Patents by Inventor Tsung-Lin Chen
Tsung-Lin Chen 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: 10930959Abstract: A fuel cell system includes a comparator, a signal tracking controller, a first load distribution controller, a first loop gain controller, a first adder, a first PWM controller, a first fuel cell and power converter, a second load distribution controller, a second loop gain controller, a second adder, a second PWM controller, and a second fuel cell and power converter. According to the proposed fuel cell parallel system, each fuel cell connected in parallel can have a different output voltage, but the voltage at the load side can be maintained. In addition, the power output ratio of each fuel cell can be controlled under the nominal load conditions and the load varied.Type: GrantFiled: June 1, 2018Date of Patent: February 23, 2021Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Tsung-Lin Chen, Chien-Chang Wu
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Publication number: 20180351186Abstract: A fuel cell system includes a comparator, a signal tracking controller, a first load distribution controller, a first loop gain controller, a first adder, a first PWM controller, a first fuel cell and power converter, a second load distribution controller, a second loop gain controller, a second adder, a second PWM controller, and a second fuel cell and power converter. According to the fuel cell system, each fuel cell connected in parallel can have a different output voltage, and the output power of each fuel cell can be controlled, so that the voltage at the load side can be maintained and the power output ratio of each fuel cell can be controlled under the load varied.Type: ApplicationFiled: June 1, 2018Publication date: December 6, 2018Inventors: Tsung-Lin CHEN, Chien-Chang WU
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Patent number: 9269970Abstract: The present invention provides a fuel cell system, and the fuel cell system comprises a fuel cell, an after burner, a heat exchanger and a reformer. The after burner connects with the fuel cell to receive rest-bar of the fuel cell and produce a gas with high temperature. The heat exchanger comprises a first heat exchanging unit and a second heat exchanging unit connected with the first heat exchanging unit, and the second heat exchanging unit connects with a fuel input pipe for receiving the fuel. The reformer connects with the after burner, the first heat exchanging unit and the second heat exchanging unit separately.Type: GrantFiled: June 7, 2013Date of Patent: February 23, 2016Assignee: National Chiao Tung UniversityInventors: Tsung-Lin Chen, Chien-Chang Wu
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Publication number: 20140178781Abstract: The present invention provides a fuel cell system, and the fuel cell system comprises a fuel cell, an after burner, a heat exchanger and a reformer. The after burner connects with the fuel cell to receive rest-bar of the fuel cell and produce a gas with high temperature. The heat exchanger comprises a first heat exchanging unit and a second heat exchanging unit connected with the first heat exchanging unit, and the second heat exchanging unit connects with a fuel input pipe for receiving the fuel. The reformer connects with the after burner, the first heat exchanging unit and the second heat exchanging unit separately.Type: ApplicationFiled: June 7, 2013Publication date: June 26, 2014Inventors: Tsung-Lin CHEN, Chien-Chang WU
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Patent number: 8736349Abstract: The present invention provides a current limit circuit apparatus, coupled with the gate of a GaN transistor. The current limit circuit comprises a diode, a first transistor, a second transistor, a first resistor, a second resistor, a third resistor and a fourth resistor. The source and the drain of the first transistor couple with the diode. The source of the second transistor couples with the gate of the first transistor. The source of the first transistor couples with the first transistor. The source of the second transistor couples with the second resistor. The third resistor couples with the fourth resistor and the gate of the first transistor. The first transistor turned off and the gate current is limited. When the current of the gate of the GaN transistor exceeds the predetermined value, the breakdown voltage is increased by limiting the gate current.Type: GrantFiled: August 28, 2012Date of Patent: May 27, 2014Assignee: National Chiao Tung UniversityInventors: Tsung-Lin Chen, Edward Yi Chang, Wei-Hua Chieng, Stone Cheng, Shyr-Long Jeng, Shin-Wei Huang
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Publication number: 20130300322Abstract: An embedded industrial controller with a bicycle frame shape is disclosed. The embedded industrial controller includes a casing with the bicycle frame shape having an upper tube, a lower tube, a front fork, a rear lower fork, a rear upper fork and a base tube, a motherboard, a battery module, a power electrical port and a plurality of input and output electrical ports. The embedded industrial controller with a bicycle frame shape of the present invention has significantly improved functions than the conventional industrial controller, and further meets the conventional requirements such as dust proof, vibration proof, and heat dissipation.Type: ApplicationFiled: September 13, 2012Publication date: November 14, 2013Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Yung-Sheng Tseng, Ching-Wei Shih, Shyr-Long Jeng, Edward-Yi Chang, Chia-Hua Chang, Bing-Shiang Yang, Stone Cheng, Wei-Hua Chieng, Tsung-Lin Chen
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Patent number: 8581638Abstract: The present invention provides a high-side driver circuit including a power transistor, the first transistor, the second transistor, the second capacitor, the second diode, a start-up circuit. The start-up circuit is coupled between a resistor and the second capacitor to complete a gate driving circuit. And, the aforementioned resistor can either be the gate resistance of the power transistor or an external resistor. The design of start-up circuit enables the functionality of the bootstrap capacitor of being charged to a designate voltage level. Thus, the depletion-mode transistor can be controlled to turn on/off without a floating voltage source or a negative voltage source.Type: GrantFiled: August 28, 2012Date of Patent: November 12, 2013Assignee: National Chiao Tung UniversityInventors: Tsung-Lin Chen, Edward Yi Chang, Wei-Hua Chieng, Stone Cheng, Shyr-Long Jeng, Che-Wei Chang
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Publication number: 20130241601Abstract: The present invention provides a high-side driver circuit including a power transistor, the first transistor, the second transistor, the second capacitor, the second diode, a start-up circuit. The start-up circuit is coupled between a resistor and the second capacitor to complete a gate driving circuit. And, the aforementioned resistor can either be the gate resistance of the power transistor or an external resistor. The design of start-up circuit enables the functionality of the bootstrap capacitor of being charged to a designate voltage level. Thus, the depletion-mode transistor can be controlled to turn on/off without a floating voltage source or a negative voltage source.Type: ApplicationFiled: August 28, 2012Publication date: September 19, 2013Inventors: Tsung-Lin CHEN, Edward Yi CHANG, Wei-Hua CHIENG, Stone CHENG, Shyr-Long JENG, Che-Wei CHANG
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Publication number: 20130241603Abstract: The present invention provides a current limit circuit apparatus, coupled with the gate of a GaN transistor. The current limit circuit comprises a diode, a first transistor, a second transistor, a first resistor, a second resistor, a third resistor and a fourth resistor. The source and the drain of the first transistor couple with the diode. The source of the second transistor couples with the gate of the first transistor. The source of the first transistor couples with the first transistor. The source of the second transistor couples with the second resistor. The third resistor couples with the fourth resistor and the gate of the first transistor. The first transistor turned off and the gate current is limited. When the current of the gate of the GaN transistor exceeds the predetermined value, the breakdown voltage is increased by limiting the gate current.Type: ApplicationFiled: August 28, 2012Publication date: September 19, 2013Inventors: Tsung-Lin CHEN, Edward Yi CHANG, Wei-Hua CHIENG, Stone CHENG, Shyr-Long JENG, Shin-Wei HUANG
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Publication number: 20130161708Abstract: A semiconductor structure and a method for manufacturing the same are provided. The semiconductor structure includes a substrate, a die and a medium. The substrate has an upper substrate surface. The substrate has a trench extended downward from the upper substrate surface. The trench has a side trench surface. The die is in the trench. The die has a lower die surface and a side die surface. The lower die surface is below the upper substrate surface. A part of the trench between the side trench surface and the side die surface is filled with the medium.Type: ApplicationFiled: September 7, 2012Publication date: June 27, 2013Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ming-Tsan Peng, Shih-Tung Cheng, Edward Yi Chang, Po-Chien Chou, Shyr-Long Jeng, Chia-Hua Chang, Tsung-Lin Chen, Jian-Feng Tsai
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Patent number: 8455996Abstract: The present invention discloses a wafer level packaging method and a packaging structure for packaging a first wafer and a second wafer. The first wafer has a back side and an active side, and further, the active side of the first wafer has a MEMS element. The step of forming two through silicon vias is performed first. A first electrical interconnect and a first bonding ring are formed on the active side of the first wafer. The former connects with one of the through silicon vias, the later surrounds the MEMS element and connects with the other of the through silicon vias. The step of forming a second bonding ring and a second electrical interconnect is then performed. And then, a voltage will be applied to the through silicon vias through the back side of the first wafer.Type: GrantFiled: August 2, 2012Date of Patent: June 4, 2013Assignee: National Chiao Tung UniversityInventors: Tsung-Lin Chen, Jui-Chien Lien
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Patent number: 8381589Abstract: The present invention proposes a single-axis-control-input gyroscope system having imperfection compensation, which comprises a gyroscope and a state observer. The gyroscope includes a mechanical structure, and the dynamic behavior of the mechanical structure is described with a plurality of system parameters and a plurality of dynamic equations. The system parameters include a mass of the gyroscope, two main-axis spring constants, a cross-axis spring constant, two main-axis damping coefficients, a cross-axis damping coefficient and an angular velocity. The mechanical imperfections cause the system parameters to deviate from the designed values and become unknown values. The gyroscope receives a single-axis control signal and outputs a plurality of gyroscopic system dynamics. The single-axis control signal includes at least two frequency signals. The state observer is coupled to the gyroscope to receive the gyroscopic system dynamics as the inputs thereof to feed back compensations to the state observer.Type: GrantFiled: June 23, 2010Date of Patent: February 26, 2013Assignee: National Chiao Tung UniversityInventors: Tsung-Lin Chen, Chien-Yu Chi, Chia-Wei Lee
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Patent number: 8371165Abstract: An MEMS gyroscope is disclosed, capable of computing the rotating angle of a DUT being attached thereto without the need to execute an off-line calibration process, of precluding the execution of an integration process, and of executing an on-line compensation process for the error introduced by the sensing circuit defect and by the mechanical structure defect of its gyroscope module. The disclosed MEMS gyroscope comprises: a gyroscope module, a sensing module coupled with the gyroscope module, and a control module couple with the gyroscope module and the sensing module, respectively. The control module receives the system dynamic of the gyroscope module sensed by the sensing module, and applies a gyroscope control method for controlling the gyroscope module and computing the rotating angle of the DUT. Moreover, the control module outputs a control signal including two extra frequency signals, to the gyroscope module, for driving the gyroscope module into operation.Type: GrantFiled: July 28, 2010Date of Patent: February 12, 2013Assignee: National Chiao Tung UniversityInventors: Tsung-Lin Chen, Chien-Yu Chi, Chia-Wei Lee
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Patent number: 8170726Abstract: A system and method for estimating road angles of a road on which a moving body is traveling are disclosed. The road angle estimation system includes: a sensing module adapted to be mounted on the moving body to detect a plurality of pieces of measurement information associated with the moving body; and a calculating module coupled to the sensing module to receive the pieces of measurement information therefrom. The calculating module simultaneously calculates an estimated bank angle and an estimated grade angle on the basis of the pieces of measurement information, a plurality of support parameters, and a plurality of user control parameters.Type: GrantFiled: February 20, 2009Date of Patent: May 1, 2012Assignee: National Chiao Tung UniversityInventors: Tsung-Lin Chen, Ling-Yuan Hsu
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Patent number: 8166817Abstract: An angle-measuring method includes: configuring a state observer to calculate a set of estimated signals based on a set of previously calculated estimated parameters; configuring the state observer to calculate a gain thereof using a dynamic equation associated with a gyroscope; configuring the state observer to calculate a set of currently calculated estimated parameters using the dynamic equation associated with the gyroscope based on the gain calculated by the state observer, a set of sensing signals generated by a sensing module, and the estimated signals calculated by the state observer; and configuring an angle calculator to calculate an angle of rotation of the gyroscope based on a position and a velocity in the currently calculated estimated parameters calculated by the state observer and a stiffness coefficient of the gyroscope. An angle-measuring gyroscope system that implements the angle-measuring method is also disclosed.Type: GrantFiled: November 3, 2009Date of Patent: May 1, 2012Assignee: National Chiao Tung UniversityInventors: Tsung-Lin Chen, Chien-Yu Chi
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Publication number: 20110314910Abstract: The present invention proposes a single-axis-control-input gyroscope system having imperfection compensation, which comprises a gyroscope and a state observer. The gyroscope includes a mechanical structure, and the dynamic behavior of the mechanical structure is described with a plurality of system parameters and a plurality of dynamic equations. The system parameters include a mass of the gyroscope, two main-axis spring constants, a cross-axis spring constant, two main-axis damping coefficients, a cross-axis damping coefficient and an angular velocity. The mechanical imperfections cause the system parameters to deviate from the designed values and become unknown values. The gyroscope receives a single-axis control signal and outputs a plurality of gyroscopic system dynamics. The single-axis control signal includes at least two frequency signals. The state observer is coupled to the gyroscope to receive the gyroscopic system dynamics as the inputs thereof to feed back compensations to the state observer.Type: ApplicationFiled: June 23, 2010Publication date: December 29, 2011Applicant: National Chiao Tung UniversityInventors: Tsung-Lin CHEN, Chien-Yu CHI, Chia-Wei LEE
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Publication number: 20110259100Abstract: An MEMS gyroscope is disclosed, capable of computing the rotating angle of a DUT being attached thereto without the need to execute an off-line calibration process, of precluding the execution of an integration process, and of executing an on-line compensation process for the error introduced by the sensing circuit defect and by the mechanical structure defect of its gyroscope module. The disclosed MEMS gyroscope comprises: a gyroscope module, a sensing module coupled with the gyroscope module, and a control module couple with the gyroscope module and the sensing module, respectively. The control module receives the system dynamic of the gyroscope module sensed by the sensing module, and applies a gyroscope control method for controlling the gyroscope module and computing the rotating angle of the DUT. Moreover, the control module outputs a control signal including two extra frequency signals, to the gyroscope module, for driving the gyroscope module into operation.Type: ApplicationFiled: July 28, 2010Publication date: October 27, 2011Inventors: Tsung-Lin CHEN, Chien-Yu Chi, Chia-Wei Lee
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Publication number: 20110005315Abstract: An angle-measuring method includes: configuring a state observer to calculate a set of estimated signals based on a set of previously calculated estimated parameters; configuring the state observer to calculate a gain thereof using a dynamic equation associated with a gyroscope; configuring the state observer to calculate a set of currently calculated estimated parameters using the dynamic equation associated with the gyroscope based on the gain calculated by the state observer, a set of sensing signals generated by a sensing module, and the estimated signals calculated by the state observer; and configuring an angle calculator to calculate an angle of rotation of the gyroscope based on a position and a velocity in the currently calculated estimated parameters calculated by the state observer and a stiffness coefficient of the gyroscope. An angle-measuring gyroscope system that implements the angle-measuring method is also disclosed.Type: ApplicationFiled: November 3, 2009Publication date: January 13, 2011Inventors: Tsung-Lin CHEN, Chien-Yu CHI
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Publication number: 20100100272Abstract: A system and method for estimating road angles of a road on which a moving body is traveling are disclosed. The road angle estimation system includes: a sensing module adapted to be mounted on the moving body to detect a plurality of pieces of measurement information associated with the moving body; and a calculating module coupled to the sensing module to receive the pieces of measurement information therefrom. The calculating module simultaneously calculates an estimated bank angle and an estimated grade angle on the basis of the pieces of measurement information, a plurality of support parameters, and a plurality of user control parameters.Type: ApplicationFiled: February 20, 2009Publication date: April 22, 2010Applicant: NATIONALCHIAO TUNG UNIVERSITYInventors: Tsung-Lin Chen, Ling-Yuan Hsu
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Patent number: D589466Type: GrantFiled: March 9, 2007Date of Patent: March 31, 2009Assignee: Delta Electronics Inc.Inventors: Chin-Ming Chen, Yuhsien Lin, Tsung-Lin Chen, Alex Hsia