397results about How to "Safe and reliable control" patented technology

The invention discloses a super capacitor-based electric automobile hybrid power control system. The system comprises a super capacitor, a power storage battery, a motor, a motor driving control device, a vehicle-mounted measuring unit, a first bidirectional direct current (DC)/DC converter and a second bidirectional DC/DC converter, wherein the motor driving control device is connected with the motor; the vehicle-mounted measuring unit is connected with the motor driving control device through a controller area network (CAN) bus; the first bidirectional DC/DC converter is connected between the super capacitor and the motor driving control device; and the second bidirectional DC/DC converter is connected between the power storage battery and the motor driving control device. Through the system, the super capacitor provides high-power current when an electric automobile is started and accelerated and climbs, so that the power performance of the entire automobile is enhanced; instant heavy current generated by a generator is quickly stored during braking; the braking feedback energy is absorbed; the energy is saved; and the cyclic service life of the storage battery is prolonged. By using the system, the power performance and the economy of the electric vehicle are improved, the storage battery is protected, and the stability of the system is enhanced.

The invention discloses an intelligent wheelchair dynamic gesture recognition method based on Kinect depth information and relates to the field of intelligent wheelchairs. A method of dynamic gesture recognition based on Kinect depth image information is adopted, and the intelligent wheelchair dynamic gesture recognition method has strong expansibility, can solve problems of influence on gesture detection caused by complex backgrounds, large-area skin color interference and the like and can accurately and effectively separates hands. Subsequently, a method combining Camshift and Kalman filtering is adopted to fast and effectively track gestures, a fused feature extraction method is adopted, and accuracy of dynamic gesture recognition is improved. When the intelligent wheelchair dynamic gesture recognition method is applied to an intelligent wheelchair control system based on dynamic gesture recognition, fast and accurate dynamic gesture command recognition can be achieved, the intelligent wheelchairs can be safely and stably controlled, and the natural and visual man-machine interaction mode between people and the intelligent wheelchairs is achieved.

A safe lander consists of a flight airplane, transducer multi-path multiplexing receiver and emitter set on said airplane, digital processor/computer of land based simulator, flight control unit of land based airplane simulator, remote navigation electronic interface unit, land based airplane simulator, unique airplane identification ID and configuration unit, analysis unit of land based processing station, two-way RF communication unit of space to ground and ground to space, and remote pilot display set on land based simulator.

The invention discloses an indoor wall 3D putty printing leveling treatment method based on an indoor construction intelligent robot. The method comprises the following steps: step 1, to-be-processedwall surface pretreatment, step 2, planning a processing path of an intelligent mechanical arm; step 3, automatic spraying processing: when the intelligent robot or the mechanical arm is positioned toa corresponding processing station point, high-precision measuring equipment measuring the positioning error and the attitude error between the center line of a base and a design base point, and measured data comprising X-axis, Y-axis and Z-axis displacement deviations and deflection inclination angle deviations based on the X axis, the Y axis and the Z axis; uploading the measured data to a control program of the intelligent robot or the robot arm, and correcting the initial position and posture of the intelligent robot or the robot arm as a basic coordinate correction variable; the intelligent robot or the mechanical arm executing a processing program according to the corrected processing codes to complete corresponding processing actions; and step 4, grinding, polishing, deburring anddefect repairing. The method has the outstanding characteristics that the process cost is low, large-scale building interior decoration application is easy to realize, the application is flexible, andthe construction is quick.

The invention relates to a composite vertical take-off/landing aircraft, comprising a body (8), a rotor/wing (1) capable of being switched into a rotor state or a fixed wing state, a locking device for locking the rotor/wing, a duck-type front wing (3) and a horizontal tail wing (2), wherein the duck-type front wing comprises a left front wing and a right front wing; the horizontal tail wing comprises a left tail wing and a right tail wing; the aircraft further comprises an attitude control device, which consists of four groups of attitude adjusting devices (4), a speed adjustor module (9), a flight control system (6) and a power module (5); each attitude adjusting device (4) consists of a motor (4a) and a propeller (4b) connected with the motor through power; and the four groups of attitude adjusting devices are respectively arranged on the left front wing, the right front wing, the left tail wing and the right tail wing. The attitude control device independent from the rotor/wing solves the problem of cross coupling of flight control, so that the flight control during conversion of a lift production mechanism is more stable.

The invention discloses a crawler crane moment limiting system, which comprises a sensor part, a display part and a main control box which is connected between the sensor part and the display part. The main control box has a modular independent board structure. A main controller is arranged in the main control box; and a crane moment processing system is arranged in the main controller. The crane moment processing system can acquire an accurate limited moment of a crane and a protection signal according to a mathematical model and a load curve of the crane. Peripheral modules can be freely expanded by using the main controller as a core. Therefore, the aims of strong extensibility, flexible use, convenient installation and maintenance, good universality, high reliability and more accurate and safer control are fulfilled.

The invention provides an automatic passing phase separation control device and a passing phase separation control system for multi-locomotives. The automatic passing phase separation control device comprises a phase separation section functional position signal receiving unit (10) for receiving and recognizing a phase separation section functional position signal, a level acquiring unit (20) for acquiring a level signal of a control handle, and a passing phase separation control unit (30) for receiving the phase separation section functional position signal from the phase separation section functional position signal receiving unit (10) and receiving the level signal from the level acquiring unit (20), outputting a level control signal based on the pulse width modulating form of the level signal according to the received functional position signal to control lifting of the level, and outputting a secondary control signal and a main circuit breaker on/off control signal to respectively control starting and shutting of a secondary machine and the switch off and switch on of the main circuit breaker. The passing phase separation device and system are beneficial to stably finish passing phase separation processes of a single locomotive and the multi-locomotive.

The invention discloses a method and a mobile terminal for controlling a device remotely by image identification. The method comprises: collecting an image; matching the collected image with a preset image sample; transmitting a control instruction to a controlled device when the collected image matches with the preset image sample successfully. The method and the mobile terminal for controlling the device remotely by image identification provided by the invention can control the controlled device by image identification technology and increase the security of the mobile terminal.

The invention relates to an open winding motor system and a drive circuit and belongs to the technical field of opening winding motor control. Redundant bridge arms and redundant inductors are set inthe drive circuit. When an open circuit fault occurs in certain phase of winding or certain bridge arm, the fault winding or bridge arm stops working, the redundant inductors and the redundant bridgearms are put into operation, and fault-tolerant control is realized. Even under fault condition, a connection method of motor windings is not limited, and a switching drive signal originally sent to the fault bridge arm is forwarded to the redundant bridge arms, so the control is simple, secure and reliable. Even if the fault occurs in certain phase, the circuit still can be operated normally, normal drive is realized, and reliability of an inverter circuit is improved.

The invention relates to a high-speed magnetic levitation linear electromagnetic propulsion system and belongs to the electric motor field. The invention aims to solve the problem of serious magneticflux leakage due to the openness of a magnetic field and the problems of small levitation height, large levitation control difficulty and high requirements for lines of a normal conducting magnetic levitation technology due to large weight of vehicles. The high-speed magnetic levitation linear electromagnetic propulsion system of the invention a primary unit and a secondary unit; the primary unitis mounted on the ground, is of a bilateral structure and is arranged symmetrically on the left side and right side of the secondary unit; air gaps are left between the primary unit and secondary unit; the primary unit comprises a levitation guide primary unit and a propulsion primary unit; each primary structure at each side of the propulsion primary unit includes a primary coil and a primary substrate, wherein the primary coil is fixed at the inner side of the primary substrate; each primary structure at each side of the levitation guide primary unit includes an upper conductor plate and a lower conductor plate, wherein the upper conductor plate and the lower conductor plate are juxtaposed in a vertical direction; the propulsion primary unit is arranged between the upper conductor platesand the lower conductor plates; two columns of magnetic poles of the primary unit are respectively fixed at two sides of a skid; and each column of magnetic poles simultaneously serves as levitationguide magnetic poles and propulsion magnetic poles.

The invention discloses an implementation method for one-to-multiple virtualization of an OPENFlOW switch. The method comprises the following steps: utilizing BOOTROM to realize virtualization, conducting software version isolation, hardware virtualization and flow table virtualization to realize one-to-multiple virtualization of the OpenFlow switch. The implementation starts from a control surface, a management surface and a forwarding surface to implement virtualization function of the OpenFlow switch under an SDN (Software Defending Network) architecture and enable an SDN controller to monitor different OpenFlow switch nodes, and each independent device can be provided with different software versions, different OpenFlow secure channel connection, different OpenFlow flow tables, different configuration and different hardware resources, so that the network deployment and management are more flexible, and equipment control is safer.

The invention discloses a method and a mobile terminal for realizing the remote control of equipment through audio recognition. The method comprises the following steps of: acquiring audio; matching the acquired audio with a preset audio sample; and sending a control instruction to the controlled equipment when the acquired audio and the preset audio sample are matched successfully. The method and the mobile terminal for realizing the remote control of the equipment through audio recognition can control the controlled equipment through the audio recognition technology, and the safety of the mobile terminal is increased.

The invention provides a real-time data system of industrial big data and an operation method. The system comprises a data acquisition module, a database module, a real-time report module, a trend monitoring module and a background program monitoring module. According to the invention, a real-time data format processing technology and a database technology are combined; an improved phased linear data compression algorithm and an improved B + number data index algorithm are used. The information technology of the real-time database system is sent to the enterprise, and a unified and comprehensive enterprise-level real-time database service platform is provided for the enterprise, so that real-time dynamic monitoring and analysis of the management decision process of the enterprise can be realized, the operation condition of the enterprise can be improved, problems can be timely discovered, the production cost can be reduced, and the product quality can be improved.

The invention discloses a method for controlling a limited area and equipment. The method comprises the following steps that: an area server presets an area identifier of the limited area, an association relationship and package application; the area server establishes two-way communication with area mobile terminals and/or controlled equipment in the limited area according to the area identifier, the association relationship and/or the package application; the area server calls the package application and controls the controlled equipment in the limited area through the two-way communication; or, the area server authorizes the area mobile terminals to control and synchronize the package application through the two-way communication, and authorizes the area mobile terminals to control the controlled equipment in the limited area, which corresponds to the package application, according to the package application. According to the area identifier, the association relationship among identifiers and the package application in correspondence to the controlled equipment, the equipment in the limited area can be safely and easily controlled.

The invention discloses a TCSC optimal configuration method based on probabilistic load flow control. The TCSC optimal configuration method is applied to an electric power system and is characterized by including the following steps of acquiring original data, acquiring uncertain factor values, conducting sampling and load flow calculation on the uncertain factor values, acquiring the load rates of all branch circuits, selecting the branch circuits with the load rates exceeding heavy load rates to be used as the branch circuits for mounting TCSCs, obtaining series compensation branch circuits, establishing an improved optimal load flow model, conducting sampling and optimal load flow calculation on the uncertain factor values again, acquiring the optimized values of TCSC reactance values, and mounting the TCSCs with the reactance values being the optimizing values at the series compensation branch circuits. Accordingly, the TCSC optimal configuration method is achieved. According to the TCSC optimal configuration method, the influence of uncertain factors in the electric power system can be considered more comprehensively, the load flow of the electric power system can be controlled more effectively, and therefore the safe operation of the electric power system can be better facilitated.

The invention discloses a semi-supervised learning industrial process soft measurement modeling method based on evolutionary optimization. The method is used for solving the problem of low predictionperformance precision of a traditional soft measurement model caused by less label data acquisition and rich label-free data in the industrial process. Pseudo-label estimation is carried out on randomly selected samples in unlabeled data in an evolutionary optimization mode, the obtained pseudo-label data is added into the labeled data, hybrid modeling is carried out through Gaussian process regression, and the performance of a traditional soft measurement model is effectively improved. Besides, small-batch random selection optimization is performed on the label-free data so as to bring diversified pseudo label data optimization results, and the prediction accuracy and stability of the model can be further enhanced through the idea of fusion ensemble learning so that control and monitoringof the industrial process are enabled to be safer and more reliable.

The invention relates to an electronically controllable pneumatic brake system (100), comprising: at least two brake circuits (A, B, C), wherein at least one of the at least two brake circuits (A, B,C) is assigned an electrically and pneumatically controllable control valve (11, 13) for specifying brake pressures (p1, p2, p3, p4, pPB) for controlling wheel brakes (1, 2, 3, 4) of the associated brake circuit (A, B, C); and a first control unit (110), which is designed to electrically control the control valve (11, 13) in question in accordance with a vehicle target deceleration (zSoll) requested in an automated manner or in accordance with an actuation (ds) specified by the driver by means of an actuation device (24a). According to the invention, at least one bypass valve (21) associated with a control valve (11, 13) is also provided, which bypass valve is designed to pneumatically (pA, pB) control the associated control valve (11, 13), wherein the pneumatic control (pA, pB) is performed in accordance with the vehicle target deceleration (zSoll) requested in an automated manner or in accordance with the actuation (ds) specified by the driver.

The invention discloses a vehicle cleaning machine profiling control method and apparatus based on machine vision. An intelligent clearing supplement control function is employed, vehicle body images are acquired and processed by use of an image processing system so as to determine whether a vehicle is well cleaned, if cleaning requirements are not met, an intelligent clearing supplement control program is activated, and a control system carried out cleaning supplement operation. According to the invention, the cleaning quality is improved, an intelligent washing intensity control function is realized, vehicle cleanliness data is acquired by a CCD pick-up head, and the data is taken as a basis of washing intensity control; and for dirty positions of a vehicle body, a control brush is closer to the vehicle body for washing, at the same time, the discharge rate of a cleaning agent and water spray pressure are correspondingly increased, the cleaning intensity is increased, and otherwise, the cleaning intensity is reduced.