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Tytuł:
Cracking control technique for continuous steel-concrete composite girders under negative bending moment
Autorzy:
Cai, Min
Li, Wenjie
Wan, Zhiyong
Sheng, Jianjun
Tan, Juliang
Ma, Chao
Powiązania:
https://bibliotekanauki.pl/articles/27312132.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
dźwigar ciągły
dźwigar zespolony
dźwigar stalowo-betonowy
odporność na pękanie
wzmocnienie
beton ultra wysokiej wartości
continuous girder
steel-concrete composite girder
hogging moment
cracking control
strengthening
ultra high performance concrete
Opis:
Continuous steel-concrete composite girder can fully utilize material strength and possess large spanning ability for bridge constructions. However, the weak cracking resistance at the negative bending moment region of the girder seriously harms its durability and serviceability. This paper investigates practical techniques to improve the cracking performance of continuous steel-concrete composite girders subjected to hogging moment.Areal continuous girderwas selected as the background bridge and introduced for numerical analysis. Modeling results show that under the serviceability limit state, the principle stress of concrete slabs near the middle piers of the bridgewas far beyond the allowable material strength, producing a maximum tensile stress of 10.0 MPa. Approaches for strengthening concrete decks at the negative moment region were developed and the effectiveness of each approach was assessed by examing the tensile stress in the slabs. Results indicate that the temporary counterweight approach decreased the maximum tensile stress in concrete slabs by 22%. Due to concrete shrinkage and creep, more than 65% of the prestressed compressive stresses in concrete slabs were finally dispersed to the steel beams. A thin ultra-high performance concrete (UHPC) overlay at the hogging moment region effectively increased the cracking resistance of the slabs, and practical engineering results convicted the applicability of the UHPC technique.
Źródło:
Archives of Civil Engineering; 2023, 69, 3; 239--251
1230-2945
Pojawia się w:
Archives of Civil Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Event-triggered cooperative control for high-order nonlinear multi-agent systems with finite-time consensus
Autorzy:
Gong, Shiyin
Zheng, Meirong
Hu, Jing
Zhang, Anguo
Powiązania:
https://bibliotekanauki.pl/articles/24200691.pdf
Data publikacji:
2023
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
multiagent system
cooperative control
event triggered control
neuroadaptive control
prescribed performance
system wieloagentowy
sterowanie wyzwalane zdarzeniami
sterowanie neuroadaptacyjne
Opis:
An event-triggered adaptive control algorithm is proposed for cooperative tracking control of high-order nonlinear multiagent systems (MASs) with prescribed performance and full-state constraints. The algorithm combines dynamic surface technology and the backstepping recursive design method, with radial basis function neural networks (RBFNNs) used to approximate the unknown nonlinearity. The barrier Lyapunov function and finite-time stability theory are employed to prove that all agent states are semi-globally uniform and ultimately bounded, with the tracking error converging to a bounded neighborhood of zero in a finite time. Numerical simulations are provided to demonstrate the effectiveness of the proposed control scheme.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2023, 33, 3; 439--448
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of a nonlinear tuned mass damper by using the multi-scale method
Autorzy:
Liu, Junfeng
Yao, Ji
Huang, Kun
Zhang, Qing
Ze, Li
Powiązania:
https://bibliotekanauki.pl/articles/2104766.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
nonlinear characteristics
complex average method
multi-scale method
nonlinear design
control performance
Opis:
A tuned mass damper is a kind of vibration damping device which has been widely used in tall buildings, machinery, bridges, aerospace engineering and other fields. In practical engineering applications, due to large deformation caused by large displacement, errors in engineering constructions and the existence of limit devices, the structure and tuned mass dampers inevitably produce some nonlinear characteristics, but these nonlinearities are often ignored. The results of this study confirm that the nonlinearity of the structure and the mass damper should be considered in the process of optimal frequency design, otherwise there will be a large deviation between the design optimal frequency of the mass damper and the actual optimal frequency. In this paper, nonlinear characteristics of the tuned mass damper and the main structure are considered. The first-order differential equations are obtained by using the complex average method, and the nonlinear equations of the tuned mass damper system are derived by using the multi-scale method. On this basis, the parameters are determined. The numerical results show that the error of the approximate solution method is small in the given example. The nonlinear tuned mass damper with nonlinear design exhibits a better control performance.
Źródło:
Journal of Theoretical and Applied Mechanics; 2022, 60, 3; 463--477
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dynamic performance and stability analysis of an active inerter-based suspension with time-delayed acceleration feedback control
Autorzy:
Wang, Yong
Jin, Xian-Yu
Zhang, Yun-Shun
Ding, Hu
Chen, Li-Qun
Powiązania:
https://bibliotekanauki.pl/articles/2173651.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
active inerter-based suspension
acceleration feedback control
dynamic performance
stability analysis
time delay
kontrola sprzężenia zwrotnego przyspieszenia
wydajność dynamiczna
aktywne zawieszenie na bazie inertera
analiza stabilności
opóźnienie
Opis:
An active inerter-based suspension with acceleration feedback control is proposed in this paper, the time delay generated in the controllers and actuators is considered, which constitutes the time-delayed active inerter-based (TDA-IB) suspension. The dynamic equation of the TDA-IB suspension is established and is a neutral type of delay differential equation (NDDE) in which the time delay exists in the highestorder derivative. The stability analysis is conducted by calculating the number of unstable characteristic roots based on the definite integral stability method, the stable and unstable regions are determined. The effect of time delay and feedback gain on the dynamic performance of the TDA-IB suspension under harmonic, random, and shock excitations is studied in detail and compared with the parallel-connected inerterbased (PC-IB) and traditional suspensions. The results show that the TDA-IB suspension is asymptotically stable for smaller feedback gain and time delay, through increasing the feedback gain, the stable regions shrink, and a smaller time delay could cause the system to become unstable. Furthermore, the time delay could regulate the resonance peak around the unsprung mass natural frequency and generate multiple high-frequency resonance peaks. If the time delay is chosen appropriately and falls into the stable range, the TDA-IB suspension could improve the dynamic performance for the suspension stroke and dynamic tire load while having a deterioration for the vehicle body acceleration compared with the PC-IB and traditional suspensions.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2022, 70, 2; art. no. e140687
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Measurement of the physicochemical, performance, and consumer-information characteristics of commercial nonmedicated shampoo for dogs
Autorzy:
Peña-Corona, S.I.
Juárez-Rodríguez, I.
Vargas-Estrada, D.
Amador-González, E.
Arvizu-Tovar, L.
Soberanis-Ramos, O.
Powiązania:
https://bibliotekanauki.pl/articles/16539147.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
veterinary shampoo
quality control
sensory evaluation
performance evaluation
label
animal welfare
dog bath
Opis:
The aim was to analyze the quality of commercial shampoo without prophylactic effect for dogs. The analysis was based on the evaluations and requirements established for human-line products since there is no guide for veterinary products in Mexico; such evaluations have not been carried out or published in Mexico. Physicochemical, sensory, performance, and consumer information tests of the shampoo were carried out. The sample consisted of twenty products marketed in Mexico City. During the evaluation of the label, a serious non-compliance with applicable regulations was found. The pH of the products ranged between 5.6 and 8.4; Significant differences (p<0.05) were found between the three groups with low (6.1), medium (7.2), and high (8.1) pH. Viscosity values were from 1131 to 3102. For the foam index, no statistically significant differences were found. 100% of the products analyzed complied with the rest of the quality tests carried out. The results of the quality analysis in this study will allow veterinarians specializing in small species to better select and recommend the products for their use and inform dog owners, about the safety, and value of the products.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 2; 213-221
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Order picking and loading-dock arrival punctuality performance indicators for supply chain management: a case study
Autorzy:
Marzialia, Micaela
Rossit, Daniel Alejandro
Toncovicha, Adrián
Powiązania:
https://bibliotekanauki.pl/articles/2105305.pdf
Data publikacji:
2022
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
supply chain management
key performance indicators
control
logistics
operations management
zarządzanie łańcuchem dostaw
kluczowe wskaźniki wydajności
kontrola
logistyka
zarządzanie operacjami
Opis:
Supply chain activity control is an essential part of Supply Chain Management (SCM), ensuring compliance with customer requirements. This paper presents a case study into the control of SCM activities. The study analysed two areas involving two different SC links associated with order picking, and outsourced truck freights, respectively. The studied company had problems with these links. An approach based on developing a KPI (Key Performance Indicator) was proposed to address the issues. Consequently, different affected processes were analysed and characterised, considering the relevant data for defining a KPI. Then, strategies and methods were devised for data collection and processing regarding the system’s current state. Finally, tools were designed to facilitate the interpretation of the system’s current state and thus, pave the way for the decision-making process on corrective measures.
Źródło:
Engineering Management in Production and Services; 2022, 14, 1; 26--34
2543-6597
2543-912X
Pojawia się w:
Engineering Management in Production and Services
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Performance analysis between a hybrid force/position and conventional controllers for a wrist exoskeleton
Autorzy:
Avilés, Valeria
Avilés, Oscar F.
Aponte, Jorge
Caldas, Oscar I.
Mauledoux, Mauricio F.
Powiązania:
https://bibliotekanauki.pl/articles/2134891.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
exoskeleton
hybrid control
force
performance
position
Opis:
This study analyses the performances of various path controlling strategies for a 3-degrees of freedom wrist exoskeleton, by comparing key indicators, such as rise time, steady-state error, and implementation difficulty. A model was built to describe both system’s kinematics and dynamics, as well as 3 different controllers (PID, PD+, and a hybrid force/position controller) that were designed to allow each joint to perform smooth motions within anatomic ranges. The corresponding simulation was run and assessed via Matlab (version 2020a). In addition to the performance comparison, remarkable characteristics could be identified among controllers. PD+ showed higher response speed than the other controllers (about 4 times), and PID was reinforced as the technique with the easiest implementation due to the smallest matrices. The study also allowed to greater potential of the hybrid controller to interact with its environment, i.e., the robotic device.
Źródło:
Archives of Control Sciences; 2022, 32, 2; 409--427
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pore structure and surface properties of diatomite with mechanical grinding and its influence on humidity control
Autorzy:
Hu, Zhibo
Zheng, Shuilin
Li, Jinyu
Zhang, Shuaiqian
Liu, Min
Wang, Zhicheng
Li, Jiaxin
Sun, Hongjuan
Powiązania:
https://bibliotekanauki.pl/articles/2175445.pdf
Data publikacji:
2022
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
diatomite
mechanical grinding
pore structure
surface properties
humidity control performance
Opis:
Mechanical grinding (MG) is an effective method to regulate the pore structure and surface properties of mineral material. Grinding diatomite samples were prepared by horizontal sander under different grinding time. The pore structure and surface properties of grinding samples were characterized systematically by the particle size analysis, low temperature nitrogen adsorption, MIP, fractal theory, XRD, SEM, TEM, FTIR and surface hydroxyl density analysis. The humidity control performance (HCP) of grinding diatomite was tested under different temperature and relative humidity. The relationship among pore structure, surface properties and HCP was analyzed. The results show that macroporous is more easily damaged by mechanical force than mesoporous, and the internal blind holes structure can be opened. The HCP of diatomite is positively correlated with the specific surface area, mesoporous volume, the inhomogeneity of macroporous structure and the number of hydroxyl groups, while negatively correlated with the proportion of macroporous volume.
Źródło:
Physicochemical Problems of Mineral Processing; 2022, 58, 6; art. no. 153509
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Active power losses and energy efficiency analysis of HPS lamps with electromagnetic control gear and electronic ballast under the sinusoidal and nonsinusoidal condition
Autorzy:
Sikora, Roman
Markiewicz, Przemysław
Rózga, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/2173621.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
HPS lamps
electromagnetic control gear
electronic ballast
energy performance indicator
road lighting
lampa HPS
układ sterowania elektromagnetyczny
balast elektroniczny
wskaźnik wydajności energetycznej
oświetlenie drogowe
Opis:
Outdoor lighting is an important element in creating an evening and nocturnal image of urban spaces. Properly designed and constructed lighting installations provide residents with comfort and security. One way to improve the energy efficiency of road lighting installation is to replace the electromagnetic control gear (ECG) with electronic ballasts (EB). The main purpose of this article is to provide an in-depth comparative analysis of the energy efficiency and performance of HPS lamps with ECG and EB. It will compare their performance under sinusoidal and nonsinusoidal voltage supply conditions for the four most commonly used HPS lamps of 70 W, 100 W, 150 W, and 250 W. The number of luminaires supplied from one circuit was determined based on the value of permissible active power losses. With the use of the DIALux program, projects of road lighting installation were developed. On this basis, energy performance indicators, electricity consumption, electricity costs, and CO 2 emissions were calculated for one-phase and three-phase installations. The obtained results indicate that an HPS lamp with EB is better than an HPS lamp with ECG in terms of energy quality, energy savings, and environmental impact. The results of this analysis are expected to assist in the choice of HPS lighting technology.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 3; art. no. e137194
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Active power losses and energy efficiency analysis of HPS lamps with electromagnetic control gear and electronic ballast under the sinusoidal and nonsinusoidal condition
Autorzy:
Sikora, Roman
Markiewicz, Przemysław
Rózga, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/2128159.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
HPS lamps
electromagnetic control gear
electronic ballast
energy performance indicator
road lighting
lampa HPS
układ sterowania elektromagnetyczny
balast elektroniczny
wskaźnik wydajności energetycznej
oświetlenie drogowe
Opis:
Outdoor lighting is an important element in creating an evening and nocturnal image of urban spaces. Properly designed and constructed lighting installations provide residents with comfort and security. One way to improve the energy efficiency of road lighting installation is to replace the electromagnetic control gear (ECG) with electronic ballasts (EB). The main purpose of this article is to provide an in-depth comparative analysis of the energy efficiency and performance of HPS lamps with ECG and EB. It will compare their performance under sinusoidal and nonsinusoidal voltage supply conditions for the four most commonly used HPS lamps of 70 W, 100 W, 150 W, and 250 W. The number of luminaires supplied from one circuit was determined based on the value of permissible active power losses. With the use of the DIALux program, projects of road lighting installation were developed. On this basis, energy performance indicators, electricity consumption, electricity costs, and CO 2 emissions were calculated for one-phase and three-phase installations. The obtained results indicate that an HPS lamp with EB is better than an HPS lamp with ECG in terms of energy quality, energy savings, and environmental impact. The results of this analysis are expected to assist in the choice of HPS lighting technology.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 3; e137194, 1--22
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kluczowe wskaźniki wyników w kontroli zarządczej przedsiębiorstw
Key performance indicators in the management control of enterprises
Autorzy:
Krzeszowski, Wojciech Dawid
Powiązania:
https://bibliotekanauki.pl/articles/1621765.pdf
Data publikacji:
2021
Wydawca:
Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:
kluczowe wskaźniki wyników (KPI)
kluczowe wskaźniki efektywności
kluczowe wskaźniki dokonań
kontrola zarządcza
pomiar wyników
Key Performance Indicators (KPIs)
management control
performance measurement
Opis:
Istotnym elementem kontroli zarządczej są kluczowe wskaźniki wyników (KPI). Cele artykułu to analiza miejsca KPI w kontroli zarządczej i wytycznych ich konstruowania oraz zaprezentowanie przykładowych wskaźników KPI w przedsiębiorstwie X. Osiągnięto je dzięki studium literatury, jej krytycznej analizie, praktycznym doświadczeniom autora oraz egzemplifikacji problematyki KPI w kontroli menedżerskiej. Przy definiowaniu KPI należy uwzględnić zależność między nimi a strategią i strukturą organizacyjną, warto kierować się wzrostem wartości przedsiębiorstwa, należy też powiązać cele firmy z zadaniami pracowników. Wykorzystywanie wskaźników KPI może powodować ogólną koncentrację na jednym określonym zestawie mierników i pominięcie innych mogących mieć znaczenie w realizacji strategii przedsiębiorstwa. Uzupełniono literaturę o ukazanie pomiaru i oceny wyników jako jednego z podstawowych zadań zarządzania przedsiębiorstwem konstytuujących kontrolę zarządczą, wytyczne dotyczące wyznaczania KPI, egzemplifikację problematyki KPI w kontroli zarządczej.
Key Performance Indicators (KPIs) are an important element of management control. The aim of the article is to consider the place of KPIs in management control and to propose guidelines for their construction as well as to exemplify this issue in X organisation. The goal was achieved throught the study of the literature, its critical analysis, the author’s practical experience and the exemplification of KPI issues in managerial control. Defining KPIs: the dependence between them and the strategy and organizational structure should be taken into account, it is worth being guided by the growth of the company’s value, the tasks for employees should be related to the goals of the company. From a practical point of view, it should be remembered that the use of KPIs may also have its “dark sides”, namely it may cause a general focus on one specific set of measures, ignoring others that may also be important in the implementation of the company’s strategy. The literature was supplemented with: showing the measurement and evaluation of company performance as one of the basic tasks of company management, constituting management control, guidelines for defining KPIs, exemplifying the issue of KPIs in management control.
Źródło:
Prace Naukowe Uniwersytetu Ekonomicznego we Wrocławiu; 2021, 65, 3; 67-82
1899-3192
Pojawia się w:
Prace Naukowe Uniwersytetu Ekonomicznego we Wrocławiu
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Warehouse Management Problem and a KPI Approach: a Case Study
Autorzy:
Marziali, Micaela
Rossit, Daniel Alejandro
Toncovich, Adrián
Powiązania:
https://bibliotekanauki.pl/articles/2023969.pdf
Data publikacji:
2021-09
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
stock control
logistics
operations management
key performance indicators
warehouse management
control function
Opis:
Warehouse and inventory management is a recurring issue in many of the different supply chains in diverse industries, where the constant changes in the markets have a direct impact on the management of warehouses and inventories, either generating over-stocks or shortages. This paper presents a case study on warehouse and inventory management control. The company under study was having problems in this area, where over-stocks were generated frequently, leading to various incidents, such as having to store finished and packaged product in unsuitable places, with the associated risk of deterioration. To deal with this problem, control tools based on the KPI (Key Performance Indicator) concept were developed. To this end, the corresponding problem and the information management process within the Supply Chain department had to be analyzed. In this case, it was observed that the databases were not synchronized, therefore strategies were proposed to systematize the collection and updating of data. In addition, to summarize the information, we proceeded to the implementation of an interactive form that facilitates the visualization and interpretation of the evolution of the process, and to be able to apply an efficient control on it, and thus to propose corrective actions supported by evidence.
Źródło:
Management and Production Engineering Review; 2021, 13, 3; 51-62
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fractional order tube model reference adaptive control for a class of fractional order linear systems
Autorzy:
Balaska, Hanane
Ladaci, Samir
Djouambi, Abdelbaki
Schulte, Horst
Bourouba, Bachir
Powiązania:
https://bibliotekanauki.pl/articles/330930.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
fractional order system
linear system
model reference adaptive control
fractional adaptive control
performance tube
fractional order TMRAC
system ułamkowego rzędu
system liniowy
sterowanie adaptacyjne
Opis:
We introduce a novel fractional order adaptive control design based on the tube model reference adaptive control (TMRAC) scheme for a class of fractional order linear systems. By considering an adaptive state feedback control configuration, the main idea is to replace the classical reference model with a single predetermined trajectory by a fractional order performance tube guidance model allowing a set of admissible trajectories. Besides, an optimization problem is formulated to compute an on-line correction control signal within specified bounds in order to update the system performance while minimizing a control cost criterion. The asymptotic stability of the closed loop fractional order control system is demonstrated using an extension of the Lyapunov direct method. The dynamical performance of the fractional order tube model reference adaptive control (FOTMRAC) is compared with the standard fractional order model reference adaptive control (FOMRAC) strategy, and the simulation results show the effectiveness of the proposed control method.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2020, 30, 3; 501-515
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multi-mode switching control of hybrid electromagnetic suspension based on road conditions adaptation
Autorzy:
Meng, Xiangpeng
Ding, Renkai
Sun, Zeyu
Wang, Ruochen
Chen, Long
Powiązania:
https://bibliotekanauki.pl/articles/2055038.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
hybrid electromagnetic suspension
multi-mode switching control
road conditions
adaptation
dynamic performance
energy regeneration
Opis:
In this research, a hybrid electromagnetic actuator is proposed to coordinate the contradictions between dynamic performance and energy consumption of an electromagnetic suspension. The hybrid electromagnetic suspension (HEMS) is configured to operate in the passive energy regeneration mode, active control ride comfort mode or active control driving safety mode depending on the road excitation frequency. Then, the HEMS system is modeled. The simulation results show that the HEMS can automatically switch between different modes, and realize an effective coordination between dynamic performance and energy saving. Finally, a quarter car test is conducted, which verifies the effectiveness of the multi-mode switching control.
Źródło:
Journal of Theoretical and Applied Mechanics; 2020, 58, 3; 697--710
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Robust trajectory tracking control of underactuated surface vehicles with prescribed performance
Autorzy:
Wang, Shasha
Tuo, Yulong
Powiązania:
https://bibliotekanauki.pl/articles/1573775.pdf
Data publikacji:
2020
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
robust sliding mode control
prescribed performance
guaranteed transient performance
trajectory tracking
underactuated surface vehicle
Opis:
In this paper, a robust sliding mode tracking controller with prescribed performance is developed for an underactuated surface vehicle (USV) with time-varying external disturbances. Firstly, to guarantee the transient and steadystate performance of the closed-loop system, the error transformation technique is presented. Further, the design of the prescribed performance function implements predefined tracking performance constraints, which eliminate the requirement for prior knowledge about the initial errors. Then, a Lyapunov stability synthesis shows that all closed-loop signals remain bounded and the tracking errors remain strictly within the predefined bounds. Finally, simulations and a comparative study are performed to illustrate the robustness and effectiveness of the proposed robust sliding mode control scheme.
Źródło:
Polish Maritime Research; 2020, 4; 148-156
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 58

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