Publications

Coe, R.G., Lee, J., Bacelli, G., Spencer, S.J., Dullea, K., Plueddemann, A.J., Buffitt, D., Reine, J., Peters, D., Spinneken, J., Hamilton, A., Sabet, S., Husain, S., Jenne, D., Korde, U., Muglia, M., Taylor, T., Wade, E., & Wade, E. (2023). Pioneer WEC concept design report. https://doi.org/10.2172/2280833

Coe, R.G., Leon-Quiroga, J.A., Bacelli, G., Spencer, S.J., Spinneken, J., Gallegos-Patterson, D., & Gallegos-Patterson, D. (2023). Hardware-in-the-loop testing of a hydraulic wave energy power take-off system. https://doi.org/10.2172/2280830

Slightam, J., McArthur, D., Spencer, S.J., Buerger, S., & Buerger, S. (2021). Passivity Analysis of Quadrotor Aircraft for Physical Interactions [Conference Presenation]. AIRPHARO 2021 - 1st AIRPHARO Workshop on Aerial Robotic Systems Physically Interacting with the Environment. https://doi.org/10.2172/1890596

Slightam, J., Buerger, S., McArthur, D., Spencer, S.J., & Spencer, S.J. (2021). Passivity Analysis of Quadrotor Aircraft for Phsyical Interactions [Conference Paper]. https://www.osti.gov/biblio/1884895

Seslar, I., Rittikaidachar, M., McCarthy, R., Fierro, R., Spencer, S.J., & Spencer, S.J. (2021). Fundamentals of Airborne Manipulation: Learning and Cooperation [Presentation]. https://www.osti.gov/biblio/1884143

Spencer, S.J. (2021). Unmanned Systems & Autonomy R&D at Sandia [Presentation]. https://www.osti.gov/biblio/1862907

Carr, S., Quattrociocchi, J., Bharadwaj, S., Spencer, S.J., Parikh, A.N., Young, C.C., Buerger, S., Wu, B., Topcu, U., & Topcu, U. (2021). Decentralized Classification with Assume-Guarantee Planning ∗ [Conference Paper]. IEEE International Conference on Intelligent Robots and Systems. https://doi.org/10.1109/IROS51168.2021.9636177

Coe, R.G., Bacelli, G., Forbush, D.D., Spencer, S.J., Dullea, K., Bosma, B., Lomonaco, P., & Lomonaco, P. (2020). FOSWEC dynamics and controls test report. https://doi.org/10.2172/1717884

Buerger, S., Hobart, C., Spencer, S.J., Kuehl, M., Mazumdar, A., Quigley, M., Smith, J., Bertrand, S., Pratt, J., & Pratt, J. (2020). Achieving Versatile Energy Efficiency With the WANDERER Biped Robot [Conference Poster]. https://www.osti.gov/biblio/1812444

Spencer, S.J., Parikh, A.N., McArthur, D., Young, C.C., Blada, T.J., Slightam, J., Buerger, S., & Buerger, S. (2020). Autonomous Detection and Assessment with Moving Sensors [Conference Poster]. https://www.osti.gov/biblio/1812281

Spencer, S.J., Parikh, A.N., Young, C.C., McArthur, D., Blada, T.J., Slightam, J., Buerger, S., & Buerger, S. (2020). Autonomous Detection and Assessment with Moving Sensors [Conference Poster]. https://www.osti.gov/biblio/1811821

Hobart, C., Mazumdar, A., Spencer, S.J., Quigley, M., Smith, J.P., Bertrand, S., Pratt, J., Kuehl, M., Buerger, S., & Buerger, S. (2020). Achieving Versatile Energy Efficiency with the WANDERER Biped Robot. IEEE Transactions on Robotics, 36(3), pp. 959-966. https://doi.org/10.1109/TRO.2020.2969017

Forbush, D.D., Coe, R.G., Bacelli, G., Spencer, S.J., & Spencer, S.J. (2020). A Self-Tuning WEC Controller For Changing Sea States [Conference Poster]. https://www.osti.gov/biblio/1782777

Forbush, D.D., Bacelli, G., Spencer, S.J., Coe, R.G., & Coe, R.G. (2020). A self-tuning WEC controller for changing sea states [Conference Poster]. IFAC-PapersOnLine. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85101911010&origin=inward

Coe, R.G., Bacelli, G., Spencer, S.J., Kjdulle, D., & Kjdulle, D. (2019). Advanced WEC Dynamics and Controls MASK3 Test. https://doi.org/10.2172/1592850

Spencer, S.J., Mazumdar, A., Buerger, S., Pratt, J., Bertrand, S., & Bertrand, S. (2019). Optimization of Adjustable Drivetrain Assistance Mechanisms for Efficient Robotic Bipeds. https://doi.org/10.2172/1592940

Tagliafierro, B., Crespo, A.J.C., Dominguez, J.M., Garcia-, G., Feal, O., Gomez-, G., Gesteira, M., Canelas, R.B., Coe, R.G., Bacelli, G., Cho, H., Spencer, S.J., Viccione, G., & Viccione, G. (2019). Numerical modelling of a point-absorbing WEC model using DualSPHysics coupled with a multiphysics library [Conference Poster]. https://www.osti.gov/biblio/1641428

Mazumdar, A., Su, J., Spencer, S.J., Buerger, S., & Buerger, S. (2019). Autonomous control of pneumatically-powered percussive drilling through highly layered formations [Conference Poster]. Proceedings of the American Control Conference. https://doi.org/10.23919/ACC.2019.8815280

Bacelli, G., Spencer, S.J., Patterson, D.C., Coe, R.G., & Coe, R.G. (2019). Wave tank and bench-top control testing of a wave energy converter. Applied Ocean Research, 86(C), pp. 351-366. https://doi.org/10.1016/j.apor.2018.09.009

Mazumdar, A., Su, J., Spencer, S.J., Buerger, S., & Buerger, S. (2019). Autonomous Control of Pneumatically-Powered Percussive Drilling Through Highly Layered Formations [Conference Poster]. https://doi.org/10.23919/ACC.2019.8815280

Coe, R.G., Bacelli, G., Spencer, S.J., Cho, H., & Cho, H. (2018). Initial results from wave tank test of closed-loop WEC control. https://doi.org/10.2172/1531328

Buerger, S., Mazumdar, A., Spencer, S.J., & Spencer, S.J. (2018). Energy Implications of Torque Feedback Control and Series Elastic Actuators for Mobile Robots [Conference Poster]. https://doi.org/10.1115/DSCC2018-9141

Bacelli, G., Spencer, S.J., Coe, R.G., & Coe, R.G. (2018). Efficient wave tank assessment of WEC performance [Conference Poster]. https://www.osti.gov/biblio/1527253

Bacelli, G., Spencer, S.J., Coe, R.G., & Coe, R.G. (2018). Efficient wave tank assessment of WEC performance [Conference Poster]. https://www.osti.gov/biblio/1506193

Buerger, S., Mazumdar, A., Spencer, S.J., & Spencer, S.J. (2018). Energy implications of torque feedback control and series elastic actuators for mobile robots [Conference Poster]. ASME 2018 Dynamic Systems and Control Conference, DSCC 2018. https://doi.org/10.1115/DSCC2018-9141

Spencer, S.J., Mazumdar, A., Su, J., Foris, A.J., Buerger, S., & Buerger, S. (2017). Estimation and control for efficient autonomous drilling through layered materials [Conference Poster]. Proceedings of the American Control Conference. https://doi.org/10.23919/ACC.2017.7962950

Spencer, S.J., Mazumdar, A., Su, J., Foris, A.J., Buerger, S., & Buerger, S. (2017). Estimation and control for efficient autonomous drilling through layered materials [Conference Poster]. Proceedings of the American Control Conference. https://doi.org/10.23919/ACC.2017.7962950

Mazumdar, A., Spencer, S.J., Hobart, C., Salton, J., Quigley, M., Wu, T., Bertrand, S., Pratt, J., Buerger, S., & Buerger, S. (2017). Parallel Elastic Elements Improve Energy Efficiency on the STEPPR Bipedal Walking Robot. IEEE/ASME Transactions on Mechatronics, 22(2), pp. 898-908. https://doi.org/10.1109/tmech.2016.2631170

Mazumdar, A., Spencer, S.J., Hobart, C., Dabling, J., Blada, T.J., Dullea, K., Kuehl, M., Buerger, S., & Buerger, S. (2017). Synthetic Fiber Capstan Drives for Highly Efficient, Torque Controlled, Robotic Applications. IEEE Robotics and Automation Letters, 2(2), pp. 554-561. https://doi.org/10.1109/LRA.2016.2646259

Buerger, S., Parikh, A.N., Spencer, S.J., Koch, M.W., & Koch, M.W. (2017). Rapid abstract perception to enable tactical unmanned system operations [Conference Poster]. Proceedings of SPIE - The International Society for Optical Engineering. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85025171127&origin=inward

Buerger, S., Parikh, A.N., Spencer, S.J., Koch, M.W., & Koch, M.W. (2017). Rapid abstract perception to enable tactical unmanned system operations [Conference Poster]. Proceedings of SPIE - The International Society for Optical Engineering. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85025171127&origin=inward

Mazumdar, A., Spencer, S.J., Hobart, C., Kuehl, M., Brunson, G., Coleman, N.M., Buerger, S., & Buerger, S. (2016). Improving Robotic Actuator Torque Density and Efficiency Through Enhanced Heat Transfer [Conference Poster]. https://doi.org/10.1115/DSCC2016-9738

Buerger, S., Spencer, S.J., Mazumdar, A., Su, J., Foris, A.J., & Foris, A.J. (2016). Estimation and Control for Efficient Autonomous Drilling through Layered Materials [Conference Poster]. https://www.osti.gov/biblio/1394047

Mazumdar, A., Spencer, S.J., Hobart, C., Buerger, S., & Buerger, S. (2016). Energy Efficient Mobile Systems: A Legged Robot Case Study [Presentation]. https://www.osti.gov/biblio/1390758

Mazumdar, A., Spencer, S.J., Hobart, C., Kuehl, M., Brunson, G., Coleman, N.M., Buerger, S., & Buerger, S. (2016). Improving robotic actuator torque density and efficiency through enhanced heat transfer [Conference Poster]. ASME 2016 Dynamic Systems and Control Conference, DSCC 2016. https://doi.org/10.1115/DSCC2016-9738

Jared, B.H., Tran, H., Saiz, D.J., Spencer, S.J., Wheeler, J.W., & Wheeler, J.W. (2016). Characterizing dimensional form, surface texture and feature resolution in additive manufacturing [Conference Poster]. Proceedings - ASPE 2016 Annual Meeting. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85009112294&origin=inward

Mazumdar, A., Spencer, S.J., Buerger, S., & Buerger, S. (2015). Efficient Bipedal Robots for Disaster Response [Conference Poster]. https://www.osti.gov/biblio/1334917

Mazumdar, A., Spencer, S.J., Salton, J., Hobart, C., Love, J.A., Dullea, K., Kuehl, M., Blada, T.J., Quigley, M., Smith, J., Bertrand, S., Pratt, J., Buerger, S., & Buerger, S. (2014). Using Parallel Stiffness to Achieve Improved Locomotive Efficiency with the Sandia STEPPR Robot [Conference Poster]. https://doi.org/10.1109/ICRA.2015.7139275