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公开(公告)号：EP3509875A1
公开(公告)日：2019-07-17
申请号：EP17783723.4
申请日：2017-08-18
申请人： Nira Dynamics AB
发明人： JOHANSSON, Robert
IPC分类号： B60C23/06 , B60W40/12 , B60W40/13 , B60T8/1755 , G01G19/08
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公开(公告)号：EP3250424A1
公开(公告)日：2017-12-06
申请号：EP16703919.7
申请日：2016-01-25
申请人： Nira Dynamics AB
发明人： HALL, Andreas , JOHANSSON, Robert , LILJA, Martin , LINDMARK, Gustav , LINDSKOG, Peter , SVANTESSON, Thomas
摘要： The disclosed invention makes use of a wheel speed signal to detect a wheel anomaly such as a loose wheel or a wheel with zero pressure. The wheel speed signal is used as a basis to determine a first and a second detection signal. A further basis for determining the first and second detection signals are a first and second reference signal, respectively. The anomaly of e.g. a loose wheel is detected, according to the teaching of the invention if at least one of the detection signals exceeds a threshold. In particular, the disclosure relates to methods, systems and computer program products to achieve the mentioned objective.
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公开(公告)号：EP3250424B1
公开(公告)日：2020-09-02
申请号：EP16703919.7
申请日：2016-01-25
申请人： Nira Dynamics AB
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公开(公告)号：EP3676109A1
公开(公告)日：2020-07-08
申请号：EP18789020.7
申请日：2018-10-09
申请人： Nira Dynamics AB
发明人： KARLSSON, Rickard , LINDSKOG, Peter , HALL, Andreas , MURDIN, Daniel , JOHANSSON, Robert , LILJA, Martin
IPC分类号： B60C23/06
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公开(公告)号：EP3690392A1
公开(公告)日：2020-08-05
申请号：EP20157658.4
申请日：2015-06-09
申请人： Nira Dynamics AB
IPC分类号： G01B21/30
摘要： The present invention relates to providing information on road surface conditions, in particular road roughness, under a driving vehicle having a first wheel, by determining a first sensor signal indicative of time dependent vibrations at the first wheel, using a first sensor; determining a second sensor signal indicative of a movement the vehicle chassis, using a second sensor; and determine road surface conditions under the driving vehicle based on the first sensor signal and the second sensor signal.
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