A power drive for a passenger and/or cargo elevator—or any conveyance-using stored high pressure compressed air as a primary source, producing high pressure hydraulic fluid energy to move a servo-controlled hydraulic motor, mechanically connected to the hoisting mechanism of the elevator, is disclosed. The electric power driving the air compressor is not affected by the load of the elevator (e.g. number of passengers). The electric current is consumed to charge a high pressure air tank. The compressor is operated only when the elevator is in in a parked position, thus electric power consumption level is by no means correlated to the operational mode of the elevator motion.

A monitoring apparatus includes: a monitoring camera to monitor a situation of a specific area; a recorder to record monitoring information output from the monitoring camera; a video transmission device to transmit the monitoring information recorded in the recorder to the outside; a determination unit to calculate, based on the monitoring information output from the monitoring camera, the number of people present in the specific area and a degree of positional imbalance of the people; and an adjustment unit to adjust, based on the number of people and the degree of positional imbalance calculated by the determination unit, at least one of a recording density to be used when the recorder records the monitoring information or a communication frequency to be used when the video transmission device transmits the monitoring information.

Systems and methods floor bypass in an elevator system are provided. Aspects includes receiving, by the first controller, a first elevator destination call to a first floor, wherein the first destination call causes a first elevator car to dispatch to the first floor. First sensor data associated with a first passenger area associated with the first elevator car is collected, from the first sensor. A presence of a passenger in the first passenger area is detected based at least in part on the first sensor data. And the first elevator car is operated based on the presence of the passenger in the first passenger area.

An illustrative example method of controlling an elevator system includes detecting a number of passengers waiting for elevator service at a landing, detecting an available passenger capacity of a plurality of elevator cars, respectively, and assigning at least one of the elevator cars to travel to the landing to provide elevator service to the passengers based on the detected number of passengers and the available passenger capacity of the at least one of the elevator cars.

An elevator counterweight (2) includes a first part (4). The first part (4) is configured to be connected, in use, to a suspension member (8) of an elevator system (1). The first part (4) is arranged to receive an additional mass (6) when the first part (4) is connected to the suspension member (8), such that a mass of the elevator counterweight (2) can be varied. A controller (14) may be arranged to control a mass variation system (12) to vary the mass of the elevator counterweight (2) according to a schedule. The controller (14) may determine the schedule in a learning process.

An illustrative example elevator system includes a plurality of elevator cars. A dispatch controller assigns a first one of the elevator cars to travel to a landing in response to a first request for elevator service at that landing. At least one call button is operative to place a second request while the first one of the elevator cars is situated at the landing in response to the first request. The dispatch controller assigns a second one of the elevator cars to travel to the landing in response to the second request.

A passenger transport system has a device for registering users in a pass-through zone and the device includes at least two sensors, which sensors operate in accordance with the time-of-flight measurement principle, and a signal evaluation unit. Each sensor includes an emitter emitting electromagnetic waves into a detection area and a receiver, arranged adjacent to the emitter, that acquires the electromagnetic waves that were emitted by the emitter and reflected from the detection area, wherein the emitter and the receiver of each sensor are directed into the pass-through zone. At least one sensor of the device is respectively arranged on opposing sides of the pass-through zone and the principal direction axes of the detection areas of the sensors are arranged parallel to one another and orthogonal to the longitudinal extent of the pass-through zone.

In the present invention, a process of receiving an image obtained by capturing a measurement target place with a camera, calculating a number of people in the measurement target place based on the image received, and allocating a car according to the calculated number of people is performed. Here, when an abnormality that an image from the camera cannot be received is determined, a process of referring to a detection value of a sensor or the like installed in a car or in the measurement target place to calculate the number of people in the car or the measurement target place is performed.

A passenger waiting assessment system including: a sensor; and a dispatcher including: a processor; and a memory including computer-executable instructions that, when executed by the processor, cause the processor to perform operations, the operations including: receiving a number of elevator calls; assigning the elevator calls to an elevator car of a first elevator system; moving the elevator car of the first elevator system to a landing; detecting, using the sensor, a number of individuals waiting to use the elevator car of the first elevator system; and stopping assignment of any further elevator calls to the elevator car of the first elevator system when the number of individuals is greater than a threshold value.

An elevator control system has control over a door of an elevator and, thus, directly controls opening and closing of the door of an elevator which a robot is to board or alight from based on state information of the robot received from a robot control system.