#MEIDENSHA ELECTRIC MFG CO LTD [JP]

VEHICLE SYSTEM VIBRATION SUPPRESSION CONTROL DEVICE AND VIBRATION SUPPRESSION CONTROL METHOD

Provided is a vibration suppression control device for a vehicle system, the device using motor speed information to suppress vibration due to resonance, and thereby improve vehicle riding comfort. Th…

DRIVE·Mar 26·1 min read

B60L15/20 MEIDENSHA ELECTRIC MFG CO LTD [JP]

PANTOGRAPH DISPLACEMENT MEASURING DEVICE, AND TROLLEY-WIRE HARD-SPOT DETECTION METHOD

[Problem] A configuration provided with: a plurality of markers 5 affixed, so as to be spaced apart in a vehicle width direction, to an end surface of a pantograph 1a; an area sensor camera 2 that is …

DRIVE·Jun 21·2 min read

B60L5/26 MEIDENSHA ELECTRIC MFG CO LTD [JP]

REGENERATION INVERTER DEVICE FOR ELECTRIC RAILROAD

Consumption of regenerated power by a regeneration inverter for electric railroads must rely on lighting and power supplies in yards, and can only consume a fraction of the regenerated power generated…

DRIVE·Nov 2·2 min read

B60L7/10 MEIDENSHA ELECTRIC MFG CO LTD [JP]

REGENERATION INVERTER DEVICE FOR ELECTRIC RAILROAD

DRIVE·Nov 2·2 min read

B60L7/10 MEIDENSHA ELECTRIC MFG CO LTD [JP]

WEAR MEASURING DEVICE AND METHOD FOR SAME

A wear measuring device which has a wear measurement camera (2) to image the bottom face of the trolley wire (3) in contact with a pantograph (5) installed on the roof of a train (1) and comprises an …

DRIVE·Dec 30·2 min read

B60M1/28 MEIDENSHA ELECTRIC MFG CO LTD [JP]

PANTOGRAPH MEASUREMENT METHOD, AND PANTOGRAPH MEASUREMENT DEVICE

A pantograph measurement method by means of image processing comprising a process (S1) for acquiring a video image of a marker (50) disposed on a pantograph (40) and for generating a space-time image …

DRIVE·Jan 7·1 min read

B60M1/28 MEIDENSHA ELECTRIC MFG CO LTD [JP]

TROLLEY WIRE ABRASION MEASURING APPARATUS USING IMAGE PROCESS

A processing computer, which is placed within a vehicle, comprises: a line sensor image creating unit (4a) for creating a line sensor image obtained by arranging, in a time sequence manner, image sign…

DRIVE·May 7·1 min read

B60M1/28 MEIDENSHA ELECTRIC MFG CO LTD [JP]

CONTACTLESS POWER FEEDING APPARATUS AND CONTACTLESS POWER FEEDING METHOD

[Object] To make a high efficiency electric power feeding possible without a wireless communication. [Means for achieving Object] There is provided an electric power feeding apparatus 100 for feeding …

DRIVE·Oct 30·2 min read

B60L53/126 MEIDENSHA ELECTRIC MFG CO LTD [JP]

CONTACT FORCE MEASUREMENT METHOD AND CONTACT FORCE MEASUREMENT DEVICE

Provided is a contact force measurement method and a contact force measurement device with which the contact force of a pantograph can be measured using image processing, even for pantographs with a s…

DRIVE·Mar 6·2 min read

B60M1/28 MEIDENSHA ELECTRIC MFG CO LTD [JP]

DEVICE FOR MEASURING DISPLACEMENT OF PANTOGRAPH AND METHOD FOR DETECTING HARD SPOT OF TROLLEY WIRE

Since an image processing unit (5A) for determining the acceleration of a pantograph by processing the image of a marker captured by a line sensor camera (2) comprises a input image creating unit (5a)…

DRIVE·Mar 21·2 min read

B60L5/26 MEIDENSHA ELECTRIC MFG CO LTD [JP]

DEVICE AND METHOD FOR MEASURING VERTICAL ACCELERATION OF PANTOGRAPH BY IMAGE PROCESSING

In a device for measuring vertical acceleration of a pantograph by photographing an image of a pantograph by a line sensor camera (1) mounted on a vehicle body and calculating the vertical acceleratio…

DRIVE·May 25·2 min read

B60L5/26 MEIDENSHA ELECTRIC MFG CO LTD [JP]

Method and apparatus of controlling electric vehicle

A method controls an electric vehicle which is so constituted as to drive a synchronous motor by way of a switch and an inverter circuit. A battery acts as a source of driving a controlling power. The…

DRIVE·Apr 2·1 min read

B60L50/60 MEIDENSHA ELECTRIC MFG CO LTD [JP]