212 results about "Mobile sensing" patented technology

Mobile monitoring systems and methods are disclosed. In accordance with one aspect of the invention, the system includes a plurality of vehicles and a base communication station that are in communication with each other. Each of the vehicles includes a camera that generates image data, a location device that generates geographic coordinates of the vehicle, a computing device that receives the image data from the camera and the geographic coordinates of the vehicle and forms a processed image signal that includes the image data, the geographic coordinates and a time stamp, and a communication device that receives the processed image signal from the computing device and wireless transmits the processed image signal to the base communication station. The base communication station receives the processed image signal. The base communication station can include an image processor to further process the processed image signal from each of the plurality of vehicles to form an output signal and a transmitter that transmits the output signal. The output signal can be used to control traffic control devices, vehicles and to provide other useful information.

A distributed sensor networks employing mobile sensing nodes that are carried to desired locations by attaching themselves to moving hosts and detaching themselves when the host arrives at the desired location or is moving away from the desired location. Each sensing node may carry a plurality of environmental sensors and communicates with nearby sensing nodes using a short range wireless link. The node further carries a location sensing mechanism and uses either active, passive or attractive means to attach itself to a moving host.

Mobile monitoring systems and methods are disclosed. In accordance with one aspect of the invention, the system includes a plurality of vehicles and a base communication station that are in communication with each other. Each of the vehicles includes a camera that generates image data, a location device that generates geographic coordinates of the vehicle, a computing device that receives the image data from the camera and the geographic coordinates of the vehicle and forms a processed image signal that includes the image data, the geographic coordinates and a time stamp, and a communication device that receives the processed image signal from the computing device and wireless transmits the processed image signal to the base communication station. The base communication station receives the processed image signal. The base communication station can include an image processor to further process the processed image signal from each of the plurality of vehicles to form an output signal and a transmitter that transmits the output signal. The output signal can be used to control traffic control devices, vehicles and to provide other useful information.

A distributed sensor networks employing mobile sensing nodes that are carried to desired locations by attaching themselves to moving hosts and detaching themselves when the host arrives at the desired location or is moving away from the desired location. Each sensing node may carry a plurality of environmental sensors and communicates with nearby sensing nodes using a short range wireless link. The node further carries a location sensing mechanism and uses either active, passive or attractive means to attach itself to a moving host.

One embodiment of the present invention provides a system that locates a set of target transmitting mechanism using a mobile sensing infrastructure. During operation, the system determines a reference frame of a sensing mechanism by detecting signals from at least two transmitting mechanisms. The system further determines locations of the target transmitting mechanism relative to the reference frame using the sensing mechanism. In addition, the system produces a result to indicate the locations of the target transmitting mechanisms.

Airborne meteorological radars and related networks and models. In one embodiment a network for creating a meteorological model includes a mobile sensing node and a modeling node. The sensing node includes a meteorological RADAR that senses the wind velocity. Data from the meteorological RADAR regarding the wind velocity is received by a processor of the modeling node which determines a model of the wind from the wind velocity. The modeling node combines data from a second sampling node with the data from the first sampling node to create a resultant wind velocity vector. Preferably, the modeling node and the sampling node(s) communicate over an airborne WAN. Another embodiment provides a method of measuring the wind velocity. The method includes steering an RADAR signal out of the plane of travel of the mobile platform. The wind velocity is measured using a return of the RADAR signal.

The invention proposes an energy storage power station battery management system having an intelligent fire early-warning function and an early-warning method, which are applicable to management of a container-type energy storage power station. The system comprises a power battery pack, an intelligent fire early-warning module and a battery management module, wherein the battery management module is connected with the power battery pack and the intelligent fire early-warning module, the intelligent fire early-warning module is arranged in a pre-fabricated bind at a fixed point and is used for performing mobile sensing and detection, the detected sensor information is sent to the battery management module, the battery management module is used for acquiring a voltage and a temperature of the battery and analyzing and judgment by combining the sensor information transferred from the intelligent fire early-warning module, and warning or fire extinguishing device is started when a preset early-warning condition is met. The battery management system employs a three layer control framework, fire extinguishing can be performed within first time when a fire occurs, and by minimum unit interference control, omnibearing and safe monitoring and management of the energy storage battery are achieved.

The invention provides a method for discovering a community structure oriented to a directed-weighting network. The method comprises the following steps: constructing the directed-weighting network based on the inter-node social relationship weight and direction; converting the directed-weighting network into an undirected-weighting network; initializing a network topology, and constructing a weight matrix; normalizing the matrix and calculating community discovery decision factors which specifically comprise node liveness, community relationship intensity, community density and community coupling degree; partitioning the network community based on the community discovery decision factors. The method can be used for rapidly discovering and construction the network community under a mobile, hetergeneous and dynamic environment, providing credible service links for users, realizing mobile sensing service credibility interaction, further improving the mobile sensing service and finally providing high-quality, diversified and customized group intelligent sensing service for the user.

The invention discloses a mobile sensing system for user privacy protection and data reliability, and a mobile sensing method thereof. The method comprises the following steps: performing system initialization; registering a mobile user, obtaining a sensing task request token from an administrator; performing anonymous user authentication and task allocation, and returning task authorization / refusal information by a platform; performing anonymous report of user sensing data and trust evaluation, and feeding back certificate information by the platform; performing certificate submission and reward allocation, submitting all certificates by the user and obtaining corresponding rewards; and updating the credibility of the user. According to the mobile sensing method, on the premise of protecting the privacy of the legally participating users, the malicious behaviors of abusing the privacy protection mechanism by malicious users are handled, more participates are activated to submit morereliable sensing data by the reward and credit evaluation mechanism so as to provide a safe, reliable and effective mobile sensing system.

The invention relates to an indoor positioning method applied to a mobile sensing network. The precision of the positioning method is improved by fully utilizing the mobility of nodes so as to overcome the shortcomings in the prior. The mobile node positioning method comprises the following steps of: 1) setting the position of an anchoring node; 2) setting the positions of the mobile nodes, and estimating the initial positions of the nodes; 3) forecasting; 4) filtering, and repeating the step 3) and the step 4) to reselect forecast points and to refilter till finding enough points meeting requirements if the number of samples in a filtered position sampling set meeting the requirements is less than N; and 5) correcting the positions, namely correcting the estimated positions of the nodes, to obtain the corrected estimated positions of the nodes. The method has the beneficial effects that the node mobility and the correlations among the nodes in the mobile sensing network are fully utilized to put forward the novel method which is used for determining the positions of the mobile nodes in the mobile wireless sensor network and mainly used for realizing the self-positioning of the nodes in the mobile sensing network in an indoor environment; and due to the method, extra hardware is not added to the sensor nodes, and the positioning precision and the positioning instantaneity of the sensor nodes can be improved.

A remote sensory device used in conjunction with a handheld device , such as a PDA (Personal Data Assistant) that utilizes its various computational and telephonic properties as well as other features such as its; short-wave transceiver, display and human interface, electrical power, texting, internet and web browsing capabilities The sensory device utilizes a variety of sensors both individually and in combination to detect physical phenomenon, such as temperature, humidity, gases, radiation, sounds, light, object proximity ,and the like and convert them into an electronic signal that can be interpreted, analyzed, stored and transmitted by the hand-held device and presented to the user. The remote sensory device may be stand alone or imbedded into a case suitable for the PDA and may transfer the data either through a radio means or through a direct electrical connection.

Devices for cost-effectively performing in-vitro diagnostic chemical analyses at multiple distributed locations within a medical institution are disclosed. One object of this invention is to provide a network of distributed sensory devices that acquire sensor signals from blood specimens and deliver those signals through a connect on to a central location for analysis by a general-purpose computer and generation of an analysis result. The analysis result is then sent to numerous locations on a network for display, including also possibly back to the location of signal acquisition. Cost-effective mobile sensing devices are also disclosed. The present system includes blood-sensor signal acquisition devices distributed throughout the hospital. The sensory signal-acquisition devices are card readers that acquire raw sensory signals from diagnostic cards inserted therein. These diagnostic cards are smart card-like devices modified for blood collection that contain sensory elements such as electrodes adapted to provide a raw sensory signal. The signal acquisition devices are modified smart card readers, which acquire the raw sensory data from an inserted smart card through a standardized contact arrangement and provide the raw data to data processing devices such as data acquisition cards. The system includes multiple remote ports for acquiring blood sensor signals. One or more card reader, when connected to a mobile general-purpose computer, can be converted into a complete mobile blood analyzer.

The invention discloses a routing method for supporting a random moving mobile sensing network. By using a clustered routing algorithm, a cluster head is selected and is not changed after being changed. The position of each node is determined through a global position system (GPS), the radius of each node is monitored, the sensing range of each node is calculated, overlapped nodes within the sensing range are determined as spare cluster head nodes, and when energy of cluster head nodes is reduced to be at a preset threshold value, the cluster head nodes transmit information to notify the spare cluster head nodes to work instead of the cluster head nodes, an open shortest path protocol is adopted in a stable transmission stage, and loads can be effectively balanced. When a mobile node enters a sensing area of the mobile sensor network, the geographical position, the moving speed and the moving direction information are transmitted in a flooding mode, and a cluster which the moving node is added into is determined according to a score value calculated by the cluster head.

The invention discloses an airplane noise monitoring, covering and optimizing method and an airplane noise monitoring, covering and optimizing device using a mobile sensor network, belonging to the field of civil aeronautical facility. The method comprises the steps of: using gathering nodes and mobile sensing and monitoring nodes in a monitoring area; collecting position information of mobile sensing and monitoring nodes with an original state by the gathering nodes; sending the position information back to a central processing computer; establishing a corresponding monitoring area model by the central processing computer according to an actual demand of the noise monitoring area, and simulating virtual movement of the mobile sensing nodes by using an optimal covering algorithm so as to complete layout optimization of optimized sensor nodes; after the central processing computer completes an optimization algorithm, transmitting the optimized position information to the corresponding gathering nodes; and sending an instruction through the gathering nodes, thus moving the mobile sensing nodes to the optimized positions according to the instruction, and completing the covering optimization of the monitoring area. The method and the device provided by the invention have the characteristics of strong self-adaption, resource conversation and rapid optimization speed.

The invention is a predictive analysis system. The predictive analysis system analyzes one or more sensed signals automatically to predict various sensor states, or otherwise generate one or more actionable predicted tasks. The system is comprised of one or more sensors and / or processors coupled to a network. Sensor signals may indicate safety or power conditions for urgent or emergency response, or device configuration such as a locked door or turned on coffee pot. A sensor array is installable in residential or commercial structures to sense residential or building real-time conditions or embodied in vehicle or remote application accessible for mobile sensing. Further, the predictive analysis system uses sensor states to predict the needs of proximate individuals and delivers targeted advertisements according to the needs of the individuals.

Techniques for airflow analysis are provided. In one aspect, a mobile sensing device is provided. The mobile sensing device includes an airflow sensing system having a plurality of airflow sensing units arranged in a grid. Each airflow sensing unit includes a first air passage that contains at least one first airflow sensor; a second air passage perpendicular to the first air passage, wherein the second air passage contains at least one second airflow sensor; and a third air passage perpendicular to the first air passage and the second air passage, wherein the third air passage contains at least one third airflow sensor.

Methods, systems, and devices are disclosed for implementing mobile sensing of non-speech sounds from a human. In one aspect, a mobile sensing system includes a microphone to capture a diverse set of body sounds while dampening external sounds and ambient noises, wherein the captured diverse set of body sounds are not speech. The mobile sensing system includes a micro-controller in communication with the microphone to perform an algorithm for signal processing and machine learning using the captured diverse set of body sounds.

Disclosed is an optical image stabilizer for a camera module using polymer elements which can be moved in a first direction and a second direction in the vicinity of the camera module. The optical image stabilizer includes an upper housing and a lower housing; a printed circuit board having an image sensor; a lens frame having a camera lens retained within the lower housing; first and second drivers disposed in the vicinity of the lens frame for moving the lens frame in first and second directions, respectively; and a movement sensing controller provided within the lower housing for sensing the amount of movement of the lens frame on the basis of the magnitude of a shaking of the camera module, so as to control the lens frame.

A screen controller of intuitive type is prepared for using mobile inductor to generate at least one acceleration data, coupling processor with said mobile inductor for utilizing said acceleration data to generate at least one movable speed data of electronic unit and for utilizing said movable speed data to regulate screen image of said electronic unit in omnibearing and variable-speed mode.

The invention relates to intelligent system and method for turning off an alarm clock on a cell phone, wherein a traditional mode and an intelligent mode provided with a mobile sensing apparatus are included. In the invention, the mobile state of the cell phone is fed back or the user operating state is detected by the mobile sensing apparatus to automatically turn off the alarm clock on the cell phone or turn on the forced continuous ring to wake up the user, thereby simplifying the operation of the user and ensuring the reminding function of the alarm clock effectively, and the cell phone is more personalized in use.

The invention discloses a mobile sensing intelligent payment system which comprises a terminal identity information collection module and a background data processing center. The terminal identity information collection module and a background data processing center are used for respectively triggering a user information extraction process at proper time slots successively to extract mobile terminal identity information corresponding to passengers and finally acquiring travel path for expense calculation. Paths actually taken by the passengers are effectively judged to acquire needed expense by combining with before-later sensing on the passengers during traveling in the scheme, and the passengers do not need to swipe cards on or insert coins into conventional gate machines to determine starting stations and destination stations, so that the passengers can experience the whole journey freely and quickly. The mobile sensing intelligent payment system is also suitable for commuting among cities and monthly or annually ticket traveling and can serve as an automatic charging payment system.

Two suspended masses are configured so as to be flowed by respective currents flowing in the magnetometer plane in mutually transversal directions and are capacitively coupled to lower electrodes. Mobile sensing electrodes are carried by the first suspended mass and are capacitively coupled to respective fixed sensing electrodes. The first suspended mass is configured so as to be mobile in a direction transversal to the plane in presence of a magnetic field having a component in a first horizontal direction. The second suspended mass is configured so as to be mobile in a direction transversal to the plane in presence of a magnetic field having a component in a second horizontal direction, and the first suspended mass is configured so as to be mobile in a direction parallel to the plane and transversal to the current flowing in the first suspended mass in presence of a magnetic field having a component in a vertical direction.

The invention discloses a pressure sensor and a cooking utensil with the same. The pressure sensor comprises a sensor body, a flexible seal piece, a moving part, sensing parts and a controller. A pressure cavity with an open end is defined inside the sensor body, and an air hole communicated with the pressure cavity is formed in the sensor body; the flexible seal piece is arranged at the open end of the sensor body to close the open end, and arranged to deform toward the interior of the pressure cavity when outer side air pressure of the open end is larger than air pressure inside the pressure cavity; the moving part is arranged on the flexible seal piece and moves along with deformation of the flexible seal piece; the sensing part is arranged to adapt to sense the displacement of the moving part; the controller is connected with the sensing part to calculate the outer side air pressure at the open end according to the displacement information sensed by the sensing part. According to the embodiment of the pressure sensor, the structure is simple, circuits are simple, the structure of an installation carrier and the assembly process of the pressure sensor are easily simplified, pressure values under application conditions can be detected, and using is safe.

The present invention discloses a parking space lock device and a parking lot system. The parking space lock device comprises a parking space lock body, an image acquisition component, a control component, a driving component and a vehicle moving sensing component; the vehicle moving sensing component is used for sensing a first condition in which a vehicle approaches a parking space, generates a first instruction and transmits the first instruction to the control component; the control component is used for controlling the image acquisition component according to the first instruction to make the image acquisition component turned on and acquire vehicle license plate information; and the control component is also used for controlling and making the driving component unlock the parking space lock body when the acquired vehicle license plate information is matched with preset license plate information. With the parking space lock device adopted, parking spaces can be effectively managed, and other vehicles can be prevented from occupying the parking spaces. The parking lot system has higher security and is easier for users to park.

The invention relates to a method for optimizing a mobile application by utilizing an access cost model of an API (Application Programming Interface) of an Android system. Firstly, an access cost model which is used for an MSA (Mobile Sensing Application) to access a Sensing API on a specific intelligent mobile phone platform is measured by utilizing a power consumption measurement tool and a Sensing API testing program; then an energy consumption optimization access interface is provided on the basis of the access cost model, is marked as an Sensing API* and is enabled to replace the corresponding Sensing API; and the MSA accesses sensing data by the Sensing API* to reduce energy consumption of the system. By the method for optimizing the mobile application on the basis of the access cost model of the API of the Android system, which is provided by the invention, energy consumption cost of the mobile sensing application can be effectively reduced; and meanwhile, a Sensing API redirection mechanism implemented by code instrumentation enables the method disclosed by the invention to have wider applicability.

The invention discloses a data transmission method and a data transmission device which are applied to gateway equipment comprising a transmission interface supporting data with at least two different formats. The data transmission method comprises the steps of acquiring sign data, which is acquired and transmitted by at least one mobile sensing device, of a user through the transmission interface; determining a sign data type of the acquired sign data, a sign data format corresponding to the sign data type and a transmission protocol for transmitting the sign data; and converting the determined sign data format into sign data with a set data format according to the determined sign data type, the sign data format and the transmission protocol and transmitting the sign data to a mobile health service platform. The data transmission method can well solve a problem that different types and different formats of sign data acquired by mobile sending devices provided by different manufacturers are uploaded to the uniform mobile health service platform, and is high in applicability.

The invention relates to a method for realizing an intelligent residential district system on the basis of RFID (radio frequency identification) in a wireless sensor network, which is characterized in that the system is formed by an RFID sensor node, a mobile reader, a wireless sensor network gateway, mobile terminal equipment, system software and terminal software. The sensor node and mobile sensing equipment acquire label information by the RFID reader; then data is transmitted to wireless sensor network gateway equipment by a wireless sensing module; the gateway equipment transmits the data to the terminal equipment through an infrastructure network by realizing seamless handover between the wireless sensor network and the Ethernet as well as a wireless local area network; in the coverage area of the wireless network, all relative mobile equipment, such as a PDA (Personal Digital Assistant) and an intelligent mobile phone, can be conveniently and rapidly used to acquire required information; and finally, the intelligent residential district system on the basis of RFID in the wireless sensor network is realized.

The invention discloses an electric toothbrush as well as a control device and method thereof. The control device of the electric toothbrush comprises a touch sensing module and a mobile sensing module, wherein the touch sensing module is used for sensing the human body in real time and generating touch sensing information when detecting that the human body touches the touch sensing module to allow a processing module to control the electric toothbrush to start; the mobile sensing module is used for acquiring mobile information of the electric toothbrush in the space position in real time and generating mobile sensing information when detecting that the mobile information conforms to set mobile parameters to allow the processing module to control a brush head of the electric toothbrush to rotate and / or vibrate. With the adoption of the technical scheme, the problems that electric toothbrushes have potential water leakage risks and are complex and tedious to operate and toothpaste water stains splash during starting are solved, and integration, operation simplicity and intelligence of the electric toothbrush are realized.

The invention discloses a robot moving platform and mobile sensing method, which is characterized by the following: adopting mutually vertical omnidirectional wheel mode and magnetic sensing mode to monitor the moving condition of mobile platform; calculating position, speed, angular position and angular speed of moving platform through signal processing device.