Abstract: A power tool operator protection system comprises a plurality of wearable position sensors configured to be worn by an operator of a handheld power tool; a power tool position sensor configured to detect the position of a handheld power tool; and processing equipment configured to generate a model of the operator based on the mutual positions of the respective wearable sensors relative to each other, the mutual positions defining the operator's posture; associate each of a plurality of limbs (32a-g) of the operator with a respective protection volume (30a-g); and based on the position and/or motion of the power tool in relation to the protection volume (30a-g) indicating an imminent danger that the working implement enters a protection volume (30a-g), generate a protection signal.

Abstract: An EMF shield is disclosed. The EMF shield includes a scattering layer and a reflective layer having an exterior surface and an interior surface opposite the exterior surface. The scattering layer includes a metal coating disposed at the exterior surface. The reflective layer includes a first side and a second side opposite the first side, the first side of the reflective layer being coupled to the interior surface of the scattering layer, wherein the reflective layer comprises a dielectric material. The metal coating includes an adhesive coating for coupling to an electronic device. The EMF shield is configured to scatter and reflect the EMF signal. After the EMF signal is initially scattered by the metal coating, the reflective layer causes the EMF signal to reflect.

Abstract: A technique is directed to methods and systems for detecting the presence of a machine operator. In some implementations, an operator presence system monitors a machine to determine whether an operator is present in an operating machine. The operator presence system collects input data from sensors or devices on the machine and determines whether the operator is in the operator seat. During operation, if an operator is determined to not be in the operator seat, the operator presence system can generate and send notifications (e.g., visual or audible warnings) to alert the operator to sit in the operator seat.

Abstract: A method for a fault ride through testing of an electrical system including one or more power sources, one or more power consumers, and a first protective-isolation device and a second protective-isolation device both disposed between the one or more power sources and the one or more power consumers is disclosed. The method includes prior to the fault ride through testing, opening the second protective-isolation device, and closing the first protective-isolation device, and during the fault ride through testing, opening both the first and second protective-isolation devices to block current flow between the one or more power sources and the one or more power consumers. The method also includes during the fault ride through testing, decreasing a terminal voltage of the one or more power sources using a voltage regulator, and following the fault ride through testing, opening the first protective-isolation device, and closing the second protective-isolation device.

Abstract: A frunk latch emergency opening structure includes: a base configured to be fixed to a vehicle body; a pawl provided on the base so as to be rotatable; a first cable connected to one end of the pawl and configured such that tension is applied to the first cable by operating a vehicle inside handle; an emergency lever configured to be rotatable in an interlocking manner with the pawl at one end of the emergency lever; a second cable connected to another end of the emergency lever and configured such that tension is applied to the second cable by operating a frunk inside handle; and a safety hook configured to be coupled to the base so as to be rotatable and to move due to operation of a front outside lever.

Abstract: An improved system and method for providing safety-rated operation of a motor and motor drive controlling operation of a load with stored potential energy includes a two-channel method of monitoring and retaining control of the load. A first safety channel is configured to control operation of a holding brake, which provides sufficient holding force to retain the stored potential energy in the load. A second safety channel is configured to independently enable and disable torque production from the motor drive controlling operation of the motor. When torque production from the motor drive is enabled, the motor drive and motor are able to provide sufficient torque to retain the stored potential energy in the load. Monitoring and subsequent control of each safety channel is provided to ensure that a single failure in either channel will not cause the unexpected release of the stored potential energy from the load.

Abstract: A wireless powering device for providing directional wireless power to a target device. The wireless powering device includes a power source and communication circuitry configured to receive a communication signal from the target device. The wireless powering device further includes source power manager circuitry configured to determine (e.g., based on the communication signal) a location of the target device relative to the wireless powering device. Resonant coupling circuitry is coupled to the power source and the source power manager circuitry, the resonant coupling circuitry configured to generate a directional wireless power transmission, based on the location of the target device, to transfer wireless power to the target device. In an embodiment, the directional wireless power transmission is via non-radiated magnetic field. In another embodiment, the direction wireless power transmission is via a radiated magnetic field.

Abstract: A Light Emitting Diode, LED, based lighting device arranged for connection to an Alternating Current, AC, mains supply, comprising a zero-crossing detection module arranged for detecting a zero-crossing in an AC voltage supplied by said AC mains supply, a detection pulse module arranged for providing a detection pulse based on said detected zero-crossing, a human body detection module arranged for determining a current drawn from said AC mains supply during said provided detection pulse, and for determining presence of a human body based on said determined current, wherein said detection pulse module is arranged for providing said detection pulse during a rising, positive, edge of said AC voltage.

Abstract: A method for unlocking a hood of a vehicle in which a latch and a safety catch are arranged for engaging a striker and a locking member is arranged for engaging the safety catch. The method includes displacing the safety catch if a predetermined vehicle condition is fulfilled from a closed state wherein the safety catch is in locking engagement with the striker to an open state where the safety catch is disengaged from the striker for moving the hood locking mechanism from the intermediate locked mode to an open mode.

Abstract: The present disclosure provides a centralized charging cabinet, including: a charging cabinet, provided with an isolation area and a charging area therein; an isolation transformer, provided in the isolation area; and at least one charging unit, provided in the charging area, where each of the charging unit is electrically connected to a secondary winding of the isolation transformer through a plurality of first connection structures, and the plurality of first connection structures are located at a back region of the charging area. In the centralized charging cabinet, the isolation transformer is provided in the isolation area inside the charging cabinet, the charging unit is provided in the charging area inside the charging cabinet, which realizes a centralized layout of the isolation transformer and the charging unit and improves the space utilization.

Abstract: A system and an operating method for automated wafer carrier handling are provided. The system includes a storage rack including a standby position and a storage position separated from each other, a first and second moving mechanism, and a controller operatively coupled to the first and second moving mechanism to control operations of the first and second moving mechanism. The storage position is for buffering a wafer carrier awaiting transfer to a load port. The first moving mechanism is movably coupled to the storage rack and provides at least one degree of freedom of movement to transfer the wafer carrier from the storage position to the standby position. The second moving mechanism is disposed over the storage rack, operatively coupled the storage rack to the load port, and provides at least one degree of freedom of movement to transfer the wafer carrier from the standby position to the load port.

Abstract: Various aspects of the present disclosure are directed to a system for increasing the protection against electric shocks of a person working in proximity to an electrical system. In one example embodiment, the system includes a plurality of first radio terminals, via each of which a radio link for receiving an emergency signal can be established. The system further including a protective device to be worn by the person and for detecting an electrical body current. The protective device including a second radio terminal that, in the event that an unacceptable body current is detected, outputs and transmits an emergency signal via a radio link established between one of the first plurality of radio terminals and the second radio terminal.

Abstract: A rapid shutdown device capable of driving two MOSFETs connected in series through single drive signal, which includes a switch S1, a switch S2, a control IC and a drive circuit. The PV+ terminal of the photovoltaic module is connected to an output terminal OUT+ through the switch S1 and the switch S2 connected in series in sequence. The PV? terminal of the photovoltaic module is connected to an output terminal OUT?. The control IC, the switch S1 and the switch S2 are connected with the drive circuit respectively, and the two signal terminals of the control IC control the on-off of switch S1 and switch S2 through the drive circuit. The invention adopts two switches connected in series for on-off operation, greatly improving the shutoff reliability and safety of the photovoltaic power generation system.

Abstract: The disclosure relates to a modular safety switching apparatus for controlling a plurality of electrical devices, comprising: a first safety switching module comprising a first switching signal output configured to control a first electrical device; a second safety switching module comprising a second switching signal output configured to control a second electrical device; and a connection element configured to electrically connect the first safety switching module to the second safety switching module; wherein the second safety switching module is downstream in signal transmission to the first safety switching module, and wherein the first safety switching module is configured to be deactivated in response to receiving a first control signal and is further configured to feed a second control signal to the second safety switching module to deactivate the second safety switching module.

Abstract: Disclosed are a control device for a power tool and a power tool provided with the control device. The control device includes an operation control interface which is provided with a manually operated controller; an impedance-measuring safety interface, wherein the impedance-measuring interface includes a first manual contact electrode and a second manual contact electrode which are electrically isolated from each other, and wherein the manual contact electrodes are provided on the controller and extend over a manual bearing surface of the controller. The device is suitable for controlling and ensuring the safe use of power tools, especially electrical tools, such as pruning shears.

Abstract: An electronic device includes a housing including a first plate facing a first direction, a second plate facing a second direction opposite to the first direction, and a side member disposed in at least part of a peripheral region between the first plate and the second plate, a touch screen display having at least a portion exposed through the first plate of the housing, a fingerprint sensor disposed in a lower portion of the touch screen display, and a cover case that is coupled or integrated with at least part of the housing and that opens or closes the first plate of the housing. An air gap is formed between a first region of the touch screen display that corresponds to the fingerprint sensor and a second region of the cover case that faces at least the first region, with the cover case closing the first plate of the housing.

Abstract: An on-board electric compressor that comprises: a housing; a compression unit; an electric motor; and an inverter device. The inverter device comprises: an inverter circuit that converts direct current power to alternating current power; and a noise reduction unit that is provided on an input side of the inverter circuit and that reduces common mode noise and normal mode noise that are included in the direct current power. The noise reduction unit comprises: a common mode choke coil; and a smoothing capacitor that, in cooperation with the common mode choke coil, constitutes a low pass filter circuit. The common mode choke coil has: a core that has a first core part and a second core part; a first winding that is wound around the first core part; and a second winding that is wound around the second core part.

Abstract: A safety system having a safety switch for monitoring a safe protective equipment status of movable protective equipment, having a base housing that comprises at least two part members that can be positioned with respect to one another, wherein a signal receiver is provided in one part member and a signal transmitter is provided in the other part member so that a safe state of the protective equipment is detectable by means of a control and evaluation unit, and having an interlocking device having an electromagnet and a retaining plate that is disposed opposite the electromagnet for locking or unlocking the protective equipment, wherein the control and evaluation unit is configured to unlock or lock the interlocking unit after checking and verifying the signal receiver, wherein a coil of the electromagnet forms a resonant circuit with the capacitor, with the control and evaluation unit being configured to control the resonant circuit cyclically by at least one pulse signal, and with the control and evaluation

Abstract: A safety switching device for the fail-safe disconnection of an external consumer has an internal consumer and switching elements for connecting in parallel the internal consumer with the external consumer. Read-back taps are arranged between the switching elements, a first and second pole of the external consumer, and the internal consumer. A signal processing unit includes a testing device and a memory, in which a first error pattern set is stored. The testing device is coupled to the read-back taps and executes a switching test having a minimum of three temporally-separated test intervals. In each test interval, the testing device receives a read-back signal from each read-back tap in order to generate a first test pattern. To identify a fault, the testing device matches the first test pattern with the first error pattern set.

Abstract: Systems and methods for detecting underground voids, comprising steps of: digging a tunnel to be the detection path; placing fluid dispensing means along the bottom part of the tunnel wherein said dispensing means further equipped with fluid pressure sensing means; partially sealing the tunnel as to allow a reasonable portion of the fluids dispensed from said fluid dispensing means to travel downwards, deeper into the ground; providing remote device in data or mechanical communication with said sensing means; on initial activation, allowing pressured fluid to be dispensed from said dispensing means until predefined constant pressure threshold in the system is met; maintaining predefined constant pressure range in the system by constantly or periodically dispensing fluid via said dispensing means; constantly or periodically monitoring said pressure sensing mean; and upon detection of abnormal low pressure in the system activating alert means.

Abstract: A tattoo machine control system comprises a holding arrangement (1) for storing tattoo needle cartridges (3) for the moment not attached to a tattoo machine and a tattoo machine controller configured to 5 control a tattoo machine based on a tattoo machine setting. The holding arrangement (1) has a plurality of slots, each slot (13) being arranged for receiving a respective tattoo needle cartridge (3). The system is configured to maintain an association of a tattoo machine setting for said tattoo machine with a slot (13) 10 of said plurality of slots. The tattooing process is made more efficient.

Abstract: To monitor individual safety components or to supply individual operation instructions to corresponding safety components. A connector includes a component-side terminal group used for connection to a corresponding safety component, a downstream-side terminal group used for connection to the downstream side and an upstream-side terminal group used for connection to the upstream side. The downstream-side terminal group includes a downstream-side main information terminal connected to the component-side main information terminal and a downstream-side other terminal different from the downstream-side main information terminal. The upstream-side terminal group includes an upstream-side information terminal capable of being connected to a downstream-side main information terminal of a connector member on the upstream side.

Abstract: A method for interrupt based pairing for wireless audio devices includes determining a colocation of a wireless audio device with a subsequent wireless audio device with one or more sensors. An interrupt is generated in response to determining the colocation. A pairing mode of the wireless audio device is enabled in response to the interrupt. The wireless audio device is paired with the subsequent wireless audio device.

Abstract: A barcode reader system includes a barcode reader, a docking station, and a magnet. The barcode reader includes a housing and a first mating structure connected to the housing. The docking station includes a second mating structure to mate with the first mating structure. The second mating structure and the first mating structure are capable of forming a coupling between the barcode reader and the docking station. The magnet produces magnetic forces that strengthen the coupling between the barcode reader and the docking station. The docking station may include the magnet. The barcode reader may include a magnetic field detector and may enter a presentation mode in response to the magnetic field detector detecting a magnetic field.

Abstract: A selector is provided for configuring field devices in a control system. A set of pins is connected to the field device. The field device configuration can be changed by interconnecting different pins in the pin set. Multiple pin selectors are provided with different arrangements of connectors for interconnecting the pins. Thus, the field device may be easily configured by connecting a particular pin selector onto the pins that matches the desired configuration.

Abstract: A power tool including a power supply interface, a motor control circuit configured to regulate supply of power from the power supply interface to a motor, and an input unit actuatable by a user. A no-volt prevention circuit receives a first voltage signal from the power supply interface and a second voltage signal from the input unit. The no-volt protection circuit includes a main semiconductor switch arranged on a current path from the power supply interface to at least one component of the motor control circuit, and a resistor-capacitor circuit to turn the main semiconductor switch ON when the input unit is actuated after the power supply interface is coupled to the power supply, but not when the input unit is actuated before to the power supply interface is coupled to the power supply.

Abstract: A biometrics hub may establish a first schedule for processing first biometric data of a user, establishing a second schedule for processing second biometric data of the user, storing the first biometric data that is received from a first biometric device via a first persistent session, and store the second biometric data that is received from a second biometric device via a second persistent session. The biometrics hub may further transmit at least one of the first biometric data or the second biometric data to an authorized remote device in accordance with the first schedule or the second schedule. In one example, the transmitting includes establishing a session with the authorized remote device, sending the at least one of the first biometric data or the second biometric data to the authorized remote device via the session with the authorized remote device, and closing the session with the authorized remote device.

Abstract: A safety switch (1) having an input/output structure and means for generating a switching signal. Depending on the switching signal, the operation of the system can be released. The input/output structure forms means of connection for connecting a start button (5). By manually actuating the start button (5), an acknowledgment signal for releasing the system is generated. The means of connection are detected automatically in the safety switch (1).

Abstract: One embodiment of the invention disclosed herein provides techniques for assisting with performing a task within a smart workspace environment. A smart workspace system includes a memory that includes a workspace management application. The smart workspace system further includes a processor that is coupled to the memory and, upon executing the workspace management application, is configured to perform various steps. The processor detects that a first step included in a plurality of steps associated with a task is being performed. The processor displays one or more information panels associated with performing the current step. The processor further communicates with augmented safety glasses, augmented tools, and an augmented toolkit to safely and efficiently through a series of steps to complete the task.

Abstract: An onboard robust and stable vision-inertial navigation system that makes an unmanned vehicle autonomous in its navigation capabilities in the absence of external navigation aids like a global positioning system (GPS). The system is robust to the sensor noise properties of the onboard vision and inertial sensors, as well as errors in initial estimates of the position and orientation of the vehicle. The system enables any unmanned vehicle to autonomously navigate an unfamiliar or unknown environment. The system is also stable and robust to uncertainties in the measurement noise and dynamics of the unmanned vehicle, and does not exhibit any instability when sensors are changed or when sensor noise properties change over time.

Abstract: The method and a device are for protecting persons and stationary or autonomously moving obstacles in front of stationary or autonomously moving handling apparatuses such as manufacturing, transport, inspection or service robots and their manipulators from collisions within their workspace by pressure sensors in protective covers filled with medium in such a manner that the medium is not supplied to each individual protective element from outside, but the protective elements in their interior, in addition to a pressure sensor, also comprise a pressure-increasing device, which sucks in the medium, preferably ambient air, and generates a pressure in the interior of the protective element, which is adjustable from a control device.

Abstract: An electronic device is provided that includes a housing and a power receiver disposed within the housing. The power receiver includes a conductive pattern for receiving power wirelessly. The conductive pattern includes a main coil having a plurality of turns, a first sub-coil formed at an input port of the main coil, and a second sub-coil formed at an output port of the main coil. The electronic device also includes a controller configured to control to receive power using the conductive pattern.

Abstract: A safety switching device for fail-safely disconnecting an electrical load has an input part for receiving a safety-relevant input signal, a logic part for processing the at least one safety-relevant input signal, and an output part. The output part has a relay coil and four relay contacts. The first and second relay contacts are arranged electrically in series with one another. The third and fourth relay contacts are also arranged electrically in series with one another. The first and the third relay contacts are mechanically coupled to each other and form a first group of positively driven relay contacts. The second and the fourth relay contacts are mechanically coupled to each other and form a second group of positively driven relay contacts. The logic part redundantly controls the first and the second groups of positively driven relay contacts to selectively allow, or to interrupt in a fail-safe manner, a current flow to the electrical load, depending on the safety-relevant input signal.

Abstract: A robot shares a work space with a person, to perform an operation. The robot includes a shock-absorbing member which covers the periphery of at least a base part of a working tool attached to an robot arm, a detector which is provided for the robot arm, to detect an external force input via the shock-absorbing member, and a robot control device which stops the robot when determining, based on information of the detected external force, that the working tool collides with the person. The external force is transmitted from the working tool to the robot arm, and is detected by the detector.

Abstract: In an injection molding system, a holding force changing means reduces a holding force to a predetermined level or less if a predetermined or higher load is detected by an external load detection means after a molded article is transported to a work area of an operator by a molded article transport device. Thus, the operator can easily take out and inspect the molded article.

Abstract: The invention comprises a safety system comprising a vehicle identifier (10) arranged to a moving vehicle or work machine (1) and capable of radio communication and, arranged in an operating connection therewith, an alarm unit (20), and a personal identifier (30, 30a) arranged in connection with the moving unit and capable of radio communication, the personal identifier (30, 30a) comprising an alerting device for warning of vehicles or work machines in the area. In addition, said alarm unit (20) comprises warning equipment for warning of units moving in the area. The vehicle identifier and/or the personal identifier of the safety system are configured to determine a distance between the vehicle identifier and the personal identifier on the basis of at least one signal transmitted between the vehicle identifier and the personal identifier.

Abstract: A shock detector having an electrical detector having a set of water immersible electrodes for detecting hazardous water conditions through the determination of the presence of either an electrical current in a body of water, a voltage in the body of water or a voltage gradient in the body of water and then providing an alert to the existence of hazardous electrical conditions in the body of water which in some cases is transmitted to a power source to shut off a power source thereby removing the hazardous water condition.

Abstract: A controller is configured to operate a robot arm at a speed that is equal to or lower than a first maximum speed in a high-speed operation region, and operate the robot arm at a speed that is equal to or lower than a second maximum speed lower than the first maximum speed in a low-speed operation region, and change a collision detection sensitivity between the high-speed operation region and the low-speed operation region so that the collision detection sensitivity in the high-speed operation region becomes lower than the collision detection sensitivity in the low-speed operation region.

Abstract: An image processing apparatus, including an image processing unit, a controller, a power source, and a USB interface with a connector and a current detector, is provided. The controller starts delivering power to an external device through the USB interface by controlling the power source in a case where connection with the external device is detected, and, in a case where a job requiring the image processing unit to process an images is received, and in a case where a difference between a smallest value and a largest value among current values detected by the current detector within a predetermined length of time while the power is delivered to the external device exceeds a threshold value, the controller commands the USB interface to restrict power delivery to the external device.

Abstract: In one example, a circuit includes a switching unit including a first node, a second node, a control node, and a body. The switching unit is configured to selectively couple the first node of the switching unit to the second node of the switching unit in response to receiving a control signal at a control input of the switching unit. The circuit further includes a reverse current protection unit configured to reduce a current flow from the second node of the switching unit to the first node of the switching unit. The reverse current protection unit selectively couples the first node of the switching unit and the body of the switching unit and selectively couples the second node of the switching unit to the body of the switching unit.

Abstract: A method begins by a processing module identifying a geographic area of an adverse condition and identifying a user device of a plurality of user devices potentially associated with the identified geographic area. The method continues with the processing module issuing a safety notification to the user device, where the safety notification includes one or more of the identified geographic area and a safety status request. The method continues with the processing module receiving, from the user device, a safety status response, where the safety status response includes location information associated with a safe location. The method continues with the processing module indicating the location information to at least some of the plurality of user devices.

Abstract: A method and system for safely switching off an electrical load in a system comprising a multi-channel control unit, a single-channel data transmission path and an output unit having a first processing unit, a second processing unit and safe outputs. The method comprises receiving and evaluating an input signal by the multi-channel control unit and generating an enable signal based on the evaluation; transmitting the enable signal to the output unit via the single-channel data transmission path; receiving the enable signal by the first processing unit and generating an output signal based on the enable signal; providing at least one part of the enable signal from the first processing unit to the second processing unit for evaluation therewith; generating a dynamic clock signal by the second processing unit based on the enable signal; and controlling the safe outputs based on the output signal and the dynamic clock signal.

Abstract: A system for increasing safety during robot-human collaborations in a manufacturing environment is provided. The method includes at least one wearable device for use by a human worker and an industrial robot in operative communication with the at least one wearable device. The industrial robot is equipped to detect location of the human worker using the at least one wearable device. The at least one wearable device may include an earpiece. The at least one wearable device may include a set of earpieces including a left wearable earpiece and a right wearable earpiece.

Abstract: A safety device includes: a tool which performs a predetermined operation through an operation of an actuator; a mounting tool worn by a user operating the tool; a transmission unit which is provided in one of the tool or the mounting tool, and transmits a wireless signal in which a transmission direction is set to have high directional characteristic with respect to a certain direction; a reception unit which is provided in the other of the tool or the mounting tool, and receives the wireless signal transmitted by the transmission unit; and a controller which controls the tool on a condition that the reception unit recognizes the wireless signal.

Abstract: A device for supplying electric power includes a rectifier, an adaptive voltage clamping circuit, and a DC-DC voltage regulator. The rectifier receives electrical power, and is electrically connected to an input line of the adaptive voltage clamping circuit. The adaptive voltage clamping circuit includes a power transistor, a voltage feedback circuit, and a controller. The DC-DC voltage regulator is electrically connected to the adaptive voltage clamping circuit and, in one embodiment an actuator. The controller monitors the voltage feedback circuit and controls the power transistor to a fully open state to transfer electric power to the DC-DC voltage regulator when the voltage level supplied to the DC-DC voltage regulator is less than a threshold. The controller controls the power transistor in a linear state to regulate the voltage transferred to the DC-DC voltage regulator when the voltage level supplied to the DC-DC voltage regulator is greater than the threshold.

Abstract: The present invention relates to electric equipment technology, and more particularly to an electric structure used in various devices of electric equipment. The electrode structure body with electric-shock prevention function is connected to a power transmission and distribution path to electric equipment. The electrode structure body with electric-shock prevention function prevents electric shock when the electric equipment connected to the electrode structure body or other equipment electrically connected thereto at a near place is submerged.

Abstract: A tracking device and a method of tracking are provided. The tracking device includes a first location tracking circuit, a second location tracking circuit, at least one biometric identification circuit, a data storage device, and a processor. The first location tracking circuit is configured to wirelessly communicate with at least one wireless location system and to generate at least one first signal indicative of a location of the tracking device using wireless communications with the at least one wireless location system. The second location tracking circuit is configured to wirelessly communicate with at least one wireless local-area network and to generate at least one second signal indicative of the location using wireless communications with the at least one wireless local-area network. The at least one biometric identification circuit is configured to detect at least one biometric characteristic of a user.

Abstract: A housing is provided having a leak detection tube in liquid communication with the inside of the housing. The housing is adapted to be affixed to a wall surface of a swimming pool over a suspected leak area below the surface of the water by a lockable connector mounted on the housing. A suitable dye substance then is inserted into the distal top or free end of the leak detection tube while the latter is positioned just below the surface of the swimming pool water by a leak specialist positioned on the deck or beam of the pool. A light fixture may be mounted in the wall surface and the aforementioned leakage test conducted to determine water leaks in the niche containing the light fixture.

Abstract: An apparatus comprises a holding unit configured to hold data related to a worker; an obtaining unit configured to obtain measurement data for recognizing the worker; a recognizing unit configured to recognize the worker based on the data related to the worker and the measurement data; a determination unit configured to determine work information about a work which the worker and a robot perform on a target object together, corresponding to the recognized worker, based on a physical feature of the recognized worker; and a controlling unit configured to control the robot based on the work information so that the worker and the robot perform a work on the target object together.

Abstract: A safety switching device for fail-safely switching on and off an electrical load, and to a system comprising at least two safety switching devices which interact in a fail-safe manner via a single-channel. The safety switching device comprises a fail-safe control unit, a first and a second electronic switching element connected with a first and a second output terminal; and at least one input terminal for receiving a first switching signal that causes a switching of said switching elements. Said first and second switching elements each comprise an output which provides depending on the first switching signal an output signal having a first or second potential. A third output terminal connects said safety switching device to a second safety switching device, providing a clocked signal depending on the first switching signal and being monitored by said control unit for performing a cross fault detection.