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Document Title |
JP6461551B2 |
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JP6459390B2 |
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JP6462506B2 |
To provide a motor drive control device, capable of high-speed switching with a compact and simple structure, using a reduced number of elements of a current drive type and elements having a large drive capability comparable thereto.A dr...
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JP6458334B1 |
To provide a linear drive mechanism capable of preventing a decrease in measurement accuracy of a detector, and a shape measuring machine provided with the linear drive mechanism. In a linear drive mechanism for moving a contact type or ...
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JP2019009881A |
To obtain an image formation device capable of detecting abnormality such that a motor performs rotation operation unintentionally.A DC brushless motor 1 drives a prescribed driving object. A power supply circuit 11 applies a power sourc...
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JP2019008823A |
To provide a drive circuit for an actuator used to create vibrations on a haptically enabled device, with reduced cost.An actuator drive circuit 16 of a haptically enabled system includes a motor 303, which has a first terminal and a sec...
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JP6447874B2 |
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JP6442306B2 |
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JP6435775B2 |
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JP2018193680A |
To provide a sliding door system which charges along with the movement, and performs automatic driving and brake control of a sliding door.A sliding door control device comprises a rotation body which rotates as coming in contact with an...
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JP6424790B2 |
To provide a motor control device exerting a damping effect.A damping feedback processing section 31 of a motor control device 30 for controlling a motor which performs driving for travel of a vehicle, comprises a bandpass filter 32, a c...
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JP6424403B2 |
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JP2018533906A |
Surgical stapler. Surgical staplers include a drive system, an electric motor, a battery, and a control system. The electric motor is mechanically coupled to the drive system. The battery can be electrically coupled to an electric motor....
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JP2018182798A |
To accurately detect a current flowing a motor driven by an H bridge circuit.A motor driver device 1 includes an H bridge circuit 3 for driving a motor 2 equipped on a vehicle, a current detection circuits 4 and 5, and a drive control un...
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JP6422278B2 |
A power control circuit according to one embodiment includes an H-bridge circuit formed using a plurality of power transistors. The power transistors are respectively connected to current measurement circuits that measure currents flowin...
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JP6419922B1 |
To provide an inexpensive DC motor control device having a function of detecting an absolute rotation angle of a rotating shaft. An MR sensor unit in a motor control device comprising a control unit and an MR sensor unit having a pair of...
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JP2018170896A |
To provide a motor controller capable of more promptly detecting a failure.When steering speed ω is a steering speed threshold ω0 or less (NO in a step S2), an ECU determines that a motor rotates at low speed (a step S4). When a curren...
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JP6409501B2 |
An output transistor of an output circuit that outputs a large current may have a partial fault, but such a partial fault may not be detected because the transistor is very large. To address this, the invention provides an output circuit...
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JPWO2017103986A1 |
The manipulator system (1) according to the present invention includes a manipulator (2) driven by a motor (5) and a manipulator (2), for the purpose of compensating for parameter changes due to temperature changes in more detail and ope...
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JP6398892B2 |
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JP6398369B2 |
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JP6400186B2 |
In an electric power steering device, if a semiconductor switching element is used between a battery and a bridge circuit for opening and closing a current path, this arises a problem of generation of heat by an ON resistance; for this r...
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JP6397734B2 |
To provide a DC motor control device capable of performing stable sensorless control for the DC motor without making the motor a special structure and without using a special power supply.A DC motor control device comprises: a power cont...
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JP6396718B2 |
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JP6391843B2 |
A Hall IC of an actuator calculates a relative angle by using magnetic flux densities in two directions, and corrects a linearity error in the relative angle by using correction values at correction points and a function to calculating a...
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JP2018143028A |
To provide a DC motor driving apparatus that can stably control the rotational speed of a DC motor by reducing the speed of the output rotation of the DC motor using a traction reducing gear.A DC motor driving apparatus 1 with a traction...
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JP6385076B2 |
A driving circuit for controlling a driving current is provided. A D/A converter has a precision of N bits and outputs a control signal for a driving current to a current driver. A logic unit receives input control data of M bits (M>N) a...
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JP2018125909A |
To precisely detect a lock state of a DC motor with an inexpensive configuration in an image forming apparatus.A motor 41 is a DC motor with brush, and a motor drive part 42 controls a motor conduction current of the motor 41 on the basi...
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JP6369715B2 |
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JP6370201B2 |
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JP2018121392A |
To provide a lifetime prediction device capable of appropriately predicting the lifetime of a motor, in a flow path switching valve for a water treatment device that switches a flow path of water with the motor at the time of transition ...
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JP6361562B2 |
A motor controller includes an H-bridge circuit, a switching-element driving circuit, a motor-current detection circuit, a sample hold circuit executing a sample hold of an output of the motor-current detection circuit at every half peri...
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JP6361016B2 |
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JP2018110461A |
To provide an electronic backing support control system which reduces occurrence of accidents at backing by providing an automatic support of backing control for a driver.An electronic backing support control system comprises: a backing ...
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JP6351834B2 |
A control device for a WG actuator includes a feedback control unit for performing feedback control on the WG actuator in such a way that the position of a shaft detected by a position sensor gets close to a target position, and an abnor...
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JP6346702B1 |
To provide a DC motor drive device and a DC motor device in which the rotation direction of a DC motor can be selected by connecting an AC power source. A DC motor drive device 20 has a first input terminal 211, a second input terminal 2...
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JP6339307B1 |
As a means for determining the presence or absence of a failure of the rotation sensor, a DC motor control device capable of generating relatively high-precision position information by using an output signal of an inexpensive Hall eleme...
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JP6340153B2 |
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JP6339000B2 |
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JP6331410B2 |
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JP6325050B2 |
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JP6324687B2 |
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JP6320408B2 |
A compressor for producing compressed air, in particular for a compressed air supply system of a vehicle, includes an electric motor in the form of a brushed direct current electric motor. The compressor has at least one first and one se...
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JP6315235B2 |
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JP6309582B2 |
A vibration welding system has a pair of electromagnets coupled to a first workpiece support for effecting reciprocating movement of the first workpiece support relative to a second workpiece support, and an electrical drive system coupl...
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JP6305309B2 |
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JP6301789B2 |
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JP6299975B2 |
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JP2018023238A |
To provide an evaluation system, an evaluation device, a game machine, and an evaluation method which can easily evaluate a drive motor for driving various movable bodies called an accessory attached to a gaming machine such as a pachink...
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JP2018019588A |
To provide a motor with a low cost, and a fan having the motor.A fan and a motor thereof are provided. The motor includes a motor drive device. The motor drive device includes a printed circuit board. A control management unit and a volt...
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