|
|
|
|
|
Junjie Sun, Hao Zhu, Dajun Xu and Guobiao Cai
The mechanical expansion reentry vehicle has become the focus of deep space exploration because of its good deceleration effect and high stability. However, due to its special aerodynamic shape, its surface heat flux characteristics are different from tr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Gi-Won Shin, Jae-Hyeon Kim, Sun-Hee Lee, In-Young Bang, Ji-Hwan Kim, Yeon-Soo Park, Hee-Tae Kwon, Woo-Jae Kim and Gi-Ching Kwon
Upon reentering the Earth?s atmosphere from space, a reentry vehicle becomes enshrouded in an ionization layer. This layer is known as the reentry plasma sheath and is caused by aerodynamic heating. Owing to the oscillation of charged particles in the re...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jia Song, Xindi Tong, Xiaowei Xu and Kai Zhao
In this paper, a real-time reentry guidance law for hypersonic vehicles is presented to accomplish rapid, high-precision, robust, and reliable reentry flights by leveraging the Time to Vector (Time2vec) and transformer networks. First, referring to the t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jianying Wang, Yuanpei Wu, Ming Liu, Ming Yang and Haizhao Liang
Considering the high-efficient trajectory planning requirements for hypersonic vehicles, this paper proposes a real-time trajectory optimization method based on a deep neural network. First, the trajectory optimization model of the hypersonic vehicle ree...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jianlin Shi, Jinbo Wang, Linfeng Su, Zhenwei Ma and Hongbo Chen
The mission of spacecraft usually faces the problem of an unknown deep space environment, limited long-distance communication and complex environmental dynamics, which brings new challenges to the intelligence level and real-time performance of spacecraf...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kai Liu, Jili Zhang and Xinlu Guo
To improve the flexibility of the trajectory and the diversity of the drop point of the reentry vehicle, a flight capability assessment method based on a dynamics?informed neural network (DINN) is proposed. Firstly, the concept of a reachable domain is i...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaocui Yang, Kai Yuan, Yuhao Wang, Yiwen Liu and Jiawei Xiong
A large number of studies have confirmed that the wake region may be a more ideal antenna installation area for the reentry vehicle communication problem, but many practical issues such as how to choose the modulation mode, carrier frequency, and antenna...
ver más
|
|
|
|
|
|
|
|
|
|
|
Songyan Tian, Yanhui Duan and Hongbo Chen
To facilitate future Hypersonic Flight Vehicle (HFV) implementation with high maneuverability throughout its reentry trajectory, an Active Jets-Matrix (AJM) is designed to serve as the flapless pitch control surface. The AJM consists of four control grou...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xinglian Yang, Jingying Wang, Yue Zhou and Ke Sun
Accurate prediction of the aerothermal environment is of great significance to space exploration and return missions. The canonical Fire II trajectory points are simulated to investigate the radiative transfer in the shock layer for Earth reentry at hype...
ver más
|
|
|
|
|
|