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Mathematical and Computer Modelling of Dynamical Systems最新文献

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Modelling and analysis of haemoglobin catalytic reaction kinetic system 血红蛋白催化反应动力学系统的建模与分析
IF 1.9 4区 数学
Mathematical and Computer Modelling of Dynamical Systems Pub Date : 2020-06-16 DOI: 10.1080/13873954.2020.1771379
Yanhong Liu, Hui Lv, Bin Wang, Deyun Yang, Qiang Zhang
{"title":"Modelling and analysis of haemoglobin catalytic reaction kinetic system","authors":"Yanhong Liu, Hui Lv, Bin Wang, Deyun Yang, Qiang Zhang","doi":"10.1080/13873954.2020.1771379","DOIUrl":"https://doi.org/10.1080/13873954.2020.1771379","url":null,"abstract":"ABSTRACT In order to study whether haemoglobin (Hb) can replace peroxidase and has good catalytic properties. The key to exploring the characteristics of Hb peroxidase is to establish a suitable kinetic model, which is studied in this paper. First, according to the Hb catalytic reaction, a nonlinear system is established and improved. It is proved that the established system is in line with the practical significance. The stability of the original system is judged by analysing the stability of the simplified system. Then, considering the effect of time delay on Hb catalytic reaction, a nonlinear time-delay catalytic reaction system is obtained. For convenient application, the system is linearized using Taylor’s formula, and the dynamic characteristics of Hopf bifurcation are analysed. The response diagrams of three system are plotted by setting perturbation parameters, and their variations are observed to analyse the differences among them. The results show that the nonlinear time-delay system can better describe the characteristics of the catalytic reaction.","PeriodicalId":49871,"journal":{"name":"Mathematical and Computer Modelling of Dynamical Systems","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/13873954.2020.1771379","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42370330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Dynamic modelling of a multi-cable driven parallel platform with guiding devices 带有导向装置的多索驱动并联平台的动力学建模
IF 1.9 4区 数学
Mathematical and Computer Modelling of Dynamical Systems Pub Date : 2020-05-03 DOI: 10.1080/13873954.2020.1759653
Yan-de Wang, Z. Kou, Guohua Cao
{"title":"Dynamic modelling of a multi-cable driven parallel platform with guiding devices","authors":"Yan-de Wang, Z. Kou, Guohua Cao","doi":"10.1080/13873954.2020.1759653","DOIUrl":"https://doi.org/10.1080/13873954.2020.1759653","url":null,"abstract":"ABSTRACT In this paper, a mathematical model is presented to numerically simulate the dynamical responses in a multi-cable suspension platform taking into account the slack cables and guiding devices. The state change of the cable (slack versus tensioned) is considered and is described mathematically by a complementary condition equation, and the interactions between the guiding wheels and the shaft wall are described by the Heaviside step function. The Lagrange’s equation with constraints is used to derive the dynamic equations of the system, and a non-smooth generalized-α algorithm for non-smooth phenomena of multibody dynamics is applied to numerically solve the equations. The simulation results have shown the dynamic responses of the platform and the cable tension characters when different cables are excited by different longitudinal excitations. Moreover, the results have illustrated how the cable tension differences may affect the pressure on the shaft wall applied by the guiding devices.","PeriodicalId":49871,"journal":{"name":"Mathematical and Computer Modelling of Dynamical Systems","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/13873954.2020.1759653","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48030761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Trajectory-tracking of 6-RSS Stewart-Gough manipulator by feedback-linearization control using a novel inverse dynamic model based on the force distribution algorithm 基于力分布算法的新型逆动力学模型反馈线性化控制6-RSS Stewart Gough机械手轨迹跟踪
IF 1.9 4区 数学
Mathematical and Computer Modelling of Dynamical Systems Pub Date : 2020-05-03 DOI: 10.1080/13873954.2020.1754861
Zafer Mahmoud, Mohammad Reza Arvan, V. Nekoukar, M. Rezaei
{"title":"Trajectory-tracking of 6-RSS Stewart-Gough manipulator by feedback-linearization control using a novel inverse dynamic model based on the force distribution algorithm","authors":"Zafer Mahmoud, Mohammad Reza Arvan, V. Nekoukar, M. Rezaei","doi":"10.1080/13873954.2020.1754861","DOIUrl":"https://doi.org/10.1080/13873954.2020.1754861","url":null,"abstract":"ABSTRACT 6-RSS Stewart-Gough parallel manipulator contains six crank-rod limbs connecting the base and moving platforms to each other, forming a 6DOF manipulator. In this paper, we introduce a novel decoupled inverse dynamic model for this manipulator based on the Force Distribution Algorithm. The performance of the proposed model was evaluated in tracking a complex trajectory (of multiple segments with simultaneous translational and rotational motions) using feedback-linearization control in the joint space and compared with that of the Lagrangian inverse dynamic model. Results showed that this model leads to a better performance in feedback-linearization control, especially when the reference trajectory is quantized, and with less calculation burden in comparison with the Lagrangian model. The control system employing both models showed robustness against payload uncertainty on the moving platform (150% of the moving platform’s mass). The performance assessment and the robustness approval were performed in simulation using a Simscape model specifically built for this purpose in the Simulink environment.","PeriodicalId":49871,"journal":{"name":"Mathematical and Computer Modelling of Dynamical Systems","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/13873954.2020.1754861","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48701956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
System dynamics modelling of mixed recycling mode based on contract: a case study of online and offline recycling of E-waste in China 基于契约的混合回收模式系统动力学建模——以中国电子垃圾线上与线下回收为例
IF 1.9 4区 数学
Mathematical and Computer Modelling of Dynamical Systems Pub Date : 2020-05-03 DOI: 10.1080/13873954.2020.1762096
Shi-di Miao, Di Liu, Junfeng Ma, Feng Tian
{"title":"System dynamics modelling of mixed recycling mode based on contract: a case study of online and offline recycling of E-waste in China","authors":"Shi-di Miao, Di Liu, Junfeng Ma, Feng Tian","doi":"10.1080/13873954.2020.1762096","DOIUrl":"https://doi.org/10.1080/13873954.2020.1762096","url":null,"abstract":"ABSTRACT As the pace of global sustainable economic development accelerates, increasing attention has been brought to the reutilization of waste electronic resources (E-waste). As the leading manufacturer and consumer of electronic products, China has now become the largest producer of E-waste around the world. Considering the current state of recycling mode in China, Huawei Technologies Co. Ltd. (Huawei) took the lead in implementing a blended operation model of manufacturer-led recycling model (offline recycling, OffR) and retailer-led recycling model (online recycling, OnR). In order for the improvement of recycling efficiency for Huawei and other telecommunication companies, this paper constructs a closed-loop network model of mixed recycling (MR) between manufacturers and retailers based on contract, where manufacturers and retailers jointly recycle E-waste for the provision of E-waste to manufacturers for remanufacturing. In this paper, the MR model is compared against the OffR model and OnR model to evaluate the recycling allocation mechanism run by both manufacturer and retailer and then a contract-based, closed-loop network model of mixed recycling between manufacturers and retailers is developed on the basis of obtaining the optimal MR model. By means of simulation analysis, the optimal recycling allocation ratio between manufacturer and retailer is determined. The results obtained from this study are expected to help manufacturers and retailers with effective negotiation and cooperation, so as to improve the efficiency of E-waste recycling while promoting sustainable development and reducing the economic losses caused by price competition to the minimum. This research contributes to not only the waste management studies but also the recycling of E-waste in China and other countries.","PeriodicalId":49871,"journal":{"name":"Mathematical and Computer Modelling of Dynamical Systems","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/13873954.2020.1762096","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42311682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Robust object-oriented formulation of directed thermofluid stream networks 定向热流体流网络的鲁棒面向对象公式
IF 1.9 4区 数学
Mathematical and Computer Modelling of Dynamical Systems Pub Date : 2020-05-03 DOI: 10.1080/13873954.2020.1757726
D. Zimmer
{"title":"Robust object-oriented formulation of directed thermofluid stream networks","authors":"D. Zimmer","doi":"10.1080/13873954.2020.1757726","DOIUrl":"https://doi.org/10.1080/13873954.2020.1757726","url":null,"abstract":"ABSTRACT Object-oriented formulation of thermal fluid streams often yields large non-linear equation systems whose numerical solution is difficult to achieve. This paper revisits the fundamental equations for thermal fluid streams and introduces a new term: the steady mass flow pressure . Using this term, the equations can be brought into a form where all non-linear computations are explicit. This enables a robust and object-oriented formulation of even complex architectures. The modelling of aircraft environmental control systems is presented as one possible application example.","PeriodicalId":49871,"journal":{"name":"Mathematical and Computer Modelling of Dynamical Systems","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/13873954.2020.1757726","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43135271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Growth rate, growth curve and growth prediction of tumour in the competitive model 竞争模型中肿瘤的生长速率、生长曲线及生长预测
IF 1.9 4区 数学
Mathematical and Computer Modelling of Dynamical Systems Pub Date : 2020-03-03 DOI: 10.1080/13873954.2020.1738498
Mahdi Sohrabi-Haghighat, Atefeh Deris
{"title":"Growth rate, growth curve and growth prediction of tumour in the competitive model","authors":"Mahdi Sohrabi-Haghighat, Atefeh Deris","doi":"10.1080/13873954.2020.1738498","DOIUrl":"https://doi.org/10.1080/13873954.2020.1738498","url":null,"abstract":"ABSTRACT The growth of cancer is still the focus of many research works in the scientific community. So far, various models have been introduced to analyse the behaviour of cancers, including the mathematical growth models such as Logistic, Gompertz and Bertalany. Despite the advances in the analysis of the cancer behaviour, the lack of definitive treatment of cancer disease indicates the need for new perspectives which are supported by more biological background. Recently, a model has been proposed, in which, the tumour growth is interpreted as the outcome of the competition of healthy and cancer cells over the available oxygen, nutrients and space. We have modified this model in order to provide the necessary preparations for wider use of the model in growth rate, growth curve and growth prediction of tumours. Meanwhile, the model is performed on some experimental data to show its capabilities.","PeriodicalId":49871,"journal":{"name":"Mathematical and Computer Modelling of Dynamical Systems","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/13873954.2020.1738498","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42375740","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modelling a Viennese ballroom: agent-based simulation to investigate complex behaviour 维也纳舞厅的建模:基于主体的模拟研究复杂行为
IF 1.9 4区 数学
Mathematical and Computer Modelling of Dynamical Systems Pub Date : 2020-02-19 DOI: 10.1080/13873954.2020.1727930
M. Bicher, S. Winkler, A. Körner
{"title":"Modelling a Viennese ballroom: agent-based simulation to investigate complex behaviour","authors":"M. Bicher, S. Winkler, A. Körner","doi":"10.1080/13873954.2020.1727930","DOIUrl":"https://doi.org/10.1080/13873954.2020.1727930","url":null,"abstract":"ABSTRACT Dancing Viennese Waltz in one of the great historic ballrooms is an important and indispensable part of Austrian culture. This dance, while being tradition, is quite difficult to perform, especially if the dance-floor is crowded. There, it is additionally challenging to avoid collisions with other dancers, as they pace through the ballroom at a high velocity. Dependent on the dancer’s skill level, spinning speed can be adjusted to succeed. This paper presents an agent-based waltz model which makes it possible to investigate the influence of heterogeneously skilled dancers on the movement smoothness of the dancing crowd. Herein, each agent represents one dancing couple in reality and it moves on the dance-floor by a rotatory motion with periodically switching rotation axes. Interaction between agents occurs via inelastic collisions. By performing a couple of case studies, we analyse and quantify the widespread rumour that the presence of only a few unskilled dancers disturbs the flow of the dancing crowd.","PeriodicalId":49871,"journal":{"name":"Mathematical and Computer Modelling of Dynamical Systems","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/13873954.2020.1727930","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47473589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Modelling the clogging of gas turbine filter houses in heavy-duty power generation systems 重型发电系统中燃气轮机过滤室堵塞建模
IF 1.9 4区 数学
Mathematical and Computer Modelling of Dynamical Systems Pub Date : 2020-02-01 DOI: 10.1080/13873954.2020.1713821
S. Abdul-Wahab, A. Omer, K. Yetilmezsoy, Majid Bahramian
{"title":"Modelling the clogging of gas turbine filter houses in heavy-duty power generation systems","authors":"S. Abdul-Wahab, A. Omer, K. Yetilmezsoy, Majid Bahramian","doi":"10.1080/13873954.2020.1713821","DOIUrl":"https://doi.org/10.1080/13873954.2020.1713821","url":null,"abstract":"ABSTRACT A prognostic approach based on a MISO (multiple inputs and single output) fuzzy logic model was introduced to estimate the pressure difference across a gas turbine (GT) filter house in a heavy-duty power generation system. For modelling and simulation of clogging of the GT filter house, nine real-time process variables (ambient temperature, humidity, ambient pressure, GT produced load, inlet guide vane position, airflow rate, wind speed, wind direction and PM10 dust concentration) were fuzzified using a graphical user interface within the framework of an artificial intelligence-based methodology. The results revealed that the proposed fuzzy logic model produced very small deviations and showed a superior predictive performance than the conventional multiple regression methodology, with a very high determination coefficient of 0.974. A complicated dynamic process, such as clogging phenomenonin heavy-duty GT system, was successfully modelled due to high capability of the fuzzy logic-based prognostic approach in capturing the nonlinear interactions.","PeriodicalId":49871,"journal":{"name":"Mathematical and Computer Modelling of Dynamical Systems","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/13873954.2020.1713821","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44316361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
On the combination of kernel principal component analysis and neural networks for process indirect control 核主成分分析与神经网络相结合的过程间接控制研究
IF 1.9 4区 数学
Mathematical and Computer Modelling of Dynamical Systems Pub Date : 2020-01-07 DOI: 10.1080/13873954.2019.1710715
A. Errachdi, Sabrine Slama, Mohamed Benrejeb
{"title":"On the combination of kernel principal component analysis and neural networks for process indirect control","authors":"A. Errachdi, Sabrine Slama, Mohamed Benrejeb","doi":"10.1080/13873954.2019.1710715","DOIUrl":"https://doi.org/10.1080/13873954.2019.1710715","url":null,"abstract":"ABSTRACT A new adaptive kernel principal component analysis (KPCA) for non-linear discrete system control is proposed. The proposed approach can be treated as a new proposition for data pre-processing techniques. Indeed, the input vector of neural network controller is pre-processed by the KPCA method. Then, the obtained reduced neural network controller is applied in the indirect adaptive control. The influence of the input data pre-processing on the accuracy of neural network controller results is discussed by using numerical examples of the cases of time-varying parameters of single-input single-output non-linear discrete system and multi-input multi-output system. It is concluded that, using the KPCA method, a significant reduction in the control error and the identification error is obtained. The lowest mean squared error and mean absolute error are shown that the KPCA neural network with the sigmoid kernel function is the best.","PeriodicalId":49871,"journal":{"name":"Mathematical and Computer Modelling of Dynamical Systems","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/13873954.2019.1710715","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45166730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Detectability conditions for output-only subspace identification 纯输出子空间识别的可检测性条件
IF 1.9 4区 数学
Mathematical and Computer Modelling of Dynamical Systems Pub Date : 2020-01-02 DOI: 10.1080/13873954.2019.1701038
Amirali Sadeqi, S. Moradi, Kourosh Heidari Shirazi
{"title":"Detectability conditions for output-only subspace identification","authors":"Amirali Sadeqi, S. Moradi, Kourosh Heidari Shirazi","doi":"10.1080/13873954.2019.1701038","DOIUrl":"https://doi.org/10.1080/13873954.2019.1701038","url":null,"abstract":"ABSTRACT The scope of output-only/blind identification is restricted to stochastic/statistical processes, but for the first time in this study, the detectability conditions for general output-only subspace identification are investigated. This aids the range of input sources to be extended in a much realistic manner, beyond the only stochastic inputs. For this purpose, the subspace framework is assigned to make a connection between the output signal contents and the LTI system order. A few substantial hypotheses and algebraic statements are propounded affirming the sufficiency of the genuine output sequences for the identification purpose. This can be perceived as the cornerstone of state-space model reconstruction. In order to consolidate the notions according to reality, several examples are studied and examined for different input classes with stochastic disturbance.","PeriodicalId":49871,"journal":{"name":"Mathematical and Computer Modelling of Dynamical Systems","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/13873954.2019.1701038","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43184565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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