Position detection system and processing device
A detection system and processing device technology, applied in the direction of measuring devices, radio wave measurement systems, services based on location information, etc., can solve the problems that the functions will not be fully exerted, and the error will easily increase.
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no. 1 approach ＞
[0050] figure 1 It is an exemplary schematic diagram showing an application example of the position detection system of the first embodiment.
[0051] Such as figure 1 As shown, the position detection system of the first embodiment is applicable, for example, to a situation in which a vehicle V as a moving object moves to and parks in an indoor area A1 by automatic driving (semi-autonomous driving). Under such circumstances, it is important to grasp the position (current position) of the vehicle V that is traveling. In addition, the position of the vehicle V mentioned here is the concept which also includes the direction (direction) of the vehicle V.
[0052] Here, as a method for grasping the position of the vehicle V, a conventional method using a positioning system using satellites such as GPS (Global Positioning System), for example, is generally known. However, such a technique cannot be applied to an environment where positioning errors using satellites tend to increa...
no. 2 approach ＞
[0096] In the above-mentioned first embodiment, the structure in which the first signal including the trigger of the position detection of the vehicle V is transmitted from the ground device 100 to the vehicle-mounted device 200 was exemplified. However, as a second embodiment, a configuration in which the first signal described below is transmitted from the vehicle-mounted device 1200 to the ground device 1100 is also conceivable.
[0097] Hereinafter, a position detection system according to a second embodiment will be described. In addition, below, description is abbreviate|omitted about the same part in 1st Embodiment and 2nd Embodiment.
[0098] Figure 7 It is an exemplary schematic block diagram showing the functional configurations of the ground device 1100 and the vehicle-mounted device 1200 of the position detection system according to the second embodiment. The ground device 1100 is an example of a "first device", and the vehicle-mounted device 1200 is an example ...
no. 3 approach ＞
[0133] In the configuration as described above, which is based on the premise that devices for position detection are provided on both the vehicle side and the ground side, there is room for consideration in terms of power supply to the ground side devices. That is, the power supply to the device on the vehicle side can be easily realized if the power supply inside the vehicle V is used, but the power supply to the device on the ground side is usually not prepared separately for communication with the outside. Mechanisms, such as power supply wiring for power supply connection, which may become an important factor in complicating the structure, cannot be easily realized.
[0134] Therefore, the third embodiment can easily (with a simple structure) realize power supply to a device on the ground side by a structure as described below.
[0135] Figure 11 It is an exemplary schematic block diagram showing the functional configurations of the ground device 3100 and the vehicle-mo...
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