A steering apparatus includes: a steering wheel including a hub portion, a grip portion, and spoke portions; a steering angle detection unit configured to detect a steering angle of the steering wheel; a sensor unit configured to detect contact or proximity of a human body to the grip portion; and a microprocessor. The microprocessor is configured to perform: setting a grip detection range along the grip portion, and determining whether gripping has been detected in the grip detection range, based on a detection value of the sensor unit. The microprocessor is configured to perform the setting including setting the grip detection range based on the steering angle detected by the steering angle sensor.

The present embodiments relate to a steer-by-wire-type steering apparatus, and may provide a steer-by-wire-type steering apparatus comprising: an outer member which is rotated by a driving motor and has oblique grooves formed in the inner circumferential surface thereof; an inner member which is formed in a cylindrical shape and spaced inward from the inner circumferential surface of the outer member, fixed to a steering column, and provided with a guide part open in a radial direction; a sliding member, of which the outer surface is supported by the oblique grooves when the outer member rotates, and which moves along the guide part in an inward radial direction; and a support member which moves in the radial direction in association with the sliding member, and which supports the outer circumferential surface of the steering shaft and thereby prevents the steering shaft from rotating.

A turning control device includes: a steering angular displacement calculation unit configured to, when a third steering angle that is either a first steering angle of a turning mechanism or a second steering angle of a steering mechanism, is in an angular range from a maximum angle to a threshold steering angle, calculate a steering angular displacement of the third steering angle with the threshold steering angle used as a reference; a steering angle correction value calculation unit configured to calculate a steering angle correction value according to at least the steering angular displacement; a steering angle correction value limiting unit configured to limit the steering angle correction value according to at least a steering state, the third steering angle, and angular velocity thereof; a corrected target steering angle calculation unit configured to correct the target steering angle of the turning mechanism with a limited steering angle correction value.

Systems and methods for data collection and detection of noise patterns. A system may include a data collector communicatively coupled to a plurality of input channels, wherein at least one of the plurality of input channels is operatively coupled to a vibration detection facility structured to detect a noise pattern of an industrial machine, a library to store the detected noise pattern, an interface circuit structured to make the noise pattern available to a noise pattern marketplace, the noise pattern marketplace including a plurality of noise patterns from a plurality of industrial machines, and a user interface for accessing the plurality of noise patterns of the noise pattern marketplace.

The invention relates to a sensor system (1), and a method for determining an absolute rotation angle (δ) of a shaft (10) with a rotation angle range of more than one revolution and to a vehicle fitted with a sensor system (1), wherein the sensor system (1) has a main rotor (2) that can be connected rotationally synchronously to the shaft (10), a first auxiliary rotor (3) which is mechanically coupled to the main rotor (2), a second auxiliary rotor (4) mechanically coupled to the main rotor (2), a first sensor device (SE1) which is assigned to the first auxiliary rotor (3) for generating a first sensor signal dependent on a rotation angle of the first auxiliary rotor (3), a second sensor device (SE2) which is assigned to the second auxiliary rotor (4) for generating a second sensor signal dependent on a rotation angle of the second auxiliary rotor (4), a third sensor device (SE3) which is assigned to the main rotor (2) and which is used for generating a third sensor signal dependent on a relative rotation angle (γ) of the main rotor (2) and an evaluation device for determining the absolute rotation angle (δ) of the main rotor (2) from the sensor signals of the sensor devices (SE1, SE2, SE3). The detection range (α) of the third sensor device is less than 360°.

Monitoring systems for data collection in a vehicle steering system include a vehicle steering system comprising a rack, a pinion, and a steering column; a data acquisition circuit structured to interpret a plurality of detection values, each of the plurality of detection values corresponding to at least one of a plurality of input sensors, each of the plurality of input sensors operationally coupled to the rack, the pinion, or the steering column, and communicatively coupled to the data acquisition circuit; a signal evaluation circuit comprising: a timer circuit structured to generate at least one timing signal; and a phase detection circuit structured to determine a relative phase difference between at least one of the plurality of detection values and the at least one timing signal from the timer circuit; and a response circuit structured to perform at least one operation in response to the relative phase difference.

A sensor includes a main drive gear mounted on a shaft that is subjected to detection by the sensor such that the main drive gear is rotatable integrally with the shaft; at least one driven gear meshing with the main drive gear; a sensor housing accommodating the main drive gear and the at least one driven gear; a biasing member biasing the at least one driven gear toward the main drive gear; and a conversion mechanism configured to convert an axial force that is parallel to an axial direction of the shaft and acts on the at least one driven gear to a force in such a direction that the at least one driven gear is separated from the main drive gear when a part of the at least one driven gear contacts a part of the main drive gear while the shaft is inserted in the sensor housing.

A motor control device is configured to control a motor as a dynamic force source depending on a position of a rotation detection object that rotates while interlocking with the motor, the motor and the rotation detection object being included in a mechanical apparatus including a plurality of constituent elements that interlock with each other. The motor control device includes a computation circuit configured to compute an absolute rotation angle of the rotation detection object, using a relative rotation angle of a first constituent element of the mechanical apparatus that is detected through a relative angle sensor provided in the mechanical apparatus, and a rotation number conversion value resulting from converting an absolute rotation angle of a second constituent element of the mechanical apparatus that is detected through an absolute angle sensor provided in the mechanical apparatus, into a rotation number of the first constituent element.

A steering feel assisting apparatus of a steer-by-wire (SBW) system, may include a disk configured to rotate together with a steering shaft; a cam engaged to an actuator and configured to receive a rotational force of the actuator to be eccentrically rotated; and a brake arm configured to selectively friction-contact with an external peripheral surface of the disk to provide a predetermined frictional force in a forward rotation direction of the disk as the brake arm rotates in conjunction with rotation of the cam.

A giant magnetoresistance (GMR) element is provided for use in a magnetic multi-turn sensor in which the free layer, that is, the layer that changes its magnetization direction in response to an external magnetic field so as to provide a resistance change, is thick enough to provide good shape anisotropy without exhibiting an AMR effect. To achieve this, at least a portion of the free layer comprises a plurality of layers of at least two different materials, specifically, a plurality of layers of at least a first material that is ferromagnetic and a plurality of layers of at least a second material that is known not to exhibit an AMR effect and that does not interfere with the GMR effect of the layers of ferromagnetic material.