Pub Date : 1900-01-01DOI: 10.36652/0869-4931-2022-76-3-99-102
The design of a pneumatic jet displacement converter into a pneumatic signal is developed. The converter consists of two main parts — a housing with a tangential compressed air supply and a central insert, which form a converging annular nozzle. Using the theory of planning an experiment, mathematical models that describe the regularities of changing the coordinates of characteristic points of its typical characteristics from the main parameters of the flow path of an annular nozzle are obtained. Keywords jet converter, annular nozzle, compressed air, movement control, air pressure, vacuum
{"title":"Jet vortex converter of the displacement into pneumatic signal","authors":"","doi":"10.36652/0869-4931-2022-76-3-99-102","DOIUrl":"https://doi.org/10.36652/0869-4931-2022-76-3-99-102","url":null,"abstract":"The design of a pneumatic jet displacement converter into a pneumatic signal is developed. The converter consists of two main parts — a housing with a tangential compressed air supply and a central insert, which form a converging annular nozzle. Using the theory of planning an experiment, mathematical models that describe the regularities of changing the coordinates of characteristic points of its typical characteristics from the main parameters of the flow path of an annular nozzle are obtained.\u0000\u0000Keywords\u0000jet converter, annular nozzle, compressed air, movement control, air pressure, vacuum","PeriodicalId":309803,"journal":{"name":"Automation. Modern Techologies","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124393363","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.36652/0869-4931-2020-74-2
Information about ASONIKA-UM are adduced: a subsystem for controlling the modeling of radio-electronic equipment, assigned to collect engineering data in an integrated database that occurs during the design, manufacture and operation of electronic equipment, as well as to ensure the joint usage of these data. Keywords radio-electronic equipment; modeling; database; PDM system
{"title":"ASONIKA-UM: management of electronics modeling on external influencing factors during design","authors":"","doi":"10.36652/0869-4931-2020-74-2","DOIUrl":"https://doi.org/10.36652/0869-4931-2020-74-2","url":null,"abstract":"Information about ASONIKA-UM are adduced: a subsystem for controlling the modeling of radio-electronic equipment, assigned to collect engineering data in an integrated database that occurs during the design, manufacture and operation of electronic equipment, as well as to ensure the joint usage of these data.\u0000Keywords\u0000radio-electronic equipment; modeling; database; PDM system","PeriodicalId":309803,"journal":{"name":"Automation. Modern Techologies","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122163210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.36652/0869-4931-2022-76-8-364-374
The problem of determining the degree of controllability of a linear non-stationary system (LNS) is considered and a scalar method of hierarchical controllability study for the integration of a highly dynamic guidance system for an autonomous landing of spacecraft is proposed. A new criterion of the controllability degree (DOC) for the problem of optimal control with minimization of energy consumption by calculating the singular values and the condition number of the Gramian controllability matrix is developed. The proposed DOC criterion allows to measure the degree of controllability of the system and each state variable. In addition, the normalization and modification method has been applied in calculating the degree of controllab ility. Mathematical modeling of the spacecraft guidance process during descent in the Martian atmosphere according to the tracing scheme of the program trajectory using the control algorithm with active disturbance compensation (ADRC) and PID is presented. Based on the results of the simulation, it is possible to evaluate and compare the optimality of various reference trajectories using the DOC criterion. The DOC criterion can function as an indicator to investigate the effect of trajectory parameters on the landing process from a controllability point of view. Keywords criterion of controllability degree, linear unsteady system, spacecraft, atmospheric descent
{"title":"Method for hierarchical study of spacecraft descent controllability in the Martian atmosphere","authors":"","doi":"10.36652/0869-4931-2022-76-8-364-374","DOIUrl":"https://doi.org/10.36652/0869-4931-2022-76-8-364-374","url":null,"abstract":"The problem of determining the degree of controllability of a linear non-stationary system (LNS) is considered and a scalar method of hierarchical controllability study for the integration of a highly dynamic guidance system for an autonomous landing of spacecraft is proposed. A new criterion of the controllability degree (DOC) for the problem of optimal control with minimization of energy consumption by calculating the singular values and the condition number of the Gramian controllability matrix is developed. The proposed DOC criterion allows to measure the degree of controllability of the system and each state variable. In addition, the normalization and modification method has been applied in calculating the degree of controllab ility. Mathematical modeling of the spacecraft guidance process during descent in the Martian atmosphere according to the tracing scheme of the program trajectory using the control algorithm with active disturbance compensation (ADRC) and PID is presented. Based on the results of the simulation, it is possible to evaluate and compare the optimality of various reference trajectories using the DOC criterion. The DOC criterion can function as an indicator to investigate the effect of trajectory parameters on the landing process from a controllability point of view.\u0000\u0000Keywords\u0000criterion of controllability degree, linear unsteady system, spacecraft, atmospheric descent","PeriodicalId":309803,"journal":{"name":"Automation. Modern Techologies","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132406750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.36652/0869-4931-2020-74-5-219-224
The questions of the adaptive algorithms synthesis for identifying dynamic systems based on the principle of regularity are considered. Estimates of the error in setting the initial data for various model structures, which allow, without making a direct decision, to estimate the error of the desired solution from above and choose the optimal value of the regularization parameter, are obtained. Based on methods for solving incorrectly posed problems, regular recurrent iterative computational schemes for solving the parametric identification problem are obtained. Keywords control object; control system; parametric identification; dynamic filtering; regularization; regularization parameter
{"title":"The adaptive identification algorithms of dynamical systems based on the principle of regularity","authors":"","doi":"10.36652/0869-4931-2020-74-5-219-224","DOIUrl":"https://doi.org/10.36652/0869-4931-2020-74-5-219-224","url":null,"abstract":"The questions of the adaptive algorithms synthesis for identifying dynamic systems based on the principle of regularity are considered. Estimates of the error in setting the initial data for various model structures, which allow, without making a direct decision, to estimate the error of the desired solution from above and choose the optimal value of the regularization parameter, are obtained. Based on methods for solving incorrectly posed problems, regular recurrent iterative computational schemes for solving the parametric identification problem are obtained.\u0000\u0000Keywords\u0000control object; control system; parametric identification; dynamic filtering; regularization; regularization parameter","PeriodicalId":309803,"journal":{"name":"Automation. Modern Techologies","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129195489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.36652/0869-4931-2021-75-11-516-520
The magnetic circuits of a current converter, the work principle of which is based on the nonlinearity of the magnetization curve, are considered. In order to improve the analytical calculation accuracy of magnetic circuits, it is necessary to establish a relationship between the specific magnetic resistance and magnetic induction. Methods for solving differential equations for magnetic circuits of a converter with longitudinally distributed parameters and an expression for the dependence of the specific magnetic resistance relative the magnetic induction are presented. Keywords electromagnetic current converter; magnetic circuit; nonlinearity of the magnetization curve; magnetic flux; magnetomotive force; quasi-linearization method; machine method of calculation
{"title":"Calculation of the current converters magnetic circuits taking into account the dependence nonlinearity of the specific magnetic resistance relative the magnetic induction","authors":"","doi":"10.36652/0869-4931-2021-75-11-516-520","DOIUrl":"https://doi.org/10.36652/0869-4931-2021-75-11-516-520","url":null,"abstract":"The magnetic circuits of a current converter, the work principle of which is based on the nonlinearity of the magnetization curve, are considered. In order to improve the analytical calculation accuracy of magnetic circuits, it is necessary to establish a relationship between the specific magnetic resistance and magnetic induction. Methods for solving differential equations for magnetic circuits of a converter with longitudinally distributed parameters and an expression for the dependence of the specific magnetic resistance relative the magnetic induction are presented.\u0000\u0000Keywords\u0000electromagnetic current converter; magnetic circuit; nonlinearity of the magnetization curve; magnetic flux; magnetomotive force; quasi-linearization method; machine method of calculation","PeriodicalId":309803,"journal":{"name":"Automation. Modern Techologies","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132354763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.36652/0869-4931-2022-76-1-35-43
The basic operation principles of the strapdown inertial navigation systems (SINS) without platform and models of the measuring sensors errors, including offsets of zero signals, errors of scale factors and cross-links connections, are considered. The influence of various components of these errors and their linear combinations on the numeration accuracy of coordinates, velocity and orientation angles is investigated by the method of mathematical modeling of the SINS operation at one and a half hour intervals. To assess the linear properties of SINS algorithms, a quantitative measure is introduced — the value of the numeration error deviation, caused by a linear combination of input errors, relative linear combination of errors caused by separate input errors, as a percentage is expressed. Numerical estimates for typical trajectories of a maneuverable aircraft are obtained for this value. The obtained results can serve as the basis for the formation of technical requirements, used at the design and testing of aviation navigation systems and complexes. Keywords strapdown inertial navigation system, potential of the gravity field, gravitational acceleration, apparent acceleration, numeration errors, math modeling
{"title":"Investigations of the algorithms linear properties for strapdown inertial navigation systems","authors":"","doi":"10.36652/0869-4931-2022-76-1-35-43","DOIUrl":"https://doi.org/10.36652/0869-4931-2022-76-1-35-43","url":null,"abstract":"The basic operation principles of the strapdown inertial navigation systems (SINS) without platform and models of the measuring sensors errors, including offsets of zero signals, errors of scale factors and cross-links connections, are considered. The influence of various components of these errors and their linear combinations on the numeration accuracy of coordinates, velocity and orientation angles is investigated by the method of mathematical modeling of the SINS operation at one and a half hour intervals.\u0000To assess the linear properties of SINS algorithms, a quantitative measure is introduced — the value of the numeration error deviation, caused by a linear combination of input errors, relative linear combination of errors caused by separate input errors, as a percentage is expressed. Numerical estimates for typical trajectories of a maneuverable aircraft are obtained for this value.\u0000The obtained results can serve as the basis for the formation of technical requirements, used at the design and testing of aviation navigation systems and complexes.\u0000\u0000Keywords\u0000strapdown inertial navigation system, potential of the gravity field, gravitational acceleration, apparent acceleration, numeration errors, math modeling","PeriodicalId":309803,"journal":{"name":"Automation. Modern Techologies","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131979104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.36652/0869-4931-2023-77-5-235-240
The fundamental criteria for the employment of young specialists are given and a forecast the employed university graduates quantity at enterprises in their specialty is made. A simulation model of the interaction of universities with enterprises, the labor market and urban infrastructures, which will allow determining the proportion of university graduates of various specialties demanded by the components of the model is developed and presented. Keywords higher education, simulation model, young professionals, labor market, wages, enterprises
{"title":"Situational and managerial approach to modeling and organizing the system of interaction between universities and enterprises, the labor market and urban infrastructures","authors":"","doi":"10.36652/0869-4931-2023-77-5-235-240","DOIUrl":"https://doi.org/10.36652/0869-4931-2023-77-5-235-240","url":null,"abstract":"The fundamental criteria for the employment of young specialists are given and a forecast the employed university graduates quantity at enterprises in their specialty is made. A simulation model of the interaction of universities with enterprises, the labor market and urban infrastructures, which will allow determining the proportion of university graduates of various specialties demanded by the components of the model is developed and presented.\u0000\u0000Keywords\u0000higher education, simulation model, young professionals, labor market, wages, enterprises","PeriodicalId":309803,"journal":{"name":"Automation. Modern Techologies","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133216914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.36652/0869-4931-2022-76-11-507-516
An approach to automation of the distributed information systems development is proposed, which makes it possible to radically reduce the role of traditional development, up to the complete transfer this function to specialists in the subject area of an automated enterprise. It is proposed to achieve this through the development of a specialized multi-level language for describing subject areas, built on the ideas basis of the domain driven design, event storming and other means for describing business processes. A certain phasing in the implementation of this approach is proposed. Examples of implementation of some components are given. The necessity of the intermediate representation standardization for the subject area description is shown. Keywords distributed information system, development automation, domain-specific design, domain description language
{"title":"Automation of the distributed applications development based on the description of the subject area","authors":"","doi":"10.36652/0869-4931-2022-76-11-507-516","DOIUrl":"https://doi.org/10.36652/0869-4931-2022-76-11-507-516","url":null,"abstract":"An approach to automation of the distributed information systems development is proposed, which makes it possible to radically reduce the role of traditional development, up to the complete transfer this function to specialists in the subject area of an automated enterprise. It is proposed to achieve this through the development of a specialized multi-level language for describing subject areas, built on the ideas basis of the domain driven design, event storming and other means for describing business processes. A certain phasing in the implementation of this approach is proposed. Examples of implementation of some components are given. The necessity of the intermediate representation standardization for the subject area description is shown.\u0000\u0000Keywords\u0000distributed information system, development automation, domain-specific design, domain description language","PeriodicalId":309803,"journal":{"name":"Automation. Modern Techologies","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133382264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.36652/0869-4931-2022-76-1-23-29
The problem of noise droop in the measured signal at the input of the circuit, which includes a PID controller, a frequency converter, an asynchronous motor and a compressor for supplying air to the apparatus, is considered. It is proposed for noise droop to introduce a nonlinear dead zone (NZ) at the controller input, which is determined by the requirements of the control accuracy in a stationary mode and is implemented using an approximating nonlinear function with saturation. As a result, noise droop is achieved at the NZ output by error asymptotic approximation to zero, in contrast to the threshold noise suppression. Research is carried out and results that reflect the effectiveness of the proposed solution is obtained. Keywords approximating nonlinear function, dead zone, PID controller, noise droop coefficient, transient process
{"title":"Providing noise immunity in air supply control systems with compressor units","authors":"","doi":"10.36652/0869-4931-2022-76-1-23-29","DOIUrl":"https://doi.org/10.36652/0869-4931-2022-76-1-23-29","url":null,"abstract":"The problem of noise droop in the measured signal at the input of the circuit, which includes a PID controller, a frequency converter, an asynchronous motor and a compressor for supplying air to the apparatus, is considered. It is proposed for noise droop to introduce a nonlinear dead zone (NZ) at the controller input, which is determined by the requirements of the control accuracy in a stationary mode and is implemented using an approximating nonlinear function with saturation. As a result, noise droop is achieved at the NZ output by error asymptotic approximation to zero, in contrast to the threshold noise suppression. Research is carried out and results that reflect the effectiveness of the proposed solution is obtained.\u0000\u0000Keywords\u0000approximating nonlinear function, dead zone, PID controller, noise droop coefficient, transient process","PeriodicalId":309803,"journal":{"name":"Automation. Modern Techologies","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117287810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.36652/0869-4931-2023-77-5-224-228
A new approach to constructing a landing system for multi-rotor unmanned aerial vehicles (MUAVs) on a moving base is considered. The approach is based on the use of short-range radio beacons located on a movable base. By measuring on the MUAV board the power of the radio signals emitted by each radio beacon, the position of the MUAV relative to the geometric center of the landing platform is determined algorithmically. The algorithmic solution is formed by using the least squares method and the weighted least squares method. Keywords short-range radio beacon, landing, mobile base, landing plane, multi-rotor UAVs, weighted least squares method
{"title":"Landing system for MUAV on a mobile base by using short-range radio beacons","authors":"","doi":"10.36652/0869-4931-2023-77-5-224-228","DOIUrl":"https://doi.org/10.36652/0869-4931-2023-77-5-224-228","url":null,"abstract":"A new approach to constructing a landing system for multi-rotor unmanned aerial vehicles (MUAVs) on a moving base is considered. The approach is based on the use of short-range radio beacons located on a movable base. By measuring on the MUAV board the power of the radio signals emitted by each radio beacon, the position of the MUAV relative to the geometric center of the landing platform is determined algorithmically. The algorithmic solution is formed by using the least squares method and the weighted least squares method.\u0000\u0000Keywords\u0000short-range radio beacon, landing, mobile base, landing plane, multi-rotor UAVs, weighted least squares method","PeriodicalId":309803,"journal":{"name":"Automation. Modern Techologies","volume":"44 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114009864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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