Peng, MI
Bo Peng, Ann Arbor, MI US
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20130008803 | Methods and Systems for Measurement of Tear Glucose Levels - A sensor system for determining glucose concentration in a tear fluid sample includes a working electrode including an immobilized glucose oxidase enzyme portion for reacting with glucose in the tear fluid sample, and a selectivity portion for enhancing the selectivity for glucose over electroactive interferent species in the tear fluid sample. Alternatively, a vessel for receiving the tear fluid sample may include the enzyme portion on an inner wall thereof. A reference electrode is disposed adjacent the working electrode, wherein the electrochemical reaction of the enzyme portion with glucose in the tear fluid sample generates a current related to the glucose concentration in the tear fluid sample. | 01-10-2013 |
20140305796 | METHODS AND SYSTEMS FOR MEASUREMENT OF TEAR GLUCOSE LEVELS - A sensor system for determining glucose concentration in a tear fluid sample includes a working electrode including an immobilized glucose oxidase enzyme portion for reacting with glucose in the tear fluid sample, and a selectivity portion for enhancing the selectivity for glucose over electroactive interferent species in the tear fluid sample. Alternatively, a vessel for receiving the tear fluid sample may include the enzyme portion on an inner wall thereof. A reference electrode is disposed adjacent the working electrode, wherein the electrochemical reaction of the enzyme portion with glucose in the tear fluid sample generates a current related to the glucose concentration in the tear fluid sample. | 10-16-2014 |
Dengming Peng, Stevensville, MI US
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20090293558 | WATER SUPPLY CONTROL FOR A STEAM GENERATOR OF A FABRIC TREATMENT APPLIANCE USING A WEIGHT SENSOR - A fabric treatment appliance comprises a steam generator having a chamber configured to hold water, a supply conduit configured to transport water to the steam generator chamber, a weight sensor outputting a signal responsive to the weight of the steam generator, and a controller coupled to the weight sensor and configured to control a flow of water through the supply conduit based on the signal from the weight sensor. The disclosure provides methods of water supply control that can employ the weight sensor. | 12-03-2009 |
20100132128 | WATER SUPPLY CONTROL FOR A STEAM GENERATOR OF A FABRIC TREATMENT APPLIANCE USING A TEMPERATURE SENSOR - A fabric treatment appliance comprises a steam generator having a chamber configured to hold water; a supply conduit configured to transport water to the steam generator chamber; a temperature sensor configured to sense a temperature representative of the steam generator chamber at a predetermined water level in the steam generator chamber; and a controller coupled to the temperature sensor and configured to control flow of water through the supply conduit based on the sensed temperature to control the level of water in the steam generator chamber. The disclosure provides methods of water supply control that can employ the temperature sensor. | 06-03-2010 |
20100170046 | WATER SUPPLY CONTROL FOR A STEAM GENERATOR OF A FABRIC TREATMENT APPLIANCE - A fabric treatment appliance comprises at least one of a tub and drum defining a fabric treatment chamber, a steam generator having a steam generation chamber and configured to supply steam to the fabric treatment chamber, and a conduit fluidly coupling a water supply to the steam generation chamber. The fabric treatment appliance can also include a flow controller and/or a flow meter fluidly coupled to the conduit to facilitate controlling the supply of water to the steam generation chamber. The disclosure provides methods of water supply control that can employ the flow controller and/or the flow meter. | 07-08-2010 |
Fang Zheng Peng, Okemos, MI US
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20150028923 | HIGH EFFICIENCY GATE DRIVE CIRCUIT FOR POWER TRANSISTORS - An improved gate drive circuit is provided for a power device, such as a transistor. The gate driver circuit may include: a current control circuit; a first secondary current source that is used to control the switching transient during turn off of the power transistor and a second secondary current source that is used to control the switching transient during turn on of the power transistor. In operation, the current control circuit operates, during turn on of the power transistor, to source a gate drive current to a control node of the power transistor and, during turn off of the power transistor, to sink a gate drive current from the control node of the power transistor. The first and second secondary current sources adjust the gate drive current to control the voltage or current rate of change and thereby the overshoot during the switching transient. | 01-29-2015 |
20150029764 | TRANSFORMER-LESS UNIFIED POWER FLOW CONTROLLER - A power control device includes a first terminal, a second terminal connected to a transmission line, a first cascade multilevel inverter (CMI) and a second CMI. The first CMI is connected to the second terminal. The second CMI connected in series between the first terminal and the second terminal. | 01-29-2015 |
Huei Peng, Ann Arbor, MI US
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20150066406 | ON-BOARD STATE OF HEALTH MONITORING OF BATTERIES USING INCREMENTAL CAPACITY ANALYSIS - A method is provided for determining capacity of a battery. The method includes: defining a model for a battery, where the model relates terminal voltage of the battery to charged capacity of the battery; taking a plurality of voltage measures of the battery, where the voltage measures are taken through a range of states of charge and the range excludes the battery being fully charged and fully discharged; determining the parameters of the model by fitting the plurality of voltage measures to the model; determining an incremental capacity curve for the battery by taking derivative of the model; and quantifying a peak of the incremental capacity curve to thereby determine a capacity of the battery. | 03-05-2015 |
Jiahui Peng, Ann Arbor, MI US
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20150187558 | PULSE-BURST ASSISTED ELECTROSPRAY IONIZATION MASS SPECTROMETER - The present invention relates to a mass spectrometer system, which combines laser desorption with pulse bursts comprising a train of ultrashort pulses and electrospray ionization. The pulse separation between individual pulses within the pulse burst is selected such that transient phenomena on an irradiated sample do not fully relax between individual pulses. Pulses with pulse widths ranging from fs to sub ns are conveniently implemented. The pulse widths can be selected to allow for multi-photon excitation of a sample while at the same time minimizing heat accumulation in a sample. Low cost laser systems such as fiber lasers can be configured to generate appropriate pulse bursts. The technique is suitable for mass spectrometry imaging with high spatial resolution. The laser system can serve as an electronic clock to which the whole mass spectrometry system or mass spectrometry imaging system is synchronized. | 07-02-2015 |
Jinchun Peng, Westland, MI US
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20100075803 | SECURING THROTTLE AREA IN A COORDINATED TORQUE CONTROL SYSTEM - An engine system includes a throttle actuator module and a torque control module. The throttle actuator module controls a throttle actuator based on a desired throttle area. The torque control module determines an actuator torque. The torque control module determines a rate limited torque, a maximum torque, and a minimum torque based on the actuator torque and a predetermined rate of change. The torque control module determines the desired throttle area based on the actuator torque when the rate limited torque is greater than the maximum torque. The torque control module determines the desired throttle area based on the actuator torque when the rate limited torque is less than the minimum torque. | 03-25-2010 |
20100222982 | TORQUE MODEL-BASED COLD START DIAGNOSTIC SYSTEMS AND METHODS - A control system for an engine having a catalytic converter includes an energy calculation module that calculates a calculated mass air flow (MAF) of intake air of the engine based on a requested torque and a requested spark timing that correspond to a desired thermal energy of exhaust of the engine, and that determines an expected thermal energy of the exhaust based on the calculated MAF, and an energy residual module that determines a thermal energy residual of the exhaust based on the expected thermal energy and an estimated thermal energy of the exhaust, wherein the estimated thermal energy is based on a measured MAF of the intake air. The control system includes an energy evaluation module that determines a diagnostic result that indicates whether the catalytic converter is operating within a target temperature range based on the thermal energy residual. Related control methods are also provided. | 09-02-2010 |
Jinchun Peng, Canton, MI US
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20090299602 | ENGINE TORQUE RESERVE SYSTEM DIAGNOSTIC SYSTEMS AND METHODS - An engine control system of a vehicle comprises a reserves module and a fault diagnostic module. The reserves module controls airflow into an engine based on a driver torque request, increases the airflow into the engine when a reserve torque request is received, and outputs a torque output command for the engine based on the driver torque request. The fault diagnostic module selectively diagnoses a fault in the reserves module when the torque output command is greater than a sum of the driver torque request, a predetermined torque, and a load applied to the engine. | 12-03-2009 |
20100217472 | SECURING DRIVER REQUESTED TORQUE - An engine control system comprises a driver axle torque request module (DATRM) and a driver axle torque security module (DATSM). The DATRM determines a pedal torque request based on minimum and maximum scaling torques and a torque scalar. The DATRM determines a raw driver torque request. The DATRM selectively shapes raw driver torque request into a final driver torque request. The DATRM converts the final driver torque request into a first axle torque request. The DATSM selectively diagnoses a fault in the first axle torque request based on a minimum engine torque, the minimum scaling torque, a first comparison of the final driver torque request and the redundant final driver torque request, and a second comparison of the first axle torque request and a redundant axle torque request. | 08-26-2010 |
20110046829 | METHOD AND APPARATUS FOR CONTROLLING CREEP TORQUE IN A VEHICLE EQUIPPED WITH A HYBRID POWERTRAIN SYSTEM - Vehicle creep control includes executing a first control scheme to determine a preferred output torque as a first function of the operator input to the brake pedal when the actual direction of vehicle travel is a first direction and the operator-selected direction of vehicle travel is also the first direction, and executing a second control scheme to determine the preferred output torque as a second function of the operator input to the brake pedal when the actual direction of vehicle travel is a second direction and the operator-selected direction of vehicle travel is the first direction. | 02-24-2011 |
20110114062 | METHOD AND APPARATUS FOR CONTROLLING ENGINE TORQUE DURING INTRUSIVE TESTING - A control system and method for controlling an engine includes a control module. The control module includes an evaporation control valve module closing a canister purge valve during a system diagnostic. A torque determination module determines a torque change for an end of the system diagnostic. A torque adjustment module changes an engine torque to a changed torque corresponding to the torque change. The evaporation control valve module opens the purge valve at the end of the diagnostic. | 05-19-2011 |
20110178691 | ACCELERATOR PEDAL TORQUE REQUEST SYSTEMS AND METHODS - An engine control system comprises a pedal torque request module, a filtering module, a selection module, and an arbitration module. The pedal torque request module determines a first pedal torque request at a first time and determines a second pedal torque request at a second time. The first time is before the second time. The filtering module determines a filtered pedal torque request based on the first pedal torque request, the second pedal torque request, and a filter coefficient. The selection module selects one of the second pedal torque request and the filtered pedal torque request. The arbitration module arbitrates between at least one driver torque request and the selected one of the second pedal torque request and the filtered pedal torque request, outputs a raw driver request based on a result of the arbitration, and controls at least one engine actuator based on the raw driver request. | 07-21-2011 |
Karl Peng, Novi, MI US
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20150298483 | COUNTERFEIT-PROOF LABEL HAVING SECURITY FEATURES FOR CONSUMERS IDENTIFICATON AND VERIFICATION - A counterfeit-proof label for consumers' identification and verification with unaided eyes and without using a device or performing any additional process is provided. The counterfeit-proof label has a series of first images printed along a first moving path and a series of second image printed along a second moving path for providing coordinated and synchronized moving relationship determined by a relationship length parameter and a relationship angle parameter for continuous moves of visual effect images as the counterfeit-proof label continuously tilts with a series of angles. A security coating is applied on the counterfeit-proof label to prevent the printed. | 10-22-2015 |
Tehui Peng, Rochester Hills, MI US
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20100230449 | APPARATUS FOR ATTACHING COMPONENTS TO A VEHICLE - A mounting apparatus is provided for securing a component to a base on a vehicle. The component has a first longitudinal lip extending along a first side thereof and a second longitudinal lip extending along a second side substantially opposite the first side. The mounting apparatus comprises an elongate track assembly configured to be fixedly coupled to the base and having first and second edge sections. The first edge section is configured to secure the first lip, and the second edge section is configured to form a wall. A wedge assembly is coupled to the track assembly for engaging the wall and the second lip to secure the component on the track assembly. | 09-16-2010 |
Wei-Jun Peng, Midland, MI US
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20090118548 | HYDROFORMYLATION PROCESS AND PRODUCT SEPARATION WITH IMPROVED RECOVERY OF RHODIUM - A non-aqueous hydroformylation process with liquid catalyst recycle involving a hydroformylation step and one or more stages of phase separation to recover a high molecular weight aldehyde product with efficient recovery of rhodium catalyst. The process includes a hydroformylation step to prepare a non-aqueous hydroformylation reaction product composition comprising one or more aldehyde products, one or more conjugated polyolefins, a rhodium-organophosphorus ligand complex, free organophosphorus ligand, and an organic solubilizing agent for said complex and said free ligand, and thereafter one or more stages of phase separation using added water under a carbon monoxide gas, hydrogen gas, or a mixture thereof. The process requires a specific range of total pressure for the hydroformylation, a specific range of total pressure for at least one of the separation stages, and a minimum sum of the total pressure of the hydroformylation step and the total pressure of the separation stage containing said gas. | 05-07-2009 |
20090247744 | HYDROFORMYLATION PROCESS FOR PHARMACEUTICAL INTERMEDIATE - The invention relates to an improved process for the preparation of an advanced synthetic intermediate of ACE inhibitors. In one aspect, the present invention is based on a novel process for the preparation of an aldehyde of formula (I), wherein (N) | 10-01-2009 |
20100044628 | CALIXARENE BISPHOSPHITE LIGAND FOR USE IN HYDROFORMYLATION PROCESSES - A calixarene bisphosphite composition for use as a ligand in a transition metal-ligand complex catalyst and in a complex catalyst precursor. The ligand is especially useful in catalysts and catalyst precursors for hydroformylation processes wherein a raffinate stream comprising a mixture of alpha, beta, and iso-olefinic isomers is hydroformylated in the presence of carbon monoxide, hydrogen, and the transition metal-ligand complex catalyst to form a mixture of linear and branched aldehyde products. The complex catalyst selectively converts the alpha and beta olefin reactants more rapidly than the iso-olefin reactant resulting in an improved molar ratio of normal (linear) to branched aldehyde products. The unconverted iso-olefinic isomer is thereafter readily separated from the aldehyde product mixture. | 02-25-2010 |
20100048753 | ALDEHYDE AND ALCOHOL COMPOSITIONS DERIVED FROM SEED OILS - An aldehyde composition containing a mixture of mono-formyl-, diformyl-, and triformyl-substituted fatty acids and/or fatty acid esters having a di-aldehyde/tri-aldehyde weight ratio of less than 5/1 and an average functionality number from greater than 0.96 to less than 1.26. A monomer alcohol composition containing a mixture of mono-hydroxymethyl-, dihydroxymethyl-, and trihydroxymethyl-substituted fatty acids and/or fatty acid esters having a diol/triol weight ratio of less than 5/1 and an average functionality number from greater than 0.90 to less than 1.20. The monomer alcohol can be converted into an oligomeric polyol for use in the manufacture of polyurethane flexible foams. | 02-25-2010 |
20100228057 | EXTRACTION PROCESS FOR ALDEHYDE PRODUCT SEPARATION AND CATALYST RECOVERY - An extraction process for a non-aqueous hydroformylation product composition to separate an aldehyde product and to recover a hydroformylation catalyst. The process involves mixing a non-aqueous hydroformylation product composition containing a mixture of formyl-substituted fatty acid triglyceride esters derived from hydroformylating a seed oil, a transition metal-organophosphine ligand wherein the organophosphine is ionically-charged, optionally free ionically-charged organophosphine ligand, and a polar organic solubilizing agent with water and an extraction solvent having low water solubility to recover an organic phase containing the mixture of formyl-substituted fatty acid triglycerides and the low solubility extraction solvent and an aqueous phase containing the transition metal-organophosphine ligand, optional free ligand, the organic solubilizing agent, and water. Optionally, the low solubility extraction solvent can be prepared in situ in the hydroformylation step. | 09-09-2010 |
Weiping Peng, Ann Arbor, MI US
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20100152200 | ALPHAVIRUS INHIBITORS AND USES THEREOF - The present invention relates to chemical compounds, methods for their discovery, and their therapeutic use. In particular, the present invention provides compounds as inhibitors of alphaviruses. | 06-17-2010 |
Xiang Peng, Ann Arbor, MI US
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20090122308 | PHOTONIC BANDGAP FIBERS - Included among the many structures described herein are photonic bandgap fibers designed to provide a desired dispersion spectrum. Additionally, designs for achieving wide transmission bands and lower transmission loss are also discussed. For example, in some fiber designs, smaller dimensions of high index material in the cladding and large core size provide small flat dispersion over a wide spectral range. In other examples, the thickness of the high index ring-shaped region closest to the core has sufficiently large dimensions to provide negative dispersion or zero dispersion at a desired wavelength. Additionally, low index cladding features distributed along concentric rings or circles may be used for achieving wide bandgaps. | 05-14-2009 |
20090123121 | RARE EARTH DOPED AND LARGE EFFECTIVE AREA OPTICAL FIBERS FOR FIBER LASERS AND AMPLIFIERS - Various embodiments described herein include rare earth doped glass compositions that may be used in optical fiber and rods having large core sizes. Such optical fibers and rods may be employed in fiber lasers and amplifiers. The index of refraction of the glass may be substantially uniform and may be close to that of silica in some embodiments. Possible advantages to such features include reduction of formation of additional waveguides within the core, which becomes increasingly a problem with larger core sizes. | 05-14-2009 |
Yuefeng Peng, Ann Arbor, MI US
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20090123480 | BIVALENT SMAC MIMETICS AND THE USES THEREOF - The invention relates to bivalent mimetics of Smac which function as inhibitors of Inhibitor of Apoptosis Proteins. The invention also relates to the use of these mimetics for inducing apoptotic cell death and for sensitizing cells to inducers of apoptosis. | 05-14-2009 |
20100273812 | DIAZO BICYCLIC SMAC MIMETICS AND THE USES THEREOF - The invention relates to diazo bicyclic mimetics of Smac which function as inhibitors of Inhibitor of Apoptosis Proteins. The invention also relates to the use of these mimetics for inducing apoptotic cell death and for sensitizing cells to inducers of apoptosis. | 10-28-2010 |
20120309961 | DIAZO BICYCLIC SMAC MIMETICS AND THE USES THEREOF - The invention relates to diazo bicyclic mimetics of Smac which function as inhibitors of Inhibitor of Apoptosis Proteins. The invention also relates to the use of these mimetics for inducing apoptotic cell death and for sensitizing cells to inducers of apoptosis. | 12-06-2012 |