POSITIONING DEVICE

• Main Authors: MORI KOHEI, KAWAGOE TOMOYA, MAEMURA RYOSUKE, HIKASA TAKESHI, TAKEHARA NARIAKI
• Format: Patent
• Language: English; Japanese
• Published: 13.10.2023
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; GYROSCOPIC INSTRUMENTS; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; SURVEYING; TESTING

To provide a positioning device for suppressing an error of a positioning position when receiving radio waves from one base station.SOLUTION: A positioning device includes: a radio wave positioning device 1 for receiving radio wave signals from at least one base station, and outputting information on radio wave positioning distance as distance from a base station to a vehicle and the base station position for the respective base stations; an autonomous positioning device 2 for outputting a position of a vehicle detected by self-contained navigation as an autonomous positioning position; and a positioning position operation part 3 that obtains autonomous positioning distance as distance from a base station to an autonomous positioning distance for the respective base stations, sets a base station in which autonomous positioning distance is longer than radio wave positioning distance as a selection base station when the autonomous positioning distance is longer than the radio wave positioning distance only for one base station, sets radio wave positioning distance of the selection base station as selection radio wave distance, and outputs a position at selection radio wave positioning distance in a direction of an autonomous positioning position as a positioning position from the selection base station.SELECTED DRAWING: Figure 1 【課題】１つの基地局からの電波を受信できたときの測位位置の誤差を抑制する測位装置を提供する。【解決手段】１つ以上の基地局からの電波信号を受信し、それぞれの基地局について、基地局から車両までの距離である電波測位距離および基地局位置の情報を出力する電波測位装置１と、自律航法によって検出した車両の位置を自律測位位置として出力する自律測位装置２と、それぞれの基地局について、基地局から自律測位位置までの距離である自律測位距離を求め、１つの基地局についてのみ自律測位距離が電波測位距離よりも大きいときは、自律測位距離が電波測位距離よりも大きい基地局を選択基地局とし、選択基地局の電波測位距離を選択電波測位距離とし、選択基地局から自律測位位置の方向の選択電波測位距離の位置を測位位置として出力する測位位置演算部３とを備えることを特徴とする。【選択図】図１