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A logic verification device, a logic verification method and a logic verification computer program that can reduce the number of steps involved in designing a logic circuit particularly when the designed logic circuit is subjected to logic verification and modification at the spot where an error is detected. The logic verification device comprises a data converter section adapted to convert real circuit data to be processed for designing a logic circuit into data for verification to be processed for logic verification and vice versa, a verifier section adapted to operate for logic verification of said data for verification and a temporary modifier section adapted to acquire the result of verification of said verifier section and the modification candidate data corresponding to the result of verification of said verifier section and pre-selected as candidate data for modification of said data for verification and modify said data for verification on the basis of said acquired result of verification and said acquired modification candidate data.

The present invention provides an adjustable star wheel provided with at least one interchangeable pocket for receiving a container to be conveyed. The star wheel comprises a larger pocket of fixed shape and size, moveable jaws defining a smaller pocket having a fixed shape and size, an actuator disc rotatable about the central axis, and a cam mechanism linking the jaws to the actuator disc to cause radial movement of the jaws. In an extended position, the jaws move the smaller pocket into coincidence with the larger pocket thereby configuring the star wheel to receive containers in the smaller pocket. In the retracted position, the jaws are clear of the larger pocket thereby configuring the star wheel to receive containers in the larger pocket.

An empirical ensemble based virtual sensor system (VS) for the estimation of an amount of water (C) or oil (A) in a fluid mixture, said virtual sensor comprising two or more empirical models (NN1, NN2, . . . , NNn). The amount is estimated in each of the empirical models (NN1, NN2, . . . , NNn), and a combination function combines (f) the results from the empirical models (NN1, NN2, . . . , NNn) to provide a combined estimate for the amount (yR) that is more accurate than the estimated amount (y1, y2, . . . , yn) from each of the individual empirical models (NN1, NN2, . . . , NNn). The total performance of the virtual sensor system may be increased by increasing the number of empirical models (NN1, NN2, . . . , NNn).

There is described a communication system for reliable communication between communication stations, wherein there is at least one communication connection between the communication stations, wherein the communication connection features at least two channels for transmitting payload data telegrams, wherein only one channel acts as primary channel for the communication at any time, and wherein the other channels are provided as backup channels. A status indicator in the payload data telegram is provided for the indication of information concerning which channel is primary channel or backup channel at a given time point, wherein the communication stations adopt as primary channel that channel for which, during receipt of the payload data telegrams, the most recent status change from backup channel to primary channel was detected by the communication stations.

Disclosed in the present invention is an autonomous vehicle (1), which comprises an housing (21), an driving module mounted on the housing (21), an borderline detecting module mounted on the housing for detecting the distance between the autonomous vehicle (1) and the borderline (3), an energy module mounted on the housing for providing energy for the autonomous vehicle, and an control module electrically connected with the driving module and the borderline detecting module. The control module controls the driving module to perform steering based on the signal representing the angle relationship between the autonomous vehicle (1) and the borderline (3) transmitted from the borderline detecting module, so that the axis (33) of the autonomous vehicle (1) always forms an acute angle or an right angle with one side of the borderline (3) while steering is completed, but another side of the borderline (3) forms an acute angle or an right angle with the core axis (33) of the autonomous vehicle (1) when the turning begins. The turning has directivity, so that the autonomous vehicle more easily goes out from the narrow area and the efficiency of area covering is higher; moving is kept during the turning, so that the energy is saved, and the working efficiency is improved.

A seal member with its base end connected to a metal core has three seal lips. The thickness of the tip end of the intermediate seal lip in the intermediate position is d1, and the thickness of the base end is d2. The thickness of the tip end of the innermost inner seal lip is D1 and that thickness of the base end is D2. In this case, at least part of the base end of the intermediate seal lip and inner seal lip has its thickness regulated to be 0.2·d1≦d2≦0.8·d1, and 0.5·D1≦D2<D1. The tip edge of the inner seal lip is fitted onto the outer peripheral surface of the radially inside cylindrical portion of a slinger with substantially zero interference. Consequently, even if the slinger and metal core are displaced relative to each other, excellent seal performance is secured while increase of torque is inhibited.

A seal member with its base end connected to a metal core has three seal lips. The thickness of the tip end of the intermediate seal lip in the intermediate position is d1, and the thickness of the base end is d2. The thickness of the tip end of the innermost inner seal lip is D1 and that thickness of the base end is D2. In this case, at least part of the base end of the intermediate seal lip and inner seal lip has its thickness regulated to be 0.2 ·d1≦d2≦0.8 ·d1, and 0.5 ·D1 ≦D2<D1. The tip edge of the inner seal lip is fitted onto the outer peripheral surface of the radially inside cylindrical portion of a slinger with substantially zero interference. Consequently, even if the slinger and metal core are displaced relative to each other, excellent seal performance is secured while increase of torque is inhibited.

In a tapered roller bearing assembly, a crowning profile formed portion of the roller rolling surface is made up of a contact area crowned portion, which is held in contact with an inner ring raceway surface, and a non-contact area crowned portion which is held in non-contact with the inner ring raceway surface. The contact area crowned portion and the non-contact area crowned portion have their generatrices extending in an axial direction of a roller, which generatrices are represented by corresponding continuous lines represented by different functions and continued smoothly at a point of connection, and the curvature of the generatrix of the non-contact area crowned portion in the vicinity of the connection point is chosen to be smaller than the curvature of the generatrix of the contact area crowned portion.

A seal member with its base end connected to a metal core has three seal lips. The thickness of the tip end of the intermediate seal lip in the intermediate position is d1, and the thickness of the base end is d2. The thickness of the tip end of the innermost inner seal lip is D1 and that thickness of the base end is D2. In this case, at least part of the base end of the intermediate seal lip and inner seal lip has its thickness regulated to be 0.2·d1≦d2≦0.8·d1, and 0.5·D1≦D2<D1. The tip edge of the inner seal lip is fitted onto the outer peripheral surface of the radially inside cylindrical portion of a slinger with substantially zero interference. Consequently, even if the slinger and metal core are displaced relative to each other, excellent seal performance is secured while increase of torque is inhibited.