摘要:
An RF power supply, in particular a plasma supply device, for generating an output power greater than 500 W at an output frequency of at least 3 MHz includes at least one inverter connectable to a DC power supply, which inverter comprises at least one switching element and an output network. An accompanying line connects an electrical component to the inverter by a lead-in of the output network.
摘要:
One embodiment of the present invention sets forth a technique for providing an end user with a multiscale three-dimensional (3D) navigation experience in design software application programs. An adaptive multiscale 3D navigation system allows an end user to transition between a planetary scale down to an individual building scale. The end user may navigate within the building, inspecting object details within the building. The size of the environment is sensed automatically, and the viewing and travel parameters are adjusted accordingly to provide the end user with a seamless navigation experience. A consistent navigation experience is supported at various scales, and real-time collision detection is provided. Scale computation for 3D scenes and collision detection may be based on a generated depth cubemap of the environment.
摘要:
An RF power supply, in particular a plasma supply device, for generating an output power greater than 500 W at an output frequency of at least 3 MHz includes at least one inverter connectable to a DC power supply, which inverter comprises at least one switching element and an output network. An accompanying line connects an electrical component to the inverter by a lead-in of the output network.
摘要:
A plasma supply device generates an output power greater than 500 W at an essentially constant basic frequency greater than 3 MHz and powers a plasma process to which is supplied the generated output power, and from which reflected power is returned to the plasma supply device. The plasma supply device includes at least one inverter connected to a DC power supply, which inverter has at least one switching element, and an output network, wherein the at least one output network includes at least one inductance that has at least one magnetic field strengthening element that is a Perminvar ferrite.
摘要:
One embodiment of the present invention sets forth a technique for providing position pegs between objects and a three-dimensional reference grid that is displayed in design software application programs. The reference grid appears infinite in space and scale. A position peg that includes a stalk and base is drawn between each object and the reference grid. The stalk indicates the height of the object above or below the reference grid, and the base is positioned on the reference grid. An inside radius of the base indicates the distance between the object and the reference grid. The position pegs are independent of the viewing projection and allow an end user to sense how objects in workspace relate to each other in terms of position and scale. The reference grid and position pegs provide an end user with reference imagery for camera-operation visualization and scene content understanding.
摘要:
A system for controlling a power supplied to a load from a radio frequency amplifier system includes a radio frequency signal generator adapted for generating a radio frequency signal, an amplifier to which the radio frequency signal is supplied and that amplifies the radio frequency signal into a radio frequency power signal, a power coupler connected to the amplifying member for coupling the radio frequency power signals, where the power coupler includes a summing connection adapted for connection to the load and a compensating connection adapted for connection to a dissipative element. A first control value generating member is adapted for receiving a signal proportional to a power output from the power coupler at the summing connection and is adapted for generating a first control signal for controlling the amplifier or a current supply that supplies current to the amplifier. A second control value generating member is adapted for receiving a signal proportional to a power output from the power coupler at the compensating connection and is adapted for generating a second control signal for controlling the amplifier or the current supply.
摘要:
An amplifier arrangement for operation at supply voltages of at least 100V and at output powers of at least 1 kW includes a half-bridge formed from two switching elements connected in series, two supply voltage terminals, and an output connection between the switching elements. A bypass capacitor is in parallel with the switching elements, and a current path is through the switching elements and the bypass capacitor, where the current path has a length of 10 cm or less, the half-bridge and the bypass capacitor are arranged on an area of 30 cm2, and a resonant circuit formed by capacitances and inductances in the current path has a resonance frequency of 100 MHz or greater.
摘要:
A system for controlling a power supplied to a load from a radio frequency amplifier system includes a radio frequency signal generator adapted for generating a radio frequency signal, an amplifier to which the radio frequency signal is supplied and that amplifies the radio frequency signal into a radio frequency power signal, a power coupler connected to the amplifying member for coupling the radio frequency power signals, where the power coupler includes a summing connection adapted for connection to the load and a compensating connection adapted for connection to a dissipative element. A first control value generating member is adapted for receiving a signal proportional to a power output from the power coupler at the summing connection and is adapted for generating a first control signal for controlling the amplifier or a current supply that supplies current to the amplifier. A second control value generating member is adapted for receiving a signal proportional to a power output from the power coupler at the compensating connection and is adapted for generating a second control signal for controlling the amplifier or the current supply.
摘要:
A system and method for displaying a unified representation of performance related data for a building are disclosed. The system includes a sensor network for collecting data in the building and a computing device for generating and displaying a unified representation of performance related data on a display. The performance related data may include the raw data collected by the sensor network or data generated by simulation programs based on the raw data collected by the sensor network. The computing device displays the performance related data in the context of a graphical representation of a three-dimensional model of the building as defined in a building information model (BIM). The computing device generates the graphical representation using an ambient occlusion rendering technique and then incorporates the performance related data either using a direct rendering technique or a transient geometry technique.
摘要:
In a method for operating a plasma installation, an induction heating installation or a laser excitation installation in a pulsed power output operation, includes controlling at least one semiconductor switching element to produce a power loss in the at least one semiconductor switching element during a pulse pause time period in a pulse pause operation during which no power suitable for the ignition or the operation of the plasma process, the induction heating process, or the laser excitation process is produced at a power output of a power generator by the at least one semiconductor switching element of the power generator, and such that a reduction of a temperature of the at least one semiconductor switching element by more than a predetermined value is prevented.