System for detecting position of moving body
A detection system and technology for moving objects, applied in elevators, transportation and packaging, etc., can solve the problems of difficult to grasp the detection of the passing time of moving objects and the need for many receivers.
Active Publication Date: 2010-04-07
HITACHI LTD
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Problems solved by technology
However, this detection system also has the problem of requiring many receivers
In addition, in a system that manages the actions of mobile robots based on the information of distributed IC tags, there is a problem that it is necessary to take an appropriate method to input detailed work instructions in the IC tags, and its main purpose is to detect the direction, so there is a problem that it is difficult to grasp the movement. The problem of correct detection of passing time
In addition, in a system that detects whether a mobile terminal such as a PC has reached a specified area through a wireless tag, and transmits the detection result to the upper system, and the mobile terminal receives the related information of the area from the upper system, since the purpose of the system is to obtain the relevant area The purpose of the detection is not to obtain the precise arrival position, but to obtain an area within a rough range, so it is different from the detection that requires high-precision detection of the position
Method used
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[0028] An embodiment of the present invention will be described below with reference to the drawings.
[0029] figure 1 It is a schematic diagram of the system structure of the elevator car position detection system in an embodiment of the present invention. Such as figure 1 As shown, the main sling 1 is connected with the elevator car 2 and the counterweight 3 , the main sling 1 is wound on the sheave 4 , and the sheave 4 is driven by the motor 5 . A pulse generator 6 that generates pulses as the motor 5 rotates is installed in the motor 5 . The pulses output by the pulse generator 6 are sent to the counter 71 in the elevator control device 7 . The counter 71 counts the pulses generated along with the movement of the elevator car 2, and the CPU 72 converts this information into relative position information or moving speed information of the elevator car 2, and the like. The CPU 72 determines the scheduled stop floor based on the information from the buttons on each floor...
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The present invention purposes to sense the position of a moving body simply and accurately while the labor to conduct installation, required accuracy, occupying space, costs, etc. are suppressed. A position sensing system is equipped with apparatus (IC tag etc.) (141-146) to transmit the inherent information along the moving path of the moving body such as an elevator car 2 and a coupler 13 installed on the side with the moving body, whereby the inherent information is acquired by the coupler 13 through approaching or confronting of the two members. On the other hand, the position of the moving body is presumed from the second relative position information and so forth, which is used to construct the arrangement to use it as a control command or utilize as management data. This enables presuming accurately the attaining position of the moving body such as elevator car, involving the effect to use the information in generating a command to the system control or in the form of acquiringthe monitoring data.
Description
technical field [0001] The present invention relates to a position detection system and a position detection method of a mobile body, in particular to a method for detecting a position based on information obtained by a receiver disposed on the side of the mobile body from a plurality of setting devices provided with unique position information on the fixed side. A position detection system and a position detection method that detect the position of a moving body and use the detection result as a command to the moving body. Background technique [0002] As an example of a moving body position detection system, a position detection system for detecting the position of an elevator car has been disclosed. As a prior art, such as the invention disclosed in Patent Document 1, a plurality of photoelectric sensors are arranged in the elevator car, and a plurality of opposite detection boards are respectively arranged on the side of the elevator passage, and a complex sensor signal ...
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IPC IPC(8): B66B5/00B66B3/00
Inventor 稻叶博美三根俊介荒堀升藤野笃哉田苗俊一
Owner HITACHI LTD