WO2010006624A1 - Procédé pour la surveillance et la commande automatisée de processus partiels dans l'exploitation souterraine de mines de charbon - Google Patents

Procédé pour la surveillance et la commande automatisée de processus partiels dans l'exploitation souterraine de mines de charbon Download PDF

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Publication number
WO2010006624A1
WO2010006624A1 PCT/EP2008/005708 EP2008005708W WO2010006624A1 WO 2010006624 A1 WO2010006624 A1 WO 2010006624A1 EP 2008005708 W EP2008005708 W EP 2008005708W WO 2010006624 A1 WO2010006624 A1 WO 2010006624A1
Authority
WO
WIPO (PCT)
Prior art keywords
sub
processes
computer unit
stored
extraction
Prior art date
Application number
PCT/EP2008/005708
Other languages
German (de)
English (en)
Inventor
Martin Junker
Uwe Müller
Uwe Barabasch
Original Assignee
Rag Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rag Aktiengesellschaft filed Critical Rag Aktiengesellschaft
Priority to PCT/EP2008/005708 priority Critical patent/WO2010006624A1/fr
Publication of WO2010006624A1 publication Critical patent/WO2010006624A1/fr

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
    • G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B15/00—Systems controlled by a computer
    • G05B15/02—Systems controlled by a computer electric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • the invention relates to a method for monitoring and automated control of associated for coal mining in underground coal industry sub-processes such as extraction, product promotion, maintenance, logistics and ventilation.
  • the information relating to the individual sub-processes is not brought together in order to automatically respond to target / actual deviations with the aim of complying with the economic and qualitative requirements, in particular for the extraction of the raw material hard coal according to quantity and quality .
  • the reactions to corresponding target / actual deviations within the individual sub-processes but also in the sub-processes with each other currently take place in varying quality only manually or semi-automatically.
  • no optimal result can be achieved, above all not in a timely form and in a consistent quality. Even with partially automated reactions, it is not possible to assume an optimal result due to the complexity of the individual sub-processes.
  • the invention is therefore based on the object to provide a method of the type mentioned above, which allows optimal control of the influencing variables influencing the individual sub-processes as well as the sub-processes themselves.
  • the invention provides a method in which the actual data of all influencing variables relevant for the subprocesses are recorded by associated sensors and calibrated in at least one computer unit with the target data stored there in the planning paths for the subprocesses and their influencing variables ascertained target / actual deviations on the basis of algorithms stored in the computer unit, an automatic control of the variables influencing the subprocesses to achieve the predetermined target values and the algorithms are set up so that the influencing factors are only changed to such an extent that the change of individual influencing factors not undue exceedances of the target data for other influencing factors attributable to the affected sub-process and / or with this Subprocess associated additional sub-processes.
  • the basis of the procedure according to the invention is the networking of all the necessary data sources available in a mine operation in order to make the individual subprocesses recognizable in their dependency on the influencing variables influencing them as well as the linking of the individual subprocesses to form an overall process.
  • the actual data gathered via the sensors arranged in the mine are to be structured within the context of the process analysis in order to better analyze the complex sub-processes as well as the overall process.
  • action algorithms can be derived to stabilize the leadership of the sub-processes. In the process, these actions are automatically automated according to defined rules in the form of algorithms stored in the computer unit.
  • continuous forecasts for the development of the influencing variables and / or the subprocesses are created by means of algorithms stored in the computer unit, and the prognosis data are specified as new desired data.
  • the sub-processes are then automatically influenced in a controlling manner. If the control recognizes a system in the deviation from or from the targets, the The controller is capable of reacting to the detected deviations and automatically updating the planned specifications in the form of the target data, if necessary, according to defined rules.
  • a refinement of the method in which the ascertained deviations of the actual values from the desired values in the computer unit are checked for frequency of occurrence and, in the case of determining a frequency system, via a learning formalism established in the controller Adjustments are made in the respectively linked sub-processes and influence is taken on the overall process formed by the sub-processes. With such a procedure, the respectively occurring desired-actual deviations are minimized and thus the process sequences are calmed and stabilized.
  • This procedure provides that in each case a tolerance window forming maximum values and minimum values are stored in the computer unit with respect to the influencing variables which are valid for the individual subprocesses.
  • the basis of the optimization of the overall process is the achievement of the given raw coal production according to quantity and quality. If the constant actual value recording of these influencing variables results in a corresponding deviation from the target values, then two ways are available for eliminating this deviation, namely firstly a corresponding change of the influencing variables for the extraction process at the production plant concerned itself, or the inclusion of other extraction operations which, in addition to the specifications assigned to them, have further production capacities or coal qualities can or should contribute. In both cases, the consequences of a corresponding control intervention for the respective extraction operation associated or subordinate sub-processes product promotion, maintenance, logistics and ventilation must be determined or calculated in the computer unit to determine whether an assumed control intervention feasible due to the available capacities and resources is or not.
  • a priority list is stored in the computer unit for the order of precedence of the calculation of the control interventions for the change of the extraction power of the relevant extraction operation and / or for the selection of further extraction operations.
  • the consequences of a change in the production capacity of each extraction operation included in the calculation process to the subprojects product promotion, maintenance, logistics and ventilation associated with this extraction operation with the aid in the computer unit for these mining operations and the associated sub-processes filed Actual values are calculated and it is determined as part of a target / actual comparison whether the calculated control intervention is executable.
  • influencing variables are used as an example for the individual sub-processes;
  • the implementation of the invention is not limited to a consideration of said influencing variables, but it can also be taken into account other factors depending on the operational conditions of the respective production operation.
  • the speed of individual conveying means and / or the bunker withdrawal rates of bunkers switched on in the respective extraction operation downstream are stored in the computer unit as influencing variables for the subprocess product promotion.
  • the maintenance subprocess it is possible for the machine running times of all operating means to be recorded as actual data in the computer unit and set in relation to maintenance spaces stored in the computer unit, and the application possibilities and / or load changes of the operating resources can be generated therefrom.
  • the logistics sub-process it may be provided that the local position of the transport units and / or the utilization of the transport units and / or the processing status in the processing of transport operations from and to the relevant production operation are stored in the computer unit.
  • the sub-process ventilation it is possible to provide that in the computer unit valid weather velocities and / or climate values and / or methane concentrations and / or CO measured values are stored as influencing variables for the sub-process ventilation within the mine building.
  • the computer unit when determining tolerance values defined within the tolerance values specified for the individual influencing variables, automatically initiates the execution of the calculated control intervention and the control commands for controlling the control intervention in the affected
  • changes of individual influencing variables to be made are determined, or if the determination of marginal values determined for the individual influencing variables for the sub-processes terminates the course of calculation of the control intervention in the computer unit and a different control intervention determined according to the priority list stored in the computer unit is processed in the computer unit.
  • the computer unit automatically controls according to fixed algorithms, the extraction mode or even several extraction operations, for example by increasing the delivery rate, which can be achieved by automatically increasing the speed of the mining machine.
  • the priorities in product promotion can be automatically changed to equalize a detected deviation. For example, a discharge capacity in a parallel-running upstream operation may be reduced, such as by a reduction in the belt speed, so that the discharge capacity in the production partial process can be increased. It must be deposited in the algorithms defined for this purpose, that only the sub-processes are changed in their capacity, which allow that the entire process in the chronological sequence is not disturbed or endangered.
  • an overuse of a single extraction operation would be negative, without it being ensured that its successor operation is ensured by adherence to the advance payment and installation schedule.
  • the availability of resources which availability are significantly dependent on the condition monitoring and condition analysis with respect to the individual resources and the maintenance measures coordinated therewith.
  • achievable equalization of the utilization of resources in the individual sub-processes it is advantageously better possible to comply with fixed maintenance windows for the resources secured.
  • the maintenance windows of the individual operating means can be automatically taken into account or adapted.
  • the machine running times of all operating means are recorded as actual data in the computer unit and set in relation to maintenance periods stored in the computer unit, wherein the computer unit automatically switches the control of affected influencing variables to the available machine running times ,
  • the logistics subprocess requires, in particular, appropriate provision of resources. This requires a largely automatically controlled demand determination and provision of material and equipment.
  • the loading and transport processing must be adjusted automatically.
  • a method is provided in which the computer unit automatically changes the partial process Ttransport with the aid of control algorithms which are stored in the computer unit and describe the partial process in the event of a change in the partial process adjusting to changing influencing factors as required changes in the resources to be provided.
  • the temporally interdependent subprocesses are often in the same field. In terms of transport, this means that only limited transport resources are available and thus new dependencies are required.
  • the controller must automatically also take into account the systematics of the transport capacity in the defined control algorithms.
  • the control of influencing variables in the partial process of extraction also requires the inclusion of the transport sub-process.
  • the individual sub-processes are still largely dependent on the ventilation.
  • the quality of the ventilation is responsible for the impact of the gases exiting during the processing of the partial processes as well as any necessary air conditioning. It is an objective in the implementation of the ventilation is to limit the effort to the required extent.
  • the provision of the ventilation is technically limited, and therefore the individual sub-processes must be controlled in such a way that an optimum is achieved for the overall process, taking into account the maximum possible ventilation.
  • unnecessary ventilation peaks are avoided due to the achievable according to the invention reassurance of the processes in the sub-processes. Since, for example, power peaks in the mining operations can be avoided by reacting promptly to deviations, no reserves with regard to ventilation need be reserved for the individual quarrying areas.
  • the computer unit can automatically predict the resulting from the sub-processes and their linkage demand for fresh weather and generate control commands to control the required fan power and needed for the leadership underground facilities.
  • an automatic calming of the processes within the sub-processes occurs, advantageously a homogenization of staffing is connected because unnecessary power peaks are avoided as well as unnecessary energy peaks. Since, for example, because of the calming of the process sequences, the energy consumption is more uniform in its decrease, it is now easier to detect deviations from the set desired data.
  • the controller can now automatically generate an alarm message, for example, or automatically seal off the area of an automatically diagnosed leakage, for example by activating shut-off devices.
  • an alarm message for example, or automatically seal off the area of an automatically diagnosed leakage, for example by activating shut-off devices.
  • FIGS. 1a and 1b the control method according to the invention is illustrated and clarified by means of an exemplary flowchart. If a feasible control intervention is found at the end of the sequence, the execution of this control intervention is initiated automatically.
  • control system does not find a control sequence for compensating the target deviation in quantity and quality of the raw coal to be pumped, in which all effects on the sub-processes can be found in the parameterized tolerance window of the respective influencing variables, it can be provided that additional alternatives are additionally proposed.
  • the operator can then decide manually for a control intervention, whereby it can also be given the opportunity to parameterize the Adjust influencing variables in order to arrive at a feasible regulatory intervention when the invoices are re-run.

Abstract

Procédé pour la surveillance et la commande automatisée de processus partiels associés pour l'abattage de charbon dans le cadre de l'exploitation souterraine de mines de charbon, tels que l’abattage, le transport des produits, l’entretien, la logistique et la ventilation. Ce procédé consiste à détecter les données réelles de grandeurs d'influence importantes pour les processus partiels au moyen de capteurs associés et à les ajuster dans au moins une unité de calcul par rapport à des données cibles, qui y sont déposées et qui sont déterminées pour les processus partiels et leurs grandeurs d'influence lors de la planification. Lorsque des écarts entre les donnes réelles et cibles sont constatés en raison d'algorithmes déposés dans l'unité de calcul, une commande automatique des grandeurs d'influence déterminantes pour les processus partiels est effectuée afin d’atteindre les valeurs cibles prédéfinies et les algorithmes sont établis de telle sorte que les grandeurs d'influence concernées ne soient modifiées que dans une proportion telle que la modification de grandeurs d'influence individuelles n'entraîne pas de dépassements non autorisés des données cibles pour d'autres grandeurs d'influence à attribuer au processus partiel concerné et/ou d'autres processus partiels liés à ce processus partiel.
PCT/EP2008/005708 2008-07-12 2008-07-12 Procédé pour la surveillance et la commande automatisée de processus partiels dans l'exploitation souterraine de mines de charbon WO2010006624A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/005708 WO2010006624A1 (fr) 2008-07-12 2008-07-12 Procédé pour la surveillance et la commande automatisée de processus partiels dans l'exploitation souterraine de mines de charbon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/005708 WO2010006624A1 (fr) 2008-07-12 2008-07-12 Procédé pour la surveillance et la commande automatisée de processus partiels dans l'exploitation souterraine de mines de charbon

Publications (1)

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WO2010006624A1 true WO2010006624A1 (fr) 2010-01-21

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PCT/EP2008/005708 WO2010006624A1 (fr) 2008-07-12 2008-07-12 Procédé pour la surveillance et la commande automatisée de processus partiels dans l'exploitation souterraine de mines de charbon

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102122159A (zh) * 2010-12-30 2011-07-13 北京天地玛珂电液控制系统有限公司 一种综采工作面生产自动化系统
CN104564072A (zh) * 2015-01-14 2015-04-29 中国矿业大学 近距离煤层群完全无煤柱连续卸压开采方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1914638A1 (fr) * 2006-10-18 2008-04-23 Bp Oil International Limited Détection d'alarmes par analyse en composantes principales
WO2008055209A2 (fr) * 2006-10-31 2008-05-08 Pavilion Technologies, Inc. Commande prévisionnelle à modèle intégré des sous-processus de distillation et de déshydratation dans un processus de fabrication de biocarburant

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1914638A1 (fr) * 2006-10-18 2008-04-23 Bp Oil International Limited Détection d'alarmes par analyse en composantes principales
WO2008055209A2 (fr) * 2006-10-31 2008-05-08 Pavilion Technologies, Inc. Commande prévisionnelle à modèle intégré des sous-processus de distillation et de déshydratation dans un processus de fabrication de biocarburant

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102122159A (zh) * 2010-12-30 2011-07-13 北京天地玛珂电液控制系统有限公司 一种综采工作面生产自动化系统
CN102122159B (zh) * 2010-12-30 2012-09-05 北京天地玛珂电液控制系统有限公司 一种综采工作面生产自动化系统
CN104564072A (zh) * 2015-01-14 2015-04-29 中国矿业大学 近距离煤层群完全无煤柱连续卸压开采方法

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