Gm Global Technolgoy Operations, Inc.

Iee International Electronics and Engineering S.a.

Darren Khan

Amanpal S Grewal

Michael Puetz

Christoph Wendt

Gianluca Favalli

Taylor A Jakubczak

Daniel R Kraft

Marc Tonteling

Ben Llewellyn

Systems and methods of detecting and validating a turn light indicator in a vehicle include receiving optical perception data from an optical perception system. The optical perception data includes data describing a detected turn indicator light of another vehicle perceived by the optical perception system including a status of the detected turn indicator light. A turn indicator light signal is generated in the form of a time varying waveform based on the status of the detected turn indicator light. A duty cycle and frequency of the turn indicator light signal is obtained. An assessment is made whether the detected turn indicator light is a valid detection by comparing the duty cycle and frequency with predetermined bounds. When the detected turn indicator light is assessed to be a valid detection, then an automated feature of the vehicle is controlled based on the data describing the detected turn indicator light.

Systems and methods for detecting turn indicator light signals

A capacitive occupant detection system () comprises a sine signal generator () to apply a sine voltage signal to an antenna electrode () and a current measurement circuit () to measure current signals, based upon which a control and evaluation unit determines and outputs an occupancy state. The signal generator () is coupled to the antenna electrode via an amplitude adjustment stage (), configured to adjust the amplitude of said sine voltage signal applied to said antenna electrode to an amplitude selected among at least two discrete amplitudes. The control and evaluation circuit selects one of the discrete amplitudes at a time and causes the amplitude adjustment stage to adjust the amplitude of said the voltage signal applied to the antenna electrode accordingly. The control and evaluation circuit carries out an interference detection mode and an occupant detection mode. In interference detection mode, the current signals are measured while a low one of the at least two discrete amplitudes is selected and it is determined whether the antenna electrode is exposed to interference. In occupant detection mode, the current signals are measured while a high one of the at least two discrete amplitudes is selected and occupancy state is determined based upon the current signals thus measured.

Capacitive occupant detection system with interference detection

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Rochester Hills, MI, United States of America

Darren Khan