining high deceleration rate for aircraft brake control. To overcome the disturbances caused by the above uncertainties, a braking control law is designed, which consists of two parts: runway surface recognition a...     

阅读推荐

<正>阅读是一件多么好的事情,它带给我们持久的愉悦感。它让我们与美好的东西相遇。最终,它将引领我们遇见一个更好的自己。阅读,让我们一起。《眠》村上春树著村上春树觉醒之作,写作《眠》前,村上春树四十岁,遭遇写作与人生低潮,心逐渐变硬变冷。他到希腊与土耳其旅行一个月,来年春天,心中的冻结渐渐变得柔软,几乎一气呵成写下这个故事。《眠》写出人极端状态下的"极端发现",有卡夫卡的荒诞,又     

阅读推荐

正阅读是一件多么好的事情,它带给我们持久的愉悦感。它让我们与美好的东西相遇。最终,它将引领我们遇见一个更好的自己。阅读,让我们一起。供给侧结构性改革作为中国转型时期的重要举措,是适应和引领经济发展新常态的重大创新,将对中国结构性、体制性问题产生决定性影响。中国经济未来是涨还是跌?涨或跌的持续时间是长还是短?涨或跌的坡度是陡峭还是平缓?顶点或底部可能在何处?需要作艰深而复杂的分析。供给侧改     

Deep-reinforcement-learning-based UAV autonomous navigation and collision avoidance in unknown environments

In some military application scenarios, Unmanned Aerial Vehicles(UAVs) need to perform missions with the assistance of on-board cameras when radar is not available and communication is interrupted, which brings challenges for UAV autonomous navigation and collision avoidance. In this paper, an improved deep-reinforcement-learning algorithm, Deep Q-Network with a Faster R-CNN model and a Data Deposit Mechanism(FRDDM-DQN), is proposed. A Faster R-CNN model(FR) is introduced and optimized to obtain...     

Cooperative game penetration guidance for multiple hypersonic vehicles under safety critical framework

The rapid development of the anti-missile weapon technology brings new challenges to the cooperative penetration strategy solution and the guidance law design for Hypersonic Vehicles(HVs). This paper studies the coordinated game penetration guidance problem for multiple hypersonic vehicles faced with space threat areas. A scheme for seeking cooperative game penetration guidance strategy under safety critical control framework is presented. In this scheme, a multiHV cooperative game model is prop...     

Full mode flight dynamics modelling and control of stopped-rotor UAV

The Stopped-Rotor(SR) UAV combines the advantages of vertical take-off and landing of helicopter and high-speed cruise of fixed-wing aircraft. At the same time, it also has a unique aerodynamic layout, which leads to great differences in the control and aerodynamic characteristics of various flight modes, and brings great challenges to the flight dynamics modelling and control in full-mode flight. In this paper, the flight dynamics modelling and control method of SR UAV in full-mode flight is st...     

A novel autonomous self-assembly distributed swarm flying robot

Swarm intelligence embodied by many species such as ants and bees has inspired scholars in swarm robotic researches. This paper presents a novel autonomous self-assembly distributed swarm flying robot-DSFR, which can drive on the ground, autonomously accomplish self-assembly and then fly in the air coordinately. Mechanical and electrical designs of a DSFR module, as well as the kinematics and dynamics analysis, are specifically investigated. Meanwhile, this paper brings forward a generalized adjacency matrix to describe configurations of DSFR structures. Also, the distributed flight control model is established for vertical taking-off and horizontal hovering, which can be applied to control of DSFR systems with arbitrary configurations. Finally, some experiments are carried out to testify and validate the DSFR design, the autonomous self-assembly strategy and the distributed flight control laws.