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Control laws development for a free-flying unmanned robotic system to support interplanetary bodies prospecting and characterization missions

Control laws development for a free-flying unmanned robotic ...

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AIAA Guidance, Navigation, and Control Conference, 2016

作者： Perez, Andres E. Moncayo, Hever Prazenica, Richard J. Zacny, Kris Mueller, Robert P. Ebert, Tom Dupuis, Michael Flight Dynamics and Control Research Laboratory Embry-Riddle Aeronautical University Daytona BeachFL32114 United States Aerospace Engineering Department Embry-Riddle Aeronautical University Daytona BeachFL32114 United States Exploration Technology Group Honneybee Robotics Company CA United States Exploration Research and Technology Programs Science and Technology Projects Division NASA Kennedy Space Center FL United States Autonomous Flight Systems Lead Testing and Design Branch NASA Kennedy Space Center FL United States Robotics and Autonomous Systems Testing and Design Branch NASA Kennedy Space Center FL United States

ISBN: (数字)9781624103896

ISBN: (纸本)9781624103896

In situ Resource Utilization (ISRU) facilitates planetary exploration by drawing needed resources, such as water, from the local environment. However, the extreme nature of these environments require the development of advanced unmanned space systems integrated with sample-capture devices to achieve the ultimate goal of prospecting these resources. This paper presents the design, development and Hardware-in-the-Loop (HIL) simulation testing of guidance and tracking control laws for an autonomous small marsupial free-flyer prospector system. The control laws are based on an extended non-linear dynamic inversion (NLDI) approach and its implementation is illustrated through HIL simulation using a mathematical model of an autonomous vehicle research platform developed by NASA Kennedy Space Center. This vehicle has been designed to support the development, testing and validation of algorithms for safe, reliable, and scalable control space missions with minimal need for human intervention in complex, unstructured environments. The main objective of the control laws is to minimize 3-axis distances with respect to a desired trajectory and maintain stability and adequate performance in the presence of uncertainties. The performance of the control laws is evaluated during autonomous flight in terms of trajectory tracking errors, real-time execution on board the flight computer, and control activity at nominal and dynamically-changing conditions. The results show that for all mission cases investigated the control laws approach has desirable capabilities and is reliable for in-flight testing operation as a next step towards the validation and verification of this configuration. © 2016, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.

关键词： Hardware-in-the-loop simulation

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Spacecraft heath monitoring using a biomimetic fault diagnosis scheme

Spacecraft heath monitoring using a biomimetic fault diagnos...

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AIAA Information systems-Infotech At Aerospace Conference, 2017

作者： Garcia, Diego F. Perez, Andres E. Moncayo, Hever Rivera, Karina Du Puis, Michael Mueller, Robert P. Department of Aerospace Engineering Flight Dynamics and Control Research Laboratory Embry-Riddle Aeronautical University United States Robotics and Autonomous Systems Testing and Design Branch NASA Kennedy Space Center Swamp Works Laboratory United States Science and Technology Projects Division NASA Kennedy Space Center Swamp Works Laboratory United States

ISBN: (纸本)9781624104497

This paper presents the design, development and implementation of a bio-inspired fault diagnosis scheme applied to a cold gas based spacecraft prototype. The proposed framework relies on the Artificial Immune System metaphor (AIS) with the goal of monitoring the health of the spacecraft by detecting subsystem upset conditions such as actuator malfunctions. A non-linear dynamic inversion (NLDI) baseline controller has been developed and implemented for attitude control of the spacecraft. The performance of the proposed health monitoring scheme is determined by analyzing the system response under different actuator failures and the results show acceptable performance in terms of high detection rate and low false alarms. The application of this artificial intelligent based scheme to aerospace systems will provide a high impact on space exploration by increasing mission protection and performance. © 2017, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.

关键词： Attitude control

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Spacecraft heath monitoring using a biomimetic fault diagnosis scheme

Spacecraft heath monitoring using a biomimetic fault diagnos...

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作者： Garcia, Diego F. Perez, Andres E. Moncayo, Hever Rivera, Karina Betancur, Yomary DuPuis, Michael Mueller, Robert P. Department of Aerospace Engineering Flight Dynamics and Control Research Laboratory Embry-Riddle Aeronautical University Daytona BeachFL United States Research Engineer Robotics and Autonomous Systems Testing and Design Branch Swamp Works Laboratory United States Senior Technologist Exploration Research and Technology Programs Science and Technology Projects Division United States

This paper presents the design, development, and implementation of a bioinspired fault diagnosis scheme applied to a cold gas-based spacecraft *** proposed framework relies on the artificialimmune system metaphor with the goal of monitoring the health of the spacecraft by detecting subsystem upset conditions such as actuator *** dynamic inversion baseline controller with adaptation capabilities has been developed and implemented for attitude control of the spacecraft. The performance of the proposed health-monitoring scheme is determined by analyzing the system response under different actuator failures while the spacecraft is operated with and without adaptive augmentation. In both cases, the results show acceptable performance in terms of high detection activity and low false alarms with real-Time capabilities. The application of this artificial intelligence-based scheme to aerospace systems will provide a high impact on space exploration by increasing mission protection and performance. © 2018 by H. Moncayo. Published by the American Institute of Aeronautics and Astronautics.

关键词： Attitude control

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