Abstract: A method for allocating capacity of an energy storage associated with at least one passenger transport installation includes continuously monitoring performance data of the energy storage; obtaining first data associated with operating the at least one passenger transport installation; identifying different uses for the energy stored in the energy storage; determining an allocation of energy storage capacity available for the different uses based on the performance data and the first data; and applying the determined allocation.

Abstract: To have information on power consumption of an elevator, escalator and/or a moving walkway, an apparatus-specific static power consumption model modelling power consumption and being parametrized with apparatus-specific parameter is used with a distance to travel, a time and a load determined from controller events to calculate and output a total power consumed.

Abstract: An elevator and a method for determining energy and/or power consumption of an elevator, the elevator comprising a drive system comprising a drive unit for driving an electric motor and an elevator control system for controlling the drive system, wherein at least two different operating states are used for the elevator. The method comprises measuring at least part of power and/or energy consumption of the drive system, at least when the elevator is moving, determining duration which the elevator spends in different operating states of the elevator, and determining energy and/or power consumption of the elevator based at least in part on the measured power and/or energy consumption of the drive system and determined and/or estimated energy and/or power consumption in different operating states of the elevator.

Abstract: A method for operating, such as commissioning, an elevator, and an elevator are presented herein. The elevator comprises an electric linear motor for moving movable units. The method comprises moving a first movable unit along a linear stator of the electric linear motor in the elevator shaft, and determining at least one characteristic, such as a floor position or an air gap width of the electric linear motor, at a plurality of elevator shaft positions by the first movable unit, such as by a winding, a coil, or a sensor, during the moving. The method further comprises storing the determined at least one characteristic, and controlling moving of at least a second movable unit, such as comprising another of the elevator cars or a second motor unit, by utilizing the stored at least one characteristic.

Abstract: A conveyor arrangement, a conveyor system and a method for determining a load estimate in a people conveyor arrangement, such as an escalator arrangement or horizontal or inclined autowalk arrangement include using a power model of the people conveyor arrangement, which power model includes e.g. motor model components and/or people conveyor model components, having at least a friction monitoring mode, and determining in the friction monitoring mode a friction estimate of the conveyor arrangement based at least in part on the measured or determined motor power, the power model of the people conveyor arrangement, and a speed of the step or pallet chain and/or a speed of the handrail.

Abstract: A conveyor arrangement, a conveyor system and a method for determining a load estimate in a people conveyor arrangement, such as an escalator arrangement or horizontal or inclined autowalk arrangement include using a power model of the people conveyor arrangement, which power model includes e.g. motor model components and/or people conveyor model components, having at least a friction monitoring mode, and determining in the friction monitoring mode a friction estimate of the conveyor arrangement based at least in part on the measured or determined motor power, the power model of the people conveyor arrangement, and a speed of the step or pallet chain and/or a speed of the handrail.

Abstract: According to an aspect, there is provided a method for managing power demand of a plurality of passenger transport installations in at least one building. The method comprises obtaining first data on available time-dependent power consumption flexibility capacity from each passenger transport installation; obtaining second data from at least one external data source, the second data being independent from operation of the passenger transport installations; determining an activation order for power demand management of the plurality of passenger transport installations based on the obtained first data and second data; and transmitting a passenger transport installation specific activation signal for the power demand management to at least one passenger transport installation of the plurality of passenger transport installations in accordance with the activation order.

Abstract: A device for an elevator, an elevator, and a method for moving an elevator car are presented. The device includes a linear mover including a winding. The linear mover is adapted to establish an electromagnetic engagement by the winding with a linear stator of a first stator beam. The device further includes an electrical energy storage unit, such as at least one battery, and an electrical converter unit arranged to supply electrical current from the electrical energy storage unit to the winding for moving the device along the first stator beam. The at least one linear mover, the electrical energy storage, and the electrical converter unit are integrated into a body of the device, and the device is adapted for attaching removably to an elevator car of the elevator and, optionally, to a further device of the elevator.

Abstract: An elevator system includes: an elevator control; a plurality of individually movable elevator cars driving in an elevator runway system including at least one elevator runway, preferably at least two elevator runways, whereby the number of elevator cars is higher than the number of elevator runways in the runway system. The elevator cars are movable in the elevator runway system via at least one drive system. Each of the elevator cars is provided with an identifier. The elevator system includes at least one reader device for the identifier and a car handling module in the elevator control processing the information on the elevator cars and their identifiers in connection with their position in the elevator system. The elevator system includes elevator cars differing in at least one parameter (differing parameter).

Abstract: An elevator system includes a plurality of elevator cars, an elevator controller communicatively coupled to the plurality of elevator cars. The elevator controller is configured to generate a signal to a first elevator car for indicating an elevator call to the first elevator car. The first elevator car is configured to, in response to a receipt of the signal, initiate a communication with at least one second elevator car for receiving information relating to a status of the at least one second elevator car, and in response to a receipt of the information, generate a control signal with respect to serving the elevator call received by the first elevator car. A method for controlling an elevator car in the elevator system is also disclosed.

Abstract: According to an aspect, there is provided a method for elevator call allocation in an elevator system. The method comprises receiving charge information associated with an energy storage of an elevator car from each of a plurality of elevator cars of the elevator system; receiving an elevator call to a floor providing a charging arrangement for the energy storages; and allocating the elevator call to an elevator car of the plurality of elevator cars at least partly based on the charge information received from each of the plurality of elevator cars.

Abstract: A method for determining the mass of a car and counterweight of an elevator, running in an elevator shaft along their traveling paths driven by an elevator motor, in which method at least one test run is performed preferably as complete round trip of the elevator car and counterweight, in which test run a) the hoisting system balance mB, b) the hoisting system friction F?S, and c) the hoisting system compensation ?B is calculated from constant speed data, and in which test run d) the hoisting system inertia mass mI is calculated from constant acceleration/deceleration data. From these parameters the weight of the car and counterweight is calculated without any need of weight measurements, but merely by using the power data of the elevator drive unit.

Abstract: According to an aspect, there is provided a method for managing power demand of a plurality of passenger transport installations in at least one building. The method comprises obtaining first data on available time-dependent power consumption flexibility capacity from each passenger transport installation; obtaining second data from at least one external data source, the second data being independent from operation of the passenger transport installations; determining an activation order for power demand management of the plurality of passenger transport installations based on the obtained first data and second data; and transmitting a passenger transport installation specific activation signal for the power demand management to at least one passenger transport installation of the plurality of passenger transport installations in accordance with the activation order.

Abstract: A method for allocating capacity of an energy storage associated with at least one passenger transport installation includes continuously monitoring performance data of the energy storage; obtaining first data associated with operating the at least one passenger transport installation; identifying different uses for the energy stored in the energy storage; determining an allocation of energy storage capacity available for the different uses based on the performance data and the first data; and applying the determined allocation.

Abstract: Elevator groups are known have very high peak power demand. The peak power capacity of the power line can be reduced by using a power arrangement involving a battery. The battery can be discharged for operating elevators when the power demand exceeds the capacity of the power line. The battery may be further used for reducing power cost by charging the battery during lower cost time.

Abstract: The purpose of the invention is to detect a failure situation wherein the machinery brake of an elevator does not open sufficiently. In the method for testing failure of a machinery brake of an elevator, the machinery brake is controlled to open. After this, the traction sheave is oscillated with a test torque, the movement of the elevator machine is measured in connection with the oscillation, and if the machine does not move in connection with the oscillation, it is deduced that the machinery brake has not opened and has therefore failed.

Abstract: In an elevator, the status information of the receivers, and possibly also of the transmitters, of a light curtain of the elevator is transmitted from the control unit of the light curtain as a response to a query or as messages. The control system of the elevator car is configured to receive the responses or status information and to analyze i) the status information contained therein of at least one receiver the status information contained therein of at least one receiver and of at least one transmitter relating to it, for changing or adjusting the operating mode of the elevator or for giving a control command to the operating system of the elevator.

Abstract: In a method for performing a balance check with an elevator, a power model of the elevator is established, including the motor power fed to the motor (PM) and power parameters of the motor and the moved components in the hoistway (PK, PP, PFr, PCu, PFe), a test run of the elevator is made, mid motor power values for the up and down direction are determined, i.e. the power fed to the motor at the instant when the car is moving through the middle of the travelling path of the elevator in up and down direction with constant velocity, the difference between the mid power value in up and down direction is determined, the balancing weight difference is obtained from said mid power value difference. This method allows an easy determination of the elevator balance preferably in course of modernizations of an elevator system with a new elevator motor.

Abstract: A method is provided for condition monitoring of a rope of an elevator including an elevator car and a rope wheel arrangement, which rope is connected to the elevator car and passes around at least one rope wheel included in the rope wheel arrangement.

Abstract: An arrangement and a method for monitoring the operational condition of an automatic door in an elevator, particularly a passenger and/or goods elevator, or in a building, the arrangement includes an automatic door which includes one or more door leaves, which slide horizontally in their location, a door operator, which includes a door motor and a door mechanism for moving the door leaf horizontally in its location, a closing device for closing the automatic door, a control system for the door operator for controlling the door motor, a device configured to define the operational condition of the closing device and the door mechanism of the automatic door, the device configured to define the operational condition of the closing device and the door mechanism of the automatic door includes a mechanism configured to determine the mechanical energy of the shaft in the door motor of the automatic door during an operating cycle.