Publications of R Carvajal (past Departamento de Electronica UTFSM member) 
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A.L. Cedeño,
R Orellana,
R Carvajal,
B.I. Godoy and
J.C Agüero. Finite Impulse Response Errors-in-Variables System Identification Utilizing Approximated Likelihood and Gaussian Mixture Models. In IEEE Access, Vol. 11:24615-24630, 2023. 
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R Orellana,
G. Bittner,
R Carvajal and
J.C Agüero. Maximum Likelihood estimation for non-minimum-phase noise transfer function with Gaussian mixture noise distribution. In Automatica, Vol. 135:109937-, January 2022.
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A.L. Cedeño,
R Carvajal and
J.C Agüero. A Gaussian Sum Smoothing algorithm for Hammerstein-Wiener State-Space Systems. In 2022 IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA), IEEE, Curicó, Chile, 24-28 October 2022.
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R Orellana,
R Carvajal,
P Escarate and
J.C Agüero. On the Uncertainty Identification for Linear Dynamic Systems Using Stochastic Embedding Approach with Gaussian Mixture Models. In Sensors, Vol. 21(11):3837-, June 2021.
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A.L. Cedeño,
R Carvajal and J.C. Aguero. A Novel Filtering Method for Hammerstein-Wiener State-Space Systems. In 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), IEEE, Valparaíso, Chile, 6-9 December 2021.
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A.L. Cedeño,
R Albornoz,
R Carvajal,
B.I. Godoy and
J.C Agüero. On Filtering Methods for State-Space Systems having Binary Output Measurements. In 19th IFAC Symposium on System Identification SYSID 2021, IFAC-PapersOnLine, Vol. 54(7):815-820, 2021.
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A.L. Cedeño,
R Orellana,
R Carvajal and
J.C Agüero. EM-based identification of static errors-in-variables systems utilizing Gaussian Mixture models. In 21st IFAC World Congress Berlin, Germany, 11–17 July 2020, IFAC-PapersOnLine, Vol. 53(2):863-868, 2020.
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M Coronel,
R Carvajal and
J.C Agüero. Identification of continuous-time systems utilising Kautz basis functions from sampled-data. In 21st IFAC World Congress Berlin, Germany, 11–17 July 2020, IFAC-PapersOnLine, Vol. 53(2):536-541, 2020.
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M Coronel, N. Soto,
R Carvajal,
P Escarate and
J.C Agüero. Identification and model predictive control of an experimental adaptive optics setup utilizing Kautz basis functions. In Adaptive Optics Systems VII, SPIE, Online Only, United States, 14-18 December 2020.
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R Orellana,
R Carvajal,
J.C Agüero and G.C. Goodwin. Model Error Modelling using a Stochastic Embedding approach with Gaussian Mixture Models for FIR systems. In 21st IFAC World Congress Berlin, Germany, 11–17 July 2020, IFAC-PapersOnLine, Vol. 53(2):845-850, 2020.
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J. Rojas,
J.C Agüero,
R Carvajal and
C.A. Silva. An Alternative Optimization Approach for MPC Control of PV plants with Energy Storage. In 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), IEEE, Valparaiso, Chile, 13-27 November 2019.
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R Orellana,
P Escarate, M Curé, A Christen,
R Carvajal and
J.C Agüero. A method to deconvolve stellar rotational velocities
III. The probability distribution function via maximum likelihood utilizing finite distribution mixtures. In Astronomy & Astrophysics, Vol. 623(A138):1-11, 2019.
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M Coronel,
R Carvajal and
J.C Agüero. Identification of Continuous-Time Deterministic System utilizing Orthonormal Basis Functions and Sample Data. In 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), IEEE, Valparaiso, Chile, 13-27 November 2019.
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R Albornoz,
R Carvajal and
J.C Agüero. A Novel Bayesian Filtering Method for Systems with Quantized Output Data. In 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), IEEE, Valparaiso, Chile, 13-27 November 2019.
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P Varas,
R Carvajal and
J.C Agüero. State Estimation for SAG Mills utilizing a simplified model with an alternative measurement. In 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), IEEE, Valparaiso, Chile, 13-27 November 2019.
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F Arancibia,
R Carvajal and
J.C Agüero. Parameter Estimation over Wired Networks with Time-Delay and Packet Collision. In 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), IEEE, Valparaiso, Chile, 13-27 November 2019.
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R Orellana,
R Carvajal and
J.C Agüero. Empirical Bayes estimation utilizing finite Gaussian Mixture Models. In 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), IEEE, Valparaiso, Chile, 13-27 November 2019.
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N Soto-Munoz, C Langedijk,
P Escarate,
R Carvajal and
J.C Agüero. Identification and control of an experimental Adaptive Optics setup. In 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), IEEE, Valparaiso, Chile, 13-27 November 2019.
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G. Bittner,
R Orellana,
R Carvajal and J.C. Aguero. Maximum Likelihood identification for Linear Dynamic Systems with finite Gaussian mixture noise distribution. In 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), IEEE, Valparaiso, Chile, 13-27 November 2019.
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G. Bittner,
R Orellana,
R Carvajal and
J.C Agüero. Maximum Likelihood identification for Linear Dynamic Systems with finite Gaussian mixture noise distribution. In 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), IEEE, Valparaiso, Chile, 13-27 November 2019.
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K Gonzalez,
R Carvajal and
P Escarate. Maximum Likelihood Identification of a Continuous-Time Oscillator Utilizing Sampled Data. In 18th IFAC Symposium on System Identification SYSID 2018, IFAC-PapersOnLine, Vol. 51(15):712-717, Stockholm, Sweden, 9-11 July 2018.
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K Gonzalez,
M Coronel,
R Carvajal,
P Escarate and
J.C Agüero. Maximum Likelihood Identification of a Continuous-Time Oscillator Utilizing Sampled Data. In 18th IFAC Symposium on System Identification SYSID, IFAC-PapersOnLine, Vol. 51(15): 712-717, Stockholm, Sweden, January 2018.
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R Orellana,
R Carvajal and
J.C Agüero. Maximum Likelihood Infinite Mixture Distribution Estimation Utilizing Finite Gaussian Mixtures. In 18th IFAC Symposium on System Identification SYSID 2018, IFAC-PapersOnLine, Vol. 51(15):706-711, Stockholm, Sweden, 9 July - 11 January 2018.
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P Escarate,
R Carvajal, L Close, J Males, K Morzinski and
J.C Agüero. Minimum variance control for mitigation of vibrations in adaptive optics systems. In Applied Optics, Vol. 56(19):5388-, 2017.
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J.C Agüero,
K Gonzalez and
R Carvajal. EM-based identification of ARX systems having quantized output data. In 20th IFAC World Congress , IFAC-PapersOnLine, Vol. 50(1):8367-8372, Toulousse, France, July 2017.
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R Carvajal and
J.C Agüero. On the dimension of the Krylov subspace in low complexity wireless
communications linear receivers. In IEEE Latin America Transactions, Vol. 14(3):1192-1198, March 2016.
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G Urrutia,
R.A. Delgado,
R Carvajal, D. Katselis and
J.C Agüero. Sparse Logistic Regression Utilizing Cardinality Constraints and Information Criteria. In IEEE Multi-Conference on Systems and Control 2016, Buenos Aires, Argentina, 19-22 September 2016.
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R Carvajal,
G Urrutia and
J.C Agüero. An Optimization-Based Algorithm for Model Selection Using Akaike's Information Criterion. In 2016 Australian Control Conference, AUCC 2016, Newcastle, Australia, 3-4 November 2016.
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R Carvajal,
K. Rivas and
J.C Agüero. Information Criterion-Based Channel Estimation in OFDM Systems with Time and Frequency Offset. In 8th IEEE Latin-American Conference on Communication , Arequipa, Peru, September 2016.
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R Carvajal,
J.C Agüero,
B.I. Godoy and D. Katselis. A MAP approach for lq-norm regularized sparse parameter estimation using the EM algorithm. In IEEE International Workshop on Machine Learning for Signal Processing (MLSP 2015), Boston, USA, 17-20 September 2015.
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R Carvajal,
J.C Agüero,
B.I. Godoy and D. Katselis. EM-based sparse channel estimation in OFDM systems with lq-norm regularization in the presence of phase noise and frequency offset. In The 7th Latin-American Conference on Communications (LATINCOM 2015), Arequipa, Perú, 4-6 November 2015.
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B.I. Godoy,
J.C Agüero,
R Carvajal, G.C. Goodwin and
J.I. Yuz. Identification of sparse FIR systems using a general quantization scheme. In International Journal of Control, Vol. 84(4):874-886, April 2014.
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R Carvajal,
B.I. Godoy,
J.C Agüero,
J.I. Yuz and
W. Creixell. EM-based ML Channel Estimation in OFDM Systems with Phase Distortion Using RB-EKF. In 17th International Symposium on Wireless Personal Multimedia Communications (WPMC'2014), Sydney, Australia, 7-10 September 2014.
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M. Cea, G.C. Goodwin,
R Carvajal, R.H. Middleton, K. Mahata and R. S. Karlsson. Channel estimation and interpolation for fourth generation mobile broadband telecommunications. In 19th IFAC World Congress, Ciudad del Cabo, Sudáfrica, 24-29 August 2014.
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R Carvajal. EM-based channel estimation in multicarrier systems. Presentación, 3 January 2013. 
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R Carvajal,
J.C Agüero,
B.I. Godoy and G.C. Goodwin. EM-Based Maximum-Likelihood channel estimation in Muticarrier systems with phase distorsion. In IEEE Trans. Veh. Technol., Vol. 62(1):152-160 , 2013.
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B.I. Godoy,
R Carvajal and
J.C Agüero. An EM-based estimation algorithm for a class of systems promoting sparsity. In 12th European Control Conference, ECC, Zurich, Switzerland, 17-19 July 2013.
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R Carvajal,
J.C Agüero,
B.I. Godoy, G.C. Goodwin and
J.I. Yuz. EM-based identification of sparse FIR systems having quantized data. In 16th IFAC Symposium on System Identification, Brussels, Belgium, 11-13 July 2012.
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R Carvajal,
B.I. Godoy,
J.C Agüero and G.C. Goodwin. EM-based sparse channel estimation in OFDM systems. In 13th IEEE Workshop on Signal Process. Adv. in Wireless Commun. SPAWC, Cesme, Turkey, 2012.
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R Carvajal,
J.C Agüero and K. Mahata. Low complexity Wiener filtering in CDMA systems using a class of pseudo-noise spreading codes. In IEEE Commun. Letters., Vol. 16(9):1357–1360 , 2012.
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R Carvajal, R. Delgado,
J.C Agüero and G.C. Goodwin. An identification method for Errors-in -Variables systems using incomplete data. In the 16th IFAC Symposium on System Identification, SYSID, Brussels, Belgium , 2012.
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R.A. Delgado, G.C. Goodwin,
R Carvajal and
J.C Agüero. A novel approach to model error modelling using the expectation-maximization algorithm. In 51st IEEE Conference on Decision and Control, Maui, USA, 10-13 December 2012.
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R Carvajal,
J.C Agüero,
B.I. Godoy and G.C. Goodwin. On the accuracy of phase noise bandwidth estimation in OFDM systems. In 12th IEEE Workshop on Signal Process. Adv. in Wireless Commun., San Francisco, USA, 2011.
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R Carvajal,
B.I. Godoy,
J.C Agüero and G.C. Goodwin. EM based channel estimation in OFDM systems with phase noise. In IEEE Global Communications Conference, GLOBECOM, Houston, USA , 2011.
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