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Document Title |
JP2001275374A |
To provide a motor controller capable of accurately stopping a motor in terms of motor deceleration. The motor controller controls the speed of the motor M, according to a signal from the motor, which is driven via an H-bridge circuit 30...
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JP2001267150A |
To prevent the occurrence of a deviation between the tap position of a control mechanism and the actual tap position of an on-load tape changer.In a motor-driven operating device 60, a separate automatic-reset torque limiter mechanism (t...
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JP2001262937A |
To provide a submerged condition detection power window device, wherein submerged condition detection circuit 5 and a drive circuit operating at the time of submerged condition detection 9, and a motor 1 is automatically driven by operat...
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JP3211557B2 |
PURPOSE: To control a closed state of a drain cock in conformity with a season which is subjected to frozen water and a season which is free of frozen water by installing a control circuit which comprises a combination of two limit switc...
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JP2001254570A |
To prevent the forced stop of the opening and closing operation of a door caused by overheating to ensure the continuation of the opening and closing operation of the door by measuring or estimating temperatures of both motor and motor d...
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JP2001258281A |
To realize smooth control of reversible switching time, easier measurement of soft start/stop time and a method of double-interlock of a reversible non-contact contactor to be used for reversible operation of an induction motor.A reversi...
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JP2001253650A |
To stop a car in safety by applying body of the dynamic brake and the mechanical brake in service interruption.In this elevator where the alternate current is converted into the direct current by a converter, and further converted into t...
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JP2001251876A |
To obtain a motor control unit which can control a motor without having to conduct troublesome operations of a power source switch.While a motor is operated (step 100), it is judged whether a a no-load state is continuing (steps 110, 120...
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JP3207382B2 |
To solve problems such as noise or looseness of screws due to collision contact of a door end stile by stopping it in a motor-driven expansible gate body by itself on a fixed position. The door end stile 2 of an expansible gate body is p...
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JP2001245485A |
To solve the problems that vibration is generated and a quantity of calculation is increased by exciting a mechanical system high order resonance.Rv is a target angular speed of a motor included in a drive part 2, V1' is an angular speed...
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JP3205755B2 |
PURPOSE: To enable the effective charge of a battery with the power at the time of generation mode by equipping it with a brake current fixing means, a step-up means for the terminal voltage of a capacitor for smoothing, and a generalize...
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JP2001238476A |
To provide a motor-control circuit, having a motor protection circuit that has a small number of components and a simple configuration, using inexpensive components.This motor-control circuit is provide with a current detection resistor ...
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JP2001513319A |
A motor controller unit includes an operating program that controllably responds to manual motor start and stop commands for protection of the semiconductor switches connected with each phase of a multi-phase electric motor. Upon receipt...
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JP2001227267A |
To prevent damage of an obstruction as much as possible.Braking is performed by combining mechanical braking by an electromagnetic brake 11 with electric braking (dynamic braking) by an electric motor 5 (an electric braking means DB). A ...
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JP2001231278A |
To suppress a counter swinging generated when a motor is stopped by braking during drive operating.A torque command value obtained by a speed regulator 3 for setting a deviation of a speed detected value of the motor from a separately se...
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JP3200908B2 |
PURPOSE: To precisely control the stop angle of a motor without using a revolution speed detector. CONSTITUTION: A clock means 9 which is reset whenever the motor 1 rotates at a prescribed angle is provided. A first operation means 7A op...
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JP2001224191A |
To provide a control unit of an induction motor, which restrains the increase of capacity of a damping resistor installed in an inverter, when the induction motor subjected to variable speed driving by a voltage type PWM inverter is in t...
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JP2001220948A |
To provide a catching detector for window glass preventing error detection of catching and preventing application of a high load to a caught object.The catching detector 11 is provided with a window switch 12, a microcomputer 13, a drivi...
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JP2001218476A |
To provide a motor controller with improved braking characteristics which is, if power supply is interrupted, capable of swiftly stopping the motor with reliability, by adding a simple external circuit to a conventional servo drive circu...
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JP2001214663A |
To completely remove chattering component even though a chattering component which is irregular and has no reproducibility has occurred on the pulse signal, and error detection is prevented and only the normal pulse signal is detected.A ...
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JP3196812B2 |
To provide an electrically-driven reel for fishing capable of contriving to protecting the tip of a fishing rod in winding up a fishing line and preventing troubles during fish taking in operation in the vicinity of a broadside. This ele...
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JP3196863B2 |
PURPOSE: To see that it never causes operation trouble even if discrepancy occurs between the position recognized by a control means and the actual position of glass by updating the position counter of the control means each time window ...
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JP2001211678A |
To add a function which reduces a deceleration and stop time of an induction motor driven by a voltage-type PWM inverter with a variable revolution, when a deceleration and stop command is given to the motor, to a controller of the motor...
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JP2001204184A |
To urgently stop a synchronous motor with an inexpensive configuration in an injection molding machine using the synchronous motor. At the input side of an inverter 31, a switch element 32 for brakes is provided between two-line circuits...
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JP2001204102A |
To provide an electric car equipped with a regenerative brake having improved accuracy in stopping the car. These power regenerative brake controlling devices 3, 7 have a voltage detecting means 7 that detects the voltage of a power supp...
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JP2001197776A |
To control a magnetic flux without using a deduced value or an estimated value based on a certain stored value peculiar to a machine. A switching reluctance machine 36 detects a magnetic flux within a magnetic flux course separately for ...
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JP3186495B2 |
PURPOSE: To achieve the operation of a distance relay free from malfunction by providing a means to reduce the power factor at least during the regeneration on a power converting equipment for an AC electric car capable of rectification ...
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JP3185724B2 |
To provide a highly reliable driving device which can accurately start a motor in accordance with the operating state of a control section even when a leak, etc., occurs due to a submerging accident, etc., when the motor is normally or r...
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JP3183551B2 |
PURPOSE: To stop a sewing needle at the target position by determining the position of a motor or a sewing machine where deceleration is started and the decelerating speed when a stop command is received via the action of a sewing pedal ...
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JP2001186601A |
To surely stop an inverter even in the case where an input circuit for a permitting signal of power running falls into trouble by keeping on. A permitting signal of power running is input from a driver's stand in the outside through a po...
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JP2001184813A |
To insure a feed speed in a rapid feed mode and also to enable a stable creep feed without being affected by the variance of the minimum starting voltage of each motor. In this disk reproducing device that is provided with a slide feed m...
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JP2001178155A |
To obtain a linear driver arranged to be a furniture driver comprising at least one drive motor linked with a driven section movable linearly provided with a controllable brake element in which the casing is not required to be enlarged f...
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JP2001175334A |
To improve the reliability of control and the positioning stop accuracy of a load in the case of controlling the position of the load by driving an induction motor at variable speed by a vector control inverter and to realize the improve...
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JP2001178190A |
To provide a method of driving and controlling a compressor motor and an inverter device for driving a compressor that enables prevention of abrupt changes of the blowing-off air temperature from an air conditioning device.A shunt resist...
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JP3180754B2 |
To provide an apparatus for treating power failure capable of decelerating and stopping spindle driving system motors and drum driving system motors while synchonizing both with simple control at the time of the power failure. This appar...
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JP2001169403A |
To make effective use of regenerative braking by controlling the voltage of a filter capacitor stably without oscillating it, even if the DC voltage of an aerial line increases when a DC electric car is braked, controlling a torque comma...
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JP2001165056A |
To provide an air conditioner with an electric compressor driven by high voltage, capable of improving the safety of occupants and mechanics, reducing the size and weight, and improving the reliability.This driving device of an electric ...
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JP2001165057A |
To provide a controller capable of stopping a pump at a minimum flow rate without using a flow switch in a direct feed-type pump water supply device.The relationship of f=aΔP2+bΔP+c is established between the differential pressure ΔP ...
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JP2001161091A |
To reduce wear in the braking member of an electromagnetic brake in a motor roller that is rotatively driven by a brushless motor and stopped by an electrical brake and the electromagnetic brake.A motor driver 13 that drives and controls...
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JP2001157303A |
To restrain unbalance of control which is caused between a plurality of control units for controlling a series of vehicles long, in high voltage control in the case of regenerative operation.This control system comprises a plurality of i...
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JP2001157484A |
To sustain and enhance durability of a motor by detecting a situation where the motor is not started or the rotation thereof is stopped upon application of a rotation command and then interrupting power supply.A comparing section 3 compa...
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JP2001151473A |
To provide an electric hoisting machine easy to recognize a braking state also from the outside by automatically detecting the braking state of a brake by the hoisting machine itself, resolving the difficulty of recognizing the lowering ...
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JP3169892B2 |
To provide a turbomolecular pump having a DC brushless motor provided with a detecting mechanism for number of revolution of a simple structure. A pickup coil 303 for detecting the magnetic flux generated by a permanent magnet 301 of a D...
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JP2001128466A |
To surely detect short circuit breakdowns in a power transistor for regeneration in an inverter device driving a motor. An inverter device 6 for driving a motor contains a short circuit detection circuit 8 and the circuit 8 is provided w...
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JP2001128473A |
To eliminate influences of simultaneous turn-on of semiconductor elements by eliminating delay time between a control command and a brake signal and improving the overrun characteristics of a motor, during braking operation. An electroni...
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JP3162710B2 |
An improved electrical circuit configuration for a chopper circuit is disclosed which is particularly adapted for use with an inductive load such as a braking resistor of the type used in many rapid transit vehicles. Instead of connectin...
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JP3163935B2 |
PURPOSE: To realize high resolution positioning and lower price by controlling the driving torque of the mover of a motor based on a second torque command signal when a movement completion signal is not outputted otherwise based on a fir...
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JP2001119807A |
To provide a car brake device, capable of stopping a car more rapidly and more surely, from the time braking is applied. When a brake pedal is tramped down to apply brake, a braking current Ib, that is proportional to the pressure on the...
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JP3158914B2 |
PURPOSE: To stop a motor when an electromagnetic brake control section which brakes the rotation of the motor malfunctions so as to prevent the running out of control or burning of the motor. CONSTITUTION: An exciting state detecting mea...
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JP2001505400A |
(57) Summary book invention is equipped with a controllable electric motor through the output stage, and in the above-mentioned output stage, The control circuit which has a microprocessor is matched, output stage control of a Pulse-Dens...
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