Abstract: An inspection mechanism for metal blank, adapted for sensing the surface condition of a metal blank, includes a framework, a holding device, a shuffling device, and an inductive control device. It mainly utilizes the inductive control device to drive the holding device to hold and position the metal blank and control the shuffling device to move the sensor of the inductive control device to the path of sensing the metal blank, so as to conduct the sensing operation.

Abstract: An object burr processing machine for trimming object burr, comprises a machine base, a positioning seat erected on the machine base, a processing arm provided on the positioning seat, an object stage coupled with the machine base for placing object, and control device. The control device comprises an object sensing unit, a processing path setting unit, and a process control unit. The object sensing unit is able to sense the shape of the object. The processing path setting unit is able to define a processing path based on the shape of the object. The process control unit communicates and links to the processing arm, the object stage, the object sensing unit, and the processing path setting unit. During the burr trimming process, the process control unit can use the established processing path to control other devices to conduct the burr trimming process to the object, which greatly increases the convenience and efficiency of the processing.

Abstract: An inspection mechanism for metal blank, adapted for sensing the surface condition of a metal blank, includes a framework, a holding device, a shuffling device, and an inductive control device. It mainly utilizes the inductive control device to drive the holding device to hold and position the metal blank and control the shuffling device to move the sensor of the inductive control device to the path of sensing the metal blank, so as to conduct the sensing operation.

Abstract: A digital marking processing apparatus includes a central control unit, and a processing quality prediction unit, a processing unit and a marking unit which are respectively connected with the central control unit electrically. The processing quality prediction unit can implement a virtual processing quality prediction method to predict the processing quality of the workpiece, output an accurate data of quality to the central control unit and generate tool path for the processing unit to process the workpiece. The central control unit is able to compile the data of quality from the processing quality in prediction unit into file information, so that the marking unit can then utilize the file information to correspondingly mark barcode or other digital pattern on the workpiece, which facilitate workpiece management and information disclosure.

Abstract: A processing apparatus includes a central control unit, and a processing quality prediction unit, a processing unit, and a tool compensation unit which are respectively connected with the central control unit electrically. The processing quality prediction unit implements a virtual processing quality prediction method to predict the processing quality of the workpiece, output an accurate data of quality to the central control unit, and generate tool path for the processing unit to process the workpiece. The central control unit judges the data from the processing quality prediction unit and outputs the data to the tool compensation unit to calculate tool compensation data. The tool compensation unit provides the tool compensation data to the processing quality prediction unit to form a new processing path. Then the processing unit implements the compensated processing path to process the workpiece.

Abstract: A processing apparatus includes a processing quality prediction unit capable of outputting workpiece surface processing signal, a storage unit capable of storing workpiece surface processing signal, and a workpiece surface information management unit capable of interpreting workpiece surface processing signal. The workpiece surface information management unit can convert the surface processing signal into data of workpiece surface quality. The workpiece surface information management unit can be utilized to respectively interpret the surface processing signals provided by the processing quality prediction unit and to convert them into data of the roughness degree of the workpiece surface texture, so as to clearly provide information regarding the quality of the workpiece surface and completely utilize the signals detected during the processing for increasing the value added of the processing apparatus and enhancing the efficiency of use of the processing apparatus.

Abstract: A processing apparatus with vision-based measurement includes a central control unit and a workpiece transporting unit, a vision-based measurement unit, a processing quality prediction unit, and a processing unit that are respectively connected to the central control unit electrically. The workpiece transporting unit is controlled by the central control unit to transport the workpiece to the vision-based measurement unit to be measured. The data obtained by the vision-based measurement unit from measuring the workpiece is provided to the processing quality prediction unit for conducting quality prediction. The processing quality prediction unit implements a virtual processing quality prediction method to establish a quality prediction model, wherein the workpiece transporting unit is utilized to assist the processes of establishing or modifying the model.

Abstract: A processing apparatus includes a processing unit for processing the workpiece, a processing quality prediction unit connected with the processing unit electrically, a signal interpretation unit connected with the processing quality prediction unit electrically, and a control unit connected with both the processing unit and the signal interpretation unit electrically, wherein when the processing unit is processing the workpiece, the processing quality prediction unit detects the processing signal and sends the signal to the signal interpretation unit, wherein when the signal interpretation unit interprets the processing signal, if there is abnormality in the processing signal, the signal interpretation unit will immediately notify the control unit to stop the processing unit from operating.

Abstract: An object burr processing machine for trimming object burr, comprises a machine base, a positioning seat erected on the machine base, a processing arm provided on the positioning seat, an object stage coupled with the machine base for placing object, and control device. The control device comprises an object sensing unit, a processing path setting unit, and a process control unit. The object sensing unit is able to sense the shape of the object. The processing path setting unit is able to define a processing path based on the shape of the object. The process control unit communicates and links to the processing arm, the object stage, the object sensing unit, and the processing path setting unit. During the burr trimming process, the process control unit can use the established processing path to control other devices to conduct the burr trimming process to the object, which greatly increases the convenience and efficiency of the processing.

Abstract: A wheel rim processing machine for processing a wheel rim blank into a finished product of a defined wheel rim, comprises an infeed device, a detecting device, a first processing device, a second processing device, a third processing device, a discharge device, a movable clamp device, and a controlling device, wherein the controlling device can control actuations of each of the devices; as the controlling device received detection signal sent from the detecting device, the controlling device is able to control the first processing device, the second processing device, and the third processing device to conduct particular processes corresponding to the detection signal received from the wheel rim blank.

Abstract: An output stage configured to control a driving voltage thereof is provided. The output stage includes: a first switching current module, coupled to a node for outputting a first current; a second switching current module, coupled to the node for outputting a second current; a switching capacitor module with a capacitance, coupled to the node; a calibrating control circuit, for calibrating the first current, the second current and the capacitance; a time constant calibrating circuit, for generating a reference slew rate, and controlling the calibrating control circuit to selectively calibrate the first current, the second current and the capacitance, such that a ratio of the first current and the capacitance and the ratio of the second current and the capacitance conform to the reference slew rate; and a voltage clamper for setting a high/low voltage range and limiting a amplitude of the driving voltage within the high/low voltage range.

Abstract: An output stage configured to control a driving voltage thereof is provided. The output stage includes: a first switching current module, coupled to a node for outputting a first current; a second switching current module, coupled to the node for outputting a second current; a switching capacitor module with a capacitance, coupled to the node; a calibrating control circuit, for calibrating the first current, the second current and the capacitance; a time constant calibrating circuit, for generating a reference slew rate, and controlling the calibrating control circuit to selectively calibrate the first current, the second current and the capacitance, such that a ratio of the first current and the capacitance and the ratio of the second current and the capacitance conform to the reference slew rate; and a voltage clamper for setting a high/low voltage range and limiting a amplitude of the driving voltage within the high/low voltage range.

Abstract: A power amplifier including a loop filter, a frequency generator, a quantizer, and an output stage module is provided. The frequency generator outputs a signal with a reference frequency to the loop filter, and includes a logic circuit, a current array, and a dummy load. The dummy load representing a load circuit in the loop filter is coupled to the current array. An equivalent impedance of the dummy load is proportioned to an equivalent impedance of the load circuit. The current array outputs the signal and a dummy signal to the loop filter and the dummy load, respectively, according to a logic signal. By using the frequency generator to modulate the frequency automatically, an impact on the power amplifier caused by passive devices therein due to process variationscan be reduced.

Abstract: A sigma delta class D power amplifier includes a loop filter, a quantizer, and an output stage. The quantizer is coupled to the loop filter and quantifies an error signal according to levels of two reference signals to output a pair of mean signals, wherein different logic combinations of the mean signals belong to one of three quantum states. The output stage is coupled to the quantizer and outputs a corresponding output signal according to the different quantum states to drive a load, wherein a driving current of the output signal belongs to one of the three driving states which include at least a steady state with no current of a power amplifier.

Abstract: A power amplifier including a loop filter, a frequency generator, a quantizer, and an output stage module is provided. The frequency generator outputs a signal with a reference frequency to the loop filter, and includes a logic circuit, a current array, and a dummy load. The dummy load representing a load circuit in the loop filter is coupled to the current array. An equivalent impedance of the dummy load is proportioned to an equivalent impedance of the load circuit. The current array outputs the signal and a dummy signal to the loop filter and the dummy load, respectively, according to a logic signal. By using the frequency generator to modulate the frequency automatically, an impact on the power amplifier caused by passive devices therein due to process variationscan be reduced.

Abstract: A sigma delta class D power amplifier includes a loop filter, a quantizer, and an output stage. The quantizer is coupled to the loop filter and quantifies an error signal according to levels of two reference signals to output a pair of mean signals, wherein different logic combinations of the mean signals belong to one of three quantum states. The output stage is coupled to the quantizer and outputs a corresponding output signal according to the different quantum states to drive a load, wherein a driving current of the output signal belongs to one of the three driving states which include at least a steady state with no current of a power amplifier.