Abstract: Transportation infrastructure service discovery arrangement disclosed. In the arrangement a peripheral device is attached to a transportation infrastructure control network. The client is configured to request an address from a DNS server of the host network. As a response the client receives network settings that can be used for contacting applications attached to the transportation infrastructure control network.

Abstract: An elevator drive apparatus is described which includes a drive unit for driving an elevator car, a brake device for braking a motion of the elevator car, a detector for detecting an electrical operation amount of the drive unit, and a controller. The controller is configured to release the brake device, to compare the detected electrical operation amount with a threshold, and to apply the brake device when the detected electrical operation amount exceeds the threshold. In this way, it is ensured that a speed of the elevator car in case of a rescue situation is within a safety limit.

Abstract: A method and a system for the evacuation of buildings providing an elevator system includes at least one elevator car and an elevator shaft. The system includes a device to detect an incident or a device to receive an emergency signal in this regard, a device for determining the floor of this incident, and at least one sealing element (positioned in the elevator shaft and constructed to seal the elevator shaft, so that the elevator shaft is divided in at least two sections.

Abstract: The invention relates to a method for generating an elevator call. The method comprises: obtaining (202) image data representing at least one symbol (310, 310a, 310b) illustrated on a symbol representing device (320) from at least one image sensing device (112), identifying (204) the at least one symbol (310, 310a, 310b) from the obtained image data, and generating (206) the elevator call in accordance with the identified at least one symbol (310, 310a, 310b). The invention relates also to an elevator control unit (108) and an elevator system (100) performing at least partly the method.

Abstract: An elevator includes an elevator motor; a motor drive for the elevator motor having a frequency converter including a rectifier bridge, an inverter bridge and a DC link in between, which frequency converter is controlled via a controller, the rectifier bridge being connected to AC mains via three feed lines including chokes, and the rectifier bridge being realised via controllable semiconductor switches; a contactor being located between the feed lines and AC mains; and a backup power supply at least for emergency drive operation. An emergency control is associated with the motor drive, which emergency control is configured to perform an automatic emergency drive. The emergency control is connected to a manual drive circuit having a manual drive switch for a manual rescue drive.

Abstract: The invention relates to a method for determining an access right to an entity of a conveyor system, wherein it is: received data comprising data representing an identity of a wireless key and data representing a location of the wireless key; detected that the wireless key resides in a predefined location; identified the conveyor system and the entity on a basis of data representing the predefined location; determined status of an identified conveyor system; determined an access right with the wireless key to the entity; and generated a control signal to cause one of the following: (i) a grant of an access to the entity, (ii) a refusal of an access to the entity. The invention also relates to a network node, a computer program product and to a conveyor system.

Abstract: An escalator includes a truss formed of a support structure that bridges a lower landing and an upper landing of the escalator. The truss includes two rising side sections extending upwards from a bottom plane of the truss, the side sections extending along a length of the truss and being joined together with cross braces. The escalator includes a subframe attached to an outer side of at least one side section of the truss, the subframe being arranged to receive an outer cladding of the escalator.

Abstract: An elevator, an elevator control unit and a method for transferring data in an elevator arrangement, the elevator arrangement including at least an elevator shaft, an elevator car configured to move in the elevator shaft and at least one wireless communication channel, such as a wireless network, available for communication in the elevator shaft. The method includes determining signal quality and/or data transmission quality of the at least one wireless communication channel in different positions of the elevator car in the elevator shaft, moving the elevator car to a position or area selected based on the determined signal quality and/or the determined data transmission quality, and performing data transfer at the selected area or at the selected position of the elevator car.

Abstract: A people conveyor arrangement and a method for testing components and/or functions of the people conveyor in a people conveyor arrangement including at least one remote computing device and/or local computing device, and at least one communication channel and an application programming interface arranged between the people conveyor component and the at least one computing device. The method includes sending from the at least one computing device test related data via an application programming interface to a component of the people conveyor, receiving test related data via the application programming interface by the component when the component is connected to the communication channel, and responding from the component of the people conveyor to the local computing device and/or to the remote computing device via the application programming interface that the test related data was received and/or that a test was carried out or emulated based on the test related data.

Abstract: An elevator system includes at least one elevator shaft along which at least one elevator car is configured to travel, a plurality of receiver devices forming a wireless mesh network, a computing unit, at least one gateway device, and one or more tag devices, each attached to an object. Each of the plurality of receiver devices is configured to: monitor advertisement signals transmitted by the one or more tag devices within an operational range of said receiver device, and provide device data associated with each detected advertisement signal to the computing unit via the wireless mesh network and the at least one gateway device. The computing unit is configured to define a location of the object based on the provided device data associated with the tag device attached to said object. A method for object tracking is also described.

Abstract: An apparatus for actuating a safety gear of an elevator includes a first stage actuation mechanism; and a second stage actuation mechanism. The second stage actuation mechanism includes a wedge arrangement configured to grip a guiderail associated with the elevator when the first stage actuation mechanism is triggered; a casing including the wedge arrangement and configured for vertical linear movement along the guiderail; and a transmission member coupled to the casing from a first end and to the safety gear from a second end. The apparatus is configured to cause the safety gear to actuate when the first stage actuation mechanism is triggered, the first stage actuation mechanism causing the wedge arrangement of the second stage actuation mechanism to grip the guiderail of the elevator and to decelerate vertical movement of the casing in relation to the guiderail, the deceleration of the casing causing the transmission member to engage the safety gear to the guiderail to stop the elevator.

Abstract: A method of monitors a climate quality within a building having an elevator running between floors of an elevator hoistway. The elevator car of the elevator includes at least an air-quality sensor. The method is characterized in that a fan of the elevator car is running when the door(s) of the car is/are opening at a floor station to suck air from the building's floor level into the elevator car to the vicinity of the air-quality sensor and sensing the air-quality by the sensor preceding to generating data of the air-quality.

Abstract: The invention relates to a method for defining a tension of a belt of an automatic door. The method comprises: exciting a resonant frequency of the belt to cause a vibration of the belt, obtaining motion data representing motion of an electric motor configured to move the belt, defining vibration information representing the vibration of the belt based on the obtained motion data, and defining the tension of the belt based on the defined vibration in-formation and predefined characteristics of the belt. The invention relates also to a door drive unit and a computer program for defining a tension of a belt of an automatic door.

Abstract: In a method for commissioning an elevator signalization device to a communication network of an elevator system, system configuration data is received and a network address of the elevator signalization device is inquired from the switching device. A location of the elevator signalization device as defined in the system configuration file is associated with the network address of the elevator signalization device, and the elevator signalization device is commissioned by transmitting a configuration data of the elevator signalization device to the network address of the elevator signalization device received through an association. A control device and a computer program product are disclosed.

Abstract: An apparatus for managing access to one or more elevators of a building is configured to: receive, for a plurality occupants of the building, a respective occupant registration request including at least occupant characteristics recorded for the respective occupant; assign each occupant into one of a plurality of occupant groups based on the occupant characteristics recorded for the respective occupant, wherein each occupant group has respective access rights with respect to said one or more elevators that are different from access rights of other occupant groups in terms of a time schedule of accessing said one or more elevators; and selectively allow or disallow an occupant of the building to access said one or more elevators in accordance with the access rights of the occupant group into which said occupant is assigned.

Abstract: A method for operating an elevator system that includes an elevator car movable between landings in response to an elevator call registered by an elevator control unit. The method includes determining a special operating mode of the elevator system, the special operating mode being different from a nominal operating mode at least with respect to a characteristic of use of the elevator car, and operating, in the special operating mode, the elevator system so as to reduce a number of passengers entering the elevator car from the landing compared to the nominal operating mode based on the characteristic.

Abstract: A hoisting device rope has a width larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material, the composite material including non-metallic reinforcing fibers, which include carbon fiber or glass fiber, in a polymer matrix. An elevator includes a drive sheave, an elevator car and a rope system for moving the elevator car by means of the drive sheave. The rope system includes at least one rope that has a width that is larger than a thickness thereof in a transverse direction of the rope. The rope includes a load-bearing part made of a composite material. The composite material includes reinforcing fibers in a polymer matrix.

Abstract: A method for testing a capacity of a drive rescue battery includes opening a first switching device and second switching device to disconnect a LCL filter from AC mains and form a test load for testing the capacity of the drive rescue battery while disconnecting one of the LCL filter capacitors associated with a third phase from the test load, the test load including a series connection from one of the downstream LCL filter inductors and the LCL filter capacitors associated with the first phase to one of the LCL filter capacitors and the downstream LCL filter inductors associated with the second phase; and determining at least one of a voltage or a current of the drive rescue battery resulting from the test load.

Abstract: According to an aspect, there is provided a method for determining a sequence of bus nodes in a multi-drop communication bus. The method includes for each bus node: sending a request to the bus node using an bus node physical identifier to set the bus node to a loopback mode; transmitting at least one signal to the bus node via the multi-drop communication bus; receiving from the bus node a loopback signal caused by the at least one signal; and measuring a roundtrip delay between the at least one signal and the loopback response signal. The method further includes solving the physical order of the bus nodes in the multi-drop communication bus based on the roundtrip delays.

Abstract: According to an aspect, there is provided an elevator communication system. The system includes an elevator controller, a first ethernet bus portion connected to a first port of the elevator controller, a second ethernet bus portion connected to a second port of the elevator controller, and at least one elevator system node communicatively connected to the elevator controller via the first ethernet bus portion and the second ethernet bus portion.