JP2019031384A - Passenger conveyor - Google Patents

Abstract

To provide a passenger conveyor which maintains right and left balance of a footstep when the footstep is moved by a pair of right and left motors.SOLUTION: A left motor 20L and a right motor 20R which move a footstep 30 are included. The left motor 20L is subjected to inverter control by a left inverter control circuit 102L, and the right motor 20R is subjected to inverter control by a right inverter control circuit 102R. A stop circuit 106 is included, and a main control part 100 stops power supply by the stop circuit 106 and stops the left motor 20L and the right motor 20R simultaneously when abnormality of the left inverter control circuit 102L or the right inverter control circuit 102R is detected.SELECTED DRAWING: Figure 4

Description

  Embodiments of the present invention relate to passenger conveyors.

  2. Description of the Related Art Conventionally, in an escalator having a large height difference between an upper floor and a lower floor of an escalator and a passenger conveyor having a long moving distance, a driving device having a large capacity motor is installed in a machine room.

  However, in order to avoid this, a configuration has been proposed in which a plurality of small-capacity motors are distributed in the middle of the machine room and the truss on the upper and lower floors.

  In addition, a configuration has been proposed in which a pair of left and right motors with a small capacity are arranged in the machine room, and a pair of left and right step chains are driven respectively.

Japanese Patent No. 3817684 Japanese Patent No. 5937240

  When the steps are moved by the pair of left and right motors described above, there is a problem that the balance between the left and right steps is lost unless the pair of left and right motors are operated in synchronization.

  Therefore, in view of the above problems, an embodiment of the present invention has an object to provide a passenger conveyor in which the left and right balance of a step is not lost when the step is moved by a pair of left and right motors.

  Embodiments of the present invention are provided in a truss, a first machine room provided at one end of the truss, a second machine room provided at the other end of the truss, and the first machine room. A pair of left and right motors left and right, a left drive sprocket rotated by the left motor, a right drive sprocket rotated by the right motor, and a pair of left and right left driven sprockets provided in the second machine room, A right driven sprocket, an endless left step chain spanned between the left drive sprocket and the left driven sprocket, and an endless bridge spanned between the right drive sprocket and the right driven sprocket A right step chain, a plurality of steps provided at predetermined intervals between the pair of left and right left step chains and the right step chain; and a left step for inverter-controlling the left motor. A barter circuit, a left inverter control circuit that controls the left inverter circuit, a right inverter circuit that controls the right motor by inverter, a right inverter control circuit that controls the right inverter circuit, the left inverter control circuit, and the right A main control unit for controlling an inverter control circuit, a stop circuit for stopping supply of power to the left motor and the right motor, and a monitoring circuit, wherein the monitoring circuit is the left inverter control circuit, or A passenger conveyor that operates the stop circuit to stop the supply of power to the left motor and the right motor simultaneously when an abnormal signal is input from the right inverter control circuit.

Explanatory drawing of the escalator of this embodiment. The top view of the machine room of the upper floor side. The top view of the machine room of the lower floor side. Block diagram of the escalator.

  Hereinafter, the escalator 10 of one Embodiment of this invention is demonstrated based on FIGS. 1-4. The escalator 10 of the present embodiment is suitable for the escalator 10 in which the height difference between the upper floor side machine room 14 and the lower floor side machine room 16 is, for example, 10 m or more, particularly 20 m or more.

(1) Escalator 10
The structure of the escalator 10 will be described with reference to FIGS. 1, 2, and 3. FIG. 1 is an explanatory view of the state seen from the side of the escalator 10, FIG. 2 is a plan view of a machine room 14 on the upper floor side, and FIG. 3 is a plan view of a machine room 16 on the lower floor side. is there.

  A truss 12 that is a framework of the escalator 10 is supported using support angles 2 and 3 across the upper and lower floors of the building 1.

  As shown in FIGS. 1 and 2, in the upper floor side machine room 14 at the upper end of the truss 12, there are a drive unit 18 for driving the step 30, left and right drive sprockets 24L and 24R, and left and right belt sprockets 27L and 27R. Is provided. The left and right drive sprockets 24L and 24R and the left and right belt sprockets 27L and 27R are independent of each other and are driven by the left and right drive devices 18L and 18R.

  As shown in FIG. 2, the left drive unit 18L includes a three-phase left motor 20L, a left reducer 19L, a left output sprocket 17L attached to the output shaft of the left reducer 19L, and the left output sprocket 17L. And a left disc brake (hereinafter, simply referred to as “left brake”) 21L that stops the rotation of the left motor 20L and maintains the stopped state.

  As shown in FIG. 2, a left first sprocket 11L and a left second sprocket 13L are provided coaxially with the left drive sprocket 24L. A left third sprocket 13L is provided coaxially with the left belt sprocket 27L. An endless left drive chain 22L is stretched over the left output sprocket 17L and the left first sprocket 11L. When the left output sprocket 17L rotates, the left first sprocket 11L rotates, and the left drive coaxial with the left first sprocket 11L. The sprocket 24L rotates. When the endless left connecting chain 23L is stretched over the left second sprocket 13L and the left third sprocket 13L and the left second sprocket 13L rotates, the left third sprocket 13L rotates and is coaxial with the left third sprocket 13L. Left belt sprocket 27L rotates. As a result, the left drive sprocket 24L and the left belt sprocket 27L rotate in synchronization.

  As shown in FIGS. 1 and 2, the right drive device 18R includes a three-phase right motor 20R, a right reducer 19R, a right output sprocket 17R attached to the output shaft of the right reducer 19R, and the right output. It has a sprocket 17R and a right disc brake (hereinafter simply referred to as “right brake”) 21R that stops the rotation of the right motor 20R and maintains the stopped state.

  As shown in FIG. 2, a right first sprocket 11R and a right second sprocket 13R are provided coaxially with the right drive sprocket 24R. A right third sprocket 13R is provided coaxially with the right belt sprocket 27R. An endless right drive chain 22R is bridged between the right output sprocket 17R and the right first sprocket 11R, and when the right output sprocket 17R rotates, the right first sprocket 11R rotates, and the right drive coaxial with the right first sprocket 11R. The sprocket 24R rotates. When the endless right connecting chain 23R is stretched over the right second sprocket 13R and the right third sprocket 13R and the right second sprocket 13R rotates, the right third sprocket 13R rotates and is coaxial with the right third sprocket 13R. The right belt sprocket 27R rotates. As a result, the right drive sprocket 24R and the right belt sprocket 27R rotate in synchronization.

  Left and right drive units 18L and 18R, left and right drive sprockets 24L and 24R, and left and right belt sprockets 27L. 27R is symmetrically arranged in the upper floor side machine room 14 as shown in FIG. Further, a control box 50 in which a circuit for controlling the activation of the left and right motors 20L and 20R, the operation of the left and right brakes 21L and 21R, and the like is provided in the machine room 14 on the upper floor side.

  As shown in FIGS. 1 and 3, a left driven sprocket 26 </ b> L is provided inside the lower floor side machine room 16 at the lower end of the truss 12. An endless left step chain 28L is stretched between the left drive sprocket 24L on the upper floor side and the left driven sprocket 26L on the lower floor side.

  As shown in FIGS. 1 and 3, a right driven sprocket 26 </ b> R is provided in the lower floor side machine room 16 at the lower end of the truss 12. An endless right step chain 28R is stretched between the right drive sprocket 24R on the upper floor side and the right driven sprocket 26R on the lower floor side.

  As shown in FIG. 1, a plurality of left and right pair of front wheels 301 and 301 of the step 30 are attached to the left and right step chains 28L and 28R at equal intervals. The front wheel 301 of the step 30 travels along the front guide rail and engages with the recesses on the outer periphery of the left and right drive sprockets 24L and 24R and the recesses on the outer periphery of the left and right driven sprockets 26L and 26R. Flip up and down. Further, the rear wheel 302 travels on the rear guide rail 25.

  As shown in FIG. 1, a pair of left and right skirt guards 44, 44 and a pair of left and right balustrades 36, 36 are erected on the left and right sides of the truss 12. A handrail rail 39 is provided on the upper part of the balustrade 36, and the handrail belt 38 moves along the handrail rail 39. A front skirt guard 40 on the upper floor side is provided in the lower front part on the upper floor side of the balustrade 36, and a front skirt guard 42 on the lower floor side is provided in the lower front part on the lower floor side. Inlet portions 46 and 48, which are entrances and exits of the handrail belt 38, protrude from each other. The skirt guard 44 is provided at the lower side of the balustrade 36, and the step 30 runs between the pair of left and right skirt guards 44, 44. Operation panels 52 and 56 and speakers 54 and 58 are provided on the inner side surfaces of the skirt guards 44 on the upper and lower floors, respectively. 1 shows only the right side, the left side has the same structure.

  As shown in FIG. 1, the pair of left and right handrail belts 38 and 38 enters the front skirt guard 40 from the inlet 46 on the upper floor side, and spans the left and right belt sprockets 27L and 27R via the guide roller group 64. Then, it moves in the skirt guard 44 through the guide roller group 66 and appears outside the front skirt guard 42 from the inlet portion 48 on the lower floor side. The pair of left and right handrail belts 38 and 38 move in synchronization with the step 30 as the left and right belt sprockets 27L and 27R rotate together with the left and right drive sprockets 24L and 24R. The rotating left and right belt sprockets 27L and 27R have a pressing member 68 for pressing the pair of left and right handrail belts 38 and 38 that travel. 1 shows only the right side, the left side has the same structure.

  As shown in FIG. 1, a boarding board 32 on the upper floor side is provided horizontally at the boarding gate on the ceiling surface of the machine room 14 on the upper floor side, and the boarding gate on the ceiling surface of the machine room 16 on the lower floor side. , A lower floor boarding board 34 is horizontally provided. A comb-like comb 60 is provided at the tip of the boarding / alighting plate 32, and the step 30 advances or enters from the comb 60. A comb-like comb 62 is also provided on the boarding / alighting plate 34.

(2) Electrical Configuration of Escalator 10 Next, the electrical configuration of the escalator 10 will be described with reference to the block diagram of FIG.

  The three-phase power supply 4 is connected to the rectifier circuit 108 and the smoothing circuit 110 via the stop circuit 106.

  The stop circuit 106 cuts off the three-phase power source from the three-phase power source 4 in response to a stop signal from the main control unit 100.

  The rectifier circuit 108 rectifies the three-phase AC power supply, converts it into a DC power supply, and outputs it to the smoothing circuit 110.

  The smoothing circuit 110 further smoothes the direct current, and the smoothed direct current is output in parallel to the left inverter circuit 104L and the right inverter circuit 104R, respectively.

  The escalator 10 includes a main control unit 100, a stop circuit 106, a rectifier circuit 108, a smoothing circuit 110, left and right inverter control circuits 102L and 102R, left and right inverter circuits 104L and 104R, and left and right brake circuits 112L and 112R.

  The main control unit 100 housed in the control box 50 outputs a start signal, a speed change signal, a slow stop signal, and a sudden stop signal to the left inverter control circuit 102L and the right inverter control circuit 102R, respectively. Further, a left abnormality signal is input from the left inverter control circuit 102L, and a right abnormality signal is input from the right inverter control circuit 102R.

  The left inverter circuit 104L is composed of six switching elements, and outputs a three-phase left drive current to the left motor 20L. A control signal from the left inverter control circuit 102L is input to the gate terminal of the left inverter circuit 104L, and the six switching elements are turned on / off.

  The left inverter control circuit 102L outputs, to the left inverter circuit 104L, a control signal that has been subjected to pulse width modulation (PWM) based on a start signal, a speed change signal, a slow stop signal, or a sudden stop signal from the main control unit 100. . As a result, the left inverter control circuit 102L performs PWM inverter control. The left inverter control circuit 102L includes a left load current detection unit 114L that detects a one-phase load current flowing from the left inverter circuit 104L to the left motor 20L. By detecting this left load current, the current left rotation speed and left torque of the left motor 20L are detected.

  The left brake circuit 112L operates the left brake 21L that stops the left motor 20L. The right brake circuit 112R operates the right brake 21R that stops the right motor 20R. The left brake circuit 112L and the right brake circuit 112R operate simultaneously based on the brake signal from the main control unit 100.

  The right inverter circuit 104R includes six switching elements and outputs a three-phase right drive current to the right motor 20R. A control signal from the right inverter control circuit 102R is input to the gate terminal of the right inverter circuit 104R, and the six switching elements are turned on / off.

  The right inverter control circuit 102R outputs a control signal PWMed based on the start signal, speed change signal, slow stop signal, or sudden stop signal from the main control unit 100 to the right inverter circuit 104R. Thus, the right inverter control circuit 102R performs PWM inverter control. The right inverter control circuit 102R has right load current detection means 114R that detects a one-phase load current flowing from the right inverter circuit 104R to the right motor 20R. By detecting the right load current, the current right rotation speed and right torque of the right motor 20R are detected.

  The left brake circuit 112L operates the left brake 21L that stops the left motor 20L. The right brake circuit 112R operates the right brake 21R that stops the right motor 20R. The left brake circuit 112L and the right brake circuit 112R operate simultaneously based on the brake signal from the main control unit 100.

(3) When the escalator 10 is started Next, the time when the escalator 10 is started will be described. The administrator of the escalator 10 operates the key switch of the operation panel 52 or the operation panel 56 to activate the escalator 10.

  Next, the main control unit 100 outputs start signals simultaneously to the left inverter control circuit 102L and the right inverter control circuit 102R.

  Next, the left inverter control circuit 102L performs a self-diagnosis when an activation signal is input from the main control unit 100. Self-diagnosis is a function for detecting a self-failure. For example, flash memory CRC calculation function, AM parity error detection function, AM guard function, SFR guard function, illegal memory access detection function, frequency detection function, A / D This is a test function and a function for detecting the digital output signal level of the input / output terminals.

  The flash memory CRC calculation function detects a data error in the flash memory by performing a CRC calculation.

  The AM parity error detection function is a function for detecting a parity error when reading AM as data.

  The AM guard function is a function for preventing rewriting of AM data due to the runaway of the CPU.

  The SFR guard function is a function that prevents rewriting of SFRs due to CPU runaway.

  The unauthorized memory access detection function is a function for detecting unauthorized access to an area where no memory exists and access is restricted.

  The frequency detection function is a function for performing a self-diagnosis of the CPU / peripheral hardware clock frequency using a timer and an array unit.

  The A / D test function is a function to perform self-diagnosis of the A / D converter by A / D converting the + side reference voltage, the − side reference voltage, the analog input channel, and the internal reference voltage output of the A / D converter. It is.

  The digital output signal level detection function of the input / output terminal is a function of reading the output level of the terminal when the input / output terminal is in the output mode.

  With such a function, the left inverter control circuit 102L performs a self-diagnosis and outputs a left start enable signal to the right inverter control circuit 102R if all are normal.

  The right inverter control circuit 102R also performs a self-diagnosis in the same manner, and outputs a right start enable signal to the left inverter control circuit 102L when normal.

  Next, the left inverter control circuit 102L outputs a left start enable signal, and when the right start enable signal is input, controls the left inverter circuit 104L to start the left motor 20L. Similarly, the right inverter control circuit 102R activates the right motor 20R. As described above, since the left and right motors 20L and 20R are started when the left start enable signal and the right start enable signal are input / output, they can be started safely and synchronously at the same timing.

  Next, the left inverter control circuit 102L performs normal operation of the left motor 20L at a set rotational speed and a set torque. The right inverter control circuit 102R also performs normal operation of the right motor 20R at the set rotational speed and the set torque. As a result, the left and right step chains 28L and 28R that drive the step 30 perform normal operation at the same speed and the same torque, so that the left and right balance can be moved without breaking.

  During normal operation, the left inverter control circuit 102L detects the current rotation speed and the current torque of the left motor 20L using the left load current detection means 114L so that the detected values become the set rotation speed and the set torque. Perform feedback control. Similarly, the right inverter control circuit 102R performs feedback control on the right motor 20R. Further, during normal operation, the left inverter control circuit 102L performs self-diagnosis even during normal operation, and outputs a left abnormality signal to the main control unit 100 if there is an abnormality. The right inverter control circuit 102R also performs self-diagnosis during normal operation, and outputs a right abnormality signal to the main control unit 100 if there is an abnormality. The main control unit 100 also serving as a monitoring circuit monitors whether or not an abnormal signal is input from the left inverter control circuit 102L and the right inverter control circuit 102R.

  Next, when the left abnormal signal from the left inverter control circuit 102L or the right abnormal signal from the right inverter control circuit 102R is input, the main control unit 100 sends a sudden stop signal to the left inverter control circuit 102L and the right inverter control circuit 102R. At the same time, a stop signal is output to the stop circuit 106. When the stop signal is input, the stop circuit 106 disconnects the three-phase connection between the three-phase power supply 4 and the rectifier circuit 108, stops the supply of DC power to the left inverter circuit 104L and the right inverter circuit 104R, and the left motor 20L and the right motor 20R are stopped simultaneously. Further, the main control unit 100 outputs the left brake signal and the right brake signal to the left brake circuit 112L and the right brake circuit 112R, operates the left brake 21L and the right brake 21R, and rotates the left motor 20L and the right motor 20R. Stop. Thereby, the step 30 can be stopped at the same time without breaking the left-right balance.

(4) Effect According to the present embodiment, even if the escalator 10 has a large difference in height, the truss 30 is moved up and down by using the driving forces of the two motors of the left motor 20L and the right motor 20R. The motor can be driven without providing a motor in the middle of 12. In addition, since the left motor 20L and the right motor 20R can be operated in synchronization, the left / right balance of the step 30 is not lost.

  Also, when a start signal is input from the main control unit 100, the left inverter control circuit 102L and the right inverter control circuit 102R perform self-diagnosis and input and output the left start enable signal and the right start enable signal when normal. In addition, since the activation is performed after that, it can be activated safely, and at the same time, the left motor 20L and the right motor 20R can be activated. Therefore, the left and right balance is not lost when the step 30 starts to move.

  Further, during normal operation, the left inverter control circuit 102L and the right inverter control circuit 102R perform feedback control so as to achieve the set rotational speed and the set torque, so that the step 30 moves at the set rotational speed and the set torque. And the balance between the left and right is not lost.

  Further, when an abnormality occurs in the left inverter control circuit 102L or the right inverter control circuit 102R, the main control unit 100 outputs a stop signal to the stop circuit 106, and simultaneously stops the left motor 20L and the right motor 20R, The step 30 can be stopped without breaking the left-right balance.

(5) Modification In the above embodiment, the stop circuit 106 is provided between the three-phase power supply 4 and the rectifier circuit 108. Instead, for example, the left motor 20L, the left inverter circuit 104L, the right motor 20R, and the right It may be provided between the inverter circuit 104R and the power supply may be cut off.

  In the above embodiment, the output of the motor is transmitted to the drive sprocket via the speed reducer. However, the present invention is not limited to this and is applied to inverter control of a direct drive motor that directly drives the drive sprocket as described in Patent Document 2. May be.

  In the above embodiment, the escalator 10 having a large height difference has been described. However, instead of this, even on a moving sidewalk with a long moving distance, a large-capacity driving force is required, so the left motor 20L of the present embodiment. A configuration of inverter control of the right motor 20R may be applied.

  Although one embodiment of the present invention has been described above, this embodiment is presented as an example and is not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

4 ... Three-phase power supply, 10 ... Escalator, 12 ... Truss, 14 ... Machine room, 16 ... Machine room, 20L ... Left motor, 20R ... Right motor, 30 ..Step, 100 ... Main control unit, 102L ... Left inverter control circuit, 102R ... Right inverter control circuit, 104L ... Left inverter circuit, 104R ... Right inverter circuit

Embodiments of the present invention are provided in a truss, a first machine room provided at one end of the truss, a second machine room provided at the other end of the truss, and the first machine room. A pair of left and right motors left and right, a left drive sprocket rotated by the left motor, a right drive sprocket rotated by the right motor, and a pair of left and right left driven sprockets provided in the second machine room, A right driven sprocket, an endless left step chain spanned between the left drive sprocket and the left driven sprocket, and an endless bridge spanned between the right drive sprocket and the right driven sprocket A right step chain, a plurality of steps provided at predetermined intervals between the pair of left and right left step chains and the right step chain; and a left step for inverter-controlling the left motor. A barter circuit, a left inverter control circuit that controls the left inverter circuit, a right inverter circuit that controls the right motor by inverter, a right inverter control circuit that controls the right inverter circuit, the left inverter control circuit, and the right A main control unit for controlling an inverter control circuit, a stop circuit for stopping supply of power to the left motor and the right motor, and a monitoring circuit, wherein the monitoring circuit is the left inverter control circuit, or When an abnormal signal is input from the right inverter control circuit, the stop circuit is operated to simultaneously stop the supply of power to the left motor and the right motor, and the left inverter control circuit is started from the main control unit When a signal is input, the left inverter control circuit performs self-diagnosis as to whether or not startup is possible. A left start enable signal is output to the control circuit, and when the start signal is input from the main control unit, the right inverter control circuit can self-diagnose whether start is possible in the right inverter control circuit, and start is possible. In this case, a right start enable signal is output to the left inverter control circuit, the left inverter control circuit outputs the left start enable signal, and when the right start enable signal is input, the left inverter circuit And the right inverter control circuit outputs the right start enable signal and, when the left start enable signal is input, controls the right inverter circuit to control the right motor. It is a passenger conveyor that starts the motor .

As shown in FIG. 2, a left first sprocket 11L and a left second sprocket 13L are provided coaxially with the left drive sprocket 24L. A left third sprocket 15L is provided coaxially with the left belt sprocket 27L. An endless left drive chain 22L is stretched over the left output sprocket 17L and the left first sprocket 11L. When the left output sprocket 17L rotates, the left first sprocket 11L rotates, and the left drive coaxial with the left first sprocket 11L. The sprocket 24L rotates. When the endless left connecting chain 23L is stretched over the left second sprocket 13L and the left third sprocket 15L , and the left second sprocket 13L rotates, the left third sprocket 15L rotates and is coaxial with the left third sprocket 15L. Left belt sprocket 27L rotates. As a result, the left drive sprocket 24L and the left belt sprocket 27L rotate in synchronization.

As shown in FIG. 2, a right first sprocket 11R and a right second sprocket 13R are provided coaxially with the right drive sprocket 24R. A right third sprocket 15R is provided coaxially with the right belt sprocket 27R. An endless right drive chain 22R is bridged between the right output sprocket 17R and the right first sprocket 11R, and when the right output sprocket 17R rotates, the right first sprocket 11R rotates, and the right drive coaxial with the right first sprocket 11R. The sprocket 24R rotates. When the endless right connecting chain 23R is stretched over the right second sprocket 13R and the right third sprocket 15R and the right second sprocket 13R rotates, the right third sprocket 15R rotates and is coaxial with the right third sprocket 15R. The right belt sprocket 27R rotates. As a result, the right drive sprocket 24R and the right belt sprocket 27R rotate in synchronization.

Claims (7)

A truss,
A first machine room provided at one end of the truss;
A second machine room provided at the other end of the truss;
A pair of left and right motors provided in the first machine room and a right motor;
A left drive sprocket rotated by the left motor;
A right drive sprocket rotated by the right motor;
A pair of left and right driven sprockets and right driven sprockets provided in the second machine room;
An endless left step chain spanned between the left drive sprocket and the left driven sprocket;
An endless right step chain spanned between the right drive sprocket and the right driven sprocket;
A plurality of steps provided at predetermined intervals between a pair of left and right left step chains and the right step chain;
A left inverter circuit for inverter-controlling the left motor;
A left inverter control circuit for controlling the left inverter circuit;
A right inverter circuit for inverter-controlling the right motor;
A right inverter control circuit for controlling the right inverter circuit;
A main control unit for controlling the left inverter control circuit and the right inverter control circuit;
A stop circuit for stopping the supply of power to the left motor and the right motor;
A monitoring circuit;
Have
The monitoring circuit, when an abnormal signal is input from the left inverter control circuit or the right inverter control circuit, operates the stop circuit to simultaneously stop the supply of power to the left motor and the right motor.
Passenger conveyor. A supply circuit that converts AC power from a three-phase power source into DC and supplies the left inverter circuit and the right inverter circuit;
The stop circuit stops power supply from the supply circuit to the left inverter circuit and the right inverter circuit.
The passenger conveyor according to claim 1. The stop circuit stops supply of a left drive current from the left inverter circuit to the left motor and supply of a right drive current from the right inverter circuit to the right motor.
The passenger conveyor according to claim 1. The left inverter control circuit detects a left rotation speed and a left torque of the left motor, and performs feedback control to rotate the left motor at a predetermined set rotation speed and a set torque.
The right inverter control circuit detects a right rotation speed and a right torque of the right motor, and performs feedback control to rotate the right motor at the set rotation speed and the set torque;
The passenger conveyor according to claim 1. The passenger conveyor is an escalator;
The passenger conveyor according to claim 1. The height difference between the first machine room and the second machine room is 10 m or more,
The passenger conveyor according to claim 5. The passenger conveyor is a moving walkway,
The passenger conveyor according to claim 1.

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