Abstract: A trashcan assembly can include a body portion, a lid portion pivotably coupled with the body portion, and a sensor assembly configured to generate a signal when an object is detected within a sensing region. The sensor assembly can include a plurality of transmitters having a first subset of transmitters and a second subset of transmitters. A transmission axis of at least one transmitter in the first subset of transmitters can be different from a transmission axis of at least one of the transmitters in the second subset of transmitters. An electronic processor can generate an electronic signal to a power-operated drive mechanism for moving the lid portion from a closed position to an open position, such as in response to the sensor assembly detecting the object.

Abstract: The present invention relates to a moving equipment, such as in a medical examination system. In order to provide a facilitated way of moving equipment with high accuracy, a driving device (10) for moving equipment is provided, comprising a motor-driven positioning unit (12), a central processing unit (14), and a user interface (16) with at least one sensor unit (18). The motor-driven positioning unit is configured to carry out a movement (M) of movable equipment. Further, the central processing unit is configured to control the movement of the equipment provided by the motor-driven positioning unit. The at least one sensor unit comprises at least one touch sensitive area (20), and the at least one sensor unit is configured to provide control signals (22) to the central processing unit in dependency from a force (F) applied by a user to the at least one touch sensitive area. Still further, the at least one sensor unit is configured to be fixedly attached to the movable equipment.

Abstract: Provided is a control apparatus of a vibration-type actuator for generating an elliptical motion of contact portions by a common alternating current including a frequency determining unit for setting a frequency of the alternating current. The frequency determining unit sets the frequency of the alternating current for changing an ellipticity of the elliptical motion, within a frequency range such that ellipticity changing frequency ranges set for the vibrators are overlapped, and the ellipticity changing frequency ranges are set for the vibrators as frequency ranges between an upper limit and a lower limit, such that the lower limit is a maximum resonant frequency at a time of changing the ellipticity, and the upper limit is larger than the lower limit and is a maximum frequency for the relative movement of the driving member.

Abstract: It is presented a lock device comprising: a controller configured to determine whether to open the lock device, wherein the controller is configured to provide an open signal when the lock device it to be opened, the open signal being a pulsating signal; a motor controllable to set the lock device in an open state or a closed state; and a motor driver connected between the controller and the motor, the motor driver comprising a capacitor providing a capacitive coupling between the controller and the motor, the motor driver being configured to provide a motor control signal to the motor to set the lock device in an open state only when a duty cycle of the open signal is less than a threshold duty cycle.

Abstract: A cleaning system including a motor, a battery receptacle, and a motor controller. The battery receptacle is configured to receive a battery pack. The battery pack includes one or more battery cells and a battery controller. The motor controller is configured to receive from the battery controller at least one selected from the group consisting of a first signal indicative of a first characteristic of the battery pack and a second signal indicative of a second characteristic of the battery pack. The motor controller is further configured to operate the motor at a defined speed, the defined speed being a first speed upon receiving the first signal and a second speed upon receiving the second signal. Wherein the first characteristic and the second characteristic are at least one selected from the group consisting of a capacity, a current, and a resistance.

Abstract: This disclosure features an apparatus including a motor controller to generate control signals to control an electric motor. The motor controller includes a first saturation controller to generate a first saturation controller output based on feedback signals associated with the electric motor. The motor controller further includes a duty ratio modulator coupled to the first saturation controller. The duty ratio modulator is configured to determine activation times for a set of voltage vectors based on the first saturation controller output. The motor controller is configured to generate, at each switching cycle, a control signal based on the set of voltage vectors and the activation times for the set of voltage vectors, and provide the control signal for controlling the electric motor.

Abstract: In order to provide a simple and reliable configuration capable of detecting whether an arc is a serial arc or a parallel arc and extinguishing these arcs, a solar photovoltaic system protecting apparatus determines whether or not an arc is present in a state where a first relay (41P, 41N) is closed and a second and a third relay (42, 43P, 43N) are open, identifies whether the arc is a parallel arc or a serial arc in a state where the first relay (41P, 41N) and the second relay (42) are closed, and opens the first relay (41P, 41N) in a case where a serial arc has been generated and closes the third relay (43P, 43N) in a case where a parallel arc has been generated.

Abstract: A servo control apparatus according to the present invention includes a speed command generator; a torque command generator; a speed detector; a speed control loop; a speed control loop gain setting unit; at least one filter for filtering a specific band of a torque command value; a sinusoidal disturbance input unit for performing a sinusoidal sweep on the speed control loop; a frequency characteristics calculator for estimating the gain and phase of speed control loop input and output signals; a resonance frequency detector; a filter adjuster for adjusting the filter in accordance with a resonance frequency; a gain adjuster; a sequence controller for online and automatically performing the detection of the resonance frequency, the adjustment of the speed control loop gain, and the adjustment of the filter; and an adjustment state display unit. The adjustment state display unit displays a stage and progress in the adjustment by the sequence controller.

Abstract: In a manipulation assisting control apparatus, a manipulation assistance controller causes a switch unit to be in an on-state and which executes control of a motor drive circuit to apply an assisting force, in a case where a manipulation target object is moved in a predetermined direction. A first stop controller causes the switch unit to be in an off-state and stops the control of the motor drive circuit, in a case where the manipulation target object moved in the predetermined direction stops at an end position. A second stop controller causes the switch unit to be in the on-state and stops the control of the motor drive circuit, in a case where the manipulation target object moved in the predetermined direction stops at an intermediate position or in a case where the manipulation target object moves in a direction opposite to the predetermined direction.

Abstract: Apparatus features a microcontroller configured to: receive signaling containing information about a measured change of a magnetic field created by a magnetic circuit driving a motor; and determine corresponding signaling containing information about the speed of rotation of the motor, based upon the signaling received. The microcontroller provides control signaling containing information to control the operation of the motor, including where the motor control is used to control the flow of fluids from a pump. A Hall Effect Sensor is used to sense the magnetic flux and provide the signaling in the form of a feedback signal for implementing motor control. The motor housing has a slot, the Hall Effect sensor is mounted external the motor housing over the slot, and a ferromagnetic bridge is arranged over the Hall Effect sensor to close the magnetic circuit and cause more flux to go through the Hall Effect sensor.

Abstract: A control system for an electric motor, the control system comprising a first control device arranged to control an operation of a first component of the electric motor; a second control device arranged to control an operation of a second component of the electric motor, wherein the first control device is arranged to transmit to the second control device a first signal for indicating the transmission of data over a first communication link to the second control device, wherein the second control device is arranged to use the timing of the first signal to synchronize the operation of the second component with the operation of the first component.

Abstract: A motor control device includes a converter that converts AC power into DC power, a smoothing capacitor provided in a DC link, an inverter that converts the DC power in the DC link into AC power for a motor, a capacitor capacity measurement unit that measures a capacity of the smoothing capacitor, a data record unit that records a plurality of pieces of data composed of a measurement value of the capacity of the smoothing capacitor and a date or both a date and time when the measurement has been performed, a deterioration characteristic calculation unit that calculates a deterioration characteristic line indicating a change of the capacity of the smoothing capacitor with respect to elapsed time, on the basis of the recorded data, and a life prediction unit that predicts a period when a life of the smoothing capacitor ends, on the basis of the deterioration characteristic line.

Abstract: A method and apparatus using electromagnetic switching in a two-step connection process is provided to minimize surge currents and torque oscillations in three-phase motors during starts.

Abstract: Relay devices and methods of use for detecting and reacting to subsynchronous oscillation events in electrical energy generation and transmission systems, such as but not limited to, subsynchronous control interactions between wind-turbine generators and series-compensated transmission lines.

Abstract: An apparatus and method for assisting a user in actuating a locking mechanism associated with a storage device. The locking mechanism has a combination input device and a lock capable of being switched from a locked state to an unlocked state upon entering a preset combination using the combination input device. The actuator comprises an interface configured to releasably engage the combination input device of the locking mechanism and move the combination input device to actuate the locking mechanism and transition the lock from the locked state to the unlocked state. A controller is in communication with the actuator and configured to operate the actuator so that the actuator moves the combination input device based on the preset combination to actuate the locking mechanism and transition the lock from the locked state to the unlocked state.

Abstract: A device for measuring a relative rotation speed and/or a relative angular position between a first rotating element (2) and a second rotating element (3). The device includes a structure for generating a magnetic field rotating at a magnetic rotation speed representing a rotation speed of the first rotating element and a sensor (5) mounted to rotate and adapted to produce from the rotating magnetic field a measurement signal representing the relative rotation speed and/or the relative angular position. The device also has a processor (11) positioned on the static part and intended to acquire the measurement signal. A transmitter is adapted to transmit the measurement signal to the processor from the sensor.

Abstract: In some examples, a circuit is configured to generate a first signal based at least in part on an input signal, wherein the first signal comprises a common mode signal and a load signal. The circuit is further configured to generate a second signal based at least in part on the input signal, wherein the second signal comprises an inverted version of the common mode signal. The circuit is further configured to apply the first signal and the second signal to a load.

Abstract: The DC power-supply device includes a rectifier circuit rectifying an alternating current, a reactor connected to an input or output side of the rectifier circuit, a first capacitor and a second capacitor serially connected between output terminals to a load, and a charging unit that selectively charges one or both of the first capacitor and the second capacitor. A ratio, to a period obtained by combining a charging period and a non-charging period of a pair of the first capacitor and the second capacitor, of the non-charging period, is controlled according to an operating condition of the load, to change a charging frequency of the first capacitor and the second capacitor based on the ratio, at the time of controlling an output voltage to the load.

Abstract: A motor control circuit is disclosed, which uses one hall sensor to sense the position of the magnetic poles of three-phase motor, and to execute phase switching mechanism by start controller and operation controller. The motor control circuit drives the three-phase motor from a start state to a normal operation state. In the start state, the start controller controls the switching time and controls storage to transmit the digital models of the phase switching to the operation controller. The operation controller executes the phase switching of the full-bridge circuit according to the received digital models, to drive the three-phase motor. In the normal operation state, the start controller stops transmitting the digital models of the phase switching to the operation controller. The operation controller captures six digital models in sequence once every switching time, and executes the phase switching of the full-bridge circuit, to drive the three-phase motor.

Abstract: A method for protecting a permanent magnet generator of a wind turbine with a multiphase generator, and n number of isolated converters, the multiphase generator including a rotor carrying permanent magnets and n number of independent multiphase sub-stators comprising a plurality of windings, each converter being connected to an independent multiphase sub-stator and configured to control the plurality of windings of the multiphase sub-stator comprises determining an asymmetrical short circuit current in one of the sub-stators, which generates a first oscillating torque, disconnecting the converter linked to the sub-stator with an asymmetrically short circuited group of windings, and injecting an asymmetrical current with the remaining connected converters, wherein said injected asymmetrical current generates a second oscillating torque that is substantially opposed in phase to the first oscillating torque so that the first oscillating torque is at least partly compensated is disclosed.