50results about How to "Reduce Control Latency" patented technology

Methods and systems are provided for a boosted engine having a split intake system coupled to a split exhaust system. Aircharges of differing composition, pressure, and temperature may be delivered to the engine through the split intake system at different points of an engine cycle. In this way, boost and EGR benefits may be extended.

Methods and systems are provided for a boosted engine having a split intake system coupled to a split exhaust system. Aircharges of differing composition, pressure, and temperature may be delivered to the engine through the split intake system at different points of an engine cycle. In this way, boost and EGR benefits may be extended.

The present invention relates to a mobile wireless communication system including a base station and a mobile station, and has an object to obtain a communication system capable of reducing power consumption at the mobile station without increases in processing delay and complexity of the device. To attain the above object, a base station (1) transmits control information on the number of to-be-received HS-SCCHs to a mobile station (2) through an HS-PDSCH without making the control information go through a process by an RRC layer process block (901). The mobile station (2) changes settings on the number, of to-be-received HS-SCCHs based on the control information on the number of to-be-received HS-SCCHs received from the base station (1) without making the control information go through a process by an RRC layer process block (101).

An audio decoding device includes a playback speed change device for changing, with respect to a decoded audio signal obtained by a decoding device, the playback speed thereof; an output buffer for temporarily storing a digital audio signal outputted from the playback speed change device; a read out device for reading out the digital audio signals stored in the output buffer at predetermined time intervals; a playback speed control device for controlling the playback speed change device on the basis of the number of packets stored in the jitter buffer; and decoding timing control means for controlling the timing of decoding by the decoding device on the basis of the amount of data stored in the output buffer.

Methods and systems are provided for a boosted engine having a split intake system coupled to a split exhaust system. Aircharges of differing composition, pressure, and temperature may be delivered to the engine through the split intake system at different points of an engine cycle. In this way, boost and EGR benefits may be extended.

A method for operating a speed control system of a vehicle having a plurality of wheels is provided. The method comprises receiving one or more electrical signals representative of vehicle-related information. The method further comprises determining, based on the one or more electrical signals representative of vehicle-related information, that one or more of the wheels of the vehicle have overcome an obstacle or are about to overcome an obstacle and that therefore a reduction in an applied drive torque to one or more of the wheels of the vehicle by a powertrain subsystem (applied drive torque) will be required to maintain the speed of the vehicle at a target set-speed of the speed control system. The method still further comprises automatically commanding the application of a retarding torque to one or more of the wheels of the vehicle to counteract the effect of an overrun condition in the powertrain subsystem from increasing the speed of the vehicle. A system for controlling the speed of a vehicle comprising an electronic control unit configured to perform the above- described methodology is also provided.

A touch sensitive system includes a touch surface, a display, and a latency control system. The latency control system reduces the latency between a touch event occurring on the touch surface and a graphical response displayed by the display. Specifically, the latency control system is a feedback system that synchronizes touch scan and display operations. The touch scan and display operations are synchronized by adjusting timing parameters, such as the start times and frequencies of the scan and display operations. Thus, the latency control system is an adaptable system that may reduce latency even when the processing times of various operations vary over time.

A method for controlling the speed of a motor vehicle (10), in which an acceleration-demand signal (asetpoint) is generated which represents a positive or negative setpoint acceleration of the vehicle, and either a control command (A) is output to the engine or a control command (B) is output to braking system (24, 26) of the vehicle as a function of this signal, wherein a signal (F) for preloading the braking system is output when the acceleration-demand signal (asetpoint) falls below a threshold value which lies above a value at which the braking system (24, 26) is activated.

A control device for a throttle valve is provided, which, by dispensing a position sensor for the throttle valve, can reduce a cost of the sensor and which is excellent in durability and reliability and is reduced in its control delay. The control device includes an air flow sensor 1 for detecting an air flow rate flowing through an intake pipe of an internal combustion engine, a motor 33 for driving the throttle valve 2 disposed in the intake pipe and an ECU 15 for controlling the driving operation of the motor. The ECU 100 feedback-controls the output of the air flow sensor so that a difference between the output of the air flow sensor 1 and an air flow rate required for the engine reduces.

In the start up of the magnetic disk apparatus, the phase relation between servo information numbers recorded on the magnetic disk 15 in advance and the eccentricity of the magnetic disk is learned. In the positioning of the magnetic head, a signal generated by multiplying, by a weight coefficient, a sine wave or a cosine wave the phase the revolution frequency of the magnetic disk is fed forward as an eccentricity control amount, whereby the eccentricity is compensated.

The invention discloses space manipulator control system software architecture based on a C / S structure and an establishing method. The architecture is designed specific to a central controller at a Server end. (1) Multiple threads and round-robin queues are used as supports for establishing an architecture whole frame; (2) the four threads carry out different functions respectively, a space manipulator control system software overall function is achieved commonly, the threads are in parallel operation, data exchanging between the threads is carried out through global variables or user-defined information, and synchronization of the threads is carried out in a critical zone object mode; and (3) the two round-robin queues are used for establishing a cache mechanism, only one instruction frame is stored in an instruction round-robin queue in a cache mode, and a plurality of information frames can be stored in an information round-robin queue in a cache mode. A multiple-thread-and-round-robin-queue technology is used for achieving the space manipulator control system software architecture and the establishing method, and practice proves that the architecture is suitable for a space manipulator embedded platform, the development difficulty of space manipulator control system software can be effectively lowered, and a development cycle can be shortened.

The invention discloses an IP (internet protocol) core of a programmable spacecraft control engine. The IP core comprises a first on-chip peripheral; a first DMA (direct memory access) channel; a uniform handling engine pile capable of generating every motor control signal of a spacecraft according to triaxial accelerated velocity of the spacecraft, triaxial angular velocity of the spacecraft, GPS (global position system) data, space measuring data, spacecraft control data, first PID parameter and second PID parameter, and transmitting the signal to the spacecraft through the second DMA channel and a second on-chip peripheral; The IP core adopts a hardware system framework with a super assembly line and an ultra-long instruction set framework; through the hardware method, gesture and course of the spacecraft are controlled; a special optimized hardware greatly reduces the control delay.

A control device for a throttle valve, by dispensing a position sensor for the throttle valve, can reduce a cost of the sensor and which is excellent in durability and reliability and is reduced in its control delay. The control device includes an air flow sensor 1 for detecting an air flow rate flowing through a intake pipe of an internal combustion engine, a motor 33 for driving the throttle valve 2 disposed in the intake pipe and an ECU 15 for controlling the driving operation of the motor. The ECU 100 feedback-controls the output of the air flow sensor so that a difference between the output of the air flow sensor 1 and an air flow rate required for the engine reduces.

A system for controlling a line speed of a conveyor belt of a conveyor system during product changeovers in a wallboard production line includes a computer processor, a calculation module for calculating a predetermined mass rate of a supply of ingredients transported on the conveyor belt and deposited into a mixer during a product changeover period, and a speed adjustment module for adjusting the line speed of the conveyor belt, using the processor, based on at least one of the predetermined mass rate and the line speed of the conveyor belt for reducing an overshoot during said product changeover period.

The apparatus for automatically adjusting a direction of a light axis of a vehicle headlight includes a steering angle sensor detecting a steering angle of a steering wheel of a vehicle, and a swivel control unit performing a swivel control by which the direction of the light axis of the vehicle headlight is adjusted to the target direction in accordance with the steering angle detected by the steering angle sensor. The swivel control unit varies sensitivity or responsiveness of the swivel control depending on a value of the steering angle detected by the steering angle sensor.

A resource multiplexing method and device, a storage medium, a terminal and a base station are provided. The method includes the following steps: judging whether there is overlap of resource allocation in time domain based on first DCI (Downlink Control Information), wherein the first DCI is obtained from a control area of a downlink slot; if the judgment result shows that there is overlap of resource allocation in time domain, obtaining a multiplexed resource bitmap based on information allocated in a non-controlled area of the downlink slot; and determining a control resource multiplexed bya PDCCH (Physical Downlink Control Channel) to a PDSCH (Physical Downlink Shared Channel) based on the first DCI and the multiplexed resource bitmap. Through the scheme provided by the invention, thelocation of a multiplexed resource can be indicated with less blind test, small control delay and low energy consumption, so that user equipment can efficiently multiplex the resources used by the control channel.

The invention provides a control method and device for a rectifier. Output-side voltage and reference voltage of the rectifier are acquired, and the voltage difference between the reference voltage and the output-side voltage is determined; proportional integral control is performed on the voltage difference, and reference current is acquired; an input-side voltage peak and current components of the rectifier are acquired; the current components are subjected to filtering processing, and a filtering result is obtained; the current deference is obtained according to the reference current and the filtering result; the controlling quantity is acquired by performing proportional control processing on current deviation; a reference control signal is determined according to the control quantity and the voltage peak. The method and the device have the beneficial effect of stabilizing output voltage of the rectifier. The invention further provides a rectifier control circuit with the same beneficial effect.

Aiming at the disadvantages of slow measurement speed and low test efficiency due to various delay times such as operating system delay, bus communication delay, and software interrupt delay in the conventional switch control software coding implementation method, the present invention proposes a system using A multi-probe array microwave imaging system and a switch control method for a host triggering a pulse signal, including: a main control computer, a microwave signal transceiver and data acquisition device, a switch array, a multi-probe antenna transceiver array, and a switch control module. In addition to the start command, the entire control The process is realized by the trigger pulse of the hardware, without software intervention, which greatly improves the real-time performance and stability; the use of the hardware pulse signal effectively avoids the operating system delay, bus communication delay, and software interrupt delay in the software coding control process. Various delay times, such as time, realize the minimum delay control in the whole control process.

The invention discloses a low-latency control method convenient for virtual reality object control, and the method comprises the following steps: obtaining a corresponding virtual reality configuration file from a virtual reality server when a virtual reality display request is received, obtaining virtual reality scene video information, obtaining video frames forming a virtual reality scene video, wherein N is greater than or equal to 2, and then encoding, transmitting and decoding the obtained video frame through an encoding and decoding algorithm. The method has the advantages that the virtual reality object is convenient to control, the refreshing frequency of the virtual reality scene is improved, the control delay of the virtual reality object can be effectively reduced, and the problems that the processing speed of a virtual reality server becomes slow due to an existing control mode, meanwhile, the response of virtual reality interaction is too slow due to too large transmission delay, and therefore, the problem that the virtual reality object cannot be matched with the application scene is solved, and the user experience of virtual reality can be improved.

The invention belongs to the technical field of steam generators and provides a control method for a steam production process. The steam production process is controlled by controlling the water inflow quantity. Meanwhile a steam generator applying the control method is provided. The core of the steam generator is an evaporator. The evaporator is a section of pipeline. An electrode connected withan alternating current power supply is arranged in the pipeline. Water is supplied to the evaporator, electric currents are generated, and steam is generated. The water supply is increased, electric currents are increased, and more steam is generated. The water supply is reduced, electric currents are reduced, and less steam is generated. The water supply is stopped, electric currents return to zero, and no steam is generated. Through the steam generator, water inflow can be controlled automatically according to the needs for steam, constant current output or constant pressure output of steamis achieved, and thus the needs of different users for steam can be met. The steam generator can be fast started and stopped in seconds, is started if used, and is stopped if not used. The steam generator is far smaller than a traditional electric boiler, does not belong to pressure vessels, but can provide high pressure steam. The steam generator is not a boiler but can replace a boiler.

The invention relates to the technical field of medical rehabilitation instruments, in particular to an action assisting device based on surface myoelectricity and an action intention identification method. A control circuit board receives a bioelectricity signal transmitted by a sensing unit and performs bioelectricity signal feature extraction; and extracted bioelectricity signal features are sent to a classifier for linear discriminant analysis, a classification result is sent to a voter, the result of the voter is compared with a threshold comparison result, a final motion intention result is output and an instruction is transmitted to a driver, so that the driver generates a driving force to control a hand exoskeleton to act. Two actions of stretching and bending are achieved by one motor, the pay-off speed is adjusted in a small range, the self-locking return stroke gap is eliminated, the safety and reliability of a self-locking mechanism are greatly improved, the difficulty of inaccurate electric signal recognition motion intention is overcome, the control delay of the whole system is reduced, and the action intention of a user can be directly reflected.

The invention relates to the technical field of human-computer interaction, in particular to an action assisting device based on brain plasticity and a control method and circuit thereof. A driving mechanism adopts a linear driving design, so that the driving mechanism and an executing mechanism can be separately placed, namely, the driving mechanism can be placed on the arms, waist or pockets ofa user and even can be placed in a backpack carried on the back, so that the whole equipment is light in weight and convenient to wear; in addition, a classifier, a voter, threshold comparison and self-adaptive control are combined together, which overcomes the difficulty of inaccurate recognition of motion intention by electromyographic signal, and reduces the control delay of the entire system,so that the motion intention of the user can be directly reflected; and in the control of the executing mechanism, a self-adaptive compliance control mode is adopted, main power estimation of the electromyographic signal is combined, power can be provided as required, and therefore better human-computer interaction experience and rehabilitation effect can be achieved.

The invention provides a rotorcraft power transmission line inspection method and device in an unknown environment, and the method comprises the steps: obtaining self information and the image information of a power transmission line at a position in real time, and transmitting the information to a ground control system, so that the ground control system generates model parameters and path information, and the flight control signals are sent back to the rotorcraft to be processed in combination with information of the rotorcraft to generate flight control signals; executing corresponding flight operation according to the flight control signal so as to inspect the power transmission line, sending generated increment information to a ground control system so as to generate new model parameters and path information, and sending the new model parameters and path information to the rotorcraft for updating; and processing according to the new model parameters and path information in combination with own information to generate a new flight control signal. According to the invention, tasks with large calculation amount are transmitted to the ground control system, so that the control delay of the rotorcraft control system is reduced, and the waste of electric energy is also reduced.

The invention discloses an axial split-phase hybrid excitation type magnetic suspension motor control system, which directly controls the electromagnetic torque and suspension force of a motor, saves control delay caused by controlling intermediate quantity, effectively improves the response speed and operation performance of the motor, and meanwhile, in a rotating speed control ring and a radial displacement control ring, the axial split-phase hybrid excitation type magnetic suspension motor control system has the advantages that the control delay is reduced; according to the method, traditional proportional-integral-differential control is replaced by second-order sliding mode control with higher robustness and higher response speed, a reference electromagnetic torque is output after a rotating speed error is adjusted by a second-order sliding mode controller, and further, the electromagnetic torque of the motor is directly controlled; and after the radial displacement error is adjusted by the second-order sliding mode controller, reference suspension force is output, and the suspension force of the motor is further directly controlled, so that second-order sliding mode direct torque and direct suspension force are formed, and the response speed, the anti-interference capability and the suspension performance of the magnetic suspension motor can be effectively improved.

One embodiment of the invention provides a video monitoring control method and device and relates to the technical field of communication, solving the problems of long transmission path of control commands and delay of a control center's control on a monitoring and image pick-up device The method comprises following steps: a terminal sends video RTCP messages to the monitoring and image pick-up device, wherein the video RTCP messages carry control commands of the monitoring and image pick-up device; after the monitoring and image pick-up device receives the video RTCP messages, the video RTCP messages are analyzed to obtain the control commands of the monitoring and image pick-up device; and on the basis of the control commands, the monitoring and image pick-up device is controlled.