摘要:
The invention relates to a system for detecting safety-critical measured quantities, in particular yaw rates and/or acceleration data in motor vehicles, comprising at least two independent measurement channels (11, 12) with sensors (YR1, YR2, AX, AY) that are independent of one another and elements for verifying an error function or a malfunction of the measurement channels (5, 8). The first measurement channel (11) and the additional measurement channel(s) (12) are operated in active stand-by mode, whereby sensors of a similar type but which are not identical are used in such a way that the sensors operate in parallel in an unlimited manner. The invention also relates to a device consisting of a sealed housing (2) comprising a plug (9), in which the aforementioned system is contained.
摘要:
The invention relates to a protective arrangement for electronic functional units and/or functional groups against interferences. The invention is characterized by a division of the functional units and/or functional groups in sub-units and/or sub-groups of different sensitivities to interferences. The invention is also characterized in that different screenings against interferences are allocated to said sub-units and/or sub-groups of different sensitivities to interferences and that at least two screenings interact to provide a screening of a higher efficiency or factor.
摘要:
The invention relates to an acceleration sensor (1) comprising an acceleration sensor element (4). According to the invention, the sensor (1) emits an electric signal at a signal output (k3, k4), the sensor (1) is electrically active and is supplied with electric energy via the signal output. The invention also relates to an assembly composed of said sensor and a control device, the sensor having at least one signal line (3), which is connected to the control device (2). The latter is in particular an electronic motor vehicle brake control device and the control device (2) transmits the energy for the connected sensor or sensors (1) via the signal lines (3).
摘要:
The invention relates to a transmission device, in which tyre condition variables can be recorded and in which a coupling device is integrated into the wheel hub (3). Said coupling device consists of a rotor and a non-rotating stator for generating a field coupling and its one or more field coupling elements are arranged opposite one another, separated by a narrow air gap (24). According to the invention, energy and/or signals are coupled by means of electric fields and/or magnetic fields and/or electromagnetic fields. The system also contains a vehicle wheel equipped with sensors, consisting of a rim (1), a tyre (2) and a sensor sub-assembly (13, 13', 14, 15, 44), which rotates with the wheel. The latter has a signal connection, which can be connected to the transmission device.
摘要:
The invention relates to a sensor assembly and a sensor for such an assembly used in vehicles, especially motor vehicles. The aim of the invention is to provide a concept which is suited for different types of sensors and with which modular sensor assemblies are constructed whose basic system is suited for all sensors. To these ends, a first housing (1) is provided for accommodating at least one converter element, and a second housing (2) is provided for accommodating a signal processing unit. In addition, an at least four-terminal connection (3) is provided between said first and second housing, and a terminal connection (4, 5) of the second housing (2) is provided for a control unit.
摘要:
The invention relates to a system, preferably for influencing the handling performance of a motor vehicle, comprising a sensor module (14) having an electro-mechanical converter and a mechanical-electric converter with signal reception amplifier, which is connected via an output with an A/D signal converter and via an input with a D/A signal converter of a digital signal processing unit (13).
摘要:
The invention relates to a system for reliably transmitting the position of a control element (6) to an electronic processing unit (14) via electric signal lines (7, 8, 9) during which the position signal is transmitted over several signal channels (A,A´, B,B´, C,C´). The invention also relates to the use of said system in a motor vehicle brake system, and to a position transmitter for transmitting position signals with a magnetic encoder (1), which can be displaced in relation to a magnetic transformer (3) by a control element (6). The magnetic transformer(s) is/are arranged together with an integrated electronic signal conditioning circuit (4, 5) inside an electronic sensor module (2, 40). The invention additionally relates to a receiving device, which is provided for receiving a position signal and which comprises several processing channels (A´, B´, C´) for processing the position signals of the position transmitter.
摘要:
A circuit and a device for sensing the rotary behaviour of a wheel comprises an active wheel sensor consisting of a measurement transmitter in the form of an encoder (1) and a fixed measurement receiver (2, 2', 19). The measurement receiver comprises an active measuring component (12+13, 23) consisting of a sensor (12) with permanent magnets and an electronic signal processing circuit (13). The measuring component is connected to an evaluation circuit (10) via a connecting cable (7, 17, 20). The measuring component forms an active dipole which supplies a load-independent current (I1, I1 + I2) as an output and measurement signal. The connecting cable (7, 17, 20) is a single-wire cable. The second pole (8) is connected to the evaluation circuit via a vehicle earth terminal (9).
摘要:
An arrangement for the detection of the rotational behaviour of a rotating body or encoder (3) comprising a sensor module (1) with a sensor element (2; 2.1-2.4) with a controlled electric power source(4) which delivers a load-independent current which represents the rotational behaviour; a modulator (5) which, dependent upon signals from the sensor element (2; 2.1-2.4) and signals delivered by an external signal source via an additional connection (K5), controls the power source (4), and an evaluation circuit (9). The sensor module (1) is magnetically coupled with the encoder (3). The output signal of the sensor module (1) is a signal representing the rotational behaviour with a superimposed status and/or additional signal.
摘要:
The invention relates to a servo-system for motor vehicles. Said system preferably comprises a control logic with at least two control functions such as an anti-lock brake system and yawing moment control functions. The inventive system comprises a tyre sensor (tyre wall torsional sensor or sidewall torsional sensor). The output information or output signals of the tyre sensor (3-5) and the at least one conventional sensor (2) is/are correlated and evaluated in an electronic evaluation circuit of the servo-system in order to determine variables of the vehicle by means of forces which act upon the individual wheels and tyres.