Enabling technologies for Chinese Mars lander guidance system

Jiang, Xiuqiang; Li, Shuang

doi:10.1016/j.actaastro.2016.10.035

Cited by 19 publications

(15 citation statements)

References 25 publications

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“…The configuration of the Mars lander is similar to China's lunar lander, Chang'e-3 [8]. As shown in Fig.…”

Section: ) Landermentioning

confidence: 71%

“…(4) Rover Similar to the configuration of China's first lunar rover, Yutu [8], China's first Mars rover is designed as shown in Fig. 5.…”

Section: ) Landermentioning

confidence: 99%

“…The main functions of the orbiter include the following [4]: (1) Complete the Earth-Mars transfer and brake at the Mars periapsis position with the lander and rover onboard; (2) implement scientific circum-Mars exploration after releasing the lander and rover in the Mars orbit; and (3) provide a data relay for the Mars lander and rover. (2) Entry capsule China's first Mars entry capsule is designed to carry both the lander and rover to allow them to pass through the Mars atmosphere [4,8]. The entry capsule consists of a heating shield, a back fairing, a parachute module, and related sensors and apparatus.…”

Section: Mars Probe Architecturementioning

confidence: 99%

“…The main functions of the lander include the following [4,8]: (1) To realize safe landing on the Martian surface; (2) to implement in situ scientific exploration; and (3) to carry and release a Mars rover for surface roaming exploration.…”

Section: ) Landermentioning

confidence: 99%

“…Due to the long transmission delay, a high-level autonomous control capacity of the rover is essential. The orbiter and rover are planned to work for at least 1 Martian year (i.e., 2 Earth years) and 3 months (i.e., ∼92 Earth days), respectively [4,8].…”

Section: ) Landermentioning

confidence: 99%

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Overview of China’s 2020 Mars mission design and navigation

Jiang

Yang

2017

Astrodyn

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Scheduled for an Earth-to-Mars launch opportunity in 2020, the China's Mars probe will arrive on Mars in 2021 with the primary objective of injecting an orbiter and placing a lander and a rover on the surface of the Red Planet. For China's 2020 Mars exploration mission to achieve success, many key technologies must be realized. In this paper, China's 2020 Mars mission and the spacecraft architecture are first introduced. Then, the preliminary launch opportunity, Earth-Mars transfer, Mars capture, and mission orbits are described. Finally, the main navigation schemes are summarized. KEYWORDS China'sMars exploration mission orbiting, landing, and roaming orbit design navigation schemeReview Article

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“…The configuration of the Mars lander is similar to China's lunar lander, Chang'e-3 [8]. As shown in Fig.…”

Section: ) Landermentioning

confidence: 71%

“…(4) Rover Similar to the configuration of China's first lunar rover, Yutu [8], China's first Mars rover is designed as shown in Fig. 5.…”

Section: ) Landermentioning

confidence: 99%

Section: Mars Probe Architecturementioning

confidence: 99%

Section: ) Landermentioning

confidence: 99%

Section: ) Landermentioning

confidence: 99%

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Overview of China’s 2020 Mars mission design and navigation

Jiang

Yang

2017

Astrodyn

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Mars powered descent phase guidance law based on reinforcement learning for collision avoidance

Zhang

Zeng

Guo

et al. 2023

Intl J Robust & Nonlinear

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SummaryThis paper proposes a reinforcement learning‐based guidance law for Mars powered descent phase, which is an effective online calculation method that handles the nonlinearity caused by the mass variation and avoids collisions. The reinforcement learning method is designed to solve the constrained nonlinear optimization problem by using a critic neural network. Specifically, to cope with the position constraint (i.e., glide‐slope constraint) and the thrust force limit constraint, a modified cost function is proposed, and the associated Hamilton‐Jacobi‐Bellman equation is solved online without using an actor neural network, which significantly reduces the computational burden. The convergence of the critic neural network is proven. Simulation results show the effectiveness of the proposed method.

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Probability-based hazard avoidance guidance for planetary landing

Cui

et al. 2018

Acta Astronautica

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Enabling technologies for Chinese Mars lander guidance system

Cited by 19 publications

References 25 publications

Overview of China’s 2020 Mars mission design and navigation

Overview of China’s 2020 Mars mission design and navigation

Mars powered descent phase guidance law based on reinforcement learning for collision avoidance

Probability-based hazard avoidance guidance for planetary landing

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