A passenger conveyor has a guardrail belt configured to run on a pair of right and left handrails in synchronization with footsteps; a camera provided at a platform of the handrail; and a control device configured to analyze an image obtained by photographing the platform with the camera, detect a passenger getting in from the platform, stop the footsteps or lower a running speed than a normal speed when detecting no passenger for a predetermined time, and move the running speed of the footsteps at the normal speed when detecting the passenger.

A conveyor drive unit (1a; 1b), which is configured for driving a conveyor, comprises: a motor (14); an adaptive power supply unit (20), which is configured for supplying electrical energy to the motor (14); a safety chain/circuit (30), comprising at least one safety device (32, 34, 36) and being configured for ensuring a safe operation of the conveyor. The conveyor drive unit (1a; 1b) further comprises an initialization switch (28a; 28b), which is configured for selectively connecting the adaptive power supply unit (20) electrically with the motor (14) for initialization of the adaptive power supply unit (20) without bypassing or deactivating the safety chain/circuit (30).

A passenger transportation system and a startup and shutdown control method thereof, wherein the passenger transportation system comprises: a plurality of series-connected passenger transportation devices; an electrical control system comprising a plurality of startup and shutdown circuits which are respectively used for controlling startup and shutdown of each of the passenger transportation devices; and an electrical interlocking assembly coupled between each of the startup and shutdown circuits, wherein the electrical interlocking assembly controls a startup and shutdown sequence of a low-position passenger transportation device and a high-position passenger transportation device by controlling closing and opening of each of the startup and shutdown circuits.

A person-conveying device that connects a first story of a building to a second story of the building may include a supporting framework with a carrier element and an adaptive vibration-damping system. The carrier element allows the person-conveying device to be connected to the building via the adaptive vibration-damping system. A method for reducing the transmission of vibrations from the building to the person-conveying device that is connected to the building may involve the adaptive vibration damping system. Vibration data may be detected outside the person-conveying device, and the detected vibration data may be evaluated. Vibration damping of the vibration-damping system may then be adapted based on the evaluated vibration data.

The present application relates to a control system and a method for controlling a passenger conveying apparatus, and a computer-readable storage medium for implementing the method. A control apparatus for a passenger conveying apparatus according to an aspect of the present application comprises: a processor; a memory coupled with the processor; a communication module coupled with the processor; and a computer program stored on the memory and running on the processor, the running of the computer program causes: in response to an internal control command of the control apparatus or an external control command outside the control apparatus, determining whether there is a passenger boarding signal in the passenger conveying apparatus within a specified time interval, wherein the internal control command and the external control command comprise commands for starting or stopping the passenger conveying apparatus; and manipulating the passenger conveying apparatus based on the determining.

A system and method for cleaning and disinfecting handrail, a robot and passenger conveying equipment. The system for cleaning and disinfecting handrail has at least one robot, the robot including: a travelling device configured to enable the robot to travel along a target trajectory, a cleaning and disinfecting device configured to perform cleaning and disinfection operations on a target object, and a controller connected to the travelling device and the cleaning and disinfecting device and configured to control operation of the travelling device according to command signals such that the robot travels to a target position of the passenger conveying equipment along the target trajectory, and to control the cleaning and disinfecting device to perform cleaning and disinfection operations on the handrail at the target position.

The present invention relates to the field of passenger conveyor technologies, and provides a monitoring system of a passenger conveyor and a monitoring method thereof. In the monitoring system and detection method of the present invention, a monitored object of the passenger conveyor is sensed by using an imaging sensor and/or a depth sensing sensor to acquire a data frame, and the data frame is analyzed by a processing apparatus to monitor whether the monitored object is in a normal state. The monitored object may include a landing plate, a step, a barrier used in a maintenance and repair working condition and/or a step speed, and the like.

A people conveyor (2), which is configured for conveying passengers by at least one conveyance band (8) travelling along a closed loop, comprises at least one handrail element (6) which is configured for moving parallel to the at least one conveyance band (8) along a travel path forming a closed loop; and at least one force sensor (18a, 18b), which is configured for detecting a force (F.sub.S1, F.sub.S2) exerted by the at least one handrail element (6) in a direction transverse to the direction of movement of the at least one handrail element (6) and for providing a corresponding force signal.

A control device adapted to be connected to a conveyor system having a drive motor, a motor control unit which provides a motor control signal to the drive motor and a motor speed sensor adapted to output a motor speed signal to the motor control unit. The control device comprises: a motor speed alteration unit adapted to intercept the motor control signal and to provide a modified motor control signal to the drive motor so as to cause the motor speed to increase or decrease by a speed change value from a first motor operating speed to a target motor operating speed; and a feedback unit adapted to intercept the motor speed signal and to provide a scaled motor speed signal to the motor control unit based on the intercepted motor speed signal, the scaled motor speed signal indicating to the motor control unit that the motor speed has not been increased or decreased from the first motor operating speed by the speed change value.

This invention provides a frequency converter and bypass frequency conversion control system, and its switching control method, belonging to the technical field of motor drive control. The frequency converter of this invention accesses a network voltage signal with a corresponding first frequency and first phase, wherein the frequency converter is configured to be able to operate in tracking and synchronization mode, and in tracking and synchronization mode, the frequency converter tracks the first frequency and first phase of the network voltage signal in order to basically synchronize the second frequency and second phase of its output voltage signal with the first frequency and corresponding first phase of the network voltage signal. The frequency converter of this invention achieves simple, low cost, fast synchronization with good synchronism.