Abstract: Disclosed are an activation apparatus of a railway vehicle and a railway vehicle having activation apparatus. The activation apparatus being disposed in each carriage of the railway vehicle containing a plurality of marshallings, the activation apparatus comprising: a target power supply, connected with an activation busbar through a first branch, wherein the activation busbar runs through the railway vehicle containing the plurality of marshallings; and a circuit switch, configured to control a state of the first branch, wherein the state comprising one of the followings: a disconnection state and a connection state. The present disclosure solves the technical problem in the related art in which a current railway vehicle activation mode cannot allow all control carriages to activate and control a corresponding railway vehicle.

Abstract: An opening-and-closing body is configured to open and close an opening and to move in a closing direction across a first section of movement in which the opening-and-closing body moves against the weight of the opening-and-closing body and a second section of movement in which the weight of the opening-and-closing body assists the movement of the opening-and-closing body in the closing direction. A driver is configured to drive the opening-and-closing body in the closing direction. A predictor is configured to predict when the opening-and-closing body will shift from the first section of movement to the second section of movement as the driver drives the opening-and-closing body in the closing direction.

Abstract: A motor control device includes a controller configured to output a control signal to a motor driver, the control signal instructing the motor driver to cut off energization of a motor when the control signal and a signal changing depending on driving the motor do not change for a first time period, determine whether the motor is in a position hold state in which control for holding the motor at a position is executed, and change the control signal in a second time period shorter than the first time period when the motor is in the position hold state.

Abstract: A PI calculation unit of a rectangular-wave voltage control unit calculates a control deviation by performing a PI calculation on a torque deviation relative to a torque command value, and outputs a voltage phase of a rectangular-wave voltage in accordance with the control deviation. A rate-of-change limiter imposes a restriction on the rate of change of the voltage phase. Here, the rate-of-change limiter lessens the restriction on the rate of change of the voltage phase, when the rate of change of the rotational speed of an electric motor is larger than a predetermined value representing an abrupt change of the rotational speed of the electric motor.

Abstract: The invention relates to a method for controlling the movement of a wiper blade over a wiping surface, including the steps of moving the wiper blade up and down over the wiping surface between a lower turning position and an upper turning position, detecting a requirement to stop the wiper blade, moving the wiper blade downward into a lower end position and from there upward into a first parking position in the event that a reversing signal is present, and stopping the wiper blade. To this end, the wiper blade is moved into the lower end position only if previously thereto low mechanical resistance against the movement of the wiper blade over the wiping surface was determined.

Abstract: A reverse rotation detection module is provided for a power tool having an electric motor intended to rotate in a first direction but not an opposite second direction. The reverse rotation detection module is comprised of: a switching arrangement having a plurality of motor switches; three position sensors; a first latch circuit; a second latch circuit; and a motor driver module that is configured to receive the shutdown signal from the second latch circuit and discontinue driving the motor in response to the shutdown signal. An overspeed protection module is provided for a handheld power tool. The overspeed protection module is comprised of: an electric motor; a switching arrangement having a plurality of motor switches; a diode pump circuit; a comparator circuit; and a motor driver module that is configured to receive a shutdown signal from the comparator circuit and discontinue driving the motor in response to the shutdown signal.

Abstract: An electric machine including a housing, a stator mounted within the housing, a rotor rotatably mounted within the housing relative to the stator, and a vibration sensor arranged within the housing. The vibration sensor includes a sensing member configured and disposed to detect vibrations of the electric machine.

Abstract: Position control device for electric motor inputs deviation signal between angle command and angle detection value to position control section and calculates angular velocity command, inputs deviation signal between this angular velocity command and angular velocity detection value to speed control section and calculates torque current command, and controls, according to this torque current command, the electric motor current control section.

Abstract: An electric drive machine includes an electric drive system including an internal combustion engine and an electrical power generator coupled to the internal combustion engine. An electronic controller is in control communication with the electric drive system and is configured to determine an estimated temperature of a rotor of the electrical power generator at least in part by determining a rotor temperature rise estimation, compare the estimated rotor temperature to a rotor temperature threshold, and initiate an excessive temperature action if the estimated rotor temperature is greater than or equal to the rotor temperature threshold.

Abstract: The invention relates to a method for controlling the movement of a wiper blade over a wiping surface, including the steps of moving the wiper blade up and down over the wiping surface between a lower turning position and an upper turning position, detecting a requirement to stop the wiper blade, moving the wiper blade downward into a lower end position and from there upward into a first parking position in the event that a reversing signal is present, and stopping the wiper blade. To this end, the wiper blade is moved into the lower end position only if previously thereto low mechanical resistance against the movement of the wiper blade over the wiping surface was determined.

Abstract: A system and method are provided for controlling the speed of a motor driving a load that is electrically connected to a generator driven by an engine, through use of a first control feedback loop configured to control the rotor flux of the motor by controlling the field excitation of the generator, and a second control feedback loop configured to control the speed of the motor by controlling the throttle position of the engine.

Abstract: A braking circuit is adapted to supply generatively produced energy of the motor as load resistance to a bipolar transistor. The braking circuit has a voltage regulator, which controls a voltage, applied to the base terminal of the bipolar transistor to achieve an associated controlled voltage based on a reference voltage. A first power supply connector of the electrical motor, in the generator mode of operation of the electrical motor, is coupled to a collector terminal of the bipolar transistor and to the voltage input of a voltage regulator. A second power supply connector of the electrical motor is coupled to an emitter terminal of the bipolar transistor and is coupled to a reference input of the voltage regulator via a resistive branch including at least one electrical resistor.

Abstract: A motor speed control circuit includes: a first determining circuit configured to determine whether a rotation speed of a motor is higher than a set first rotation speed based on a speed signal corresponding to the rotation speed; a second determining circuit configured to determine whether the rotation speed is higher than a set second rotation speed, which is higher than the first rotation speed, based on the speed signal; and a drive signal output circuit configured to output to a drive circuit configured to drive the motor a drive signal for increasing the rotation speed when the rotation speed is lower than the first rotation speed and decreasing the rotation speed when the rotation speed is higher than the second rotation speed, based on determination results of the first and second determining circuits.

Abstract: The motor driving apparatus includes a motor driving a driven member, and a controller performing, from a start of driving of the motor, acceleration drive of the motor on the basis of a predetermined acceleration pattern with open-loop control, and then perform, in response to increase of a driving speed of the motor or the driven member to a predetermined speed, drive of the motor with feedback control. The controller changes the predetermined acceleration pattern and the predetermined speed depending on a magnitude of a load acting on the motor or the driven member.

Abstract: Disclosed is a circuit arrangement for electrically controlling and/or regulating the movement of an electrically driven unit (2), especially a window lifter or sliding roof of a motor vehicle, and to a method for operating said circuit arrangement. According to the invention, a jamming protection System is characterized in that a correlation variable (K) for the adjusting force of the unit (2) is measured and the adjusting movement is stopped or reversed in order to prevent jamming if the correlation variable (K) for the adjusting force exceeds a threshold value that corresponding to a predetermined jamming force. A filter (140) is used for temporally filtering the correlation variable (K) for the adjusting force of the unit. The invention is characterized in that the filter parameters (142, 143), especially the cutoff frequency (fg) and/or the order of the filter (140), can be controlled.

Abstract: A drive unit includes a rotating electrical machine; a rotation sensor that detects a rotational position of a rotor of the rotating electrical machine, and a storage medium. In an inspecting step of measuring a counter electromotive force by mechanically driving the rotating electrical machine after the rotating electrical machine and the rotation sensor are assembled together, positional error information of the rotation sensor obtained based on information of the counter electromotive force and output information from the rotation sensor is stored in the storage medium. The storage medium is integrally provided to the drive unit in such a state that the storage medium is readable upon assembling a control device that controls the rotating electrical machine.

Abstract: A process for controlling an electrically driven window pane for a motor vehicle which has an operating element for triggering the pane motion. After the operation of the operating element, the window pane is moved by a driving motor until a soft-stop position is reached, the motion of the driving motor being detected for determining the window pane position. A multiple operation of the operating element within a definable time period causes an overshooting of the soft-stop position to the mechanical stop, in which the position of the pane is newly defined.

Abstract: A speed controller used in a control loop of a motor includes a comparator, a processing device, and an arithmetic logical unit (ALU). The comparator compares a received instruction speed or a received measured speed of the motor with a predetermined speed value, outputs a first signal to the processing device when the received speed is greater than the predetermined speed value, or outputs a second signal to the processing device when the received speed is equal to or less than the predetermined speed value. The processing device receives a speed difference between the instruction speed and the measured speed. The processing device outputs a first proportional value when the first signal is received, or outputs a second proportional value when the second signal is received. The ALU outputs an instruction current to the control loop by calculating the proportional value according to a predetermined calculation rule.

Abstract: In a method for operating an electric machine which is coupled to a drive shaft, the electric machine is connected to a high voltage direct-current power supply line (HDVC) by a switch and the rotational speed of the connected electric machine or of the drive shaft coupled with the electric machine is determined and the electric machine is disconnected from the high-voltage direct-current power supply line (HVDC) when the rotational speed of the electric machine or, respectively, the driveshaft is above a predetermined threshold.

Abstract: A power window device includes window glass, an elevating mechanism, and a control device for detecting pinching of a foreign object by the window glass. The control device calculates an amount (a rotation speed variation ????) of the pinching based on a variation amount of an opening/closing speed of the window glass, and estimates the amount (a rotation speed variation ????) of the pinching before the opening/closing speed changes due to the pinching. The control device determines the pinching of the foreign object based on these pinching calculation and estimation amounts.

Abstract: Disclosed is an improved system and method for sensing both hard and soft obstructions for a movable panel such as a sunroof. A dual detection scheme is employing that includes an optical sensing as the primary means and electronic sensing of motor current as a secondary means. The secondary means utilizes system empirical precharacterization, fast processing algorithms, motor parameter monitoring including both current sensing and sensorless electronic motor current commutation pulse sensing, and controller memory, to adaptively modify electronic obstacle detection thresholds in real time without the use of templates and cycle averaging techniques.

Abstract: The method of operation is applied to an installation comprising an actuator supplied with an AC electric voltage and intended to drive a movable element equipping a building, in a first direction when the AC electric voltage is applied between a neutral conductor and a first phase conductor and in a second direction when the AC electric voltage is applied between the neutral conductor and a second phase conductor. It is a method wherein an item of information detected at the level of the actuator causes a sequence of at least one switching making or breaking a direct contact between the first and the second phase conductor.

Abstract: Overspeed protection of sensorless electric drives is needed in the aerospace industry. Methods for overspeed protection may include software implementations, hardware implementations or combinations thereof. Typical high-speed rotating machinery is designed to sustain overspeed operation of up to 50% beyond maximum normal operation. This requirement leads to substantial penalties in weight and volume. The methods of the present invention may allow for an opportunity to reduce this overspeed design to about 5 to 15%, typically about 7%.

Abstract: A motor control device is disclosed that reduces the shock caused by torque increase during switching output of a motor's power generator from PWM wave voltage driving to square-wave voltage driving. Switching of PWM wave voltage driving and square-wave voltage driving is determined based on rotation speed of the motor and a torque instruction value. When switching from PWM wave voltage driving to square-wave voltage driving occurs, the voltage output of the power generator is reduced. When generated voltage V drops below a specified threshold voltage, PWM wave voltage driving is switched to square-wave driving.

Abstract: A motor control device is disclosed that reduces the shock caused by torque increase during switching output of a motor's power generator from PWM wave voltage driving to square-wave voltage driving. Switching of PWM wave voltage driving and square-wave voltage driving is determined based on rotation speed of the motor and a torque instruction value. When switching from PWM wave voltage driving to square-wave voltage driving occurs, the voltage output of the power generator is reduced. When generated voltage V drops below a specified threshold voltage, PWM wave voltage driving is switched to square-wave driving.

Abstract: A protective device for a power-assisted steering system, such a power-assisted steering system, and a method for protecting a power-assisted steering system are described. Provided in the described power-assisted steering system is a circuit that closes a separation in the neutral point of an electric motor when the rotational speed of the electric motor exceeds a prespecified value.

Abstract: A square wave voltage having an amplitude equal to an output voltage of a converter is applied to an AC motor by a square wave control block. Torque control of the AC motor is performed basically by changing the voltage phase of the square wave voltage according to the torque deviation. When the motor revolution is suddenly changed, a instruction value correction unit sets a voltage instruction value of the output voltage of the converter according to a change ratio of the motor revolutions. This improves control of the motor current by changing the voltage applied to the motor in accordance with the sudden change of the motor revolutions without waiting for torque feedback control having a low control response.

Abstract: An object of the present invention is to further improve the running performance of the vehicle. This object can be solved by providing a rollback controller 150 used for controlling the operation of an inverter 400 to control an armature current of the motor 500 in a motor control equipment 120 so that, when a rollback is detected and a rollback speed exceeds a rollback speed limit, the rollback is maintained and the rollback speed is limited by the driving force of the motor 500, with the rollback speed limit value as a target speed recognized.

Abstract: An apparatus provides protection to an electric traction motor of a vehicle. The vehicle has a first powertrain and a second powertrain. The first powertrain includes an engine and it is coupled with a first set of road wheels. The second powertrain includes the electric traction motor and it is coupled with a second set of road wheels. The apparatus comprises a revolution speed sensor operatively associated with the electric traction motor. The apparatus also comprises at least one controller. The controller includes control logic for modifying operation of the vehicle in response to monitoring the revolution speed sensor to restrain the vehicle speed from increasing in such a manner as to limit revolution speed of the electric traction motor to revolution speed values below an allowable upper revolution speed limit.

Abstract: A drive system for an automotive vehicle of the front-and-rear wheel drive type, comprising a primary drive mechanism for drive of a set of front road wheels and an ancillary drive mechanism for drive of a set of rear roar wheels, wherein the front road wheels are driven by operation of the primary drive mechanism at a two-wheel drive mode and wherein the front and rear road wheels are driven by operation of both the primary and ancillary drive mechanisms at a four-wheel drive mode. In the drive system, a drive power applied to the primary road wheels is restricted to a predetermined value when the vehicle is driven by the primary and ancillary drive mechanisms at the front-and-rear wheel drive mode.

Abstract: A motor driving circuit includes a window opening switch, a window closing switch, an auto switch, a motor which opens and closes a window by driving rotating operation, a charging circuit which charges one capacitance element by a first CR time constant upon operating the window opening switch, and a discharging circuit which sharply charges another capacitance element upon operating the auto switch and which discharges a discharging voltage charged to the other capacitance element by a second CR time constant upon stopping operation of the auto switch. Driving operation of the motor stops when a voltage of the one capacitance element in the charging circuit is higher than a first reference voltage or a voltage of the other capacitance element in the discharging circuit is lower than a second reference voltage during driving the motor.

Abstract: A method and a device for controlling a wiper motor of a motor vehicle. A rain sensor sends signals to a control device and the wiper motor is switched off when a first threshold is exceeded or is not reached. After a defined time period after switching off the wiper motor, the wiper motor is switched on in order to remove residual wetness when the signals exceed or drop below a lower, second threshold.

Abstract: An edge detector 15 of an ASIC 3 detects a pass timing signal indicating a timing in which slits of a slit plate pass light emitting and receiving elements of a photo interrupter, and the rotation direction of a transfer roller based on phase-A and phase-B signals from an encoder 56. A position counter 16 counts the pass timing signal in accordance with the rotation direction of the transfer roller. When a count comparator 17 detects the agreement of the count value of the position counter 16 with the set value of a stop position setting register 12, a stop position processor 22 counts a delay time, and outputs a stop command signal of an LF motor to a PWM generator 8 in the timing of agreement with the set value of a time setting register 11.

Abstract: An electrically moving apparatus for moving a movable body includes a security mechanism for detecting an abnormal increase of a load applied to the movable body during the movable body being moved by an operation of an electric motor. The electrically moving apparatus does not require an increase of a threshold value for judging the increase of the load applied to the movable body. The security mechanism is not operated when an increase of a load for lifting down an operative member being movable in response to the movement of the movable body.

Abstract: An apparatus provides protection to an electric traction motor of a vehicle. The vehicle has a first powertrain and a second powertrain. The first powertrain includes an engine and it is coupled with a first set of road wheels. The second powertrain includes the electric traction motor and it is coupled with a second set of road wheels. The apparatus comprises a revolution speed sensor operatively associated with the electric traction motor. The apparatus also comprises at least one controller. The controller includes control logic for modifying operation of the vehicle in response to monitoring the revolution speed sensor to restrain the vehicle speed from increasing in such a manner as to limit revolution speed of the electric traction motor to revolution speed values below an allowable upper revolution speed limit.

Abstract: The presence of an object in the path of an automotive vehicle window is detected. This is accomplished by sensing or observing a system variable, such as speed or motor current, and comparing this measured value to a predicted limit value of the system variable which is based upon the behavior of the system variable when there is no object present. The values are compared over predetermined time intervals and if the measured value falls out of the predicted limit value of the system variable in a direction that indicates an obstruction, then a control system detects the presence of an object and reacts accordingly by stopping or reversing the drive motor of the vehicle window.

Abstract: In a controller for a motor-driven power steering mechanism, a motor control section outputs to a drive circuit a control signal corresponding to a torque command output from a torque calculation section. A digital signal processor receives the control signal, calculates an average of values of the control signal during a predetermined period of time, and outputs the average to an anomalous-state monitor section. The anomalous-state monitor section counts the number of times the average deviates from an allowable range. When the number of times has reached a predetermined number, the anomalous-state monitor section judges that the controller has come into an anomalous-state, and outputs a control prohibition signal to the motor control section.

Abstract: A method for the electronic monitoring and control of the opening and closing operation of electrically operated aggregates, particularly of window lifters and sunroofs in motor vehicles, is described. A regulating unit of the aggregate is connected to a vehicle electrical system. The regulating unit is directly influenceable via electrical operating control elements, i.e., via a control-electronics interfacing circuitry connected to the aggregate. The control electronics interfacing circuitry is supplied with a signal that is a function of an accelerative force acting on a motor-vehicle body. The signal which is a function of the accelerative force, is determined from a motor speed of the regulating unit.

Abstract: This invention relates to a control method, control device, and drive circuit for controlling the rpm of a spindle motor in order to reduce the rise time of the spindle motor. There is a discharge circuit 91-2 in the charge pump 91 of a spindle-motor driver 38. A control circuit 12 detects when the rpm of the spindle motor reaches near a target rpm, and discharges the charge pump 91. In this way, the rotation error near the target rpm is discharged, so it is possible to control and suppress overshoot. This makes is possible to reduce the rise time.

Abstract: The present invention discloses a novel method and apparatus for determining the position of a window glass in an aperture window as between one of two or more regions. Further, the present invention discloses a method and apparatus for determining the direction of travel of a window. The present invention senses the position and direction of travel of a window by measuring the amount of current in a motor that is suitable for moving the window as the window passes one or more elastic objects.

Abstract: A squeeze protection system for movable parts of a vehicle, includes an operating switch for one or several parts to be moved, one or several actuators assigned to the operating switch, a control device for the actuator or the actuators which receives a signal from the operating switch, and a device for determining an irregularity during the movement of the movable part which device is coupled with the control device. In order to ensure a secure closing of the movable part also in the event of an operating disturbance, it is provided that, when the operating switch is activated and an irregularity is detected during the movement of the movable part, the movement is first interrupted and is then continued at a higher switch-off threshold.

Abstract: An improved method of detecting the presence of an obstacle in the path of a motor-driven panel by computing the slope of a measured motor speed signal in a way that cancels the effect of periodic undulation of the speed signal, and comparing the computed slope to a slope threshold that is selected as a function of the average motor speed. A position sensor produces a series of pulses corresponding to panel movement, and a microprocessor-based controller stores an array of speed-related samples corresponding to the time periods between successively produced sensor pulses. The average speed is computed at two different points in the array, and the slope of the stored speed samples is determined according to a difference between the computed average speeds.

Abstract: An pinching detecting method for use in a power window apparatus, capable of preventing a malfunction even if a normal pulse edge interval is unobtainable, and of preventing a force exceeding a reference value from acting on an object pinched into a window. The power window apparatus is made up of a window opening and closing motor, a motor driving section, a pulse generator, a micro control unit and a switch device, and a timer is incorporated into the micro control unit. The micro control unit obtains a corresponding pinching decision time from a reference value at that time whenever a pulse edge of pulses outputted from the pulse generator arrives at the micro control unit and updates a set time of the timer. If one pulse edge arrives but the next pulse edge does not arrive after the elapse of the pinching decision time, the micro control unit ceases a decision on the occurrence/no occurrence of the pinching in the window and stops the drive of the motor or drives the motor in the reverse direction.

Abstract: A method is provided for controlling an electro-hydraulic power assist steering system including a variable-speed electric motor for pumping hydraulic fluid in the system. The method includes monitoring vehicle speed, vehicle steering wheel angle, and vehicle steering wheel turning rate. A parking mode or a driving mode is selected based upon the monitored vehicle speed. The speed of the variable speed electric motor is controlled based upon the monitored vehicle steering wheel turning rate if the parking mode is selected. If the driving mode is selected, the speed of the variable speed electric motor is controlled based upon the monitored vehicle speed, vehicle steering wheel angle and vehicle steering wheel angle turning rate. Accordingly, a wide range of vehicle driving conditions are accommodated and vehicle fuel efficiency is improved.

Abstract: A controller for energizing a power-operable element, such as a sunroof, window, door, vehicle seat, a component of a major appliance or of a machine or of a conveyor system. The disclosed controller senses both hard and soft obstructions and de-activates or otherwise alters operation of a motor that drives the element when an obstruction is detected. The controller can also be used to actuate a brake. The controller senses obstructions during start-up of the motor and regulates the speed of the power-operable element by pulse width modulating motor energization signals.

Abstract: A centrifugal apparatus is disclosed which includes a rotor, a motor, a speed signal generator, including a disc having alternate reflective and non-reflective stripes, for generating a rotating speed signal of the rotor, a microprocessor (mpu), an analog processing circuit. The rotating speed of the rotor is judged by both the microprocessor and the analog processing circuit including a F/V converter and a voltage comparator independently, so that an overspeed condition is prevented. The mpu may further detect a motor rotating speed and compare the variation in the rotating speed signal of the rotor and the rotating speed of the motor. If the difference exceeds a reference, the mpu stops the rotor. Another disc of which reflective strip is replaced by a non reflective strip may be provided to the rotor and a pulse compensation circuit for compensating the lack of the pulse in the rotating speed signal is also provided. This type of the disc is provided to distinguish the types of these rotors.

Abstract: A control system for an electric vehicle includes an accelerator opening detecting device for detecting a position of an accelerator, and an output command value calculating device connected to the accelerator opening detecting device for calculating an output command value of a drive motor of the electric vehicle based upon the detected accelerator opening. A motor control device is connected to the output command value calculating device, and controls the output of the motor based upon the output command value. An accelerator opening learning device learns actual accelerator opening positions, and includes at least one of a full-closure learning apparatus for generating a full-closure determined value of the accelerator based upon an output of the accelerator opening detecting device, and a full-open learning apparatus for generating a full-open determined value based upon the detected accelerator opening.

Abstract: A controller for detecting abnormal operating conditions of a continuous motion machine such as a packaging machine. The acceleration and velocity of motors for the various axes of the machine are examined by the controller and rapid deceleration or a more gradual deceleration to a lower velocity relative to a machine velocity are employed for stopping the machine when overloads in the form of jams or mechanical faults occur in moving parts of the machine. By using this system, machine overloads can be detected much earlier than by using conventional techniques, and as a result, damage resulting from overloads and nuisance tripping can be eliminated or greatly reduced.

Abstract: A hoist for raising and lowering objects with an apparatus for detecting mechanical overload of the hoist. The system provides a hoist having an alternating current motor connected to an alternating current power supply. The level of current of the power supplied to the motor is compared to a level of power indicative of a mechanical overload condition. If the current signal representative of the actual motor current level equals or exceeds the mechanical overload reference current then an overload output signal is provided.

Abstract: A motor controller for use on a treadmill to prohibit the treadmill from operating at a high speed immediately upon energization. The controller uses solid state circuitry in a motor speed circuit with a speed setting potentiometer set by the user. The system is adapted so as upon energization a minimum speed is initially achieved. The results are obtained with the interaction of a buffer circuit, solid state circuitry, and an SCR motor speed control circuit.