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Patent Searching and Data


Matches 2,201 - 2,250 out of 10,391

Document 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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  

Matches 2,201 - 2,250 out of 10,391