Abstract: A control apparatus for an opening/closing member of vehicle includes a driving member for moving an opening/closing member for a vehicle, speed detecting means for detecting a drive speed of the driving member and control means for calculating a current speed difference between the drive speed of the driving member and a target drive speed, for calculating a current change amount between the calculated current speed difference and a previous speed difference calculated a predetermined time before, for calculating a current deviation by integrating the current change amount and for detecting an entrapment of an object by comparing the calculated deviation to a predetermined threshold.

Abstract: The invention broadly contemplates a safety arrangement that transitions a moving component, for example a cooling fan housed within a chassis of an electronic device, between a first operating mode or condition and a second operating mode or condition. The first operating mode is a normal operating mode, allowing the component (fan) to operate (rotate) at full speed. The second operating mode is a safety or service mode, allowing the component (fan) to operate (rotate) at a reduced speed such that it is compliant with applicable safety regulations.

Abstract: The present disclosure relates to a sensor unit for the position determination of a powered door having a position sensor and a transmission stage for the connection of the position sensor to the drive shaft of the door, with the sensor unit having its own housing so that it can be installed independently of the drive unit of the door.

Abstract: In order to reliably detect a jamming situation, in particular in a seat adjusting means, provision is made for a total loading exerted by the drive during a start phase to be determined and for this to be fixed as the basic loading. The existence or non-existence of a jamming situation is finally determined during a monitoring phase by comparing the basic loading and the total loading that varies during operation of the adjusting apparatus.

Abstract: A wiper control circuit is provided for invalidating the state of a wiper operation switch to suppress unnecessary operations of a wiper in an automotive vehicle upon starting an engine using a remote control engine starter. The wiper control circuit is configured to suppress generation of a sneak current and thereby reduce the likelihood that an erroneous operation instruction is received.

Abstract: A raindrop detecting device for detecting a raindrop amount on a windshield of a vehicle and selecting a wiping mode of a wiper based on the detected raindrop amount includes a controller for lowering the wiping mode when the detected raindrop amount is kept to be smaller than a mode-keep threshold while the wiper performs a predetermined number of wiping operations. The controller changes the predetermined number of wiping operations based on at least one of a sensitivity data of a user of the vehicle and a rainfall block data relative to the vehicle.

Abstract: A controller for controlling a sliding roof sets, as an operating area, a predetermined range in the sunroof slidable range and controls a motor driving the sliding roof such that the sliding roof slides in the operating area. When the sliding roof stops near a sliding lock end, the stop position is stored on an assumption that the positional deviation would occur. The sliding roof slides again from the stop position. Based on whether a traveling distance from the stop position to the sliding roof comes into contact with the tilt lock end is longer than the sunroof slidable range, the positional deviation is determined. It is possible to accurately determine whether the sliding member is locked and stopped by positional deviation or the intrusion of foreign object.

Abstract: An electronic apparatus includes: a timer member that clocks time on the basis of the power supplied from a power source. A power supply member supplies the power to an electric motor of the electronic apparatus and to the timer member from the power source and interrupts the power supply thereto. A heat storage calculating member calculates heat storage of the electric motor and calculates heat storage of the electric motor after stop of the drive on the basis of the time clocked by the timer member. A controller controls the electric motor and controls the power supply member by initiating power-on and power-off operations. This is performed so as to, maintain the power supply to the timer member and the heat storage calculating member during a predetermined time, even after the power-off operation of the operation member.

Abstract: A method of controlling an operation of an induction actuated container cover includes the steps of (a) normally retaining a cover panel of the container cover in a closed position; (b) detecting a target movement of a user by a sensor; (c) generating a first actuating signal to an actuation unit when the sensor detects the target movement of the user; (d) generating an actuation output from the actuation unit to the cover panel of the container cover, wherein the actuation output contains a decelerating and torque enhancing force which moves the cover panel of the container cover at an opened position; (e) pivotally actuating the cover panel of the container cover at the opened position via the actuation output to expose a storage cavity, and (f) generating a second actuating signal to pivotally actuate the cover panel of the container cover back to the closed position.

Abstract: A display apparatus includes a base, a display screen part supported on the base turnably, a driving part for turning the display screen part in accordance with an inputted control signal, a turning prevention mechanism for preventing turning of the display screen part, a judgment part for judging on the basis of the inputted control signal whether the display apparatus is operated or not, and a controller for producing a signal for operating the turning prevention mechanism to prevent turning of the display screen part when it is judged that there is no operation to the display screen part and producing a signal for releasing operation of the turning prevention mechanism when it is judged that there is operation to the display screen part.

Abstract: Modular soft starters are disclosed having a plurality of soft starter modules with stacked SCRs and heat sinks for accommodating a single phase of a three phase motor, where the modules may be connected serially for starting each phase of a higher voltage motor, and where the modules can be mounted in a cabinet in a variety of different orientations to facilitate optimized cabinet space utilization.

Abstract: The PWM control circuit is provided. The PWM control circuit includes: a PWM control signal generator that generates a PWM period signal defining a period of a PWM signal and a PWM resolution signal specifying a resolution in one period of the PWM period signal; and a PWM unit that generates the PWM signal based on the PWM period signal and the PWM resolution signal, wherein the PWM control signal generator changes a frequency of the PWM resolution signal while keeping a frequency of the PWM period signal unchanged.

Abstract: If a washer switch is turned on in a state in which a wiper determining portion determines that a wiper switch is in an OFF state, and a vehicle speed determining portion determines that a vehicle speed is equal to or more than a predetermined speed, a simultaneous operation control portion ejects the washer fluid in a state in which the wiper is positioned at a lower reversing position. The simultaneous operation control portion causes the wiper to reciprocate at least once simultaneously with the ejection. The simultaneous operation control portion additionally ejects the washer fluid at least once, in a state in which the wiper is positioned at an intermediate position between the lower reversing position and an upper reversing position. Accordingly, it is possible to inhibit a lack of the washer fluid from being generated on the surface to be wiped.

Abstract: A heat dissipation device has a main controller and a fan module having a motor coil, a connection interface, a PWM driving circuit and a fan monitor chip. The connection interface has a control pin, an error report pin, a power supply pin and a ground pin. The control pin receiving a control signal. The PWM driving circuit adjusts current magnitude and current direction of the motor coil to drive the fan module. The fan monitor chip is connected to the connection interface and the PWM driving circuit, receives the control signal, generates and sends PWM signals to the PWM driving circuit according to the control signal and sends an acknowledgement signal via the control pin after receiving the control signal. The main controller can check if the control signal is correctly received based on the acknowledge signal.

Abstract: A motor driving apparatus including inverter apparatuses, inverter control circuits, and a plurality of inverter control apparatuses for performing variable-speed driving of a single motor, breakers each of which being provided between each inverter apparatus and the motor, the inverter control circuits being connected in parallel to each other. Here, a motor rotation frequency/phase detection circuit of each inverter control circuit is set up on a closer side to the motor than the breakers, then frequency and phase of a terminal voltage at the motor are detected and inputted into failure-time input frequency/phase setting circuits regardless of close/open of each breaker. This feature allows computation by the failure-time input frequency/phase setting circuits to be carried out at all times, thereby making it possible to shorten a computation time needed for computing inverter-apparatus start frequency/phase.

Abstract: The invention relates to an operating method for a roller shutter comprising an actuator which is used to move the shutter and which consists of: a motor, an electronic control unit for powering the motor, and a control box which is connected to the electronic unit and which is equipped with at least one control key. The inventive operating method comprises at least one configuration mode, during which values that are associated with specific positions can be recorded. The invention is designed such that a roller shutter movement command only occurs after a key has been pressed during a period of time greater than a first period t1 if the device is not at least partially configured, but the pressing of a control key can be immediately interpreted as a command to move the mobile element if the device is at least partially configured.

Abstract: A control device controls opening/closing of a sliding door of a vehicle by a motor in cooperation with a drive device that opens and closes the sliding door, and applies proportional plus integral plus differential control to motor speed based on a driving pattern of the sliding door. When a difference between a door speed and a motor speed exceeds a threshold, the control device judges that the vehicle is parked in a tilted state, and adjusts a sum of a proportional element, an integral element, and a differential element of a proportional plus integral plus differential control to a vehicle-tilted time element.

Abstract: The invention relates to a motor arrangement (1) comprising a motor (4) on which a transmitter device (6) is arranged, a regulating device (2) which is spatially separated from the motor, communicates with the motor (4) via at least one motor line/connection line (10), and controls the movement of the motor, and at least one sensor device (8) which is arranged on the motor (4), detects at least one physical property of the motor, and emits a signal characterising said physical property, the transmitter device (6) being connected to the regulating device (2) via the connection line. According to the invention, there is a direct communication connection (9) between the sensor device (8) and the transmitter device (6), by which means the sensor device (8) transmits the characteristic signal directly to the transmitter device (6).

Abstract: An intermittent windshield wiper control device for use with antique or historical cars. The control device includes a user actuator mechanism, microprocessor circuitry, a potentiometer system, and a relay system. User movement of the actuator mechanism is translated to the potentiometer system to vary an output therefrom. The microprocessor circuitry acts in response to the potentiometer system output in controlling operation of a vehicle's wiper motor via the relay system.

Abstract: An accurate slip calculation for providing monitoring and protection to an electric motor. The slip calculation is made using a minimum value of stator resistance as the initial stator resistance, where the minimum value of stator resistance is the minimum value of stator resistance calculated during an initiation period of the motor. The initiation period may be a predetermined time period or a predetermined number of cycles during the motor startup. The initiation period may start after a predetermined settling time or after a predetermined condition is met.

Abstract: A controlling device includes a range switch mechanism, range switch operating means, operation frequency monitoring means, and heat generation limit controlling means. The range switch mechanism is adapted to change a shift range using a motor. Through the range switch operating means, an occupant inputs a required shift range. The motor is controlled in accordance with the required shift range such that the shift range is changed into the required shift range. The operation frequency monitoring means monitors an operation frequency of the range switch operating means. The heat generation limit controlling means switches a control of the motor to a heat generation limit control when the operation frequency of the range switch operating means exceeds a predetermined frequency.

Abstract: A wiper unit controller for performing wiping at an accurate intermittent wipe cycle. The controller stores a maximum resistance value of a variable resistor having a resistance value that varies in accordance with the intermittent wipe cycle. When a reference time elapses after calculating a resistance value that exceeds the stored maximum resistance value, a computer renews the maximum resistance value with a new maximum resistance value.

Abstract: Disclosed is a motor-driving device capable of protecting an inverter from breakdown. First current-protecting section retains reference voltage value Vref1 as a preset value. If the current to be fed into inverter exceeds value Vref1, first current-protecting section shuts off the output of driver and outputs a first warning to driving-signal generator to shut off generating driving signals. This protects inverter from breakdown. Second current-protection section retains reference voltage value Vref2 that is smaller than value Vref1. If the detected current exceeds value Vref2, second current-protecting section outputs a second warning. Receiving the second warning, driving-signal generator immediately stops generating driving signals; however, it resumes output of driving signals after no longer receiving second warning. The structure above protects inverter from breakdown without frequent stops of brushless motor.

Abstract: A motor driving device includes a brake mode control section for starting, when a brake instruction for a motor, braking of the motor in a reverse brake mode and then switching the reverse brake mode to a short brake mode; a cycle start detection section for receiving a rotation signal and detecting a start of a cycle of the rotation signal for each cycle; and a counter for performing, when the start of the cycle of the rotation signal is detected by the cycle start detection section, a count operation from an initial value. In the motor driving device, the brake mode control section detects that a value of the counter exceeds a threshold and performs switching from the reverse brake mode to the short brake mode with a delay from the detection.

Abstract: A washer controller controls a washer motor in accordance with a manipulation of a washer switch. A washer switch detector determines whether a manipulation of the washer switch is performed within a predetermined time period of a last manipulation of the washer switch. A spray time controller sets a spray time to a first set time when the manipulation of the washer switch is performed within the predetermined time period of the last manipulation, and to a second set time when the manipulation of the washer switch is performed after the predetermined time period, the second set time being greater than the first set time. A washer motor controller operates the washer motor for a time period corresponding to the spray time set by the spray time controller.

Abstract: In one embodiment, the present invention describes a gate closure system having a barrier or gate operator for moving a gate between a gate fully opened position and a gate fully closed position. The gate closure system preferably further includes, among other things, a master control board with input and output points to receive and transmit data associated with movement of the gate, including a panic control override mode circuit input to the master control board that negates all gate movement parameters during any portion of the gate's travel path to open or close the gate at a substantially greater rate of speed than typically used to open or close the gate during normal operation, regardless of the gate's speed, torque, direction of travel (forward or backward), or whether the gate is stationary.

Abstract: The open/close body drive device is capable of restarting a brushless motor, without using magnetic pole sensors, so as to securely drive an open/close body in an arbitrary direction when any of the magnetic pole sensors has failed. When a CPU (1) detects an abnormal logic as a detection pattern of the magnetic pole sensors (9), the CPU (1) determines that the sensor has failed and temporarily stops drive of a DC brushless motor (5), and a motor drive unit (4) generates a phase switching signal to prolong one of electric connection patterns for performing sensorless drive when restarting the DC brushless motor (5).

Abstract: A system controller is disclosed that includes a communication means for transmitting and receiving information from an installed blower motor controller, and a removable memory device connected to the system controller. The removable memory device includes system parameter information stored thereon that relates to the particular heating or cooling system, where the system parameter information includes at least motor related parameters relating to the operation of one or more types of blower motors. The system controller further includes a processor configured to receive via the communication means the communication of identifying information from the blower motor controller that identifies the type of blower motor installed in the system. The processor is configured to retrieve motor related parameters corresponding to the specific identified blower motor controller from the memory device, and to send said corresponding motor related parameters to the blower motor controller.

Abstract: Methods to detect when a human body contacts a predetermined portion of a machine are disclosed. The methods distinguish contact with a person from contact with other materials. The methods are particularly applicable in woodworking equipment such as table saws to distinguish contact between a person and the blade of the saw from contact between the blade and wet or green wood. The methods and woodworking equipment may include predictive blade stop algorithms that prevent unnecessary activations of a safety brake during coast down of a blade and continued protection in the event a main power switch is turned off.

Abstract: Circuit configurations for controlling an AC motor drive system wherein the control systems include redundancy features to compensate for possible failed system components.

Abstract: A method of using an externally powered HVAC system for an over-the-road motor coach includes coupling the HVAC system to an external shore power source at a temporary stop location for the over-the-road motor coach while the over-the-road motor coach is parked and vehicle engine is turned off; receiving electrical power from the electrical outlet to power the HVAC system; and using the HVAC system to circulate refrigerant for heating or cooling an interior cabin of the over-the-road motor coach and power HVAC fans to ventilate the interior cabin of the over-the-road motor coach.

Abstract: An operator system for moving a barrier between limit positions, includes an operator motor assembly mounted to the barrier, wherein the motor assembly is movable between an operating position and a locking position with the motor assembly blocking movement of the barrier. A bias assembly allows the motor assembly to move toward the locking position when either a predetermined force overcomes a biasing force, or when the barrier is moved to a closed position or when forced entry is imposed on the barrier. A modified blocker tab having a plurality of projections, and which is part of the motor assembly, allows the speed/angular position of the rotation of the motor assembly to be monitored with increased resolution.

Abstract: The invention relates to a temperature tripping device for reliably shutting down a load, especially a motor, having at least one input for receiving at least one temperature-dependent sensor signal as an input signal, a first evaluation circuit for generating a first output signal if the input signal reaches a preset value, and means for generating a trip signal if the output signal is generated. In addition, a second, redundant, evaluation channel is provided which is supplied with the same input signal as the first evaluation channel and which generates a second output signal if the input signal reaches the preset value, wherein the means for generating a trip signal are connected to the two evaluation channels and generate the trip signal if at least one of the two output signals is generated.

Abstract: The invention is a system for gearless operation of a movable barrier utilizing Lorentz forces, and in particular, a movable barrier operator retrofitted with a gearless motor capable of high torque at very low speeds. Eliminating a gear system in accordance with the present invention lowers maintenance requirements, increases efficiency, and streamlines operation of any movable barrier. By utilizing a motor which produces high-torque at low a speeds a system in accordance with the present invention does away with the need for complicated gears and pulley systems in order to achieve control of movable barriers. The present invention allows manufacturers, distributors and consumers to implement movable barrier systems with much more versatility and efficiency.

Abstract: An access system for a vehicle includes a gateway module that connects to the vehicle data bus, and an interface system coupled to the gateway module via a gateway bus. The interface system is also coupled to a ramp control subsystem that operates to stow and deploy a ramp for providing wheelchair access to the vehicle. A door control subsystem is coupled to the vehicle data bus and operates in response to data signals sent over the vehicle data bus. The gateway module is configured to relay signals relating to the status of the ramp from the gateway bus to the vehicle data bus to coordinate operation of the door and the ramp.

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: A powered lift gate for an automotive vehicle includes a lift gate door hinged to a vehicle body. A motor system which opens and closes the door is operated by a controller coupled to a primary obstacle detection system which senses operation of the motor itself, and by a secondary detection system which directly senses an object interposed between a margin of the door and the door opening panel. A pinch protection member interposed between a marginal zone of the door and the door opening panel includes a resilient element having sufficient strength to support an object positioned between the door and the door opening panel such that the primary obstacle detection system will be triggered when the door and motor develop a predetermined compressive force upon the object. The predetermined compressive force is selected to allow normal operation of the lift gate, without subjecting an obstructing object to excessive crushing force.

Abstract: A motor drive device (100) includes a boost converter (12) boosting a power supply voltage and outputting a boosted voltage; an inverter (14) receiving the boosted voltage from the boost converter (12) and driving a motor (M1); and a controller (30) giving a target value of the boosted voltage to the boost converter (12) and setting one of a rectangular-wave control and a non-rectangular-wave control as a control method of the inverter (14). The controller (30) is capable of selecting from a first operation mode for giving a first boosted target value and designating the non-rectangular-wave control as the control method and a second operation mode for giving a second boosted target value lower than the first boosted target value and designating the rectangular-wave control as the control method, in response to a same predetermined input signal indicating a torque request.

Abstract: A method of using an externally powered HVAC system for an over-the-road motor coach includes coupling the HVAC system to an external shore power source at a temporary stop location for the over-the-road motor coach while the over-the-road motor coach is parked and vehicle engine is turned off; receiving electrical power from the electrical outlet to power the HVAC system; and using the HVAC system to circulate refrigerant for heating or cooling an interior cabin of the over-the-road motor coach and power HVAC fans to ventilate the interior cabin of the over-the-road motor coach.

Abstract: A method and a control system for starting a motor (19), in particular a motor (19) for driving a compressor. The rotational speed (24) of the motor (19) is measured and compared to a minimum value. In the case that ?motor (24) is smaller than the minimum value after a predefined time interval has lapsed, the motor (19) is stopped, and the maximum current level to be supplied by the power source (18) is changed, preferably increased, before a new attempt to start the motor (19) is initiated. Preferably, the voltage (22) supplied to an electronic unit (21) is also measured, and in the case that it drops below a minimum voltage level, the motor (19) is stopped, and the maximum current level is changed, preferably decreased, before a new start attempt is initiated. It is possible to adjust the supplied current level in such a way that power is conserved while sufficient lubricated of the moving parts of the compressor is ensured.

Abstract: A method for starting a sensorless, electronically commutatable direct current motor, having a permanent-magnetically excited rotor in which the stator carries a three-phase stator winding, whose regulated supply of current from a direct voltage source is already made possible from the standstill state.

Abstract: The rotational speed of a motor is detected, and stored in a rotational speed memory. The difference between the present rotational speed output and each of plural past rotational speeds stored in the rotational speed memory is calculated in a plural difference calculator. Whether the difference between the present rotational speed and the most past rotational speed out of the plural differences is larger than a first threshold value is judged. Whether at least one of the differences is larger than a second threshold value is judged. The first and second threshold values are set to values for detecting that the rotational speed of the motor has a decelerating trend through the comparison with the differences concerned, and the first threshold value is set to be smaller than the second threshold value. When both judgments have positive judgment results, it is judged that rotation abnormality of the motor occurs.

Abstract: An object detecting apparatus includes: a piezoelectric sensor including a first electrode, a piezoelectric material surrounding the first electrode, and a second electrode surrounding the piezoelectric material and provided at an outer edge portion at a side of an opening of a door for a vehicle having a door panel; a signal processing circuit measuring a potential difference between the first electrode and the second electrode; and a connecting line connecting the first electrode and the second electrode to the signal processing circuit.

Abstract: A motor controller comprises an angular position module that determines an angular position of a disk. A spin-up module performs a spin-up of the disk. A ramp-up module ramps up a speed of the disk after the spin-up. A speed control module controls the speed of the disk based on a control program that is downloaded to the motor controller during a boot-up operation of a disk drive. The angular position module determines the angular position of the disk before handover of control to the control program.

Abstract: A wiper control system and method is disclosed. When an ignition-on switch is turned off while the wiper is being operated, a wiper motor is controlled to return to its home position. When a predetermined switch is operated for more than a predetermined period while the ignition-on switch is turned off, the wiper motor is operated until the operation of the predetermined switch is stopped. When a door lock signal is produced by a remote door controller after an ignition-on switch is turned off while a wiper is being operated, the wiper motor is controlled to return to its home position. When a door unlock signal is produced by a remote door controller while the ignition-on switch is turned off, the wiper motor is controlled to operate for a predetermined period and then to return to its home position.

Abstract: The sun roof drive device opens and closes a vehicle sun roof by a DC brushless motor, which is driven by rectangular waves when high torque is required at a low rotational speed and which is driven by sinusoidal waves or pseudo-sinusoidal waves when low noise is required.

Abstract: A method and a device capable of making fine-tune adjustments in the traveling limits of a movable barrier operator are disclosed. More particularly, an apparatus in accordance with the present invention comprises of a movable barrier operator for controlling a travel limit of a movable barrier comprises of an electrical component sending an input signal to a controller, a controller to derive an output signal from the input signal, and a motor to receive the output signal and modify the travel limit of the movable barrier. More specifically, said method and device can be used to make such fine-tune adjustments to modify an undesirable gap of a movable barrier in its fully closed or fully open positions.

Abstract: A motor control device includes at least one operating unit that is provided corresponding to at least one motor to operate the at least one motor, and a control unit that, each time at least one control cycle arrives in which the at least one motor is operated, sets a manipulated variable of the at least one motor to the at least one operating unit that operates the at least one motor of which the at least one control cycle arrives.

Abstract: Apparatus, and associated method, for controlling intermittent operation of a windshield wiper assembly. A user interface, formed of a pair of momentary contact switches, is used to set the repetition rate of intermittent operation of a wiper blade and, subsequently, when desired, to terminate the intermittent operation. A first of the switches is actuated two times, with the time period separating the actuations defining the repetition rate of the wiper blade when in the intermittent mode of operation.

Abstract: A system and method for actuating a moveable barrier operating system. A wireless time signal at a receiver. A time-of-day signal is supplied at the output of the receiver. The receiver is automatically reset using the wireless time signal when the time-of-day signal is different than the time represented by the wireless time signal. A moveable barrier is actuated using the time-of-day signal at the output of the receiver.