Abstract: A measuring device for measuring an elevator shaft has two cable-like, elongate guide elements that extend in parallel with one another, a measuring platform and a lifting apparatus. Each of the guide elements is fixedly attached to an upper holding point and a lower holding point in the elevator shaft and is tensioned between the upper holding point and the lower holding point. The measuring platform has guide apparatuses that laterally support the measuring platform on the guide elements and guide the measuring platform parallel to the guide elements during a displacement movement in a displacement direction. The measuring platform has a distance measuring apparatus to measure lateral distances to the lateral walls of the elevator shaft. The lifting apparatus moves the measuring platform in the displacement direction.

Abstract: An elevator system that can check a function of detecting derailment of an elevating body without disconnecting the elevating body from a guide rail. The elevator system includes a conductive wire that is provided along a guide rail, a contact that is attached to the elevating body, and is configured to come into contact with the conductive wire in the case where the elevating body is disconnected from the guide rail, a control panel that is configured to detect electrical conduction between the conductive wire and the contact, and an inspection contact that is attached to a preset position of the conductive wire, and is disposed at a position that allows the inspection contact to come into contact with the contact in the case where the contact moves to the preset position.

Abstract: An illustrative example embodiment of an elevator system monitoring assembly includes a wind detector configured to detect wind in a hoistway and to provide a wind detector output regarding the detected wind. A processor is configured to receive the wind detector output, determine whether at least one characteristic of the detected wind satisfies at least one predetermined criterion corresponding to an effect on the elevator system, and provide an indication of at least one of the satisfied criterion and the effect on the elevator system.

Abstract: Provided is a derailment detection device for a counterweight of an elevator comprising: a wire suspended in parallel with a guide rail for the counterweight; a cylindrical member which has an arm portion connected to the counterweight and allows the wire to pass therethrough in a vertical direction; a detection target connected to a lower end of the wire; a photoelectric sensor which is provided on a fixed surface so as to be opposed to a lower surface of the detection target and measures a distance to the detection target; and a detection circuit electrically connected to the photoelectric sensor. The detection circuit detects that the counterweight runs off the guide rail based on the distance from the photoelectric sensor to the detection target.

Abstract: An elevator counterweight signaling system is provided. The elevator counterweight signaling system includes an actuation assembly configured for contact with an elevator counterweight guide rail. A signaling assembly is configured for electrical communication with the actuation assembly and one or more electrical connectors is configured to electrically connect the actuation assembly with the signaling assembly. The signaling assembly is configured to provide visual and/or audio indications of a moving elevator counterweight assembly.

Abstract: An elevator system includes a first car, a diagnosis operation control unit (12), a learning operation control unit (13), a setting unit (14), a second car, and an operation control unit (10). The diagnosis operation control unit (12) moves, after an occurrence of an earthquake, the first car to perform a diagnosis operation. The learning operation control unit (13) moves the first car to perform a learning operation. The setting unit (14) sets a reference range for detecting an abnormality in the diagnosis operation on the basis of learning data acquired in the learning operation. The operation control unit (10) controls a position of the second car so as not to be positioned at the same height as the first car when the learning operation is performed by the learning operation control unit (13).

Abstract: A method of monitoring vibratory signatures of an elevator car is provided. The method comprising: detecting at least one vibratory signature of an elevator car, the vibratory signature comprising: a first vibratory signature in a first direction; and determining a probable cause of the at least one vibratory signature by comparing the at least one vibratory signature to a known vibratory signature.

Abstract: An elevator device includes an operation control unit (18), a storage unit (22), a transmission unit (23), a determination unit (25), and a recovery unit (26). When an inspection operation is interrupted by the operation control unit (18), the transmission unit (23) transmits inspection data stored in the storage unit (22) to a plurality of specific devices (20). The determination unit (25) determines whether or not recovery conditions are satisfied on the basis of a plurality of responses from the devices (20) to which the transmission unit (23) transmits the inspection data. For example, the recovery unit (26) restores a normal operation when the determination unit (25) determines that the recovery conditions are satisfied.

Abstract: A rope lifting tool for belt-shaped ropes provided with an uneven surface pattern on one or both of its opposing wide sides, includes a first guide for guiding the rope lifting tool along a first guide rail; a second guide for guiding the rope lifting tool along a second guide rail; an upright plate, and an inclined plate at an acute angle relative to the upright plate, the upright plate and the inclined plate having a wedge shaped space between them; and a plurality of wedge members placed adjacent each other inside the wedge-shaped space. A rope gap for receiving an end of a belt-shaped rope is formed between each wedge member and the upright plate, which rope gap is narrowable by wedging of the wedge member in the wedge shaped space. A rope lifting arrangement includes the rope lifting tool.

Abstract: A derailment detection apparatus for an elevator includes a conductive line, an upper support device configured to support an upper end portion of the conductive line, a lower support device configured to support a lower end portion of the conductive line, a contact element, which is installed on an ascending/descending body, and is brought into contact with the conductive line when the ascending/descending body derails from guide rail, and a detection unit configured to detect contact of the contact element with the conductive line. The lower support device is fixed to the guide rail by fastening a fastener, and is allowed to move upward and downward along the guide rail by loosening the fastener. The lower support device includes a guide portion configured to guide upward and downward movement of the lower support device along the guide rail.

Abstract: A method of operating an elevator system includes detecting a building sway which causes sway of elevator suspension or compensation members. An elevator control system is switched into a building sway mode, and operation of one or more elevator cars of the elevator system is changed via the building sway mode to mitigate vibratory effects of the building sway on the one or more elevator cars.

Abstract: Embodiments are directed to detecting motion of a building housing a multi-deck elevator system, determining, by a processing device, that the detected motion of the building is greater than a threshold, and controlling access to at least one deck of the elevator system based on determining that the detected motion of the building is greater than the threshold such that the at least one deck still is enabled to traverse a hoist-way of the elevator system.

Abstract: A method controls an operation of an elevator system. The method receives an amplitude of a sway of an elevator rope and a velocity of the sway of the elevator rope determined during the operation of the elevator system. The method modifies a damping coefficient of a semi-active damper actuator connected to the elevator rope according to a function of the amplitude and the velocity of the sway.

Abstract: The elevator operation control method according to the embodiment estimate the amount of shake of a long object which moves accompanying lifting and lowering of a passenger cage by way of simulation based on the amount of shake of a building in which an elevator is installed and current position information of the passenger cage of the elevator. The elevator operation control method change every second a physical model of the simulation according to the position of the running passenger cage, and simulate in real time the amount of shake of the long object from a current amount of shake of the building and position information of the running passenger cage. The elevator operation control method compare the amount of shake of the long object calculated by the simulation and a threshold, and perform a control operation according to the result.

Abstract: An exemplary elevator system includes a first mass that is moveable within a hoistway. A second mass is moveable within the hoistway. A plurality of elongated members couple the first mass to the second mass. At least one damper is positioned to selectively contact at least one of the elongated members if sway occurs. A sensor is associated with the damper. The sensor detects contact between the damper and the at least one of the elongated members. A controller adjusts at least one aspect of elevator system operation responsive to the detected contact.

Abstract: A sway of an elevator rope is determined during an operation of an elevator system. A disturbance of the elevator system is determined based on a state model of the elevator system and at least one measurement of a state of the elevator system. The sway of the elevator rope is determined based on the disturbance and a system model of the elevator system.

Abstract: An elevator derailment detection system (51) which provides for accurate detection of the derailment of a movable element (30, 32), such as a counterweight (32) or an elevator car (30), within a hoistway (22) even when the building (24) within which the elevator (20) is installed is of a substantial height and may be experiencing a significant degree of sway due to high winds, earthquakes, or other causes. By mounting an electric conductor (52) such as a sensing wire of the system (51) at spaced intervals (76) along the length of the hoistway (22), the electric conductor (52) in turn sways with the building (24). Accordingly, contact of the electrical conductor with sensors attached to a movable element within the hoistway, such as the counterweight, is limited to derailment situations and not normal building sway, and false trips are significantly reduced.

Abstract: An elevator installation has a guide rail of a predetermined length and a movable body configured to move along the guide rail up and down a hoistway. A proximity sensor is mounted on the movable body to be in a predetermined proximity of the guide rail. The proximity sensor is configured to detect whether or not the proximity sensor is at the predetermined distance to the guide rail. A controller coupled to the proximity sensor acts upon an indication that the proximity sensor is not at the predetermined distance to the guide rail to switch the elevator installation to a secure state.

Abstract: An elevator controller which enables a stop to be made at the nearest floor in the event of a disaster and can prevent users from being shut up in an emergency landing entrance floor. The elevator controller includes an operation mode controller, a door open/close controller which causes the elevator to open the elevator door at the nearest emergency landing entrance floor for a given time when the operation mode controller has returned an operation mode from an emergency operation mode to a normal operation mode, and an informing controller which causes an informing device, which is provided in a hall of an emergency landing entrance floor for which the door open/close controller causes the door to be opened for a given time or provided in the car, to provide information to the effect that the elevator can be used when the operation mode-controller has returned the operation mode from the emergency operation mode to the normal operation mode.

Abstract: The elevator operation control method according to the embodiment estimate the amount of shake of a long object which moves accompanying lifting and lowering of a passenger cage by way of simulation based on the amount of shake of a building in which an elevator is installed and current position information of the passenger cage of the elevator. The elevator operation control method change every second a physical model of the simulation according to the position of the running passenger cage, and simulate in real time the amount of shake of the long object from a current amount of shake of the building and position information of the running passenger cage. The elevator operation control method compare the amount of shake of the long object calculated by the simulation and a threshold, and perform a control operation according to the result.

Abstract: A method for controlling an elevator installed in a building that includes an elevator car arranged to travel in a hoistway between floor landings that are at different heights, one or more ropings connected to the elevator car, a hoisting machine for moving the elevator car, and a control for control the hoisting machine is provided. In the method, the sway data of the building is determined, which data describes the strength of the sway of the building, and the starting position data of the elevator car is determined, which starting position data contains data about the starting position of the elevator car and/or data about how long the elevator car has been in the starting position, and the settings for the run speed of the next run are determined on the basis of the starting position data and the sway data. An elevator is configured to perform the method.

Abstract: When a long-period-earthquake occurs, an elevator is controlled to ensure that an abnormality is positively judged and that the elevator can be safely and promptly returned to a normal operation. For this purpose, by providing a usual seismic sensor and a long-period seismic sensor that detects long-period components of the shakes of a building, which are not detected by the usual seismic sensor, at two stages, an earthquake emergency return operation is performed when the seismic sensor has gone into action and when a first level has been detected by the long-period seismic sensor, a long-period-earthquake emergency return operation, which involves giving a notice to outside the elevator and inside a car, is performed.

Abstract: An earthquake control operating system for an elevator is provided so that the elevator can operate free of the influence of earthquakes. Data concerning zones without resonance between the intrinsic vibration frequency of the ropes of the elevator and the intrinsic vibration frequency of the building, and data corresponding to the speed at which vibrations of ropes of the elevator are in a safe range during a long-period seismic wave are stored in a database. When an emergency earthquake report is received by an emergency earthquake information receiver, the elevator car is driven to a floor free of resonance at the speed stored in database. Then, when it is judged that the long-period seismic wave has been sufficiently attenuated on the basis of a detection signal of a long-period vibration sensor, the operation of the elevator is restored.

Abstract: An earthquake control operating system for an elevator is provided so that the elevator can operate free of the influence of earthquakes. Data concerning zones without resonance between the intrinsic vibration frequency of the ropes of the elevator and the intrinsic vibration frequency of the building, and data corresponding to the speed at which vibrations of ropes of the elevator are in a safe range during a long-period seismic wave are stored in a database. When an emergency earthquake report is received by an emergency earthquake information receiver, the elevator car is driven to a floor free of resonance at the speed stored in database. Then, when it is judged that the long-period seismic wave has been sufficiently attenuated on the basis of a detection signal of a long-period vibration sensor, the operation of the elevator is restored.

Abstract: In a control operation performed at the time of earthquake or strong wind, when a running elevator is stopped at the nearest floor, the natural frequency of the transverse vibration of a rope is prevented from resonating with the natural frequency of the building, and thereby the increase in transverse vibration of the rope is restrained. There is provided a rope resonance checking means in which, in the control operation in which when a shake of the building caused by earthquake or strong wind is detected, a running elevator is stopped at the nearest floor, or an elevator passing through an express zone is stopped emergently and runs at a low speed to the nearest floor, the natural frequency of the transverse vibration of the rope is compared with the natural frequency of the building, and selects the car stop position at a non-resonance position so as to prevent the natural frequency of the transverse vibration of the rope from resonating with the natural frequency of the building.

Abstract: To provide sufficient clearance for an entrance part of an elevator hall facing a non-seismic isolation building portion, the partition wall on the entrance side may be removed and an expansion floor provided between the non-seismic isolation building portion entrance and the elevator shaft landing. A movable wall is provided between partition members located on the right and left sides of the elevator shaft. The expansion floor can move in the front and back directions with the partition members on the right and left sides as a guide. Furthermore, the wall moves with the elevator shaft independently in the right and left directions and follows the non-seismic isolation building movement.

Abstract: An elevator car vertically guided along a hoistway rail has horizontal motions controlled by means of an actuator wherein horizontal acceleration of the elevator car and relative horizontal displacement between the car and the rail is sensed for controlling such horizontal motions by means of the actuator. Guiding means can be provided in the form of roller clusters at the corners of the car for engaging hoistway rails on opposite sides of the car wherein, for each roller cluster, plural actuators are included with accompanying springs wherein the roller cluster actuators are responsive to the controller for actuating the elevator car horizontally with respect to the hoistway rail. The roller cluster actuators can be electromagnets. Each wheel of the roller cluster can have stop means assocaiated therewith that is operable to limit the extent of movement of the guide wheel in a direction away from the guide rail.