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2017 IMS Society Member Patents

Patent Title
Modular Compaction Boring Machine System

Patent Number & Issued Date
US 9,850,715
December 26, 2017

Inventor Names
Beckwith, Blessum, Gard*, Kukuk, MacDonald, Salas, Sands, Shaffer, Sharp, Stephenson, Webb, and Young
*Indicates IMS member

Abstract
A modular compaction boring device.  The boring device comprises a compaction boring head which creates a borehole through a subsurface by operation of a thruster and a rear and forward anchor.  Extension of the thruster while the rear anchors are engaged move the boring head forward.  Retraction of the thruster while the forward anchors are engaged brings the rear anchors forward for an addition stroke.  A steering geometry in the boring head and rotation of the boring head allow steering of the boring device.  Steering, thrust, and anchors may be controlled remotely through an umbilical cable pulled through the borehole by the boring device.

Assignee/Applicant
The Charles Machine Works, Inc.

Link(s) to Patent
US Patent


Patent Title
AOS satellite data transmission Available data district's extraction system and method based on FPGA

Patent Number & Issued Date
CN201510187602.7
November 17, 2017

Inventor Names
Shaojun Wang, Ning Ma, Datong Liu*, Xinying Cui, Yu Peng
*Indicates IMS member

Abstract
AOS satellite data transmission Available data district's extraction system and method based on FPGA belong to the satellite charge number according to the processing technic field.The invention is processd and is distributed satellite charge number certificate in order to solve the mode that adopts the software design, and there is the problem of bottleneck in the processing speed. The system includes three data memory module, be used for giving up the mistake frame data to the essential information that AOS standard frame data the carried check-up of comparing, exports the format check module and the data extraction module of correct frame data; The method includes three data storage step, be used for giving up the mistake frame data through the essential information that format check pair of module AOS standard frame data the carried check-up of comparing, the step of exporting correct frame data with be used for the number of pass according to drawing the correct frame data of pair of module according to the data pattern requirement, draw according to the data unit, and splice into the step of the analytic data of anticipated length. The invention is used for satellite data transmission Available data district to draw.

Assignee/Applicant
Harbin Institute of Technology

Link(s) to Patent
China Patent


Patent Title
Vehicle operating state monitoring module and method based on vibration signal analysis

Patent Number & Issued Date
CN201510980798.5
November 14, 2017

Inventor Names
Datong Liu, Guangxing Niu, Yi Tang, Wang Liu, Yu Peng, Xiyuan Peng
*Indicates IMS member

Abstract
Based on the vehicle operating real time monitoring module and the method of the vibration signal analysis, belong to vehicle performance control field, the invention adopts performance parameter monitoring, lubrication oil analysis monitoring method to realize the running state monitoring to the vehicle for solving, needs to select the problem of different monitoring parameters to different vehicles. The invention includes that main controller, signal acquisition take care of unit and TF card; The vehicle vibration signal sample component model that the host computer provided according to vehicle operating real time monitoring module, the Model Construction the corresponding relation of characteristic value and operating mode type of vehicle vibration signal, the model is downloaded and is waited for in the main controller and transferring; The vibration signal of vehicle is gathered to the acceleration sensor on the vehicle of being provided; Process reason back signal and carry out time-domain analysis, frequency-domain analysis and transform domain analysis, acquire the characteristic value of the vehicle vibration signal; And the calling model determines the operating mode type that current vehicle vibration signal pair was answered, realizes the online monitoring to the vehicle operating mode.

Assignee/Applicant
Harbin Institute of Technology

Link(s) to Patent
China Patent


Patent Title
Real-time, limited orientation-sensor auto-calibration

Patent Number & Issued Date
US 9,804,288 B2,
October 31, 2017

Inventor Names
Robert A. Estes*, Randy R. Riggs, Francis Chad Hanak, John F. Priest

Abstract
A system method and computer-readable medium for correcting measurements obtained by a down hole tool for residual measurement errors is disclosed. A down hole tool having at least two directional field sensors is disposed in a borehole. The at least two directional sensors are substantially orthogonal to each other and to a longitudinal axis of the down hole tool. Measurements are obtained from the at least two directional sensors during rotation of the tool by at least 360 degrees around the longitudinal axis of the tool. Residual measurement errors are determined for the obtained measurements, and a quality level of the determined residual measurement errors selected. The determined residual measurement errors are applied to the obtained measurements when the determined residual measurement errors are consistent with the selected quality level. In various embodiments, the residual measurement errors are reduced from a first value that does not match the selected quality level to a second value that are consistent with the selected quality level.

Assignee/Applicant
Baker Hughes Incorporated, Houston, TX (US)

Link(s) to Patent
US Patent


Patent Title
Bi-directional motion of a Lorentz-force actuated needle-free injector (NFI)

Patent Number & Issued Date
9,789,256
October 17, 2017

Inventor Names
Ian Hunter, Andrew Taberner*, N. Catherine Hogan

Abstract
The present invention relate to a method and corresponding apparatus for just in time mixing of a solid or powdered formulation and its subsequent delivery to a biological body. In some embodiments, a powdered formulation is maintained in a first chamber of a plurality of chambers. A plurality of electromagnetic actuators are in communication with the plurality of chambers. The actuators, when activated, generate a pressure within at least the first chamber. The pressure results in mixing of the powdered formulation and a diluent in time for delivering into the biological body.

Assignee/Applicant
Massachusetts Institute of Technology

Link(s) to Patent
US Patent


Patent Title
Satellite telemetry data anomaly detection based on DTW distance

Patent Number & Issued Date
CN201510351199.7
September 29, 2017

Inventor Names
Yu Peng, Datong Liu*, Jing Chen, Jingyue Pang, Xiyuan Peng
*Indicates IMS member

Abstract
Satellite telemetry data anomaly detection method based on DTW relates to the satellite telemetry data and examines the field unusually. The invention for the unusual parameter of solving present detection method and existing surpass the satellite unit exception missing detection that the alarm threshold results in the problem, have small skew and make tolerance result accuracy and then result in anomaly detection not enough accurate problem as a result inadequately with fixed problem and the time series of segment to exist great deviation to the satellite telemetry data that has the cycle characteristic of counting. The invention uses the argument catastrophe point to segment the satellite telemetry data as the sign, then calculates in the time series that contains the classification label DTW in each classification class apart from the mean value, and obtains the time series x' who waits to carry on the anomaly detection; DTW distance between the time series X that calculates x' and contain the classification label, determine x' with accurate under minimum DTW between the classification l' apart from dmin, thereby concern according to dmin big or small between with whether definite x' is unusual sequence. The invention is suitable for satellite telemetry data anomaly detection.

Assignee/Applicant
Harbin Institute of Technology

Link(s) to Patent
China Patent


Patent Title
Frame head fast synchronization system and method

Patent Number & Issued Date
CN201510329974.9
September 23, 2017

Inventor Names
Shaojun Wang, Ning Ma, Yao Ji, Xinying Cui, Datong Liu*, Yu Peng
*Indicates IMS member

Abstract
Frame head quick locking in system and method belong to satellite data transmission data acquisition processing technic field. The invention passes other improvement of data code speed level in order to solve along with defending, and present frame head synchronous method can't satisfy the problem that the data processing speed required. Invention system and method can realize the processing and the synchronization of data high-speed communication, change to going here and there from the received data of base equipment, and with data with N bit wide handled as the internal data bit wide, thereby realizes simultaneous processing N under the one clock? The bit data have satisfied and have defended the data processing speed requirement that passes data. The invention is used for the frame head quick locking in of satellite data transmission data.

Assignee/Applicant
Harbin Institute of Technology

Link(s) to Patent
China Patent


Patent Title
Electric horizontal directional drilling machine system

Patent Number & Issued Date
US 9,752,384
September 5, 2017

Inventor Names
Michael F. Gard

Abstract
An electric horizontal directional drilling machine.  An electric horizontal directional drilling machine is powered by an electric power assembly.  The power assembly is made up of a fuel call and inverter, or multiple fuel cells with synchronized inverters.  The electric motor operates hydraulic pumps or works independently to rotate, advance and retract a drill string and downhole tool through the earth and operate various machine functions.  Mechanical functions of the drilling machine may also be satisfied through the use of electric rotary actuators (e.g., motors) and linear actuators (e.g., linear motors and solenoids).

Assignee/Applicant
The Charles Machine Works, Inc.

Link(s) to Patent
US Patent


Patent Title
Indirect health indicator extraction approach for wireless data transmission devices

Patent Number & Issued Date
CN201410418596.7
August 25, 2017

Inventor Names
Jingyue Pang, Datong Liu*, Limeng Guo, Qi Li, Yu Peng, Xiyuan Peng
*Indicates IMS member

Abstract
The indirect health factor acquisition method for wireless data transmission devices belongs to the field of complex system diagnosis and prediction. The present invention is to solve the problem that the existing data transmission equipment is in a poor working condition and has poor maintainability in response, resulting in a decrease in accuracy of power adjustment. The indirect health factor-oriented method for a wireless data transmission device of the present invention extracts the indirect health factor that can reflect the health status of the data transmission device by using the statistical theory, the power and the automatic control gain parameter from the perspective of the test data, , Which effectively improves the accuracy of power adjustment and provides practical guidelines for fault prediction and health management of electronic equipment. It is applicable to the actual relay unit of an airborne wireless data communication and has been verified by application. It provides a practical reference for the degradation of wireless data transmission system.

Assignee/Applicant
Harbin Institute of Technology

Link(s) to Patent
China Patent


Patent Title
Ir Detector Array Device

Patent Number & Issued Date
US20170219434A1
August 3, 2017

Inventor Names
Florin Udrea, Syed Zeeshan ALI, Richard Henry Hopper, Julian Gardner, Andrea De Luca*
*Indicates IMS member

Abstract

We disclose herein a thermal IR detector array device comprising a dielectric membrane, supported by a substrate, the membrane having an array of IR detectors, where the array size is at least 3 by 3 or larger, and there are tracks embedded within the membrane layers to separate each element of the array, the tracks also acting as heatsinks and/or cold junction regions. 

Assignee/Applicant
Ams Sensors UK

 

Link(s) to Patent
US Patent


Patent Title
Ir Detector Array Device

Patent Number & Issued Date
US20170219434A1
August 3, 2017

Inventor Names
Florin Udrea, Syed Zeeshan ALI, Richard Henry Hopper, Julian Gardner, Andrea De Luca*
*Indicates IMS member

Abstract
We disclose an array of Infra-Red (IR) detectors comprising at least one dielectric membrane formed on a semiconductor substrate comprising an etched portion; at least two IR detectors, and at least one patterned layer formed within or on one or both sides of the said dielectric membrane for controlling the IR absorption of at least one of the IR detectors. The patterned layer comprises laterally spaced structures.

Assignee/Applicant
Ams Sensors UK

Link(s) to Patent
US Patent


Patent Title
Electrocardiogram (ecg) Biometric Authentication

Patent Number & Issued Date
US 9,699,182 B2
July 4, 2017

Inventor Names
Abdulmotaleb El Saddik*, Juan Sebastian Arteaga-Falconi*, Hussein Al Osman
*Indicates IMS member

Abstract
Electrocardiogram, better known as ECG or EKG, is a method used to measure and record the electrical potential generated by the heart on the skin. ECG data is unique to a user and can be used for authentication systems such as access or financial cards or for granting access to computing devices such as mobile devices. Electrode contact on a card or device are used to received ECG data which is processed to extract features of the ECG which are compared to a template for a user.

Assignee/Applicant
Abdulmotaleb El Saddik, Juan Sebastian Arteaga-Falconi, Hussein Al Osman

Link(s) to Patent
US Patent


Patent Title
Electronic Receiver Device Detection System and Method

Patent Number & Issued Date
Patent Number 9,689,964 Issue Date: June 27, 2017

Inventor Names
Jagannathan Sarangapani*, Maciej Jan Zawodniok*, Vivek Thotla, Mohammad Tayeb Ghasr*, Jake Hertenstein

Abstract
A super regenerative receiver detection system and method that includes a computing system that stores and executes a cross modulation correlation component to modulate a radio-frequency (RF) stimulation signal that is transmitted in an area using a modulating signal having a first modulating mode, and receive a response UEE signal from the area in which the response UEE signal includes a cross modulated signal emitted from a super regenerative receiver (SRR). The cross modulated signal having a second modulation mode that is different from the first modulation mode. Using this information, the cross modulation correlation component processes the received UEE signal to determine a cross modulation correlation level of a cross modulation signal relative to the modulating signal, and generates an alert signal when the determined cross modulation correlation level exceeds a specified threshold.

Assignee/Applicant
The Curators of the University of Missouri

Link(s) to Patent
US Patent


Patent Title
An Anomaly Detection Method of Condition Monitoring Data Flow Based on Improved Gaussian Process Regression Model

Patent Number & Issued Date
CN 201410216320.0
June 20, 2017

Inventor Names
Yu Peng, Jingyue Pang, Ge Song, Datong Liu*, Xiyuan Peng
*Indicates IMS member

Abstract
The present invention relates to an abnormality detection method for status monitoring data flow based on an improved method for detecting abnormality of status monitoring data flow based on an improved Gaussian process regression method. The present invention is to solve the problem that the existing method has the effect of detecting abnormality of monitoring data stream low. First, determine the sliding window size of historical data; Second, determine the type of mean and covariance functions; Third, set the initial value of the hyperparameter to [0-1] between the random number; Fourth, extract the current moment t q data; Fifth, determine the Gaussian process regression model; Sixth, the use of Gaussian process regression model of the nature of the forecast; Seven, calculate the t + 1 moment of the normal data PI; Eight, the monitoring data and PI comparison; The real monitoring data is marked as abnormal; 10, calculating β (xt + 1) corresponding to monitoring value at time t + 1; 11, adding real value or predicted mean value to t + 1 to DT; DT. The invention is applied in the field of network communication.

Assignee/Applicant
Harbin Institute of Technology

Link(s) to Patent
China Patent


Patent Title
System and method for non-contact assessment of changes in critical material properties

Patent Number & Issued Date
US9683954B2,
June 20, 2017

Inventor Names
Sreeram Dhurjaty

Abstract
A material signature detector that provides for the assessment of changes in critical material properties of materials such as pharmaceuticals and solutions is disclosed. The material signature detector is non-contact and non-invasive and provides the ability to detect unintended changes in the contents of a vial or other container during the fill-finish process, transport, compounding, or storage. The material signature detector uses a novel resonant electrical impulse spectroscopy circuit that employs quadrature demodulation at lower frequencies to detect changes in the capacitance and conductance (resistance) of the sample under test. A series of digital signatures are created at different frequencies to provide an overall assessment of changes in the properties of the material under test. These digital signatures may in turn be stored in an electronic library for subsequent analytics.

Assignee/Applicant
Sreeram Dhurjaty

Link(s) to Patent
US Patent


Patent Title
Airborne wireless data communication relaying unit surplus life prediction method and prediction device

Patent Number & Issued Date
CN201410588957.2
June 16, 2017

Inventor Names
Datong Liu*, Jingyue Pang, Jing Chen, Limeng Guo, Qi Li, Yu Peng
*Indicates IMS member

Abstract
Airborne wireless data communication relaying unit surplus life prediction method and prediction device relate to the Method and apparatus for of relaying unit surplus life prediction, the invention for solve current to the health status of airborne wireless data communication relaying unit diagnose and the change of the healthy factor of in-process foreseeed complicated, and there is the noise interference, therefore can not carry out quick accurate prediction to its health status, simultaneously, the original test data file specification of airborne wireless data communication relaying unit is in neat formation, can not directly carry out the problem of procesing. The said airborne wireless data communication relaying unit of invention surplus life prediction method includes: carry out the preliminary treatment to the test data; Carrying out the trend prediction of airborne wireless data communication relaying unit health status, acquireing the prediction time that the trouble takes place according to the trouble threshold value, the relaying unit remains the life-span promptly; The health status trend prediction is including direct healthy factor prediction and indirect healthy factor prediction; The invention is arranged in the Data transfer system.

Assignee/Applicant
Harbin Institute of Technology

Link(s) to Patent
China Patent


Patent Title
Frequency Meter

Patent Number & Issued Date
WO 2017089856A1
June 1, 2017

Inventor Names
Wilmar Hernandez, Carlos Calderon Cordova*, John Lanchi, Carlos Campoverde
*Indicates IMS member

Abstract
In one embodiment, a device for estimating frequency of the periodic signal includes a processor that receives a periodic signal and a periodic estimator module that is executable by the processor to estimate a length of a predefined number of cycles of the periodic signal with respect to a comparator signal to generate a length estimate for each of the predefined number of cycles, and store the length estimates. The periodic estimator module is further executable by the processor to sample the stored length estimates with replacement to generate resampled estimated vectors, and to calculate resample means for each of the resampled estimated length vectors, wherein each resample mean is the average of the length estimates in a respective resampled estimated length vector. The periodic estimator module is then executable by the processor to calculate a final periodic estimate of the periodic signal based on the resample means.

Assignee/Applicant
Universidad Tecnica Particular De Loja

Link(s) to Patent
WO Patent


Patent Title
Wireless data transmission equipment test data mining systems and method based on LabVIEW and a Matlab combined programming

Patent Number & Issued Date
CN201410471713.6
May 5, 2017

Inventor Names
Yu Peng, Jingyue Pang, Jing Chen, Tianyi Zhao, Datong Liu*
*Indicates IMS member

Abstract
Wireless data transmission equipment test data mining systems and method based on LabVIEW and a Matlab combined programming, the invention relate to test data mining systems and method, and the invention will solve that accurate discernment is hardly carried out to the cognation between the test data to the artifical identification method and draw and work load is great, use the graphic user interface of LabVIEW difficulty and Matlab easy and simple to handle, the figure is beautifully not as LabVIEW's problem, and the system includes that data pre processing module, parameter sequence draw module, waveform display module, grey correlation analysis module and Mining fuzzy association rules module; The system carryes out according to following step: 1 is retrencied the array; 2 pairs of double precision numerical value type numbers are according to carrying out the graphic display; 3 calculate the gloomy degree of association r*i of improvement; 4 express the rule with strong association rules array puts in order; 5 reach the correlation between the parameter sequence; The test data field of excavating is applied to in the invention.

Assignee/Applicant
Harbin Institute of Technology

Link(s) to Patent
China Patent


Patent Title
Sensor Data anomaly frame detection approach based on LS-SVM algorithm

Patent Number & Issued Date
CN201410422006.8
May 3, 2017

Inventor Names
Datong Liu*, Yu Peng, Ge Song, Jingyue Pang, Xiyuan Peng
*Indicates IMS member

Abstract
Sensor Data anomaly frame detection approach based on LS-SVM algorithm belong to aeronautics monitoring data anomaly detection. The invention is difficult to judge change or the abnormal problem that the short swings that appear or mode appear for the anomaly detection mode of solving current individual test point in the time series. The method includes: 1, set up required detection confidence probability p, detection lug segment length n, the minimum number m of abnormal dots in the passage, 2, from t0 constantly to the data in the time series length n carry out some anomaly detection confidence probabilities be p of LS-SVM algorithm. 3, based on the error and the point of anormaly points the positions of the abnormal points can be recognized. The method can be used in aero & space vehicles control field.

Assignee/Applicant
Harbin Institute of Technology

Link(s) to Patent
China Patent


Patent Title
Satellite failure diagnostic method based on the Adaptive Boosting (AdaBoost) algorithm

Patent Number & Issued Date
CN201410471743.7
March 29, 2017

Inventor Names
Yu Peng, Datong Liu*, Sijie He, Jingyue Pang, Xiyuan Peng
*Indicates IMS member

Abstract
Satellite failure diagnostic method based on the Adaptive Boosting (AdaBoost) algorithm belongs to satellite failure diagnostic techniques field. The invention has proposed the satellite failure diagnostic method based on the Adaptive Boosting (AdaBoost) algorithm for the fault diagnosis method of the present simple Bayes system problem to the less state of fault diagnosis capability weaker of number: be applied to present simple Bayes's fault diagnosis system with the Integrated algorithm Adaptive Boosting (AdaBoost) algorithm is equitable; After the training, the weights of change sample change the wrong numerical value of the incident type characteristic of sample that divides promptly, promote the concern degree of fault diagnosis system to the characteristic at every turn; Establish the corresponding relation matrix of new state and incident characteristic again, the trained classifier is new fault diagnosis classification ware with the Classifiers ensemble of training again. The invention is applicable to satellite failure diagnosis field.

Assignee/Applicant
Harbin Institute of Technology

Link(s) to Patent
China Patent


Patent Title
Reducing Rotational Vibration in Rotational Measurements

Patent Number & Issued Date
US 9,605,527 B2,
March 28, 2017

Inventor Names
Arcady Reiderman, Robert Estes*, Fei Le, Hanno Reckmann, Christian Herbig

Abstract
An apparatus for mitigation of torsional noise effects on borehole measurements. The apparatus may include a conveyance device; a sleeve having a sensor section, the sleeve rotatably disposed on the conveyance device; a sensor having at least one component disposed on the sensor section; and a driver coupled to the conveyance device and configured to rotate at least the sleeve sensor section. The driver may rotate the sleeve sensor section independent of the conveyance device. The driver may rotate the sleeve sensor section at a preset substantially constant rotational speed. The sleeve may include at least one arm configured to selectively lock the sleeve to a surface in the borehole. The driver may rotate the sleeve sensor section during measurement by the sensor. The driver may selectively couple the sleeve.

Assignee/Applicant
Baker Hughes Incorporated, Houston, TX (US)

Link(s) to Patent
US Patent


Patent Title
Local structure to maintain the global supervision of embedding complex system monitoring data visualization methods

Patent Number & Issued Date
CN201410325740.2
March 22, 2017

Inventor Names
Yu Peng, Junbao Li, Shan Yin, Datong Liu, Jun Liang
*Indicates IMS member

Abstract
The global supervision map of local structure maintenance is embedded in the visualization method of monitoring data of complex system and belongs to the technical field of complex system monitoring data processing. In order to solve the problems that the monitoring data of the existing complex systems are high in dimension, large in scale and difficult in visualization. The method comprises the following steps: collecting m-type n-dimensional monitoring data of a complex system, calculating the monitoring data with the same label information and the adjacent monitoring data, and obtaining the same weight matrix and the neighboring weight matrix of the monitoring data, And then obtains the diagonal matrix D and the Laplacian matrix L. Finally, the linear mapping matrix A is obtained according to the feature mapping formula to obtain the mapping of the m-type n-dimensional monitoring data xi in the visible two-dimensional or three-dimensional space, Visualize complex system monitoring data. The invention is used for visualizing the monitoring data of complex system.

Assignee/Applicant
Harbin Institute of Technology

Link(s) to Patent
China Patent


Patent Title
Online multi -parameter water quality analyzer

Patent Number & Issued Date
CN206002529U
March 8, 2017

Inventor Names
*Jun Xia; Zheng Ma; Jianlin Zhang; Fuguo Hao; Jian An; Zhaohui Yu
*Indicates IMS member

Abstract
The utility model discloses an online multi -parameter water quality analyzer, including secondary table and multiple sensor, this secondary table includes: bottom plate, special purpose interface board, generic interface board and display screen, multiple sensor includes one -parameter sensor, electrode and combined electrode and multi -parameter sensor, multiple sensor is received respectively on the corresponding interface board of secondary table, in this secondary table, this special purpose interface board, this generic interface board and this display screen are connected respectively to this bottom plate, and this bottom plate, this special purpose interface board and this generic interface board are connected respectively to this display screen. The utility model discloses the sensor of the arbitrary kind of optional inserts, is responsible for interface board and other circuit isolation that sensor interface gathered, and every kind of interface board is responsible for certain / the collection algorithm of type sensor, mark and the relevant parameter storage on corresponding the interface board, furthest reduces the cost of maring again and setting up.

Assignee/Applicant
Shandong Dongrun Instrument Science & Technology Co.,Ltd.

Link(s) to Patent
China Patent


Patent Title
A Satellite Fault Diagnosis Method Based on Naive Bayesian Algorithm for Discrete Data

Patent Number & Issued Date
CN201410395173.8
February 15, 2017

Inventor Names
Yu Peng, Datong Liu*, Sijie He, Jingyue Pang, Xiyuan Peng
*Indicates IMS member

Abstract
A satellite fault diagnosis method based on naive Bayesian algorithm for discrete data belongs to the field of satellite fault diagnosis technology. The present invention solves the problem of unbalanced existing non-fault samples and non-fault samples, resulting in low accuracy of satellite fault diagnosis, low stability and low efficiency of fault classification. The technical points are as follows: the statistics and preprocessing of satellite event type status monitoring data; the posterior probability of event features are determined; and the posterior probability of each state of satellite is calculated according to the posterior probability of event feature, and the statistical matrix is transformed into the probability matrix; Determine the posterior probability of the satellite state; determine the prior probability of the fault; adjust the prior probability of each fault type to achieve a reasonable balance between the false detection rate and the missed detection rate of the fault diagnosis method; determine the posterior probability of the fault, The type of the fault with the highest probability of detection is the type of fault diagnosed in this state. The invention is directed to discrete data and is applicable to the fault diagnosis of complex systems such as satellite.

Assignee/Applicant
Harbin Institute of Technology

Link(s) to Patent
China Patent


Patent Title
Method and Device for Impedance Analysis with Binary Excitation

Patent Number & Issued Date
EE05788 / US 2016305996
February 15, 2017

Inventor Names
O.Martens*, R.Land, M.Min* , P.Annus*, M.Reidla
*Indicates IMS member

Abstract
The object of the invention is a method and device for impedance analysis with binary excitation, with improved accuracy, where the nonidealities of the sampling and preprocessing of the response signal (including aliasing effects) are taken into account by using of the overall system model with equivalent circuit diagrams of the analyzed object and the model of the preliminary analysis of the response signal. The result of the analysis is the equivalent circuit diagram with component values with the best match of the overall model analysis and of the preliminary analyze of the response signal. Further, the result of the analysis can be the impedance frequency response or the classifier of the analyzed object.

Assignee/Applicant
Tallinn University of Technology; Eliko CC Ltd

Link(s) to Patent
Estonian Patent / US Patent


Patent Title
A sun Model evaluation method that has the Sun Sensor simulator of CAN- Bus interface and adopt the simulator to realize

Patent Number & Issued Date
CN201410668261.0
February 1, 2017

Inventor Names
Guangquan Zhao, Qijia Tang, Datong Liu*, Huayi Li, Shuai Xu, Xiaochun Sun, Qiangqiang Ge
*Indicates IMS member

Abstract
A sun Model evaluation method that has the Sun Sensor simulator of CAN- Bus in- terface and adopt the simulator to realize belongs to satellite simulation test field. Can not be direct mutual with the spaceborne computer in order to solve the Sun Sensor simulator that the tradition gives first place to with the analog quantity electrical characteristics, need carry out corresponding AD conversion at the signal processing unit, the transmission speed is slower, just can only process set model, does not possess according to real-time condition parameter replacement problem. The dynamic calculation machine pours into periodic data to S_RS485 Data Analysis module into and carries out the Data Analysis, by the analytic sunny vectorial data of S_RS485 Data Analysis module, erupts simultaneously and sends data processing module processing back to, send the DSP through the FPGA_DSP interface module and carry out the Model evaluation, and rethread FPGA_DSP interface module returns for the data processing module resolving as a result, and send away through the ACAN interface module. It mainly is used in satellite simulation test field.

Assignee/Applicant
Harbin Institute of Technology

Link(s) to Patent
China Patent