Journal Publications

2022

• Liu Y, Chernousko F, Terry B, Páez Chávez J. (2022) Editorial – Special issue on self-propelled robots: from theory to applications, Meccanica, DOI:10.1007/s11012-022-01631-4.
• Liu Y, Tian J, Guo B, Prasad S. (2022) Chapter 10 Modeling of capsule-intestine contact, Endorobotics, 241-255, DOI:10.1016/b978-0-12-821750-4.00010-4.
• Yan Y, Tian J, Zhang J, Zhang B, Ley E, Liu Y, Prasad S. (2022) Evaluating the resistant force of an endoscopic capsule self-propelling in the small intestine, Archive of Applied Mechanics, DOI:10.1007/s00419-022-02267-2.
• Yin S, Yan Y, Páez Chávez J, Liu Y. (2022) Bifurcation analysis of a vibro-impacting capsule robot in contact with a circular fold, Physica D: Nonlinear Phenomena, pages 133524-133524, article no. 133524, DOI:10.1016/j.physd.2022.133524.
• Wang G, Ma D, Liu Y, Liu C. (2022) Research progress of contact force models in the collision mechanics of multibody system, Chinese Journal of Theoretical and Applied Mechanics, volume 54, pages 1-28, DOI:10.6052/0459-1879-22-266.
• Zhang J, Tian J, Zhu D, Liu Y, Prasad S. (2022) Design and experimental investigation of a vibro-impact self-propelled capsule robot with orientation control, 2022 International Conference on Robotics and Automation (ICRA), DOI:10.1109/icra46639.2022.9812117.
• Afebu KO, Liu Y, Papatheou E. (2022) Machine learning-based rock characterisation models for rotary-percussive drilling, Nonlinear Dynamics, volume 109, pages 1-21, DOI:10.1007/s11071-022-07565-6.
• Zhang J, Liu Y, Zhu D, Prasad S, Liu C. (2022) Simulation and experimental studies of a vibro-impact capsule system driven by an external magnetic field, Nonlinear Dynamics, volume 109, no. 3, pages 1501-1516, DOI:10.1007/s11071-022-07539-8.
• Zhang L-P, Liu Y, Wei Z-C, Jiang H-B, Lyu W-P, Bi Q-S. (2022) Extremely hidden multi-stability in a class of two-dimensional maps with a cosine memristor, Chinese Physics B, DOI:10.1088/1674-1056/ac7294.
• Yan Y, Zhang B, Liu Y, Prasad S. (2022) Dynamics of a vibro-impact self-propelled capsule encountering a circular fold in the small intestine, Meccanica, DOI:10.1007/s11012-022-01528-2.
• Wang G, Liu C, Liu Y. (2022) Energy Dissipation Analysis for Elastoplastic Contact and Dynamic Dashpot Models, International Journal of Mechanical Sciences, pages 107214-107214, article no. 107214, DOI:10.1016/j.ijmecsci.2022.107214.
• Zhang J, Tian J, Zhu D, Liu Y, Prasad S. (2022) Design and experimental investigation of a vibro-impact self-propelled capsule robot with orientation control. [PDF]
• Liao M, Zhang J, Liu Y, Zhu D. (2022) Speed optimization and reliability analysis of a self-propelled capsule robot moving in an uncertain frictional environment, International Journal of Mechanical Sciences, volume 221, pages 107156-107156, article no. 107156, DOI:10.1016/j.ijmecsci.2022.107156.
• Zhang L, Liu Y, Wei Z, Jiang H, Bi Q. (2022) Hidden attractors in a class of two-dimensional rational memristive maps with no fixed points, European Physical Journal: Special Topics, volume 231, no. 11-12, pages 2173-2182, DOI:10.1140/epjs/s11734-022-00483-z.
• Liu Y, Tian J, Manfredi L, Terry B, Prasad S, Rahman I, Marlicz W, Koulaouzidis A. (2022) A survey of small bowel modelling and its applications for capsule endoscopy, Mechatronics, volume 83, pages 102748-102748, DOI:10.1016/j.mechatronics.2022.102748. [PDF]
• Afebu K, Liu Y, Papatheou E. (2022) Feature-based intelligent models for optimisation of percussive drilling, Neural Networks, volume 148, pages 266-284, DOI:10.1016/j.neunet.2022.01.021. [PDF]
• Liu Y, Tian J, Guo B, Prasad S. (2022) Modeling of capsule-intestine contact, Endorobotics Design, R&D and Future Trends, Academic Press.
• Zhang Z. (2022) Control of Coexisting Attractors in Nonsmooth Dynamical Systems. PhD thesis, University of Exeter [PDF]

2021

• Zhang Z, Páez Chávez J, Sieber J, Liu Y. (2021) Controlling coexisting attractors of a class of non-autonomous dynamical systems, Physica D: Nonlinear Phenomena, volume 431, DOI:10.1016/j.physd.2021.133134. [PDF]
• Zhang L-P, Liu Y, Wei Z-C, Jiang H-B, Bi Q-S. (2021) A new class of two-dimensional rational maps with self-excited and hidden attractors, Chinese Physics B, DOI:10.1088/1674-1056/ac4025. [PDF]
• Liu Y, Páez Chávez J, Brzeski P, Perlikowski P. (2021) Dynamical response of a rocking rigid block, Chaos: An Interdisciplinary Journal of Nonlinear Science, volume 31, no. 7, pages 073136-073136, DOI:10.1063/5.0040962. [PDF]
• Tian J, Liu Y, Chen J, Guo B, Prasad S. (2021) Finite element analysis of a self-propelled capsule robot moving in the small intestine, International Journal of Mechanical Sciences, volume 206, pages 106621-106621, article no. 106621, DOI:10.1016/j.ijmecsci.2021.106621. [PDF]
• Guo B, Páez Chávez J, Liu Y, Caishan L. (2021) Discontinuity-induced bifurcations in a piecewise-smooth capsule system with bidirectional drifts, Communications in Nonlinear Science and Numerical Simulation, volume 102, pages 105909-105909, DOI:10.1016/j.cnsns.2021.105909. [PDF]
• Zhang Z, Páez Chávez J, Sieber J, Liu Y. (2021) Controlling grazing-induced multistability in a piecewise-smooth impacting system via the time-delayed feedback control, Nonlinear Dynamics, DOI:10.1007/s11071-021-06511-2. [PDF]
• Afebu KO, Liu Y, Papatheou E. (2021) Application and comparison of feature-based classification models for multistable impact motions of percussive drilling, Journal of Sound and Vibration, volume 508, pages 116205-116205, article no. 116205, DOI:10.1016/j.jsv.2021.116205. [PDF]
• Afebu K, Liu Y, Papatheou E, Guo B. (2021) LSTM-based approach for predicting periodic motions of an impacting system via transient dynamics, Neural Networks, volume 140, pages 49-64, DOI:10.1016/j.neunet.2021.02.027. [PDF]
• Zhang L, Jiang H, Liu Y, Wei Z, Bi Q. (2021) Controlling hidden dynamics and multi-stability of a class of two-dimensional maps via linear augmentation, International Journal of Bifurcation and Chaos, volume 31, pages 2150047-2150047, DOI:10.1142/S0218127421500474. [PDF]

2020

• Liu Y, Páez Chávez J, Zhang J, Tian J, Guo B, Prasad S. (2020) The vibro-impact capsule system in millimetre scale: numerical optimisation and experimental verification, Meccanica, DOI:10.1007/s11012-020-01237-8. [PDF]
• Guo B, Ley E, Tian J, Zhang J, Liu Y, Prasad S. (2020) Experimental and numerical studies of intestinal frictions for propulsive force optimisation of a vibro-impact capsule system, Nonlinear Dynamics, volume 101, no. 1, pages 65-83, DOI:10.1007/s11071-020-05767-4. [PDF]
• Huang K, Yang Y, Liu Y, Niu Q. (2020) Vibration failure and anti-vibration analysis of an annular-grooved PDC bit, Engineering Failure Analysis, volume 115, pages 104658-104658, article no. 104658, DOI:10.1016/j.engfailanal.2020.104658. [PDF]
• Huang K, Yang Y, Liu Y, Zhong Y, Ren H. (2020) Study on rock breaking mechanism of PDC bit with rotating module, Journal of Petroleum Science and Engineering, volume 192, DOI:10.1016/j.petrol.2020.107312. [PDF]
• Liu Y, Páez Chávez J, Guo B, Birler R. (2020) Bifurcation analysis of a vibro-impact experimental rig with two-sided constraint, Meccanica, DOI:10.1007/s11012-020-01168-4. [PDF]
• Zhang L-P, Liu Y, Wei Z-C, Jiang H-B, Bi Q-S. (2020) A novel class of two-dimensional chaotic maps with infinitely many coexisting attractors, Chinese Physics B, volume 29, no. 6, pages 060501-060501, DOI:10.1088/1674-1056/ab8626. [PDF]
• Zhang Z, Liu Y, Sieber J. (2020) Calculating the Lyapunov exponents of a piecewise-smooth soft impacting system with a time-delayed feedback controller, Communications in Nonlinear Science and Numerical Simulation, volume 91, pages 105451-105451, article no. 105451, DOI:10.1016/j.cnsns.2020.105451.
• Guo B, Liu Y, Rauf B, Shyam P. (2020) Self-propelled capsule endoscopy for small-bowel examination: proof-of-concept and model verification, International Journal of Mechanical Sciences, volume 174, pages 105506-105506, DOI:10.1016/j.ijmecsci.2020.105506. [PDF]
• Lin W, Páez Chávez J, Liu Y, Yang Y, Kuang Y. (2020) Stick-slip suppression and speed tuning for a drill-string system via proportional-derivative control, Applied Mathematical Modelling, volume 82, pages 487-502, DOI:10.1016/j.apm.2020.01.055. [PDF]
• Kuang Y. Lin W, Liu Y, Wang Q, Zhang J. (2020) Numerical modelling and field experimental validation of the axial load transfer on the drill-strings in deviated wells, Journal of Natural Gas Science and Engineering, volume 75, pages 103124-103124, DOI:10.1016/j.jngse.2019.103124. [PDF]

2019

• Shi T, Liu Y, Wang N, Liu C. (2019) Toppling dynamics of a mass-varying domino system, Nonlinear Dynamics, DOI:10.1007/s11071-019-05324-8. [PDF]
• Páez Chávez J, Zhang Z, Liu Y. (2019) A numerical approach for the bifurcation analysis of nonsmooth delay equations, Communications in Nonlinear Science and Numerical Simulation, volume 83, pages 105095-105095, article no. 105095, DOI:10.1016/j.cnsns.2019.105095. [PDF] 
• Liu Y, Guo B, Prasad S. (2019) Resonance enhanced self-propelled capsule endoscopy for small bowel examination, Gut, volume 68, pages A31-A31, DOI:10.1136/gutjnl-2019-BSGAbstracts.63. [PDF]
• Liu Y, Lin W, Páez Chávez J, De Sa R. (2019) Torsional stick-slip vibrations and multistability in drill-strings, Applied Mathematical Modelling, volume 76, DOI:10.1016/j.apm.2019.06.012. [PDF]
• Guo B, Liu Y, Prasad S. (2019) Modelling of capsule-intestine contact for a self-propelled capsule robot via experimental and numerical investigation, Nonlinear Dynamics, DOI:10.1007/s11071-019-05061-y. [PDF]
• Guo B, Liu Y. (2019) Three-dimensional map for a piecewise-linear capsule system with bidirectional drifts, Physica D: Nonlinear Phenomena, DOI:10.1016/j.physd.2019.04.008. [PDF]
• Jiang H, Liu Y, Wei Z, Zhang L. (2019) A New Class of Two-dimensional Chaotic Maps with Closed Curve Fixed Points, International Journal of Bifurcation and Chaos, volume 29, pages 1950094-1-1950094-10, DOI:10.1142/S0218127419500949. [PDF]
• Yan Y, Liu Y, Manfredi L, Prasad S. (2019) Modelling of a Vibro-Impact Self-Propelled Capsule in the Small Intestine, Nonlinear Dynamics, volume 96, pages 123-144, DOI:10.1007/s11071-019-04779-z. [PDF]
• Yan Y, Liu Y, Jiang H, Peng Z, Crawford A, Williamson J, Thomson J, Kerins G, Yusupov A, Islam S. (2019) Optimization and experimental verification of the vibro-impact capsule system in fluid pipeline, Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, volume 233, no. 3, pages 880-894, DOI:10.1177/0954406218766200. [PDF]

2018

• Liao M, Liu Y, Páez Chávez J, Chong A, Wiercigroch M. (2018) Dynamics of vibro-impact drilling with linear and nonlinear rock models, International Journal of Mechanical Sciences, volume 146-147, pages 200-210, DOI:10.1016/j.ijmecsci.2018.07.039.
• Zhang L, Jiang H, Liu Y. (2018) Bifurcation Analysis of a Rigid Impact Oscillator with Bilinear Damping, Shock and Vibration, volume 2018, DOI:10.1155/2018/1617650.
• Liu Y, Páez Chávez J, Pavlovskaia E, Wiercigroch M. (2018) Analysis and control of the dynamical response of a higher order drifting oscillator, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, volume 474, DOI:10.1098/rspa.2017.0500.
• Shi T, Liu Y, Wang N, Liu C. (2018) Toppling dynamics of regularly spaced dominoes in an array, Journal of Applied Mechanics.
• Liu Y. (2018) Control of a class of multibody underactuated mechanical systems with discontinuous friction using sliding-mode, Transactions of the Institute of Measurement and Control, volume 40, no. 2, pages 514-527, DOI:10.1177/0142331216661759.

2017

• Yan Y, Liu Y, Páez Chávez J, Zonta F, Yusupov A. (2017) Proof-of-Concept Prototype Development of the Self-Propelled Capsule System for Pipeline Inspection, Meccanica, volume 53, pages 1997-2012, DOI:10.1007/s11012-017-0801-3.
• Liu Y, Paez Chavez J, De Sa R, Walker S. (2017) Numerical and experimental studies of stick-slip oscillations in drill-strings, Nonlinear Dynamics, volume 90, pages 2959-2978, DOI:10.1007/s11071-017-3855-9.
• Yan Y, Liu Y, Liao M. (2017) A Comparative Study of the Vibro-Impact Capsule Systems with One-Sided and Two-Sided Constraints, Nonlinear Dynamics, volume 89, pages 1063-1087, DOI:10.1007/s11071-017-3500-7.
• Liu Y, Páez Chávez J. (2017) Controlling coexisting attractors of an impacting system via linear augmentation, Physica D: Nonlinear Phenomena, volume 348, pages 1-11, DOI:10.1016/j.physd.2017.02.018.
• Liu Y, Páez Chávez J. (2017) Controlling Multistability in a Vibro-Impact Capsule System, Nonlinear Dynamics, volume 88, pages 1289-1304, DOI:10.1007/s11071-016-3310-3.

2016

• Jiang H, Liu Y, Wei Z, Zhang L. (2016) A New Class of Three-Dimensional Maps with Hidden Chaotic Dynamics, International Journal of Bifurcation and Chaos, volume 26, no. 12, DOI:10.1142/S0218127416502060.
• Jiang H, Liu Y, Wei Z, Zhang L. (2016) Hidden chaotic attractors in a class of two-dimensional maps, Nonlinear Dynamics, volume 85, no. 4, pages 2719-2727, DOI:10.1007/s11071-016-2857-3.
• Páez Chávez J, Liu Y, Pavlovskaia E, Wiercigroch M. (2016) Path-following analysis of the dynamical response of a piecewise-linear capsule system, Communications in Nonlinear Science and Numerical Simulation, volume 37, pages 102-114, DOI:10.1016/j.cnsns.2016.01.009.
• Liu Y, Islam S, Pavlovskaia E, Wiercigroch M. (2016) Optimization of the Vibro-Impact Capsule System, Strojniški vestnik – Journal of Mechanical Engineering, volume 62, no. 7-8, pages 430-439, DOI:10.5545/sv-jme.2016.3754.
• Jiang H, Liu Y, Zhang L, Yu J. (2016) Anti-phase synchronization and symmetry-breaking bifurcation of impulsively coupled oscillators, Communications in Nonlinear Science and Numerical Simulation, volume 39, pages 199-208, DOI:10.1016/j.cnsns.2016.02.033.

2015

• Liu Y. (2015) Suppressing stick-slip oscillations in underactuated multibody drill-strings with parametric uncertainties using sliding-mode control, IET Control Theory & Applications, volume 9, no. 1, pages 91-102, DOI:10.1049/iet-cta.2014.0329.
• Liu Y, Pavlovskaia E, Wiercigroch M, Peng Z. (2015) Forward and backward motion control of a vibro-impact capsule system, International Journal of Non-Linear Mechanics, volume 70, pages 30-46, DOI:10.1016/j.ijnonlinmec.2014.10.009.
• Liu Y, Pavlovskaia E, Wiercigroch M. (2015) Experimental verification of the vibro-impact capsule model, Nonlinear Dynamics, volume 83, no. 1-2, pages 1029-1041, DOI:10.1007/s11071-015-2385-6.

2013

• Liu Y, Pavlovskaia E, Hendry D, Wiercigroch M. (2013) Vibro-impact responses of capsule system with various friction models, International Journal of Mechanical Sciences, volume 72, pages 39-54, DOI:10.1016/j.ijmecsci.2013.03.009.
• Liu Y, Wiercigroch M, Ing J, Pavlovskaia E. (2013) Intermittent control of coexisting attractors, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, volume 371, no. 1993, pages 20120428-20120428, DOI:10.1098/rsta.2012.0428.
• Liu Y, Yu H. (2013) A survey of underactuated mechanical systems, IET Control Theory & Applications, volume 7, no. 7, pages 921-935, DOI:10.1049/iet-cta.2012.0505.
• Liu Y, Wiercigroch M, Pavlovskaia E, Yu H. (2013) Modelling of a vibro-impact capsule system, International Journal of Mechanical Sciences, volume 66, pages 2-11, DOI:10.1016/j.ijmecsci.2012.09.012.