JP2019206243A - 車両の挙動判定方法 - Google Patents
車両の挙動判定方法 Download PDFInfo
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- JP2019206243A JP2019206243A JP2018102164A JP2018102164A JP2019206243A JP 2019206243 A JP2019206243 A JP 2019206243A JP 2018102164 A JP2018102164 A JP 2018102164A JP 2018102164 A JP2018102164 A JP 2018102164A JP 2019206243 A JP2019206243 A JP 2019206243A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000001133 acceleration Effects 0.000 claims abstract description 45
- 239000013598 vector Substances 0.000 claims abstract description 36
- 230000006399 behavior Effects 0.000 description 61
- 230000033001 locomotion Effects 0.000 description 12
- 101100381996 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) BRO1 gene Proteins 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
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- 230000005540 biological transmission Effects 0.000 description 2
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Abstract
Description
ACCraw(t)=[dx(t),dy(t),dz(t)]
ACCH(t)=(1/(1+THs))・ACCraw(t)
LPF1x(t)=α1dx(t)+(1−α1)LPF1x(t−1)
LPF1y(t)=α1dy(t)+(1−α1)LPF1y(t−1)
LPF1z(t)=α1dz(t)+(1−α1)LPF1z(t−1)
LPFdVH(t)=[LPF1x(t),LPF1y(t),LPF1z(t)]
ACCM(t)=(1/(1+TMs))・ACCraw(t)
LPF2x(t)=α2dx(t)+(1−α2)LPF2x(t−1)
LPF2y(t)=α2dy(t)+(1−α2)LPF2y(t−1)
LPF2z(t)=α2dz(t)+(1−α2)LPF2z(t−1)
LPFdVM(t)=[LPF2x(t),LPF2y(t),LPF2z(t)]
ACCL(t)=(1/(1+THs))・ACCraw(t)
LPF3x(t)=α3dx(t)+(1−α3)LPF3x(t−1)
LPF3y(t)=α3dy(t)+(1−α3)LPF3y(t−1)
LPF3z(t)=α3dz(t)+(1−α3)LPF3z(t−1)
LPFdVL(t)=[LPF3x(t),LPF3y(t),LPF3z(t)]
θML(t)=cos−1{LPFdVM(t)・LPFdVL(t)/
(|LPFdVM(t)|・|LPFdVL|)}
angle(v1,v2)=cos−1(v1・v2/(|v1|・|v2|))
θHM(t)=cos−1{LPFdVH(t)・LPFdVM(t)/
(|LPFdVH(t)|・|LPFdVM|)}
θH(t)=cos−1{ACCraw(t)・LPFdVH(t)/
(|ACCraw(t)|・|LPFdVH|)}
Claims (2)
- 車両に載せられた携帯端末を用いて前記車両の挙動を判定する方法であって、
前記携帯端末が有する3軸加速度センサにより加速度を検出し、
検出した前記加速度のベクトルを、複数種の周波数帯毎に算出し、
前記車両の挙動を判定する状態量として、算出した前記ベクトル同士が成す角度を算出し、
算出した前記角度が予め定められた閾値よりも大きいか否かに基づいて、前記車両の挙動が非安定であるか安定であるかを判定する、車両の挙動判定方法。 - 複数種の周波数帯毎に前記角度を算出し、
複数種の周波数帯毎に、算出した前記角度が閾値よりも大きいか否かに基づいて、前記車両の挙動が非安定か安定であるかを判定する、請求項1に記載の車両の挙動判定方法。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112200436A (zh) * | 2020-09-28 | 2021-01-08 | 上海钧正网络科技有限公司 | 一种共享设备投放质量的监控方法、装置、服务器 |
JP2021078548A (ja) * | 2019-11-14 | 2021-05-27 | 株式会社三共 | 遊技機 |
JP2021078546A (ja) * | 2019-11-14 | 2021-05-27 | 株式会社三共 | 遊技機 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014010727A1 (ja) * | 2012-07-13 | 2014-01-16 | 独立行政法人産業技術総合研究所 | 移動体の進行方向推定装置及び進行方向推定方法 |
JP2016057836A (ja) * | 2014-09-09 | 2016-04-21 | 株式会社日立製作所 | 移動体分析システムおよび移動体の方向軸推定方法 |
JP2017182268A (ja) * | 2016-03-29 | 2017-10-05 | 豊田合成株式会社 | 運転者用警告装置 |
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- 2018-05-29 JP JP2018102164A patent/JP7077781B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014010727A1 (ja) * | 2012-07-13 | 2014-01-16 | 独立行政法人産業技術総合研究所 | 移動体の進行方向推定装置及び進行方向推定方法 |
JP2016057836A (ja) * | 2014-09-09 | 2016-04-21 | 株式会社日立製作所 | 移動体分析システムおよび移動体の方向軸推定方法 |
JP2017182268A (ja) * | 2016-03-29 | 2017-10-05 | 豊田合成株式会社 | 運転者用警告装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021078548A (ja) * | 2019-11-14 | 2021-05-27 | 株式会社三共 | 遊技機 |
JP2021078546A (ja) * | 2019-11-14 | 2021-05-27 | 株式会社三共 | 遊技機 |
CN112200436A (zh) * | 2020-09-28 | 2021-01-08 | 上海钧正网络科技有限公司 | 一种共享设备投放质量的监控方法、装置、服务器 |
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