{"id":28,"date":"2011-01-06T14:16:44","date_gmt":"2011-01-06T14:16:44","guid":{"rendered":"http:\/\/blog.espol.edu.ec\/jpaezchavez\/?page_id=28"},"modified":"2026-01-03T23:02:23","modified_gmt":"2026-01-03T23:02:23","slug":"publ","status":"publish","type":"page","link":"https:\/\/blog.espol.edu.ec\/jpaezchavez\/publ\/","title":{"rendered":"Publications"},"content":{"rendered":"

In refereed journals:<\/p>\n

    \n
  1. Chang, S.; Ma, W.; Ye, M.; P\u00e1ez Ch\u00e1vez, J.; Li, Y.; Ma, Y.; Zhang, J. Control and Experiment of Bistable Nonlinear Dynamics in a Non-Smooth Hydraulic Rock Drill Model. Applied Mathematical Modelling, vol. 155, 39 pages, 2026 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  2. Liao, M.; Li, Z.; Zhu, J.; Wang, Z.; P\u00e1ez Ch\u00e1vez, J. Optimization and Control of a Self-Propelled Capsule Moving Small Intestine. Journal of Mechanical Engineering, vol. 61, pp. 299\u2014313, 2025 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  3. Bickerdike, A.; Liu, Y.; P\u00e1ez Ch\u00e1vez, J.; Ferreira, A. Bifurcation-Based Mechanical Sensing of Microchannels Using Microrobots. Physical Review E, vol. 112, 8 pages, 2025 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  4. Fatahillah, H. A.; P\u00e1ez Ch\u00e1vez, J.; Aldila, D. Emergence of Chaos in a Coinfection Model of HIV\/AIDS and Mpox with Treatment Constraints. Nonlinear Dynamics, vol. 113, pp. 33005\u201433033, 2025 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  5. Aldila, D.; P\u00e1ez Ch\u00e1vez, J.; Nugroho, N.; Omede, B. I.; Peter, O. J.; Kamalia, P. Z. Reassessment of Public Awareness and Prevention Strategies for HIV and COVID-19 Co-Infections through Epidemic Modeling. PLoS One, vol. 20, 37 pages, 2025 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  6. Chang, S.; Ma, W.; Ye, M.; P\u00e1ez Ch\u00e1vez, J.; Li, Y.; Ma, Y.; Zhang, J. Delayed Feedback Control and Parameter Continuation of Multistability in a Nonsmooth Hydraulic Rock Drill Model. Chaos, vol. 35, 30 pages, 2025 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  7. Fu, S.; P\u00e1ez Ch\u00e1vez, J.; Liu, Y. Sliding Bifurcations of a Self-Excited SD Oscillator with Nonlinear Damping. Chaos, Solitons & Fractals, vol. 198, 16 pages, 2025 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  8. Wang, Y.; Li, M.; Liao, M.; Liu, W.; Li, T.; P\u00e1ez Ch\u00e1vez, J.; Liu, G.; Li, J.; Yao, S. Measurement while Drilling of Downhole Engineering Parameters by Application of a Newly Designed Micro-Measurer. Petroleum Science, vol. 22, pp. 2905\u20142919, 2025 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  9. Ma, W.; Chang, S.; P\u00e1ez Ch\u00e1vez, J.; Wang, S.; Wu, W. Nonlinear Dynamics and Continuation Analysis of a four Degree-of-Freedom Drifter-Rock Model. Chaos, Solitons & Fractals, vol. 197, 20 pages, 2025 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  10. P\u00e1ez Ch\u00e1vez, J.; G\u00f6k\u00e7e, A.; G\u00f6tz, T.; G\u00fcrb\u00fcz, B. An SIRS-Model Considering Waning Efficacy and Periodic Re-Vaccination. Chaos, Solitons & Fractals, vol. 196, 9 pages, 2025 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  11. Ma, W.; Zhang, J.; P\u00e1ez Ch\u00e1vez, J.; Ding, H. Experimental and Continuation Analysis in a Hydraulic Drifter via Dry Friction Rock Model. Tunnelling and Underground Space Technology, vol. 157, 13 pages, 2025 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  12. Sun, Y.; P\u00e1ez Ch\u00e1vez, J.; Liu, Y.; Perlikowski, P. Response Analysis of Vibro-Impact Systems under Periodic and Random Excitations. Physica D, vol. 472, 16 pages, 2025 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  13. Yan, Y.; P\u00e1ez Ch\u00e1vez, J.; Shen, J.; Liu, Y. Dynamics of the Vibro-Impact Capsule Robot with a Von Mises Truss. Nonlinear Dynamics, vol. 113, pp. 11047\u201411067, 2025 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  14. Aldila, D.; P\u00e1ez Ch\u00e1vez, J.; Chukwu, C. W.; Fathiyah, A. Y.; Puspita, J. W.; Dimar Setio, K. A.; Fuady, A.; Kamalia, P. Z. Unraveling Dengue Dynamics with Data Calibration from Palu and Jakarta: Optimizing Active Surveillance and Fogging Interventions. Chaos, Solitons & Fractals, vol. 189, 22 pages, 2024 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  15. Tian, B.; Yin, S.; P\u00e1ez Ch\u00e1vez, J.; Liu, Y. An Optimization Approach to Establish Dynamical Equivalence for Soft and Rigid Impact Models. Chaos, vol. 34, 18 pages, 2024 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  16. Guti\u00e9rrez, E. D.; P\u00e1ez Ch\u00e1vez, J.; L\u00f3pez, A. Rocking Block Stability under Periodic and Random Perturbations. Physica D, vol. 463, 9 pages, 2024 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  17. Fu, S.; P\u00e1ez Ch\u00e1vez, J.; Lu, Q. Grazing-Induced Dynamics of the Piecewise-Linear Chua\u2019s Circuit. International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, vol. 33, no. 15, 9 pages, 2023 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  18. Zhu, J.; Liao, M.; P\u00e1ez Ch\u00e1vez, J.; Liu, Y.; Li, T. Multi-Objective Optimization of a Self-Propelled Capsule for Small Bowel Endoscopy Considering the Influence of Intestinal Environment. Nonlinear Dynamics, vol. 111, pp. 16963\u201416989 , 2023 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  19. Yin, S.; Yan, Y.; P\u00e1ez Ch\u00e1vez, J.; Liu, Y. Dynamics of a Self-Propelled Capsule Robot in Contact with Different Folds in the Small Intestine. Communications in Nonlinear Science and Numerical Simulation, vol. 126, 24 pages, 2023 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  20. Zhang, Z.; P\u00e1ez Ch\u00e1vez, J.; Sieber, J.; Liu, Y. Numerical Analysis of a Multistable Capsule System under the Delayed Feedback Control with a Constant Delay. International Journal of Non-Linear Mechanics, vol. 152, 14 pages, 2023 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  21. Aldila, D.; P\u00e1ez Ch\u00e1vez, J.; Wijaya, K. P.; Ganegoda, N. C.; Simorangkir G. M.; Tasman, H.; Soewono, E. A Tuberculosis Epidemic Model as a Proxy for the Assessment of the Novel M72\/AS01E Vaccine. Communications in Nonlinear Science and Numerical Simulation, vol. 120, 19 pages, 2023 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  22. Yin, S.; Yan, Y.; P\u00e1ez Ch\u00e1vez, J.; Liu, Y. Bifurcation Analysis of a Vibro-Impacting Capsule Robot in Contact with a Circular Fold. Physica D, vol. 442, 18 pages, 2022 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  23. Yan, Y.; Zhang, B.; P\u00e1ez Ch\u00e1vez, J.; Liu, Y. Optimising the Locomotion of a Vibro-Impact Capsule Robot Self-Propelling in the Small Intestine. Communications in Nonlinear Science and Numerical Simulation, vol. 114, 17 pages, 2022 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  24. Ganegoda, N. C.; Wijaya, K. P.; P\u00e1ez Ch\u00e1vez, J.; Aldila, D.; Erandi, K. K. W. H.; Amadi, M. Reassessment of Contact Restrictions and Testing Campaigns Against COVID-19 via Spatio-Temporal Modeling. Nonlinear Dynamics, vol. 107, pp. 3085\u20143109, 2022 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  25. Zhang, Z.; P\u00e1ez Ch\u00e1vez, J.; Sieber, J.; Liu, Y. Controlling Coexisting Attractors of a Class of Non-Autonomous Dynamical Systems. Physica D, vol. 431, 16 pages, 2022 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  26. Zhang, Z.; P\u00e1ez Ch\u00e1vez, J.; Sieber, J.; Liu, Y. Controlling Grazing-Induced Multistability in a Piecewise-Smooth Impacting System via the Time-Delayed Feedback Control. Nonlinear Dynamics, vol. 107, pp. 1595\u20141610, 2022 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  27. P\u00e1ez Ch\u00e1vez, J.; Wijaya, K. P.; Pinto, C. M. A.; Burgos-Sim\u00f3n, C. A Model for Type I Diabetes in an HIV-Infected Patient under Highly Active Antiretroviral Therapy. Chaos, Solitons & Fractals, vol. 155, 15 pages, 2022 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  28. Liu, Y.; P\u00e1ez Ch\u00e1vez, J.; Brzeski, P.; Perlikowski, P. Dynamical Response of a Rocking Rigid Block. Chaos, vol. 31, 16 pages, 2021 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  29. Sutimin; Wijaya, K. P.; P\u00e1ez Ch\u00e1vez, J.; Tian, T. An In-Host HIV-1 Infection Model Incorporating Quiescent and Activated CD4+ T Cells as well as CTL Response. Applied Mathematics and Computation, vol. 409, 19 pages, 2021 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  30. Guo, B.; P\u00e1ez Ch\u00e1vez, J.; Liu, Y.; Liu, C. Discontinuity-Induced Bifurcations in a Piecewise-Smooth Capsule System with Bidirectional Drifts. Communications in Nonlinear Science and Numerical Simulation, vol. 102, 19 pages, 2021 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  31. Wijaya, K. P.; P\u00e1ez Ch\u00e1vez, J.; G\u00f6tz, T. A Dengue Epidemic Model Highlighting Vertical\u2013Sexual Transmission and Impulsive Control Strategies. Applied Mathematical Modelling, vol. 95, pp. 279\u2014296, 2021 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  32. Wijaya, K. P.; P\u00e1ez Ch\u00e1vez, J.; Pochampalli, R.; Rockenfeller, R.; Aldila, D.; G\u00f6tz, T.; Soewono, E. Food Sharing and Time Budgeting in Predator\u2013Prey Interaction. Communications in Nonlinear Science and Numerical Simulation, vol. 97, 20 pages, 2021 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  33. Al-Salman, A. M.; P\u00e1ez Ch\u00e1vez, J.; Wijaya, K. P. A Modeling Study of Predator\u2013Prey Interaction Propounding Honest Signals and Cues. Applied Mathematical Modelling, vol. 89, pp. 1405\u20141417, 2021 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  34. Liu, Y.; P\u00e1ez Ch\u00e1vez, J.; Guo, B.; Birler, R. Bifurcation Analysis of a Vibro-Impact Experimental Rig with two-sided Constraint. Meccanica, vol. 55, pp. 2505\u20142521, 2020 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  35. Liu, Y.; P\u00e1ez Ch\u00e1vez, J.; Zhang, J.; Tian, J.; Guo, B.; Prasad, S. The Vibro-Impact Capsule System in Millimetre Scale: Numerical Optimisation and Experimental Verification. Meccanica, vol. 55, pp. 1885\u20141902, 2020 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  36. Wijaya, K. P.; P\u00e1ez Ch\u00e1vez, J.; Aldila, D. An Epidemic Model Highlighting Humane Social Awareness and Vector\u2013Host Lifespan Ratio Variation. Communications in Nonlinear Science and Numerical Simulation, vol. 90, 18 pages, 2020 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  37. Lin, W.; P\u00e1ez Ch\u00e1vez, J.; Liu, Y.; Yang, Y.; Kuang, Y. Stick-Slip Suppression and Speed Tuning for a Drill-String System via Proportional-Derivative Control. Applied Mathematical Modelling, vol. 82, pp. 487\u2014502, 2020 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  38. P\u00e1ez Ch\u00e1vez, J.; Zhang, Z.; Liu, Y. A Numerical Approach for the Bifurcation Analysis of Nonsmooth Delay Equations. Communications in Nonlinear Science and Numerical Simulation, vol. 83, no. 105095, 16 pages, 2020 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  39. Fu, S.; Liu, Y.; P\u00e1ez Ch\u00e1vez, J. Discontinuous Bifurcation of a Soft-Impact System. International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, vol. 30, no. 9, 12 pages, 2020 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  40. Liu, Y.; Lin, W.; P\u00e1ez Ch\u00e1vez, J.; De Sa, R. Torsional Stick-Slip Vibrations and Multistability in Drill-Strings. Applied Mathematical Modelling, vol. 76, pp. 545\u2014557, 2019 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  41. P\u00e1ez Ch\u00e1vez, J.; G\u00fcrb\u00fcz, B.; Pinto, C. M. A. The Effect of Aggressive Chemotherapy in a Model for HIV\/AIDS-Cancer Dynamics. Communications in Nonlinear Science and Numerical Simulation, vol. 75, pp. 109\u2014120, 2019 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  42. Liu, Y.; P\u00e1ez Ch\u00e1vez, J.; Pavlovskaia, E.; Wiercigroch, M. Analysis and Control of the Dynamical Response of a Higher Order Drifting Oscillator. Proceedings of The Royal Society of London Series A, vol. 474, no. 2210, 20 pages, 2018 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  43. Liao, M.; Liu, Y.; P\u00e1ez Ch\u00e1vez, J.; Chong, A.; Wiercigroch, M. Dynamics of Vibro-Impact Drilling with Linear and Nonlinear Rock Models. International Journal of Mechanical Sciences, vol. 146-147, pp. 200\u2014210, 2018 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  44. P\u00e1ez Ch\u00e1vez, J.; Schreiter, J.; Siegmund, S.; Mayr, C. A Continuation Approach for Computing Parameter-Dependent Separatrices in SRAM Cells. Applied Mathematical Modelling, vol. 64, pp. 106\u2014120, 2018 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  45. Yan, Y.; Liu, Y.; P\u00e1ez Ch\u00e1vez, J.; Zonta, F.; Yusupov, A. Proof-of-Concept Prototype Development of the Self-Propelled Capsule System for Pipeline Inspection. Meccanica, vol. 53, no. 8, pp. 1997\u20142012, 2018 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  46. P\u00e1ez Ch\u00e1vez, J.; Jungmann, D.; Siegmund, S. A Comparative Study of Integrated Pest Management Strategies based on Impulsive Control. Journal of Biological Dynamics, vol. 12, no. 1, pp. 318\u2014341, 2018 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  47. Kapitaniak, M.; Vaziri Hamaneh, V.; P\u00e1ez Ch\u00e1vez, J.; Wiercigroch, M. Experimental Studies of Forward and Backward Whirls of Drill-String. Mechanical Systems and Signal Processing, vol. 100, pp. 454\u2014465, 2018 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  48. Liu, Y.; P\u00e1ez Ch\u00e1vez, J.; De Sa, R.; Walker, S. Numerical and Experimental Studies of Stick-Slip Oscillations in Drill-Strings. Nonlinear Dynamics, vol. 90, no. 4, pp. 2959\u20142978, 2017 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  49. P\u00e1ez Ch\u00e1vez, J.; Jungmann, D.; Siegmund, S. Modeling and Analysis of Integrated Pest Control Strategies via Impulsive Differential Equations. International Journal of Differential Equations, vol. 2017, 18 pages, 2017 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  50. Kapitaniak, M.; Vaziri Hamaneh, V.; P\u00e1ez Ch\u00e1vez, J.; Wiercigroch, M. Numerical Study of Forward and Backward Whirling of Drill-String. Journal of Computational and Nonlinear Dynamics, vol. 12, 7 pages, 2017 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  51. P\u00e1ez Ch\u00e1vez, J.; G\u00f6tz, T.; Siegmund, S.; Wijaya, K. P. An SIR-Dengue Transmission Model with Seasonal Effects and Impulsive Control. Mathematical Biosciences, vol. 289, pp. 29\u201439, 2017 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  52. P\u00e1ez Ch\u00e1vez, J.; Brzeski, P.; Perlikowski, P. Bifurcation Analysis of Non-Linear Oscillators Interacting via Soft Impacts. International Journal of Non-Linear Mechanics, vol. 92, pp. 76\u201483, 2017 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  53. Liu, Y.; P\u00e1ez Ch\u00e1vez, J. Controlling Multistability in a Vibro-Impact Capsule System. Nonlinear Dynamics, vol. 88, no. 2, pp. 1289\u20141304, 2017 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  54. Liu, Y.; P\u00e1ez Ch\u00e1vez, J. Controlling Coexisting Attractors of an Impacting System via Linear Augmentation. Physica D, vol. 348, pp. 1\u201411, 2017 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  55. Duc, L. H.; P\u00e1ez Ch\u00e1vez, J.; Son, D. T.; Siegmund, S. Finite-Time Lyapunov Exponents and Metabolic Control Coefficients for Threshold Detection of Stimulus-Response Curves. Journal of Biological Dynamics, vol. 10, no. 1, pp. 379\u2014394, 2016 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  56. P\u00e1ez Ch\u00e1vez, J.; Voigt, A.; Schreiter, J.; Marschner, U.; Siegmund, S.; Richter, A. A New Self-Excited Chemo-Fluidic Oscillator Based on Stimuli-Responsive Hydrogels: Mathematical Modeling and Dynamic Behavior. Applied Mathematical Modelling, vol. 40, no. 23-24, pp. 9719\u20149738, 2016 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  57. Liao, M.; Ing, J.; P\u00e1ez Ch\u00e1vez, J.; Wiercigroch, M. Bifurcation Techniques for Stiffness Identification of an Impact Oscillator. Communications in Nonlinear Science and Numerical Simulation, vol. 41, pp. 19\u201431, 2016 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  58. Paschew, G.; Schreiter, J.; Voigt, A.; Pini, C.; P\u00e1ez Ch\u00e1vez, J.; Allerdi\u00dfen, M.; Marschner, U.; Siegmund, S.; Sch\u00fcffny, R.; J\u00fclicher, F.; Richter, A. Autonomous Chemical Oscillator Circuit Based on Bidirectional Chemical-Microfluidic Coupling. Advanced Materials Technologies, vol. 1, no. 1, 2016 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  59. P\u00e1ez Ch\u00e1vez, J.; Liu, Y.; Pavlovskaia, E.; Wiercigroch, M. Path-Following Analysis of the Dynamical Response of a Piecewise-Linear Capsule System. Communications in Nonlinear Science and Numerical Simulation, vol. 37, pp. 102\u2014114, 2016 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  60. Kapitaniak, M.; Vaziri Hamaneh, V.; P\u00e1ez Ch\u00e1vez, J.; Nandakumar, K.; Wiercigroch, M. Unveiling Complexity of Drill-String Vibrations: Experiments and Modelling. International Journal of Mechanical Sciences, vol. 101-102, pp. 324\u2014337, 2015 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  61. P\u00e1ez Ch\u00e1vez, J.; Vaziri Hamaneh, V.; Wiercigroch, M. Modelling and Experimental Verification of an Asymmetric Jeffcott Rotor with Radial Clearance. Journal of Sound and Vibration, vol. 334, pp. 86\u201497, 2015 (Link<\/span><\/a><\/span>). <\/li>\n
    <\/div>\n
  62. P\u00e1ez Ch\u00e1vez, J.; Pavlovskaia, E.; Wiercigroch, M. Bifurcation Analysis of a Piecewise-Linear Impact Oscillator with Drift. Nonlinear Dynamics, vol. 77, no. 1-2, pp. 213\u2014227, 2014 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  63. P\u00e1ez Ch\u00e1vez, J.; Wiercigroch, M. Bifurcation Analysis of Periodic Orbits of a Non-Smooth Jeffcott Rotor Model. Communications in Nonlinear Science and Numerical Simulation, vol. 18, no. 9, pp. 2571\u20142580, 2013 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  64. P\u00e1ez Ch\u00e1vez, J.; L\u00f3czi, L. Various Closeness Results in Discretized Bifurcations. Differential Equations and Dynamical Systems, special issue entitled \"Bifurcation Dynamics: Theory, Methods, and Applications\", pp. 235\u2014284, 2012 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  65. P\u00e1ez Ch\u00e1vez, J. Discretizing Dynamical Systems with Hopf-Hopf Bifurcations. IMA Journal of Numerical Analysis, vol. 32, no. 1, pp. 185\u2014201, 2012 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  66. P\u00e1ez Ch\u00e1vez, J. Discretizing Dynamical Systems with Generalized Hopf Bifurcations. Numerische Mathematik, vol. 118, no. 2, pp. 229\u2014246, 2011 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  67. P\u00e1ez Ch\u00e1vez, J. Starting Homoclinic Tangencies near 1:1 Resonances. International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, vol. 20, no. 10, pp. 3157\u20143172, 2010 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  68. P\u00e1ez Ch\u00e1vez, J. Discretizing Bifurcation Diagrams near Codimension two Singularities. International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, vol. 20, no. 5, pp. 1391\u20141403, 2010 (Link<\/span><\/a><\/span>).<\/li>\n
    <\/div>\n
  69. L\u00f3czi, L.; P\u00e1ez Ch\u00e1vez, J. Preservation of Bifurcations under Runge-Kutta Methods. International Journal of Qualitative Theory of Differential Equations and Applications, vol. 3, no. 1-2, pp. 81\u201498, 2009 (Link<\/span><\/a><\/span>).<\/li>\n<\/ol>\n

    Theses:<\/p>\n

      \n
    1. P\u00e1ez Ch\u00e1vez, J. Numerical Analysis of Dynamical Systems with Codimension two Singularities. Doctoral thesis, Bielefeld University (Germany), 2009, ISBN: 978-9942-03-688-9 (Link<\/span><\/a><\/span>).<\/li>\n
      <\/div>\n
    2. P\u00e1ez Ch\u00e1vez, J.; Amador Moreno, P. Implementaci\u00f3n de un Sistema de Levitaci\u00f3n Magn\u00e9tica Controlado Mediante MATLAB (in Spanish). Engineering thesis, Escuela Superior Polit\u00e9cnica del Litoral (Ecuador), 2005 (Link<\/span><\/a><\/span>).<\/li>\n<\/ol>\n

      Other publications:<\/p>\n

        \n
      1. P\u00e1ez Ch\u00e1vez, J. Numerical Continuation and Optimisation. In Y. Liu, C. Liu, S. Prasad, Nonlinear Dynamics Approach to Robotic Capsule Endoscopy, pp. 57\u201490, Academic Press, 2026 (Link<\/span><\/a><\/span>).<\/li>\n
        <\/div>\n
      2. Liu, Y.; Chernousko, F. L.; Terry, B. S.; P\u00e1ez Ch\u00e1vez, J. Special issue on self-propelled robots: from theory to applications (Editorial). Meccanica, 2022 (Link<\/span><\/a><\/span>).<\/li>\n
        <\/div>\n
      3. Son, D. T.; P\u00e1ez Ch\u00e1vez, J.; Siegmund, S. A Characterization of the Distance Between Controllable and Uncontrollable LTI Systems. Proceedings of the 23rd International Conference on Methods and Models in Automation and Robotics (MMAR 2018), Mi\u0119dzyzdroje, Poland, 2018 (Link<\/span><\/a><\/span>).<\/li>\n
        <\/div>\n
      4. Liu, Y.; P\u00e1ez Ch\u00e1vez, J. Controlling Multistability in Vibro-Impact Systems. Proceedings of the 9th European Nonlinear Dynamics Conference (ENOC 2017), Budapest, Hungary, 2017.<\/li>\n
        <\/div>\n
      5. Marschner, U.; P\u00e1ez Ch\u00e1vez, J.; Voigt, A.; Richter, A. Equivalent Circuit of the Concentration Transport in a Fluidic Channel. Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS 2016), Stowe, USA, 2016 (Link<\/span><\/a><\/span>).<\/li>\n
        <\/div>\n
      6. Kapitaniak, M.; Vaziri Hamaneh, V.; P\u00e1ez Ch\u00e1vez, J.; Wiercigroch, M. Analysis of Forward and Backward Whirls in Drilling. Proceedings of the 24th International Congress of Theoretical and Applied Mechanics (ICTAM 2016), Montreal, Canada, 2016.<\/li>\n
        <\/div>\n
      7. Liao, M.; Ing, J.; P\u00e1ez Ch\u00e1vez, J.; Wiercigroch, M. Bifurcation Techniques for Identifying Formation Properties in Drilling Applications. Proceedings of the 8th European Nonlinear Dynamics Conference (ENOC 2014), Vienna, Austria, 2014.<\/li>\n
        <\/div>\n
      8. Chong, A.; P\u00e1ez Ch\u00e1vez, J.; Wiercigroch, M. Development of Computational Tools for Non-Smooth Dynamical Systems. Proceedings of the 8th European Nonlinear Dynamics Conference (ENOC 2014), Vienna, Austria, 2014.<\/li>\n
        <\/div>\n
      9. P\u00e1ez Ch\u00e1vez, J.; Pavlovskaia, E.; Wiercigroch, M. Numerical Bifurcation Analysis of an Impact Oscillator with Drift. Proceedings of the 5th International Conference on Structural Engineering, Mechanics and Computation (SEMC 2013), Cape Town, South Africa, 2013 (Link<\/span><\/a><\/span>).<\/li>\n
        <\/div>\n
      10. P\u00e1ez Ch\u00e1vez, J.; Wiercigroch, M.; Vaziri Hamaneh, V. Bifurcation Analysis of a Jeffcott Rotor with a Bearing Clearance: Numerics and Experiments. Proceedings of the 5th International Conference on Structural Engineering, Mechanics and Computation (SEMC 2013), Cape Town, South Africa, 2013 (Link<\/span><\/a><\/span>).<\/li>\n
        <\/div>\n
      11. P\u00e1ez Ch\u00e1vez, J.; Wiercigroch, M.; Demrdash, H. Numerical Study of a Jeffcott Rotor Model with a Snubber Ring. Proceedings of the Modern Practice in Stress and Vibration Analysis Conference (MPSVA 2012), Glasgow, United Kingdom, 2012 (Link<\/span><\/a><\/span>).<\/li>\n
        <\/div>\n
      12. P\u00e1ez Ch\u00e1vez, J. Discretizing the Generalized Hopf Bifurcation. Proceedings of the 7th European Nonlinear Dynamics Conference (ENOC 2011), Rome, Italy, 2011.<\/li>\n
        <\/div>\n
      13. P\u00e1ez Ch\u00e1vez, J. Dynamical Systems and Differential Equations. Matem\u00e1tica: Una Publicaci\u00f3n del ICM \u2013 ESPOL, vol. 8, no. 2, pp. 33\u201440, 2010 (PDF<\/span><\/a><\/span>).<\/li>\n
        <\/div>\n
      14. P\u00e1ez Ch\u00e1vez, J. A short Introduction to Dynamical Systems. Matem\u00e1tica: Una Publicaci\u00f3n del ICM \u2013 ESPOL, vol. 8, no. 1, pp. 28\u201433, 2010 (PDF<\/span><\/a><\/span>).<\/li>\n
        <\/div>\n
      15. P\u00e1ez Ch\u00e1vez, J. Starting Homoclinic Tangencies near 1:1 Resonances. Proceedings of the 16th US National Congress on Theoretical and Applied Mechanics, State College, USA, 2010 (PDF<\/span><\/a><\/span>).<\/li>\n<\/ol>\n

        Publication list in ORCID (Link<\/span><\/a><\/span>).<\/p>\n","protected":false},"excerpt":{"rendered":"

        In refereed journals: Chang, S.; Ma, W.; Ye, M.; P\u00e1ez Ch\u00e1vez, J.; Li, Y.; Ma, Y.; Zhang, J. Control and Experiment of Bistable Nonlinear Dynamics in a Non-Smooth Hydraulic Rock Drill Model. Applied Mathematical Modelling, vol. 155, 39 pages, 2026 … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":5591,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-28","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blog.espol.edu.ec\/jpaezchavez\/wp-json\/wp\/v2\/pages\/28","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.espol.edu.ec\/jpaezchavez\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blog.espol.edu.ec\/jpaezchavez\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/jpaezchavez\/wp-json\/wp\/v2\/users\/5591"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/jpaezchavez\/wp-json\/wp\/v2\/comments?post=28"}],"version-history":[{"count":219,"href":"https:\/\/blog.espol.edu.ec\/jpaezchavez\/wp-json\/wp\/v2\/pages\/28\/revisions"}],"predecessor-version":[{"id":1525,"href":"https:\/\/blog.espol.edu.ec\/jpaezchavez\/wp-json\/wp\/v2\/pages\/28\/revisions\/1525"}],"wp:attachment":[{"href":"https:\/\/blog.espol.edu.ec\/jpaezchavez\/wp-json\/wp\/v2\/media?parent=28"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}