Small Lunar Exploration and Delivery System Concept

Cohanim, Babak E.; Harrison, Nicholas A.; Mosher, Todd; Heron, Jennifer; Davis, Kathryn E.; Hoffman, Jeffrey A.; Cunio, Phillip M.; Luis, Javier; Joyce, Michael

doi:10.2514/6.2009-6712

Cited by 10 publications

(3 citation statements)

References 2 publications

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“…These robots have a reversible main body and three firing legs that allow them to hop and avoid obstacles much larger than their own size. Moon hoppers are designed to recover from 495 falls and impacts, which are common with this method of maneuvering [24,25,26]. When utilizing moon hoppers, science equipment will be designed and mounted in a way that protects it from harsh conditions.…”

Section: Moon Hoppersmentioning

confidence: 99%

Advanced concept for a crewed mission to the martian moons

Conte

Carlo²,

Budzyń

et al. 2017

Acta Astronautica

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This version is available at https://strathprints.strath.ac.uk/61531/ Strathprints is designed to allow users to access the research output of the University of Strathclyde. Unless otherwise explicitly stated on the manuscript, Copyright © and Moral Rights for the papers on this site are retained by the individual authors and/or other copyright owners. Please check the manuscript for details of any other licences that may have been applied. You may not engage in further distribution of the material for any profitmaking activities or any commercial gain. You may freely distribute both the url (https://strathprints.strath.ac.uk/) and the content of this paper for research or private study, educational, or not-for-profit purposes without prior permission or charge.Any correspondence concerning this service should be sent to the Strathprints administrator: strathprints@strath.ac.ukThe Strathprints institutional repository (https://strathprints.strath.ac.uk) is a digital archive of University of Strathclyde research outputs. It has been developed to disseminate open access research outputs, expose data about those outputs, and enable the management and persistent access to Strathclyde's intellectual output. Advanced concept for a crewed mission to the Martian moons

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Section: Moon Hoppersmentioning

confidence: 99%

Advanced concept for a crewed mission to the martian moons

Conte

Carlo²,

Budzyń

et al. 2017

Acta Astronautica

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“…A novel concept for planetary surface mobility is to combine the platform for landing and mobility onto the same vehicle [1]. The same propulsion system used for initial landing can also provide the thrust required to lift the vehicle off the ground again and "hop" from one landing location to other points on the planetary surface.…”

Section: Introductionmentioning

confidence: 99%

Small lunar lander/hopper navigation analysis using linear covariance

Huxel

Cohanim

2010

2010 IEEE Aerospace Conference

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This paper 1,2 uses linear covariance analysis to investigate the expected navigation performance and corresponding parameter sensitivities for lunar landing and surface mobility (via "hopping"). The Draper Linear Covariance (LinCov) tool is a statistical simulation that approximates the state error covariance results of a sixdegree-of-freedom Monte Carlo simulation in a fraction of the time. This ability to quickly analyze navigation performance for a wide variety of sensor suite configurations given any landing or hopping trajectory allows for increased vehicle and mission design flexibility, as well as insight into sensor and vehicle cost, mass, and power sizing.

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“…Hoppers are a new class of robotic vehicle being developed for planetary surface mobility [1][2]. Hoppers use the same platform that lands on a planet's surface to provide mobility around that surface, utilizing the same sensors and actuators from landing to propulsively "hop" from one surface location to another.…”

Section: Introductionmentioning

confidence: 99%

Hazard detection for small robotic landers and hoppers

Cohanim

Hoffman

Brady

2013

2013 IEEE Aerospace Conference

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Planetary hoppers are a new class of vehicle being developed that will provide planetary surface mobility by reusing the landing platform and its actuators to propulsively ascend, translate, and descend to new landing points on the surface of a planetary body. Hoppers enhance regional exploration, with the capability of rapid traverse over 100s-1000s of meters, traverse over hazardous terrain, and exploration of cliffs and craters. These planetary mobility vehicles are fuel limited and as a result, are enabled by carrying sensor payloads that require low mass, low volume, and low on board computational resources. This paper describes a method for hoppers to traverse and land safely in this constrained environment. The method uses optical detection of shadows to provide coarse hazard detection at shallow path angles and long ranges. As a hopper approaches the landing site, a short-range range sensing method is used to determine the local slope and roughness just ahead of the vehicle's flight path. These two techniques are used together to safely land a hopper at downrange locations. The paper presents the method and provides analysis showing the performance and limitations of using this method for hopper traverse.

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Small Lunar Exploration and Delivery System Concept

Cited by 10 publications

References 2 publications

Advanced concept for a crewed mission to the martian moons

Advanced concept for a crewed mission to the martian moons

Small lunar lander/hopper navigation analysis using linear covariance

Hazard detection for small robotic landers and hoppers

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