Patents by Inventor Yu-Liang Chung
Yu-Liang Chung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8712704Abstract: A defect detection system and method enable a fastened crystalline silicon product to generate micro-vibration by a micro-vibration excitation device, so as to enable the crystalline silicon product to generate an excitation signal, then to acquire the excitation signal by a acquisition device, so as to analyze the excitation signal acquired by the acquisition device in the time and frequency domain by an analysis detection device with a specific analysis, and to obtain an analysis result, at last, determine a defect state of the crystalline silicon product according to the analysis result.Type: GrantFiled: September 10, 2010Date of Patent: April 29, 2014Assignee: Industrial Technology Research InstituteInventors: Jui-Yiao Su, Yu-Liang Chung, Chun-Chieh Wang, Chien-Feng Wu, Yan-Chen Liu
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Patent number: 8689398Abstract: The disclosure provides a cleaning apparatus and detecting method thereof. The cleaning apparatus includes a fan, a motor, a detecting device and a control unit. The motor drives the fan to create an air flow through the cleaning apparatus. The detecting device is electrically connected to the motor, and is utilized detected an impedance of the motor. The control unit is electrically connected to the motor and the detecting device respectively, for comparing the impedance of the motor with a predetermined value and outputting a signal indicative of a comparison result.Type: GrantFiled: July 31, 2012Date of Patent: April 8, 2014Assignee: Industrial Technology Research InstituteInventors: Yu-Liang Chung, Tung-Chuan Wu, Chun-Chieh Wang, Long-Der Chen
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Patent number: 8688308Abstract: A method for navigation of a movable platform is provided. The method includes the steps. First, a plurality of reflection devices is placed to mark a range. A coordinate location and a direction of the movable platform are received by a positioning system, At least one laser to measure relative positions and distances between the reflection devices and the movable platform are emitted by a laser range finder, respectively. Absolute locations of the reflection devices and the range are calculated by a processor according to the coordinate location and the direction of the movable platform, the relative positions and the distances between the reflection devices and the movable platform. The reflection devices are scanned and tracked by the processor, and the coordinate location and the direction of the movable platform and the absolute locations are calibrated by the processor to control the movable platform to move in the range.Type: GrantFiled: November 20, 2012Date of Patent: April 1, 2014Assignee: Industrial Technology Research InstituteInventors: Chien-Feng Wu, Yan-Chen Liu, Tsung-Liang Wu, Chun-Chieh Wang, Yu-Liang Chung
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Patent number: 8639454Abstract: A method of efficacy anticipation and failure examination for an apparatus is disclosed. The method first establishes an anticipation model, and then trains the anticipation model by calibrating the same using errors obtained between a realistic data and an anticipated data, so as to use the calibrated anticipation model to estimate the performance efficacy of an apparatus or any component in the apparatus, and also to acknowledge if there is any abnormality occurred during the operation of the apparatus or the component.Type: GrantFiled: March 9, 2011Date of Patent: January 28, 2014Assignee: Industrial Technology Research InstituteInventors: Chun-Chieh Wang, Yu-Liang Chung
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Patent number: 8441264Abstract: A detecting station of a winding product and a method for detecting an inter-turn short circuit are provided. The method includes following steps. First, a high voltage pulse is input to two ends of a winding of a winding product. Next, a voltage value of an electrifying process of the winding is extracted for generating an extracting data. Finally, a time-frequency converting operation is performed to the extracting data, and a time-frequency analysis information is generated for indicating whether or not the inter-turn short circuit is occurred in the winding.Type: GrantFiled: December 15, 2009Date of Patent: May 14, 2013Assignee: Industrial Technology Research InstituteInventors: Chun-Chieh Wang, Yu-Liang Chung, Yong-Lin Kuo, Lai-Sheng Chen
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Publication number: 20120291812Abstract: The disclosure provides a cleaning apparatus and detecting method thereof. The cleaning apparatus includes a fan, a motor, a detecting device and a control unit. The motor drives the fan to create an air flow through the cleaning apparatus. The detecting device is electrically connected to the motor, and is utilized detected an impedance of the motor. The control unit is electrically connected to the motor and the detecting device respectively, for comparing the impedance of the motor with a predetermined value and outputting a signal indicative of a comparison result.Type: ApplicationFiled: July 31, 2012Publication date: November 22, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu-Liang CHUNG, Tung-Chuan WU, Chun-Chieh WANG, Long-Der CHEN
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Publication number: 20120210685Abstract: A centrifugal fan apparatus is disclosed in the present invention. The characteristics of the centrifugal fan apparatus lies in that the width of airflow channel defined between the rim of the impeller and the inner wall of the housing accommodating the impeller is uniform, and two airflow spaces defined between the axial cross section of the impeller and upper housing and lower housing respectively are not symmetry. Due to these two characteristics, the centrifugal fan apparatus is capable of making larger pressure difference to inducing higher flow rate and reducing noise while the centrifugal fan apparatus is operated. The present invention also provides a dust-collecting module that is formed by adopting the centrifugal fan apparatus with a designed dust-collecting casing, which is capable of being a sucker of a vacuum cleaner to collect dust of the surroundings for the purpose of environment cleaning.Type: ApplicationFiled: May 7, 2012Publication date: August 23, 2012Applicant: Industrial Technology Research InstituteInventors: YANN-SHUOH SUN, Yu-Liang Chung, Jiing-Fu Chen, Tung-Chuan Wu, Chun-Hsien Liu
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Patent number: 8223029Abstract: A method for controlling a cleaning device is presented, which includes the following steps. A cleaning device includes a control unit, a fan module, an optical emitter, and an optical sensor. The optical emitter and the optical sensor are located in an air inlet of the fan module. The control unit is preset with a first impedance value (Z1), a second impedance value (Z2), and a threshold, where 0<Z1<Z2. Then, the control unit reads an impedance value (Z) of the fan module. If Z1<Z<Z2, the control unit drives the fan module. If Z2<Z, the control unit reads a detected value of the optical sensor. If the detected value exceeds the threshold, the control unit drives the fan module, so as to increase a suction force of the fan module. If the detected value is smaller than the threshold, the control unit turns off the fan module.Type: GrantFiled: December 29, 2009Date of Patent: July 17, 2012Assignee: Industrial Technology Research InstituteInventors: Yu-Liang Chung, Chun-Hsien Liu, Chun-Chieh Wang, Long-Der Chen, Chen Meng-Chun, Chun-Sheng Wang
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Publication number: 20120144237Abstract: A method of efficacy anticipation and failure examination for an apparatus is disclosed. The method first establishes an anticipation model, and then trains the anticipation model by calibrating the same using errors obtained between a realistic data and an anticipated data, so as to use the calibrated anticipation model to estimate the performance efficacy of an apparatus or any component in the apparatus, and also to acknowledge if there is any abnormality occurred during the operation of the apparatus or the component.Type: ApplicationFiled: March 9, 2011Publication date: June 7, 2012Applicant: Industrial Technology Research InstituteInventors: CHUN-CHIEH WANG, Yu-Liang Chung
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Patent number: 8121730Abstract: The present invention relates to an obstacle detection device, adapted for an autonomous mobile system, which comprises: a conducting wire, a first unit and a second unit. The first unit further comprises a first conducting part, electrically connected to an end of the conducting wire; and the second unit further comprises a second conducting part, electrically connected to another end of the conducting wire other than that connecting to the first conducting part. As an abnormality, such as the autonomous mobile system comes into contact with an obstacle, or misses a step, is happening and detected by the obstacle detection device, a reactive force will be generated to force the two conducting parts to contact with each other so as to enable an electrical conduction for issuing an electrical signal to the control unit of the autonomous mobile system and thus enabling the autonomous mobile system to react with respect to the abnormality.Type: GrantFiled: July 3, 2008Date of Patent: February 21, 2012Assignee: Industrial Technology Research InstituteInventors: Yann-Shuoh Sung, Hung-Hsiu Yu, Yu-Liang Chung, Shao-Yu Hsu
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Publication number: 20120016600Abstract: A defect detection system and method enable a fastened crystalline silicon product to generate micro-vibration by a micro-vibration excitation device, so as to enable the crystalline silicon product to generate an excitation signal, then to acquire the excitation signal by a acquisition device, so as to analyze the excitation signal acquired by the acquisition device in the time and frequency domain by an analysis detection device with a specific analysis, and to obtain an analysis result, at last, determine a defect state of the crystalline silicon product according to the analysis result.Type: ApplicationFiled: September 10, 2010Publication date: January 19, 2012Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jui-Yiao SU, Yu-Liang Chung, Chun-Chieh Wang, Chien-Feng Wu, Yan-Chen Liu
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Patent number: 8094833Abstract: A sound source localization system and a sound source localization method. The sound source localization system includes sound capturing devices and an arithmetic unit. The sound capturing devices sense a sound source to output time domain signals. The arithmetic unit transforms the time domain signals into frequency domain signals, performs a cross spectrum process according to the frequency domain signals to determine time differences of arrival, and locates the sound source according to the time differences of arrival and locations of the sound capturing devices.Type: GrantFiled: October 22, 2007Date of Patent: January 10, 2012Assignee: Industrial Technology Research InstituteInventors: Yen-Chieh Mao, Yu-Liang Chung, Nai-Chia Chang
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Patent number: 7952470Abstract: A collision detection apparatus is provided, which includes a main body, at least an air bag disposed at the periphery of the main body and at least a baro sensor. The air bags communicate with each other. The air bag is connected to the baro sensor to detect the pressure at different time points and the pressure variations. The apparatus judges whether a collision has occurred and the collision force is detected by the baro sensors. The time point of collision occurrence and the collision position according to the pressures of the air bags at different time points are determined.Type: GrantFiled: February 13, 2007Date of Patent: May 31, 2011Assignee: Industrial Technology Research InstituteInventors: Ching-Chi Liao, Yen-Chieh Mao, Lai-Sheng Chen, Yu-Liang Chung, Yann-Shuoh Sun, Nai-Chia Chang
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Publication number: 20110115638Abstract: A method for controlling a cleaning device is presented, which includes the following steps. A cleaning device includes a control unit, a fan module, an optical emitter, and an optical sensor. The optical emitter and the optical sensor are located in an air inlet of the fan module. The control unit is preset with a first impedance value (Z1), a second impedance value (Z2), and a threshold, where 0<Z1<Z2. Then, the control unit reads an impedance value (Z) of the fan module. If Z1<Z<Z2, the control unit drives the fan module. If Z2<Z, the control unit reads a detected value of the optical sensor. If the detected value exceeds the threshold, the control unit drives the fan module, so as to increase a suction force of the fan module. If the detected value is smaller than the threshold, the control unit turns off the fan module.Type: ApplicationFiled: December 29, 2009Publication date: May 19, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu Liang Chung, Chun Hsien Liu, Chun Chieh Wang, Long Der Chen, Meng Chun Chen, Chun Sheng Wang
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Publication number: 20110089954Abstract: A detecting station of a winding product and a method for detecting an inter-turn short circuit are provided. The method includes following steps. First, a high voltage pulse is input to two ends of a winding of a winding product. Next, a voltage value of an electrifying process of the winding is extracted for generating an extracting data. Finally, a time-frequency converting operation is performed to the extracting data, and a time-frequency analysis information is generated for indicating whether or not the inter-turn short circuit is occurred in the winding.Type: ApplicationFiled: December 15, 2009Publication date: April 21, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chun-Chieh Wang, Yu-Liang Chung, Yong-Lin Kuo, Lai-Sheng Chen
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Patent number: 7861365Abstract: A robotic vacuum cleaner is disclosed in the present invention, which comprises a controller, at least a driving wheel module, and a dust-collecting module. The controller is disposed on a housing plate. The driving wheel module, electrically connecting to the controller, further includes: a driver; a wheel connecting to the output shaft of the driver; a linkage rod, having two ends pivotally fixed on the housing plate and the driver respectively; and a resilience element, having two ends pivotally connected to the housing plate and the driver respectively. The dust-collecting module, disposed on the housing plate, is capable of vacuuming for filtering and collecting dust.Type: GrantFiled: October 1, 2006Date of Patent: January 4, 2011Assignee: Industrial Technology Research InstituteInventors: Yann-Shuoh Sun, Jiing-Fu Chen, Yu-Liang Chung, Weng-Jung Lu, Meng-Chun Chen, Chun-Hsien Liu
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Publication number: 20100293742Abstract: The disclosure provides a cleaning apparatus and detecting method thereof. The cleaning apparatus includes a fan, a motor, a detecting device and a control unit. The motor drives the fan to create an air flow through the cleaning apparatus. The detecting device is electrically connected to the motor, and is utilized detected an impedance of the motor. The control unit is electrically connected to the motor and the detecting device respectively, for comparing the impedance of the motor with a predetermined value and outputting a signal indicative of a comparison result.Type: ApplicationFiled: May 18, 2010Publication date: November 25, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Yu-Liang CHUNG, Tung-Chuan WU, Chun-Chieh WANG, Long-Der CHEN
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Publication number: 20100142059Abstract: A liquid optical lens, including a transparent container, an elastic membrane, a first liquid and a second liquid, is provided. The transparent container is divided into a first chamber and a second chamber by the elastic membrane. The first liquid fills the first chamber. The second liquid fills the second chamber. The curvature of the elastic membrane is regulated by changing the volume ratio between the first liquid and the second liquid, so as to adjust the focal length of the liquid optical lens. Moreover, a liquid optical lens module including the above liquid optical lens and a volume adjustment mechanism is also provided. The focal length of the liquid optical lens can be precisely adjusted by using the volume adjustment mechanism.Type: ApplicationFiled: April 20, 2009Publication date: June 10, 2010Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chun-Hung Chou, Yu-Liang Chung, Horn-Sen Tzou
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Patent number: 7636621Abstract: A path guidance method for autonomous mobile device, by which a directional wireless reception unit, arranged on the autonomous mobile device, is enabled to receive a radio wave guidance signal issued by a call unit while the direction pointing to the call unit can be determined with respect to the intensity and direction of the received radio wave guidance signal, and thus the autonomous mobile device is directed to move toward the pointing direction until the autonomous mobile device reaches a location specified by the call unit. In a preferred aspect, the autonomous mobile device is determined to be not far from the call unit when the intensity of the radio wave guidance signal, received by the directional wireless reception unit, is larger than a predefined value.Type: GrantFiled: August 4, 2006Date of Patent: December 22, 2009Assignee: Industrial Technology Research InstituteInventors: Shih-Ping Lee, Yu-Liang Chung, Hung-Hsiu Yu, Tung-Chuan Wu
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Patent number: 7577499Abstract: The present invention relates to an obstacle detection device, adapted for an autonomous mobile system, which comprises: a conducting wire, a first unit and a second unit. The first unit further comprises a first conducting part, electrically connected to an end of the conducting wire; and the second unit further comprises a second conducting part, electrically connected to another end of the conducting wire other than that connecting to the first conducting part. As an abnormality, such as the autonomous mobile system comes into contact with an obstacle, or misses a step, is happening and detected by the obstacle detection device, a reactive force will be generated to force the two conducting parts to contact with each other so as to enable an electrical conduction for issuing an electrical signal to the control unit of the autonomous mobile system and thus enabling the autonomous mobile system to react with respect to the abnormality.Type: GrantFiled: October 2, 2006Date of Patent: August 18, 2009Assignee: Industrial Technology Research InstituteInventors: Yann-Shuoh Sun, Hung-Hsiu Yu, Yu-Liang Chung, Shao-Yu Hsu