Abstract: The present disclosure provides an aircraft engine graphical diagnostic tool, as well as a method and electronic device for operating the same. The graphical diagnostic tool comprises an input element configured for obtaining a data value for a first data dimension, and a visualization element having at least two dimensions. The visualization element is configured for presenting a dataset for at least second and third data dimensions associated with the first data dimension. The dataset presented by the visualization element is selected based on the data value for the first data dimension.

Abstract: An electrical protection system protects a high-voltage DC electrical installation and comprises at least one sensor of first type configured to perform measurements of a non-electrical physical quantity, at least one sensor of second type configured to perform measurements of an electrical physical quantity, and a control unit connected to said at least one sensor of first type and to said at least one sensor of second type. The control unit commands a circuit breaker of the high-voltage DC electrical installation to open when, in a sliding time window, an abnormal non-electrical phenomenon is detected by virtue of the measurements of said at least one sensor of first type and when, furthermore, an abnormal electrical phenomenon is detected by virtue of the measurements of said at least one sensor of second type.

Abstract: In a cryptographic apparatus, a cryptographic module executes first assurance check processing, which is processing for satisfying a predetermined certification requirement on image data of first software, and also executes second assurance check processing, which is processing for satisfying the above predetermined certification requirement on a verification target, which is at least part of image data of second software, and on which verification for satisfying the predetermined certification requirement is not performed by a device.

Abstract: Provided is a welding position detection device capable of improving the welding position detection accuracy. The welding position detection device includes a calculation unit that irradiates two members to be joined with laser light to calculate approximate straight lines of the respective members, calculates an end portion of one member of the two members on the basis of the approximate straight line of the one member, and calculates a virtual straight line which is a straight line connecting the calculated end portion of the one member and the approximate straight line of the other member of the two members and having a specific angle with respect to the approximate straight line of the one member, and a detection unit that detects an intersection point of the calculated virtual straight line and the approximate straight line of the other member as a welding position.

Abstract: To provide a numerical controller that can produce high-quality machining with optimal machining conditions by reducing speed control abnormalities in order to stabilize feed rate, cutting speed and other factors. A numerical controller includes a speed reduction block detection unit that detects a speed reduction block that is a block at which the number of blocks to be looked ahead in a machining program relatively decreases, a speed information storage unit that calculates feed rate at each axis from a table feed rate at the speed reduction block and stores this speed information in a storage unit, and a speed information read unit that reads out the speed information from the storage unit and applies the speed information as the feed rate at each axis.

Abstract: A tool wear monitoring and predicting method is provided, and uses a hybrid dynamic neural network (HDNN) to build a tool wear prediction model. The tool wear prediction model adopts actual machining (cutting) conductions, sensing data detected at the current tool run of operation and the predicted tool wear value at the previous tool run of operation to predict a predicted tool wear value at the current tool run. A cyber physical agent (CPA) is adopted for simultaneously monitoring and predicting tool wear values of plural machines of the same machine type.

Abstract: A control device for a machine, with at least one axis, is configured to accept first parameters and to render a first general technological problem as a first specific technological problem. The control device is configured to determine once in advance, for a sequence of values of a position or a temporal derivation of the position of the axis of the machine, a number of variables assigned to the respective value, to solve the first specific technological problem in an optimum way. The control device is configured to store the assigned variables in a memory and, after the storage of the assigned variables, is configured to accept a first execution command. Based upon the first execution command, it is configured to output the sequence of values to the axis and during output, is configured to activate the machine in accordance with the number of variables assigned to the respective value.

Abstract: A scattering direction, a scattering range, a scattering speed, or the like of chip generated by machining is acquired by image pickup unit, and a state (such as wearing and fracture) of a tool is estimated from the acquired dynamic information. A machine learning device is used to perform the estimation and the machine learning device is caused to learn a state of a tool relative to the combination of a plurality of dynamic information on the vicinity of the tool, and the state of the tool is estimated based on a result of the learning.

Abstract: A method for controlling an operation of an industrial machine that includes authenticating control commands remotely issued by command issuers through a network. The control commands each describe a modifying action to the operation of the industrial machine. The method includes: providing a jump host as a communication buffer between a unit controller of the industrial machine and the network; maintaining within a memory of the jump host whitelisted commands, the whitelisted commands including a list of the approved control commands; receiving, at the jump host, a first control command via the network; determining, at the jump host, whether the first control command is contained within the whitelisted commands; in response to an affirmative determination that the first control command is contained within the whitelisted commands, deeming the first control command as being authenticated; and transmitting the first control command to the unit controller of the industrial machine.

Abstract: A life determination device comprises: an image acquiring unit that acquires an image showing a result of machining by cutting on a target of the machining by cutting; a feature quantity acquiring unit that acquires a feature quantity indicating the quality of the result of the machining by cutting from the image acquired by the image acquiring unit; and a life determining unit that determines the life of a cutting tool having been used for the machining by cutting on the target based on the feature quantity acquired by the feature quantity acquiring unit.

Abstract: Provided is a technology for recovery from an abnormality of an action of a worker. An action instruction apparatus includes: a standard operating procedure storing unit configured to store, for each operation step, output information from a predetermined sensor relating to a standard action of a worker; an operation step identifying unit configured to acquire output information from a sensor and to compare the acquired output information with the standard action to identify an operation step being performed; an operation abnormality detecting unit configured to acquire output information from a sensor relating to an operation step subsequent to the operation step being performed by the worker to detect an operation abnormality when the acquired output information differs from the output information in the operation step subsequent to the operation step being performed; and a recovery action instruction generating unit configured to generate an operation instruction detail for recovery.

Abstract: A method for operating an object detection system in a saw produces profiles for materials used in work pieces. The method includes operating a motor in the saw to move an implement and cut a work piece formed from a predetermined material, recording, a sensing signal produced in the object detection system during contact between the work piece and the implement, generating a detection profile for the material of the work piece based on the recorded sensing signal, storing, the detection profile in a memory in the saw, and operating the saw and the object detection system using the detection profile to distinguish between contact of the implement with a work piece formed from the predetermined material and contact of the implement with a portion of a body of an operator.

Abstract: According to an embodiment of this invention, the following processing is performed to solve a problem of accurately determining an abnormal state in a carriage by using an acceleration sensor. Output values from a plurality of acceleration sensors mounted in locations which have low degrees of mechanical/physical coupling in a carriage and a printing apparatus main body are transformed into data in a frequency domain. Subsequently, a carriage operation abnormality and a level of the abnormal state are determined based on a plurality of acceleration values in the frequency domain and a comparison of magnitudes of the acceleration values.

Abstract: An object of the present invention is to provide a numerical controller that performs interference check based on a look-ahead position before a feedrate varies by taking the variation in the feedrate into consideration and controls the change of an override safely. To achieve this object, the numerical controller is configured such that, when calculating a coordinate value of a look-ahead position which a movable part subjected to interference check reaches after a look-ahead period elapses from a current position at a current time, the numerical controller calculates the look-ahead position assuming that the movable part moves at a predetermined feedrate of which the upper limit is the maximum feedrate.

Abstract: A numerical controller estimates a machining continuable time before a currently controlled motor overheats if an output of the motor exceeds a continuous rated output and predicts respective execution times of command blocks and the machining continuable time for each command block, for a currently running block and its subsequent command blocks. Based on these predicted data, the numerical controller identifies a command block (alarm generation block) in which the motor overheats and a command block (stop block) in which driving control can be safely stopped, within the range of command blocks from the currently running command block to the alarm generation block.

Abstract: In order to easily verify an operation of the machine tool, a machining support apparatus includes a machining monitoring unit 112, a simulation processing unit 113, and a display unit 150. The machining monitoring unit 112, upon receiving a notification indicating detection of a simulation start code programmed in a machining program from a machine tool controller controlling a machine tool via a communication device 130, renders the machine tool controller to stop the machine tool. The simulation processing unit 113 simulates instructions from the simulation start code to a simulation end code in the machining program, while the machine tool is stopped. And the display unit 150 displays a simulation performed in the simulation processing unit.

Abstract: The system is intended to block the tool operation for an operator holding a badge the authorized working time of which is over. The system comprises: the operator badge, comprising a storage memory for the working time carried out by the operator and a communication unit; the tool, comprising an accelerometric sensor and a housing for control and vibratory traceability comprising a communication module, arranged to exchange data with the operator badge and means for blocking the tool operation. For the vibratory charge traceability of the tool, in the tool, the accelerations experienced by the tool while operating and its corresponding working times, forming traceability data, are measured; the traceability data in the tool are saved; the traceability data are transmitted to an operator personal badge.

Abstract: A numerical control apparatus includes a program analyzing unit configured to pre-fetch a tool replacement command and a post-replacement positioning command from a machining program and output these commands, a tool-replacement-command output unit configured to cause, based on the tool replacement command, a machine tool to execute a tool replacing operation, and a movement-command determining unit and an interpolating unit configured to start, when the post-replacement positioning command is an axis component command for positioning an axis related to the tool replacing operation, control of the axis based on the axis component command, after waiting for completion of the tool replacing operation, and start, when the post-replacement positioning command is an axis component command for positioning an axis unrelated to the tool replacing operation, control of the axis based on the axis component command, without waiting for the same.

Abstract: A data classifier system of the present invention selects a plurality of classifications correlated to data groups so as to output classification axes based on hierarchical classifications and data groups. The data classifier system includes a basic category accumulation means, a classification axis candidate creation means and a priority calculation means. The basic category accumulation means accumulates classifications serving as basic categories used for selecting desired classifications in advance. The classification axis candidate creation means creates classification axis candidates based on combinations of classifications each correlated to at least one data among descendant classifications of each basic category. The priority calculation means calculates priorities with respect to the classification axis candidates created by the classification axis candidate creation means based on hierarchical distances of classifications in the classified hierarchy.

Abstract: A chatter vibration detection method includes acquiring vibration data of a tool (4) at a time of machining a workpiece at a predetermined sampling period (?t), calculating an autocorrelation coefficient (Rxx?) corresponding to a time required for a cutting edge (4a, 4b) to contact the workpiece (W) several times based on acquired time series vibration data and calculating a period (Tx) of characteristics of the calculated autocorrelation coefficient (Rxx?), and deciding that chatter vibration occurs when a contact period (T1) at which the cutting edge (4a, 4b) contacts the workpiece (W) is not an integral multiple of the calculated period (Tx).

Abstract: The present invention provides a system and method for an online optimization for a non-linear cognitive wireless. The optimization is achieved by using qualitative model on the system which provides information in the form of monotonic influence diagram. The influence graph represents the state (control variables, goal variables and intermediate variables) and their dependency information using a graphical model incorporating monotonicities information. The present invention also incorporates learning features to build a compact history for reducing bad configurations online. The invention also provides a control engine which achieves the near optimum control of the cognitive wireless network by using the network state information along with the qualitative model.

Abstract: An NC control unit 100 includes a touch panel display device 155 through which a barrier canceling command is input and a machining control section 160 that performs an interference check for interference between a milling tool 70 and a chuck 58 and jaws 60. When the machining control section 160 determines that interference occurs and stops movement of a tool rest 54, the machining control section 160 writes the barrier canceling command that commands cancelation of the interference check for a process of a machining program where the interference has been determined based on manipulation of the display device 155. When the machining program including the barrier canceling command is carried out to machine subsequent workpieces, the machining control section 160 omits the interference check for the process corresponding to the barrier canceling command.

Abstract: A system and method of adaptively managing a plurality of engines in a multi-engine system, where each engine comprises hot gas components and non-hot gas components, and each engine exhibits a performance margin and a remaining useful life, includes continuously, and in real-time, determining a plurality of different degradation mechanisms for each of the plurality of engines, and continuously, and in real-time, determining which of the determined degradation mechanisms is most limiting. The engines are controlled, based on the most limiting degradation mechanism, in a manner that the remaining useful lives of each engine are substantially equal. The plurality of different degradation mechanisms of each engine are determined based on the engine performance margin, modeled failure predictions of the hot gas components, and modeled failure predictions of the non-hot gas components.

Abstract: A circuit arrangement which comprises at least two acceleration sensors for measuring an acceleration of at least one part of the hazardous device, at least one logic circuit for evaluating measured values of the at least two acceleration sensors, at least one memory for storing a comparison value, and at least one safety device controlled by an output of the logic circuit. The safety device is adapted to bring the hazardous device into a safe state in response to a switching command received via the output of the logic circuit. The logic circuit transmits the switching command to the safety device when the measured acceleration of the part of the hazardous device or a value derived from the measured acceleration has a predetermined ratio to the stored comparison value. Furthermore, a method for monitoring a hazardous device is also disclosed.

Abstract: A light curtain for use with a machine, such as a press brake. The light curtain includes a controller which is communicatingly connected to a controller of the machine, and at least one presence detector which is connected to the controller of the light curtain. The light curtain also includes at least one sensor which is configured to sense position and/or speed of movement of a moveable part of the machine, in use, the controller of the light curtain receives feedback from the at least one presence detector as well as from the at least one sensor which is configured to sense position and/or speed of movement of the moveable part of a machine. The controller of the light curtain signals the controller of the machine to operate the machine based on the feedback which is received by the light curtain.

Abstract: A safeguard method and system. The method includes receiving and analyzing apparatus data associated with an electro/mechanical apparatus. A type, mode, and state of the electro/mechanical apparatus are determined and a list of associated safeguard devices is generated and presented to a user. A selection for a safeguard device is received and it is determined if the safeguard device is currently present. In response, a specified action is executed.

Abstract: A numerical control device including a collision determining unit that detects a possibility of collision between a machine and an area set as an entry prohibited area; an operation-continuation instructing unit that instructs whether to continue an operation when the collision determining unit detects the possibility of collision and shaft movement is temporarily stopped; a machining-information storage unit that stores internal operation information of the numerical control device regarding the temporary stop when the operation-continuation instructing unit instructs continuation of the operation; and a collision-determination processing unit that invalidates a collision determination on the basis of the operation information stored in the machining-information storage unit when executing the same machining program the next and subsequent times.

Abstract: A system for controlling a machine includes a first model, a second model, a controller, and a comparator. During a first cycle, the first model generates a response signal to the controller while the second model generates a predicted parameter signal. During the first cycle, the comparator transmits a feedback signal to the second model if a predetermined threshold is not met. A method for controlling a machine includes transmitting a response signal from a first model to a controller, generating a control signal to the machine, and generating a predicted parameter value in a second model. The method further includes transmitting a feedback signal to the second model if a predetermined threshold is not met.

Abstract: A machine tool device having a monitoring unit for monitoring at least one machine tool monitoring range, the monitoring unit having an evaluation unit. The evaluation unit has a computing unit which is provided to distinguish at least two motions in the machine tool monitoring range.

Abstract: A method of control of rotation of a spindle device and a control system of a machine tool which enable machining without generation of chatter vibration without using special tools of variable pitch cutting edges or chatter vibration detecting means. The method of control of rotation of a spindle device and control system of a machine tool according to the present invention store spindle rotational speed change data, which determines how to change a rotational speed of a spindle in accordance with an instructed speed, linked with machining conditions and stability limit data, select, from an instructed spindle rotational speed and machining conditions and the stored stability limit data, spindle rotational speed change data giving less vibration, and use the selected spindle rotational speed change data as the basis to change the rotational speed of the spindle.

Abstract: In a brush cutter (100), when it is determined based on acceleration information including frequency components, supplied from an acceleration sensor (24) included in the brush cutter (100) that the acceleration shows a peak in a range of frequencies lower than 100 Hz, the flow moves to step S5 to amplify the acceleration peak. In next step S6, the acceleration peak is compared with a threshold. When the result of comparison shows that the acceleration peak is higher than the threshold, the flow moves to step S7 to produce a safety signal. The safety signal is output from the controller (26) to a high voltage generation circuit (30) to stop generation of a high voltage in the high voltage generating circuit (30). In this manner, the acceleration sensor (24) is used to detect any unexpected, sudden danger, while diminishing influence of the acceleration caused by vibration inherent to the own nature of the work apparatus, its intended regular operation and its posture change in regular operation.

Abstract: A control device for a machine tool including a motor for driving a spindle includes: a current detection unit that detects a current driving the motor; a storage unit that stores overheat temperature specified for the motor; a temperature detection unit that detects temperature of the motor; a time estimation unit that estimates, by using the temperature detected by the temperature detection unit and the overheat temperature, time from when present estimation takes place until the motor reaches the overheat temperature, under a condition in which the current detected by the current detection unit continuously passes through the motor; and a provision unit that provides the time estimated by the time estimation unit.

Abstract: A power distribution system (that can detect an unsafe fault condition where an individual or object has come in contact with the power conductors) regulates the transfer of energy from a source to a load. Periodically, the source controller opens an S1 disconnect switch, a and load controller opens an S2 disconnect switch. A capacitor represents the capacitance across the load terminals. If the capacitor discharges at a rate higher or lower than predetermined values after the S1 and S2 disconnect switches are opened, then a fault condition is registered, and the S1 and S2 switches will not be commanded to return to a closed position, thus isolating the fault from both the source and the load.

Abstract: To obtain a safety control device capable of shortening a response time without using a high-speed CPU, command judging units judge whether an output command that has been input is an ON command or an OFF command; comparing units transmit a judgment result of their command judging units to each other and compare the judgment results of the command judging units with each other. Output units output an output signal to turn off a switch if the judgment result of the command judging units is the OFF command or if the comparison result of the comparing units indicates disagreement.

Abstract: An apparatus for controlling operational functions of a machine tool, comprising a device for switching on or off a main power supply and at least one device for determining a switch-off time of an operational function of the machine tool in dependence of a selectable criterion.

Abstract: A system for remotely deactivating the operation of a machine tool responsive to an adverse operating condition of the machine, including an electrical circuit disposable in the vicinity of the machine, including a relay, interconnecting a voltage source and the control unit of the machine, functional to pause the control of such machine, a receiver disposable in the vicinity of the machine, responsive to a R-F signal operative to actuate such relay, and a portable device displaceable relative to the vicinity of the machine for selectively transmitting an R-F signal to such transmitter for actuating such relay.

Abstract: A vibration suppressing device includes a memory unit storing a stable rotation speed calculated by an arithmetical unit in association with a rotation speed range that includes the stable rotation speed, in which, when a command rotation speed that is a rotation speed of a rotary shaft is inputted in starting machining operation by rotation of the rotary shaft and, the arithmetical unit determines whether the command rotation speed is included in the rotation speed range or not, reads out the stable rotation speed when the command rotation speed is included in the rotation speed range and outputs the stable rotation speed to an NC device instead of the command rotation speed, and starts the machining operation at the stable rotation speed.

Abstract: A method of operating a power tool detects human contact with a non-moving implement in the power tool. The method includes generating a series of samples of an electrical signal passing through the non-moving implement, identifying a component for each sample in the series of samples of the electrical signal, identifying a first max?min value corresponding to a first plurality of samples in the series of samples occurring during a first periodic time interval with reference to a difference between a maximum value and a minimum value identified in the components of the first plurality of samples, and identifying human contact with the non-moving implement in response to the first max?min value being greater than a first predetermined threshold.

Abstract: A method for operating a power tool detects human contact with a non-moving implement of the power tool. The method includes sampling an electrical signal that passes through the non-moving implement, identifying in-phase and quadrature phase components for the sample, identifying a first distance between the components of the sample and a centroid of a cluster of samples corresponding to human contact with the non-moving implement, identifying a second distance between the components of the sample and a second centroid identified for another cluster of samples corresponding to no human contact with the non-moving implement, and identifying human contact with the non-moving implement with reference to the first distance being less than the second distance.

Abstract: In order to flexibly identify the current operating state of control elements which are used to control a process installation, the invention provides a method for identifying the operating state of at least one control element, which is designed for an active and a passive operating state, for a control apparatus, wherein, in the active operating state, the control element controls a process function of an area of a process installation, comprising the following steps: the control apparatus is connected to the process installation, the control element is functionally associated with the process function, and the operating state of the control element is identified as active on the basis of successful functional association of the control element with the process function.

Abstract: A device safety apparatus, in particular a hand-held device safety apparatus, having an antenna unit having at least one antenna element, which is provided for the purpose of transmitting and/or receiving a safety signal. The antenna unit has at least one additional component, which in conjunction with the antenna element is provided to specify a safety zone.

Abstract: A machine tool controlled to restart automatic operation for machining a workpiece from an interrupted point after the machine tool, which has been automatically operated by NC program commands, is caused to interrupt the automatic operation. The NC program commands are classified into a plurality of main groups with respect to the contents of motions for changing the machine state of the machine tool. When the automatic operation of the machine tool restarts after the automatic operation has been interrupted halfway, an order of execution of the NC program commands is determined such that the main groups are arranged in a prescribed order of execution, for automatically generating a machine state restoration command. The automatic operation of the machine tool can restart from the interrupted point without the need for the operator to manually generate or correct a command for restoring the machine tool to its machine.

Abstract: A polishing system configured to polish a lap includes a lap configured to contact a workpiece for polishing the workpiece; and a septum configured to contact the lap. The septum has an aperture formed therein. The radius of the aperture and radius the workpiece are substantially the same. The aperture and the workpiece have centers disposed at substantially the same radial distance from a center of the lap. The aperture is disposed along a first radial direction from the center of the lap, and the workpiece is disposed along a second radial direction from the center of the lap. The first and second radial directions may be opposite directions.

Abstract: A method of operating a machining system includes comparing one or more features of a cutting tool to information stored on a data chip secured to a tool holder of the cutting tool. The cutting tool is loaded into the machining system, and the information stored on the data chip is compared to cutting tool requirements of a machining program for instructing operation of the machine. When a result of one or more of the comparisons is outside of a predetermined threshold, operation of the machining system is stopped.

Abstract: A system, method, and computer program for monitoring a machine cycle. A method includes the steps of tracking an elapsed cumulative measure; comparing the elapsed cumulative measure with a cycle interrupt interval; interrupting a machining cycle at the cycle interrupt interval; and performing a local return to a defined position.

Abstract: The invention relates to a method and to a system for aligning and controlling the position of a robot tool, wherein a monitoring device is equipped with a detection unit and processing unit which co-operates with the control device of the robot and automatically determines the alignment of the robot tool by means of the detection unit by taking into account at least one pre-determined reference direction of the robot tool, in addition to at least one predetermined tolerance angle which defines a tolerance range for the at least one reference direction of the robot tool. The processing unit compares the determined alignment to the predetermined reference direction and/or to the tolerance values predetermined by the defined tolerance range and/or of the at least one tolerance range is not respected, the respective robot tool is disconnected and/or deactivated in co-operation with the control device of the robot.

Abstract: Method for reducing energy costs in an industrially operated facility. For a lasting and comprehensive reduction in the energy costs in an industrially operated facility, the invention provides for at least one of the energy flows of the facility, from its purchase, its conversion in at least one secondary process, its consumption in at least one core process, as far as its discharge from the facility, to be considered as a whole, taking account of the operational process sequences, and for potential cost reductions to be determined.

Abstract: Methods to detect when a human body contacts a predetermined portion of a machine are disclosed. The methods distinguish contact with a person from contact with other materials. The methods are particularly applicable in woodworking equipment such as power saws to detect contact between a person and the blade of the saw. Woodworking machines and memory devices for use in woodworking machines having safety systems designed to detect a dangerous condition between a human and a dangerous portion of the woodworking machine and to trigger some action to mitigate the dangerous condition are also disclosed.

Abstract: A thermal displacement compensating device calculates a thermal displacement amount which is produced by heat generation or dissipation as a machine tool is actuated or stopped and changes with time. A thermal displacement compensation amount is calculated by multiplying the calculated thermal displacement amount by a coefficient. A position command is compensated by adding the thermal displacement compensation amount to the position command. On the other hand, a variation between a thermal displacement amount calculated last time and a current thermal displacement amount is determined for each predetermined time. A plurality of thermal displacement amount change states are identified based on comparison between the determined variation and a predetermined threshold. The coefficient is calculated based on the identified thermal displacement amount change state.

Abstract: Methods to detect when a human body contacts a predetermined portion of a machine are disclosed. The methods distinguish contact with a person from contact with other materials. The methods are particularly applicable in woodworking equipment such as power saws to distinguish contact between a person and the blade of the saw from contact between the blade and wet or green wood. Woodworking machines and memory devices for use in woodworking machines having safety systems designed to detect a dangerous condition between a human and a dangerous portion of the woodworking machine and to trigger some action to mitigate the dangerous condition are also disclosed.