Results 51 to 60 of about 355,372 (306)

Automated Observability Investigation of Analog Electronic Circuits using SPICE [PDF]

open access: yes, 2011
In the present paper, a computer-aided approach to fault observability investigation of linear analog circuits is developed. The method is based on sensitivity investigation of the test characteristics in the frequency domain.
Atanasov, Anton   +2 more
core  

On stabilizability and exact observability of stochastic systems with their applications [PDF]

open access: yesat - Automatisierungstechnik, 2023
Weihai Zhang, Bor‐Sen Chen
semanticscholar   +1 more source

Observability of Complex Systems: Finding the Gap

open access: yesScientific Reports, 2017
For a reconstruction of state and parameter values in a dynamic system model, first the question whether these values can be uniquely determined from the data must be answered.
J. D. Stigter, D. Joubert, Jaap Molenaar
semanticscholar   +1 more source

Observability Analysis and State Estimation of Lithium-Ion Batteries in the Presence of Sensor Biases [PDF]

open access: yesIEEE Transactions on Control Systems Technology, 2015
This brief investigates the observability of one of the most commonly used equivalent circuit models (ECMs) for lithium-ion batteries and presents a method to estimate the state of charge in the presence of sensor biases, highlighting the importance of ...
Shi Zhao, S. Duncan, D. Howey
semanticscholar   +1 more source

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

open access: yesFEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

On the placing of synchronized vector measurements in network 110 - 330 kV for identification of the Kaliningrad region power system regime

open access: yesE3S Web of Conferences, 2018
A solution is presented for the problem of placing phasor measurement unit to identify the mathematical model of the electric power system in the state space. The criterion for complete observability of the Kalman dynamic system is taken as a basis. As a
Gadzhiev Magomed   +4 more
doaj   +1 more source

Meta‐analysis fails to show any correlation between protein abundance and ubiquitination changes

open access: yesFEBS Open Bio, EarlyView.
We analyzed over 50 published proteomics datasets to explore the relationship between protein levels and ubiquitination changes across multiple experimental conditions and biological systems. Although ubiquitination is often associated with protein degradation, our analysis shows that changes in ubiquitination do not globally correlate with changes in ...
Nerea Osinalde   +3 more
wiley   +1 more source

Data‐driven observability analysis and enhancement for radome slope estimation with constraints on impact angle and terminal acceleration

open access: yesIET Radar, Sonar & Navigation
The authors address the problem of observability analysis and enhancement for missiles equipped with strapdown seekers, especially considering the line‐of‐sight angle‐only measurements and the constraints on impact angle and terminal acceleration. First,
Bingyu Jin, Kelin Lu, Yuping Lu
doaj   +1 more source

A Heuristic Solution Algorithm for a Comprehensive Optimal Phasor Measurement Unit Placement Considering Zero-Injection Buses and Practical Constraints in Power System State Observability Problem

open access: yesIEEE Access
Accurate power system observability relies on the optimal phasor measurement unit (PMU) placement to minimize costs while ensuring complete state observability. However, modeling the effect of zero-injection (ZI) buses remains a key challenge.
Sayed Hamid Hosseini Dolatabadi   +2 more
doaj   +1 more source

Controllability and Observability of Fractional Linear Systems with Two Different Orders

open access: yesThe Scientific World Journal, 2014
This paper is concerned with the controllability and observability for a class of fractional linear systems with two different orders. The sufficient and necessary conditions for state controllability and state observability of such systems are ...
Dengguo Xu, Yanmei Li, Weifeng Zhou
doaj   +1 more source

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