| Document |
Document Title |
|
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 |
The electric motor drive includes an electric motor (10); an end stage (12) for triggering the electric motor; a trigger circuit (18) for pulse-width-modulated triggering of the end stage, which is associated with the end stage (12) and ...
|
|
JP2001104687A |
To provide a braking method for processing voltage regenerated by motor braking though software and hardware and quickly and gently braking a washing machine. This braking method for a washing machine is constructed of a braking mode det...
|
|
JP3157300B2 |
PURPOSE: To improve durability and downsize a lubrication system without needing the torque capacity of a differential device. CONSTITUTION: This vehicle has a differential device, speed reducers arranged between right and left driving w...
|
|
JP2001103774A |
To miniaturize a controller and to reduce its cost by absorbing generated power with a system other than generator braking or regenerative braking and to solve long deceleration time that is caused by low deceleration rate by a software ...
|
|
JP2001103775A |
To make it possible to stop rotation of an optical disk reliably in a method to stop rotation of the optical disk in which a reverse rotation driving voltage is impressed to a motor to stop the revolutions of the disk. When the rotationa...
|
|
JP2001098845A |
To provide a secure and inexpensive method and system for detecting an object on a road surface in a power window system. The method and device for detecting an object on a road surface in the power window system 10 for a vehicle is prov...
|
|
JP3154777B2 |
PURPOSE: To prevent abrupt change of vehicle speed at the time of braking by a constitution wherein rotational speed, current and powering/braking signal of an inverter driven induction motor are inputted to an inverter control circuit w...
|
|
JP3153692B2 |
PURPOSE: To provide a signal processor for an inverter which can prevent damage to the inverter due to a regenerated current of an induction motor during stop operation. CONSTITUTION: An inverter I can select a stop mode for stop energiz...
|
|
JP2001095293A |
To provide a DC motor drive device that is capable of increasing electric power regenerated in a DC power source and effectively using the electric power of the DC power source. This DC motor drive device, having a DC power source and a ...
|
|
JP3152027B2 |
PURPOSE: To enhance safety of an electric vehicle by controlling the power factor of a motor depending on the storage condition of a battery thereby ensuring a required regenerative brake power without causing any damage on the battery. ...
|
|
JP2001065038A |
To improve responsiveness in ensuring safety in case of the occurrence of abnormality such as the lock of a motor. This private part washing device is provided with a motor for drying, deodorizing or for a water pump; a control means 8 f...
|
|
JP3144975B2 |
PURPOSE: To secure the normal operating state of a motor even when such a large-current requiring state that the load of the motor becomes larger, and so on, occurs immediately after the motor is driven by connecting one end of a dynamic...
|
|
JP3139916B2 |
PURPOSE: To provide the constitution, wherein the magnitude of the reference value of the output frequency of an inverter is changed by a large extent, and to prevent the occurrence of the instability of the stopped state of contact. CON...
|
|
JP3139716B2 |
|
|
JP2001050416A |
To release remaining stress of a transmitting part of power of a drain cock after shut-out, and extend a life by making a detecting part conductive only for a constant time after lapse of a constant time from shut-out of a motor, and dri...
|
|
JP2001046777A |
To provide a high reliability in the brake control of a motor by controlling an inverter so as to consume the kinetic energy according to the rotation of the motor as the heat of the motor in the control of the brake operation of the mot...
|
|
JP2001045781A |
To improve accuracy in the stopping position of a load by preventing excessive, increased speed of a load. A roller device 11 is provided with a rotational speed detection element 21 for detecting the rotational speed of a motor 15 and o...
|
|
JP2001045778A |
To improve accuracy in the stopping position of a load and at the same time run a load smoothly by preventing excessive, increased speed of the load. A roller device 11 is provided with a rotary speed detection element 21 for detecting t...
|
|
JP2001037286A |
To obtain a disc drive employing a reverse rotation brake system for a spindle motor in which a driver circuit is protected against breakdown due to a regenerative current by realizing a pseudo short brake system in place of the reverse ...
|
|
JP2001037080A |
To reduce dissipation energy of an overall factory by power interchanging regenerative energy of a machine during braking to a machine which needs kinetic energy. In a system for desirably working a plurality of machines driven by servo ...
|
|
JP2001037275A |
To prevent an electromagnetic brake from getting out of control due to fusion of a relay and by reduce the number of parts by mounting independently control relays for normal rotation and reverse rotation on the control circuit of a sing...
|
|
JP2001037293A |
To reduce the cost of parts for a space heater, and simplify a circuit structure by forming a braking resistor into a heater for keeping an inverter warm while it is inoperative. An inverter 1a is provided with a series circuit consistin...
|
|
JP2001037298A |
To generate electric brake effect even in case of a brushless exciting type generator. The electric brake system comprises a disconnector 2 for short- circuiting the output of a generator 1 upon stoppage, a thyristor bridge rectifier cir...
|
|
JP2001037281A |
To reduce oscillation and a noise level by providing an inverter for supplying energization so that an electrical angle may be higher than 120 degrees and equal to 180 degrees or lower, and a torque control means for controlling the gene...
|
|
JP2001028889A |
To reduce a load on a rotating member by installing a control means by which a motor is reversed by a prescribed angle when the rotating member is locked during its rotation.First, a control signal is inputted, a target angle of rotation...
|
|
JP2001025706A |
To provide a drive circuit which is capable of improving the vibration exciting force of a vibration motor and the sound pressure of an electromagnetic sounding body by efficiently driving a composite type sounding body having a vibratio...
|
|
JP3128845B2 |
The speed control device for electric motor vehicles shown in the drawing is characterized in that it includes an accelerator portion 50, a reference chopping wave generator 120, a drive control portion 60 for generating a motor driving ...
|
|
JP2001025274A |
To reduce human errors in operation due to manual operation and to surely open and close a door by equipping a DC motor that is rotated in the forward and backward directions according to the direction of current, with a position sensor ...
|
|
JP3126534B2 |
|
|
JP3126895B2 |
PURPOSE: To obtain a single phase induction motor having higher starting torque and better operational efficiency in which a high current does not flow nor an arc take place at the contact of a relay for switching an operational capacito...
|
|
JP3126371B2 |
|
|
JP2001016885A |
To simply match the speeds of motors with one another with reliability, when the motors are stopped by braking, relative to a motor decelerated latest in dynamic braking, delaying the timing of bringing the other motors in dynamic brakin...
|
|
JP2001016880A |
To control so as to prevent deterioration in motor efficiency by interrupting a drive current, when an atmospheric temperature estimated by a motor temperature estimating means exceeds a first predetermined value.A microcomputer 7 of the...
|
|
JP2001010520A |
To retain the direction without steering a tire to a stroke end in the breakage of the switch of a driving circuit by controlling opening and closing means provided on the DC power feed path of a steering motor and a short circuit path b...
|
|
JP2000358384A |
To provide a power controller, which can be reduced in size and cost by reducing the capacity of a thyristor for suppressing overvoltage and eliminating a resistor for suppressing overvoltage.A thyristor 13 for suppressing overvoltage is...
|
|
JP2000355405A |
To provide a brake controller for a stacker crane preventing a collapse of cargo on a carriage by preventing sudden braking of a motor when power is cut off and not requiring a safety factor of chains and ropes more than necessary.A cont...
|
