Kobe Steel, Ltd.

Kobelco Construction Machinery Co., Ltd.

Kabushiki Kaisha Kobe Seiko Sho

Kabushiki Kaisha Seiko Sho

Toshiaki Shimoda

Koji Inoue

Toshiro Yamashita

Tetsuya Takahashi

Kazushige Harada

Takashi Hiekata

Tetsuya Ogawa

Hiroaki Kawai

Hiroshi Hashimoto

Yoshiro Nishimoto

Shintaroh Sasai

Shingo Kasai

Takashi Tokuyama

Takashi Morita

An output-torque estimation unit obtains a value of a current input to a motor, from a power converter, and calculates an estimated output torque value which is an estimated value of output torque of the motor, from the obtained value of the current. A load estimation unit estimates a load value of a hanging cargo based on the estimated output torque value which is calculated by the output-torque estimation unit, a speed reduction ratio of a speed reducer, an effective radius of a winch drum, and the winding number which is set by the number setting unit.

Load detector, and winding apparatus for crane comprising said detector

There is provided a construction machine that can detect a positional displacement of a detection unit, the machine including a body, a plurality of distance sensors, a position information acquisition unit, and a positional displacement detection unit. The distance sensors are disposed so that detection areas of the distance sensors partially overlap. When a predetermined target is placed in an overlapping detection area, the positional displacement detection unit compares position information of the target that is acquired from distance image data of one distance sensor by the position information acquisition unit to position information of the target that is acquired from distance image data of the other distance sensor by the position information acquisition unit to detect a positional displacement of at least one of the one distance sensor and the other distance sensor with respect to the body.

Construction machine

This interior magnet rotary electric machine () is provided with a rotor () that has a rotor core () having two sets of permanent magnets () embedded therein, and with a stator () that is disposed facing the rotor (). The two sets of permanent magnets () each comprise a pair of magnets () of like polarity disposed adjacently along the circumferential direction of the rotor. In the rotor core (), magnet embedding holes (), which accommodate the magnets () of like polarity, are formed for each of the magnets of like polarity. The thickness (a), in the rotor () circumferential direction, of the portions () of the rotor core () between like poles is less than the thickness (b) of the portions () of the rotor core () between unlike poles.

Interior magnet rotary electric machine

This interior magnet rotary electric machine () is provided with: a rotor () that has a rotor core () having permanent magnets () embedded therein; a stator () that is disposed facing the rotor (); and a fiber-reinforced plastic tube () that is fitted over and fixed to the rotor core ().

Disclosed is a winch control apparatus for a crane, which comprises: a first compensation torque value calculation section which calculates, when a hoisting manipulation being input, based on a difference speed between a detected rotational speed and a target speed according to a manipulation amount of the hoisting manipulation, a first compensation torque value for enabling an electric motor to generate a reverse-rotation-preventing torque which is a torque in a hoisting direction and corresponding to the difference speed; and a second compensation torque value calculation section which calculates, when the hoisting manipulation being input, based on a detected load value, a second compensation torque value for enabling the electric motor to generate a load bearing torque which is a torque in the hoisting direction and necessary for bearing a load of the load value.

Winch control apparatus and crane

A multiple-processor system uses transfer blocks each having a size equal to or less than the capacity of a shared memory when transferring data from a master system to a slave system via the shared memory. Each transfer block includes a data to be transferred from the master system or a plurality of divisional data obtained by dividing the data to be transferred; information representing a writing-start address at which the data to be transferred or the plurality of divisional data starts to be written in storage for the slave system; and information representing the length of the data or the plurality of divisional data.

Multiple-processor system and method for transferring data and/or a program stored in one processor to another processor in order to process the data or to execute the program therein

A digital information reproduction apparatus for compressing frames of data so as to intermittently reproduce the data in fast-forward speed. A data re-write device retrieves a reproduction-target frame for the fast-forward reproduction and a parameter-calculation-target frame exclusively for calculation of the frame data parameters. The frames then are transferred to a RAM. A decoder determines the frame data in the RAM, calculates the parameter-calculation frame data, and decodes the reproduction frame data by use of the parameter obtained as above. The described operation prevents expending the reproduction frame data with an incorrect parameter so as to normally fast-forward reproduce the compressed data. Furthermore, the present can select a frame used in the fast forward reproduction according to a feature index so that a section subjected to the fast-forward reproduction can be easily grasped by the user.

Fast-forward/fast-backward intermittent reproduction of compressed digital data frame using compression parameter value calculated from parameter-calculation-target frame not previously reproduced

A digital information reproducing apparatus in accordance with a prior art that uses a semiconductor memory to realize a memory means cannot reproduce digital data which has been encoded according to a compression coding form different from the one adopted by an incorporated decoding circuit. According to the present invention, a decoding program stored in a second semiconductor memory is selected according to a compression coding form adopted for digital data stored in a first semiconductor memory. The selected decoding program is used to decode the digital data by means of an arithmetic circuit. Thus, digital information can be reproduced irrespective of a compression coding form adopted for provided digital information.

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Kobe, Japan

Toshiaki Shimoda