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JP5596946B2 |
An apparatus for moving a unit to execute scanning includes a scanning unit including a motor, an encoder for outputting a signal according to movement of the unit, a detection unit for detecting a current supplied to the motor, a speed ...
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JP5587812B2 |
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JP5584541B2 |
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JP5577799B2 |
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JP5574693B2 |
To provide a motor controller preventing sudden stop of a motor in the case of overheating while waste of energy is suppressed, and to provide a control method. A point value corresponding to a load state of the motor is set. The load st...
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JP5570181B2 |
To provide an apparatus for controlling the power source of an electric solar shading system, which reduces standby electricity by shutting off electric power through remote controlling. This apparatus for controlling the power source of...
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JP5569512B2 |
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JP5565445B2 |
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JP5557659B2 |
A problem is to provide a motor control apparatus which can smoothly control rotations inexpensively and with a large capacity without increasing the number of parts even if the work to be driven and controlled increases. In a control po...
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JP5549636B2 |
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JP5544889B2 |
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JP5543190B2 |
A direct current motor includes an armature coil having at least three phase coils, a commutator having multiple commutator segments connected to the armature coil, a pair of brushes in slidable contact with the commutator to supply powe...
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JP2014117082A |
To provide a PWM control device for a motor capable of reducing noise generation caused by a drive signal of the motor.Control means of a motor outputs signals as one group in a second frequency lower than a human audible range. The sign...
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JP5530727B2 |
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JP5519324B2 |
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JP5519323B2 |
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JP5519321B2 |
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JP5519322B2 |
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JP5519325B2 |
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JP5511910B2 |
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JP5511184B2 |
To provide a motor drive unit which can detect abnormalities of a motor drive system using an easy control, and to provide an abnormality detection method, and an abnormality detection program. The rotation of a wiper motor 18 is detecte...
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JP5509446B2 |
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JP5511934B2 |
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JP5513949B2 |
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JP5508112B2 |
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JP5495661B2 |
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JP2014093908A |
To provide a motor control device capable of maintaining a reverse connection prevention transistor in an on state during an application time period of a surge voltage while achieving a more compact and low-cost configuration.In a motor ...
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JP2014090660A |
To provide a system for controlling an electric motor which allows for operation of a battery in reverse polarity state.A control system 100 comprises: a power supply 114; a switching element 116 connected in series with an electric moto...
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JP5493680B2 |
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JP5493988B2 |
A switching element is switched off after having been switched on for only a short time interval called a first predetermined time interval, and a determination is made, based on a mode of a change in a contact point potential (a regener...
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JP5489800B2 |
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JP5489667B2 |
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JP5492534B2 |
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JP5483309B2 |
The present invention includes a control device capable of applying a high voltage to a motor of a fuel pump for an appropriate period of time during a low voltage operation of the motor.
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JP2014068429A |
To downsize a mounting space of a flyback circuit.A flyback circuit 150 includes a motor 160, a positive voltage line 190 and a negative voltage line 195 applying a positive voltage and a negative voltage to the motor 160, a power-supply...
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JP5470889B2 |
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JP5471152B2 |
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JP5469315B2 |
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JP5465959B2 |
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JP5459652B2 |
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JP5450960B2 |
One terminal of a first capacitor is set to a fixed electric potential. A charging/discharging circuit charges/discharges the first capacitor using a current that corresponds to an input signal which specifies the revolution of a motor. ...
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JP5454493B2 |
The load driving device has a high-sided or on higher potential-side arranged output connection (13), which is connected with an end of the load (12), and a lower-sided or for lower potential provided output connection (14), which is con...
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JP5449889B2 |
A method and an apparatus for quantitatively detecting the unbalanced state of a rotating shaft and a clamping state of a workpiece clamped to a shaft are disclosed by solving with a nonlinear multivariable method a Lagrange kinematics e...
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JP5444834B2 |
A first semiconductor switching element connects to a high side of a motor and includes a diode whose cathode faces the high side. A second semiconductor switching element having a diode resides on a low side of the first semiconductor s...
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JP2014045539A |
To provide a noise suppressor 1 for starter capable of suppressing noise generated from a motor 4.A noise suppressor 1 includes a conductor member 15 for adding an inductance between a motor lead wire 20 and a terminal bolt 12 on the mot...
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JP2014039450A |
To provide a driving device capable of handling an alternative change of inertia in a drive train, and an image forming apparatus.A driving device 150 includes a drive train in which inertia alternatively changes, a DC motor 101 that dri...
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JP5428634B2 |
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JP5414853B2 |
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JP5415131B2 |
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JP5411278B2 |
Embodiments of the present method and system permit an effective method for determining the optimum selection of pulse width modulation polarity and type including determining machine parameters, inputting the machine parameters into a p...
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