A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
VEHICLE CONTROL SYSTEM, VEHICLE CONTROL DEVICE, PORTABLE DEVICE, VEHICLE CONTROL METHOD
To perform appropriate vehicle control even when a portable device is approaching a transmitter of a vehicle control device.SOLUTION: A vehicle control device transmits a request signal P1 including two measurement signals different in signal intensity to a portable device. The portable device measures reception intensities RSSI(1) and RSSI(2) corresponding to respective measurement signals, and returns a response signal Q1 including the two reception intensities to the vehicle control device. When at least one of the reception intensities reaches an upper limit value Z in a measurable range, the vehicle control device transmits, to the portable device, a request signal P2 including proximity information indicating that the portable device is approaching a transmitter of the vehicle control device. When the portable device receives a request signal P2 containing proximity information, the portable device reduces the reception sensitivity to the measurement signal so that the measurement value of the reception intensity of the measurement signal does not reach an upper limit, measures the reception intensity again, and returns a response signal Q2 containing the two measured reception intensities to the vehicle control device.SELECTED DRAWING: Figure 2
【課題】携帯機が車両制御装置の送信部に近接している場合であっても、適切な車両制御を行えるようにする。【解決手段】車両制御装置は、信号強度が異なる２つの測定用信号を含むリクエスト信号Ｐ１を携帯機へ送信する。携帯機は、各測定用信号に対応する受信強度ＲＳＳＩ（１）、ＲＳＳＩ（２）を測定し、２つの受信強度を含むレスポンス信号Ｑ１を車両制御装置へ返信する。車両制御装置は、各受信強度の少なくとも一方が測定可能範囲の上限値Ｚに達している場合は、携帯機が車両制御装置の送信部に近接していることを示す近接情報を含むリクエスト信号Ｐ２を携帯機へ送信する。携帯機は、近接情報が含まれているリクエスト信号Ｐ２を受信すると、測定用信号の受信強度の測定値が上限値に達しないように、測定用信号に対する受信感度を低下させて受信強度を再度測定し、測定された２つの受信強度を含むレスポンス信号Ｑ２を車両制御装置へ返信する。【選択図】図２
VEHICLE CONTROL SYSTEM, VEHICLE CONTROL DEVICE, PORTABLE DEVICE, VEHICLE CONTROL METHOD
To perform appropriate vehicle control even when a portable device is approaching a transmitter of a vehicle control device.SOLUTION: A vehicle control device transmits a request signal P1 including two measurement signals different in signal intensity to a portable device. The portable device measures reception intensities RSSI(1) and RSSI(2) corresponding to respective measurement signals, and returns a response signal Q1 including the two reception intensities to the vehicle control device. When at least one of the reception intensities reaches an upper limit value Z in a measurable range, the vehicle control device transmits, to the portable device, a request signal P2 including proximity information indicating that the portable device is approaching a transmitter of the vehicle control device. When the portable device receives a request signal P2 containing proximity information, the portable device reduces the reception sensitivity to the measurement signal so that the measurement value of the reception intensity of the measurement signal does not reach an upper limit, measures the reception intensity again, and returns a response signal Q2 containing the two measured reception intensities to the vehicle control device.SELECTED DRAWING: Figure 2
【課題】携帯機が車両制御装置の送信部に近接している場合であっても、適切な車両制御を行えるようにする。【解決手段】車両制御装置は、信号強度が異なる２つの測定用信号を含むリクエスト信号Ｐ１を携帯機へ送信する。携帯機は、各測定用信号に対応する受信強度ＲＳＳＩ（１）、ＲＳＳＩ（２）を測定し、２つの受信強度を含むレスポンス信号Ｑ１を車両制御装置へ返信する。車両制御装置は、各受信強度の少なくとも一方が測定可能範囲の上限値Ｚに達している場合は、携帯機が車両制御装置の送信部に近接していることを示す近接情報を含むリクエスト信号Ｐ２を携帯機へ送信する。携帯機は、近接情報が含まれているリクエスト信号Ｐ２を受信すると、測定用信号の受信強度の測定値が上限値に達しないように、測定用信号に対する受信感度を低下させて受信強度を再度測定し、測定された２つの受信強度を含むレスポンス信号Ｑ２を車両制御装置へ返信する。【選択図】図２
VEHICLE CONTROL SYSTEM, VEHICLE CONTROL DEVICE, PORTABLE DEVICE, VEHICLE CONTROL METHOD
車両制御システム、車両制御装置、携帯機、車両制御方法
NISHIDAI TETSUO (author) / ENOMOTO YUTAKA (author)
2023-01-20
Patent
Electronic Resource
Japanese
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