Search Results - "Perez, Ariel"

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    Event-based discrete PI controllers robustness analysis through sampled describing function technique by Miguel-Escrig, Oscar, Romero-Pérez, Julio-Ariel

    Published in International journal of control (02-01-2024)
    “…In this work, the robustness of discrete PI controllers when used with a Symmetric-Send-On-Delta (SSOD) sampling law is addressed. Hitherto, the continuous…”
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    Journal Article
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    Improving the identification from relay feedback experiments by Miguel-Escrig, Oscar, Romero-Pérez, Julio-Ariel

    Published in Automatica (Oxford) (01-01-2022)
    “…This paper proposes a new method for systems identification from relay feedback test. As a difference with most of the existing methods, which are based on the…”
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    Discrete Carleman estimates and application to controllability for a fully-discrete parabolic operator with dynamic boundary conditions by Lecaros, Rodrigo, Morales, Roberto, Pérez, Ariel, Zamorano, Sebastián

    Published in Journal of Differential Equations (25-08-2023)
    “…We consider a fully-discrete approximation of a 1-D heat equation with dynamic boundary conditions for which we provide a controllability result. The proof of…”
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    Experimental tuning of PI controllers with symmetric send-on-delta sampling from the step response by Sanchis, Roberto, Miguel-Escrig, Oscar, Romero-Pérez, Julio-Ariel

    Published in International journal of control (02-01-2024)
    “…This paper proposes a technique for tuning PI controllers with symmetric send-on-delta (SSOD) sampling, using three measurements taken from the step response…”
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    Multiple frequency response points identification through single asymmetric relay feedback experiment by Miguel-Escrig, Oscar, Romero-Pérez, Julio-Ariel, Sánchez-Moreno, José, Dormido, Sebastián

    Published in Automatica (Oxford) (01-01-2023)
    “…In this paper a methodology to identify several points of the frequency response of a system using a single experiment is proposed. The identification is…”
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    Tuning procedure for event-based PI controllers under regular quantization with hysteresis by Miguel-Escrig, Oscar, Romero-Pérez, Julio-Ariel

    Published in Journal of the Franklin Institute (01-06-2021)
    “…In this paper a tuning procedure is proposed for event based PI controllers with Regular Quantization with Hysteresis (RQH) sampling law. The RQH is a…”
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    Tuning PID controllers with symmetric send-on-delta sampling strategy by Miguel-Escrig, Oscar, Romero-Pérez, Julio-Ariel, Sanchis-Llopis, Roberto

    Published in Journal of the Franklin Institute (01-01-2020)
    “…A procedure for tuning PID controllers with SSOD sampling for FOPTD systems is proposed. It is based on the definition of a new robustness measure to avoid…”
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    On-line retuning of PID controllers with fixed threshold samplers by Miguel-Escrig, Oscar, Romero-Pérez, Julio-Ariel, Sánchez-Moreno, José, Dormido, Sebastián

    Published in ISA transactions (01-08-2023)
    “…The appearance of limit cycle oscillations in control systems with fixed threshold based samplers degrades the performance of the control loop, accelerates the…”
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    A new methodology for facilitating the design of safety-related parts of control systems in machines according to ISO 13849:2006 standard by Porras-Vázquez, Alberto, Romero-Pérez, Julio-Ariel

    Published in Reliability engineering & system safety (01-06-2018)
    “…•SRP/CS in machinery are mostly designed according to ISO 13849-1:2006.•The design method in this ISO standard is based on a trial-and-error procedure.•The…”
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    Outpatient administration of CAR T-cell therapy: a focused review with recommendations for implementation in community based centers by Perez, Ariel, Al Sagheer, Tiba, Nahas, George R, Linhares, Yuliya P L

    Published in Frontiers in immunology (08-05-2024)
    “…Chimeric Antigen Receptor T-cell (CAR-T) therapy has transformed the treatment landscape for hematological malignancies, showing high efficacy in patients with…”
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    How Symmetry Influences the Dissociation of Protonated Cyclic Peptides by Pérez-Mellor, Ariel F., Spezia, Riccardo, Zehnacker, Anne

    Published in Symmetry (Basel) (01-04-2022)
    “…Protonated cyclic dipeptides undergo collision-induced dissociation, and this reaction mechanism strongly depends on the symmetry and the nature of the…”
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    T Cell Primary Effusion Lymphoma in an HIV-Negative Man with Liver Cirrhosis by Kropf, Jacqueline, Gerges, Mina, Perez Perez, Ariel, Ellis, Austin, Mathew, Mevin, Ayesu, Kwabena, Ge, Li, Carlan, Steve J

    Published in The American journal of case reports (20-01-2020)
    “…BACKGROUND Primary effusion lymphoma (PEL) is a rare and aggressive non-Hodgkin lymphoma (NHL) that is responsible for 1% of all lymphomas not related to human…”
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    Crystallization of SrAl12O19 Nanocrystals from Amorphous Submicrometer Particles by Afshani, Jafar, Perez Mellor, Ariel, Bürgi, Thomas, Hagemann, Hans

    Published in Journal of physical chemistry. C (17-11-2022)
    “…Advanced instrumentation and modern analysis tools such as transmission electron microscopy (TEM) have led to phenomenal progress in understanding…”
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    A new method for tuning PI controllers with symmetric send-on-delta sampling strategy by Romero Pérez, Julio Ariel, Sanchis Llopis, Roberto

    Published in ISA transactions (01-09-2016)
    “…In this paper we present a new method for tuning PI controllers with symmetric send-on-delta (SSOD) sampling strategy. First we analyze the conditions that…”
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    Rituximab Ibrutinib Lenalidomide (R2I) Combination for Primary or Secondary Large B-Cell CNS Lymphoma: Last Resort or Bridge to Cellular Therapy? by Perez Perez, Ariel, Al Sagheer, Tiba, Nahas, George, Rubens, Muni, Lopes, Kristie, Odia, Yazmin, Ahluwalia, Manmeet, Chen, Zhijian, Linhares, Yuliya

    Published in Blood (02-11-2023)
    “…Background: Primary central nervous system lymphoma (PCNSL) and secondary central nervous system lymphoma (SCNSL) each carry a poor prognosis. About 50% of…”
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