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Analysis

1.WO/2020/129572FLUID MACHINERY SYSTEM AND METHOD FOR CONTROLLING SAME
WO 25.06.2020
Int.Class F04B 49/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
49Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups F04B1/-F04B47/196
06Control using electricity
Appl.No PCT/JP2019/046725 Applicant HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD. Inventor AOYAGI Norio
Provided are: a device for controlling the number of units of fluid machinery, a device for controlling the number of units, with which it is possible to level out the operating time of fluid machines connected to the device for controlling the number of units; and a method for controlling the same. The present invention comprises: a plurality of fluid machines; and a device for controlling the number of units, which can individually control the activation and stopping of fluid machines. The device for controlling the number of units sets, for each of the fluid machines, the continuous operating time on the basis of the total operating time of said fluid machine and other fluid machines, and if, from among the operating fluid machines, there is a fluid machine for which the continuous operating time set thereto has elapsed, and there is a fluid machine which is stopped, the machine that is stopped is started up and the fluid machine in question is stopped.
2.WO/2013/191017STOP-POSITION DETERMINATION DEVICE FOR TRANSPORTING MACHINE, AND LOADING MACHINE PROVIDED WITH SAME DEVICE
WO 27.12.2013
Int.Class G05D 1/02
GPHYSICS
05CONTROLLING; REGULATING
DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
1Control of position, course, altitude, or attitude of land, water, air, or space vehicles, e.g. automatic pilot
02Control of position or course in two dimensions
Appl.No PCT/JP2013/065933 Applicant HITACHI CONSTRUCTION MACHINERY CO., LTD. Inventor TANAKA Wataru
While a loading machine (1), a transporting machine (2), and a control station that manages the movement of those are operating, a stop-position determination device (1000) for the transporting machine (2) is provided with: an inclined-surface range calculating section (200); a transporting-machine range calculating section (300); an interference determination section (400); a display device (500); a transporting-machine specification acquisition section (600); and a loading-machine range calculating section (700). The transporting-machine specification acquisition section (600) acquires the specifications of the transporting machine (2). The inclined-surface range calculating section (200) calculates an inclination surface range (18) with which the inclination surface of the transporting machine (2) interferes. The loading-machine range calculating section (700) calculates the loading machine range (712) occupied by the loading machine (1). The interference determination section (400) determines whether the transporting machine (2) can be safely stopped without interfering with the inclination surface (6) or the loading machine (1).
3.WO/2014/002381NUMERICAL CONTROL DEVICE
WO 03.01.2014
Int.Class G05B 19/4103
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
19Programme-control systems
02electric
18Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
41characterised by interpolation, e.g. the computation of intermediate points between programmed end points to define the path to be followed and the rate of travel along that path
4103Digital interpolation
Appl.No PCT/JP2013/003402 Applicant SHIN NIPPON KOKI CO., LTD. Inventor NISHIBASHI, Nobutaka
This numerical control device is provided with: a path conversion unit that derives a post-conversion machine axis path for each machine axis direction by performing a specific conversion process on a baseline machine axis path for each machine axis direction; an acceleration/deceleration processing unit that performs an acceleration/deceleration process on the derived post-conversion machine axis path for each machine axis direction; and a transfer quantity derivation unit that derives the transfer quantity for each support body per predetermined set cycle time in each machine axis direction from a post-processing machine axis path, which is the machine axis path after the acceleration/deceleration process. The specific conversion process includes a computation process that, for each machine axis direction, calculates a correction amount corresponding to the error between the baseline machine axis path and the machine axis path obtained when a process identical to the acceleration/deceleration process was performed on the baseline machine axis path, and calculates the post-conversion machine axis path, which is the result of correcting the baseline machine axis path in each machine axis direction in the direction that cancels the error by means of the calculated correction amount for each machine axis direction.
4.WO/2014/002380MACHINING COMMAND CONVERSION PROGRAM, RECORDING MEDIUM, AND MACHINING COMMAND CONVERSION DEVICE
WO 03.01.2014
Int.Class G05B 19/4103
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
19Programme-control systems
02electric
18Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
41characterised by interpolation, e.g. the computation of intermediate points between programmed end points to define the path to be followed and the rate of travel along that path
4103Digital interpolation
Appl.No PCT/JP2013/003400 Applicant SHIN NIPPON KOKI CO., LTD. Inventor NISHIBASHI, Nobutaka
This machining command conversion program causes a computation processing device to execute: a path conversion step for deriving the post-conversion machine axis path of each machine axis direction by means of performing a specific conversion process to the baseline machine axis of each machine axis direction; a machining command conversion step for converting the post-conversion machine axis path of each machine axis direction to a post-conversion machining command; and an output step for outputting the post-conversion machining command to a numerical control device. As the specific conversion process in the path conversion step, the computation processing device is caused to execute a computation process that, for each machine axis direction, calculates a correction amount corresponding to an approximation of the error between the machine axis path obtained from a transfer pulse after post-interpolation acceleration/deceleration processing of each machine axis direction, and the baseline machine axis path of the corresponding machine axis direction, and calculates the post-conversion machine axis path that results from correcting the baseline machine axis path in each machine axis direction in the direction that cancels the error by the calculated correction amount for each machine axis direction.
5.WO/2019/049406FAILURE PROBABILITY EVALUATION SYSTEM
WO 14.03.2019
Int.Class G01M 99/00
GPHYSICS
01MEASURING; TESTING
MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
99Subject matter not provided for in other groups of this subclass
Appl.No PCT/JP2018/012683 Applicant HITACHI, LTD. Inventor UEKI Yosuke
The present invention addresses the issue of performing a highly accurate failure probability evaluation or remaining life evaluation with respect to a plurality of constituent elements of a mechanical system. In order to achieve the foregoing, provided is a failure probability evaluation system for evaluating the failure probability of a plurality of mechanical elements included in a mechanical system, the system being characterized by the inclusion of: a means for evaluating, on the basis of a physical quantity 1 which changes according to the fatigue damage or the secular change of the mechanical elements, a state quantity which expresses the health of the mechanical elements; a means for evaluating the cumulative fatigue damage level of the mechanical elements, on the basis of a physical amount 2 which changes according to the load received by the mechanical elements or operation data of the mechanical elements; a storage unit that stores the state quantity and the cumulative fatigue damage level; and a failure probability evaluation unit that, on the basis of the state quantity and the cumulative fatigue damage level of a failed mechanical element, from among the plurality of mechanical elements, calculates a failure probability of a mechanical element which has not failed, from among the plurality of mechanical elements.
6.WO/2011/148729METHOD FOR MOVING MOVEMENT MACHINE
WO 01.12.2011
Int.Class G05D 1/02
GPHYSICS
05CONTROLLING; REGULATING
DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
1Control of position, course, altitude, or attitude of land, water, air, or space vehicles, e.g. automatic pilot
02Control of position or course in two dimensions
Appl.No PCT/JP2011/059274 Applicant MITSUBISHI HEAVY INDUSTRIES, LTD. Inventor FUJITA, Jun
A plurality of movement machines (1A, 1B) are used, and with respect all of the movement machines (1A, 1B), an arbitrary movement machine (1B (1A)) acquires space information including another movement machine (1A (1B)), and said another movement machine (1A (1B)) is moved on the basis of the space information. Thereby, the movement machines (1A, 1B) can be moved while the status of the movement machines (1A, 1B) and the status of the surroundings of the movement machines (1A, 1B) are always grasped.
7.WO/2019/225538MACHINE TOOL MONITORING DEVICE
WO 28.11.2019
Int.Class B23Q 15/00
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL, CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
15Automatic control or regulation of feed movement, cutting velocity or position of tool or work
Appl.No PCT/JP2019/019885 Applicant DMG MORI CO., LTD. Inventor YAMADA, Tomoaki
Provided is a machine tool monitoring device 10 provided with: a machine tool monitoring unit 12 which acquires machine tool information relating to the state of machine tools 20a to 20d; and a preliminary operation instruction unit 14 which determines a preliminary operation on the basis of the machine tool information, and sends an instruction for the preliminary operation to the machine tools 20a to 20d. In this way, it is possible to achieve efficient operation of the machine tools using the time before operation effectively.
8.WO/2019/124324DESIGN ASSIST DEVICE, DESIGN ASSIST METHOD, AND DESIGN ASSIST PROGRAM
WO 27.06.2019
Int.Class G05B 11/36
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
11Automatic controllers
01electric
36with provision for obtaining particular characteristics, e.g. proportional, integral, differential
Appl.No PCT/JP2018/046419 Applicant MIKI PULLEY CO., LTD. Inventor SATO Ryuta
[Problem] To enable a user, when designing a mechanical element constituting a mechanical device driven by a feedback-controlled motor, to easily ascertain the influence exerted by the characteristics of the mechanical element on the occurrence of abnormal vibration of the mechanical device. [Solution] A design assist device 1 for executing a process for assisting in designing a mechanical device, wherein the design assist device 1 is configured so that a processor 11: sets each of a plurality of parameters in a mathematical model of elements to be analyzed among one or more mechanical elements 24, 56, 58 constituting a mechanical device 21, 51; calculates, with regard to one or more vibration modes of the mechanical device 21, 51, the extreme of transfer function of the mechanical device on the basis of the plurality of parameters; and creates a stability determination line graph including an isoline of a real part of the extreme of the transfer function.
9.WO/2020/054411DISPLAY SYSTEM FOR WORK MACHINE, AND METHOD FOR CONTROLLING DISPLAY SYSTEM
WO 19.03.2020
Int.Class E02F 9/26
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
FDREDGING; SOIL-SHIFTING
9Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/-E02F7/160
26Indicating devices
Appl.No PCT/JP2019/033633 Applicant KOMATSU LTD. Inventor DAIMON, Masaki
A display system for a work machine comprises: a storage unit that stores time-series work machine operation information including operation information for the work machine; an operation image generation unit that generates an operation image of the work machine on the basis of the work machine operation information; and a display unit that displays the operation image.
10.WO/2020/121525DIRECT-CURRENT CIRCUIT BREAKER
WO 18.06.2020
Int.Class H01H 33/59
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
33High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
02Details
59Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
Appl.No PCT/JP2018/046148 Applicant TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION Inventor KANAYA Kazuhisa
A direct-current circuit breaker according to an embodiment comprises a mechanical breaking part, an arrester, and a commutation device. The mechanical breaking part has at least one mechanical breaking unit. The at least one mechanical breaking unit has at least one unitized breaking part. Each of the at least one unitized breaking part has a mechanical contact section. All of the at least one unitized breaking part are connected in series to form a mechanical contact module. Both ends of the mechanical contact module are connected to a direct-current transmission system. The arrester is connected in parallel with the mechanical contact module. The commutation device has a commutation circuit. The commutation circuit is formed by connecting a reactor, a capacitor, and a closing device. The commutation circuit is connected in parallel with the mechanical contact module. The closing device is a high-speed closing device.