User profiles for K. Grigoriadis

Karolos Grigoriadis

Professor, Mechanical Engineering, Univ. of Houston
Verified email at uh.edu
Cited by 10036

Static output feedback—a survey

VL Syrmos, CT Abdallah, P Dorato, K Grigoriadis - Automatica, 1997 - Elsevier
… gain K. … in k,,, which is the ijth component of the feedback matrix K. Decision methods permit
one to establish, in a finite number of algebraic steps, the existence of real variables k,, such …

[HTML][HTML] The evolution of lung cancer and impact of subclonal selection in TRACERx

…, K Grigoriadis, DA Moore, JRM Black, WK Liu, K Thol… - Nature, 2023 - nature.com
Lung cancer is the leading cause of cancer-associated mortality worldwide 1 . Here we
analysed 1,644 tumour regions sampled at surgery or during follow-up from the first 421 patients …

Tracking early lung cancer metastatic dissemination in TRACERx using ctDNA

…, S Ward, K Grigoriadis, A Shahpurwalla, K Litchfield… - Nature, 2023 - nature.com
Circulating tumour DNA (ctDNA) can be used to detect and profile residual tumour cells
persisting after curative intent therapy 1 . The study of large patient cohorts incorporating …

[HTML][HTML] The evolution of non-small cell lung cancer metastases in TRACERx

M Al Bakir, A Huebner, C Martínez-Ruiz, K Grigoriadis… - Nature, 2023 - nature.com
Metastatic disease is responsible for the majority of cancer-related deaths 1 . We report the
longitudinal evolutionary analysis of 126 non-small cell lung cancer (NSCLC) tumours from …

Low-order control design for LMI problems using alternating projection methods

KM Grigoriadis, RE Skelton - Automatica, 1996 - Elsevier
… abridged version of this paper was presented by Grigoriadis and Skelton (1993). We shall
use the following notation: AT will denote … where k is a given integer such that II I k 5 2n, and …

Evolutionary characterization of lung adenocarcinoma morphology in TRACERx

…, S Ward, MA Bakir, TBK Watkins, K Grigoriadis… - Nature medicine, 2023 - nature.com
Lung adenocarcinomas (LUADs) display a broad histological spectrum from low-grade
lepidic tumors through to mid-grade acinar and papillary and high-grade solid, cribriform and …

Reduced-order H/sub/spl infin//and L/sub 2/-L/sub/spl infin//filtering via linear matrix inequalities

KM Grigoriadis, JT Watson - IEEE Transactions on Aerospace …, 1997 - ieeexplore.ieee.org
… The matrix norm k¢k is the maximum singular value of a matrix, that is kAk = ¾(A) = fmax(AAT)g1=2.
Given a real n£m matrix B with rank r, the orthogonal complement B? is defined as …

[BOOK][B] Actuator saturation control

V Kapila, K Grigoriadis - 2002 - taylorfrancis.com
… Chapter 11 by Wu and Grigoriadis addresses the problem of feedback control design in
the presence of actuator amplitude saturation. Specifically, by exploiting the LPV design …

LPV systems with parameter-varying time delays: analysis and control

F Wu, KM Grigoriadis - Automatica, 2001 - Elsevier
In this paper, we address the analysis and state-feedback synthesis problems for linear
parameter-varying (LPV) systems with parameter-varying time delays. It is assumed that the state-…

Anti-windup controller design using linear parameter-varying control methods

F Wu, KM Grigoriadis, A Packard - International Journal of Control, 2000 - Taylor & Francis
<p>In this paper, we seek to provide a systematic anti-windup control synthesis approach for
systems with actuator saturation within a linear parameter-varying (LPV) design framework. …