34results about How to "Implement launch control" patented technology

The invention provides a vehicle start control system and method and aims to solve the problems that in an existing vehicle start control way, long time is consumed, and the requirement for a surrounding signal environment is high. The start control system comprises an in-vehicle start system, and the in-vehicle start system comprises a first micro processor and a first near-field communication module. The first near-field communication module is at least used for detecting an intelligent key; when the intelligent key is detected, the first near-field communication module reads key data of theintelligent key and transmits the key data into the first micro processor; the first micro processor is at least used for verifying the validity of the intelligent key according to the key data; if the intelligent key is valid, when a first preset condition is met, the first micro processor makes the whole vehicle into a start state by communicating with a vehicle control system. Because the near-field communication technology is a short-distance high-frequency wireless communication technology, compared with the Bluetooth technology, shorter time is consumed. Moreover, in the near-field communication technology, communication is conducted without a station or a satellite, and accordingly, the requirement for the surrounding signal environment is low.

The invention discloses an engine starting method of a hybrid power vehicle power system. The method comprises the following steps: (1) when an engine is in a stop state and a gearbox is in a non-neutral state, and after a motor drives a vehicle to reach the set vehicle speed, a clutch is gradually joined; (2) the clutch is gradually joined to a half joint point, the engine begins to operate; (3) the clutch is continuously and gradually joined from the half joint point to enable the rotating speed of the engine to synchronize with the rotating speed of the motor; and the position of the clutch serves as a synchronization point; and (4) the clutch is continuously and gradually joined totally from the synchronization point; the engine and the motor perform the torque conversion; and the engine drives the vehicle to travel. The method solves the technical problem of reduction of power performance directly caused by a no-power driving state of the vehicle in the starting process because of shifting to a neutral gear in the engine starting process of the hybrid power vehicle power system.

The invention discloses a heating system for a high-efficiency and energy-saving heat exchanger, which comprises a district heating system and a PCD controller, wherein the district heating system is provided with a high-efficiency and energy-saving heat exchanger which is connected with a city heat supply network through a steam valve; the PCD controller comprises a PID algorithm control unit; and the PID algorithm control unit controls the steam valve, a drain valve, a circulating water pump and the like by adopting three groups of PID control loops and detecting parameters such as system pressure, temperature and the like, and can be used for respectively carrying out PID algorithm control for starting control of the heat exchanger, normal heat exchange temperature regulation and variable frequency control of the heat supply circulating water pump, thereby realizing the purposes of energy saving, high heat exchange efficiency and easy control of water supply temperature.

The invention relates to a direct drag control technology for an outdoor fan provided with a permanent magnetic synchronous direct-current motor, aims to solve a problem of incapability of realizing direct drag control of a fan in the prior art, and provides a direct drag control method for the outdoor fan of an air conditioner. The direct drag control method comprises the following specific steps: firstly, obtaining a rotational speed fr and a position theta of the motor, and when the rotational speed fr of the motor is more than 0, controlling drag current to change from 0 to target reverse drag current I through a low-pass filter, wherein output current of the low-pass filter is I1; secondly, within first drag time, controlling a drag angle phi to change from 0 to a target drag angle gamma, controlling d shaft driving current to change from 0 to target drag current Icos-gamma, controlling q shaft drag current to change from 0 to target drag current Isin-gamma, and controlling the rotational speed of the motor to change from current running frequency fr to target drag frequency f1; finally, switching to a position-sensorless control mode, and realizing positive drag start control of the motor. The direct drag control method is suitable for the permanent magnetic synchronous direct-current motor.

The invention discloses a method and device for controlling a router plug-in. The method comprises the steps of receiving a plug-in state inquiring request sent by a terminal, acquiring the running state of the plug-in according to the plug-in state inquiring request, and sending the running state of the plug-in to the terminal so that the terminal can display the running state of the plug-in to a user. By means of the technical scheme, the user can inquire and control the router plug-in through the terminal.

The invention provides a method and a device for starting a container application. The method comprises the following steps of: obtaining a sample; The method comprises the steps of detecting a presetapplication starting condition; determining a running state of an associated application on which the container application to be started depends, if it is determined that the associated applicationis in the starting state, the container application to be started is started, so that starting control over the container application to be started is achieved, it is guaranteed that the container application to be started is started after the associated application is in the starting state, and the starting sequence of the container application to be started and the associated application is guaranteed.

The invention relates to the technical field of fire fighting, and discloses a fire extinguishing water supply system with automatic inspection and pump motor starting functions. A communication command control mode is adopted, existing fire pump automatic inspection control equipment, fire pump starting control equipment, related fire fighting pipe networks, valves, water level control and waterpressure monitoring equipment and other equipment are networked according to a uniform communication protocol, the equipment becomes a whole, and centralized and unified control is carried out. The system comprises an automatic inspection control cabinet, a pump motor starting control cabinet, a touch screen, a monitoring module, a frequency converter and a power frequency power source. A master intelligent chip is arranged in the automatic inspection control cabinet, and slave intelligent chips are arranged in the pump motor starting control cabinet, the touch screen, the monitoring module and the frequency converter, and the master intelligent chip and the slave intelligent chips are connected through buses. According to the fire extinguishing water supply system, comprehensive automaticinspection and starting control on all the equipment in the fire extinguishing water supply system are achieved, and operation information of all the equipment can be transmitted to related persons in charge through a network.

The invention discloses a target missile test and launch control system. The system comprises a remote control module, a launch control test system module and a power supply module, wherein the remotecontrol module is in communication connection with the launch control test system module and the power supply module, the launch control test system module is used for collecting the corresponding test result and sending the test result to the remote control module according to a first instruction, a second instruction, a third instruction and a transmitting instruction of the remote control module, the remote control module receives the test results of each stage acquired by the launch control test system module, judges whether the test results of each test stage is qualified or not, sends the corresponding stage instructions to the launch control test system module after the test result is qualified, and sends the emission instruction to the launch control test system module after all the test results are qualified, the launch control test system module sends an ignition instruction to the to-be-emitted target missile to realize emission, so that the preparation work before target ejection is simplified, and the far-end connecting cable is reduced.

The invention provides a control box for aircraft data forwarding and launching control. A core board receives a control instruction of an upper interface connector, parses and recombines the controlinstruction, and judges the parsed control instruction corresponding to the upper interface connector: if the parsed control instruction is a power supply instruction, the core board provides power for an external aircraft through a lower interface connector; if the instruction is the control instruction, the core board forwards the control instruction through the lower interface connector; and the core board receives the state information of the external aircraft through the lower interface connector, analyzes and recombines the data, updates the state information of the aircraft, and judgeswhether a fault occurs according to the state of the aircraft: if the external aircraft has the fault, the core board immediately disconnects the power supply of the aircraft. The control box has thefunctions of multi-path control, acquisition, communication and the like at the same time, bus data are analyzed and recombined, and data forwarding between different buses, aircraft launching controland aircraft power supply control are achieved.

The invention relates to an active Q-switched distributed feedback fiber laser, which is characterized in that a single-mode semiconductor pump laser is connected with a pump end of a wavelength division multiplexer, an optical fiber isolator is connected with a signal end of the wavelength division multiplexer, and an active phase shift fiber grating is connected with a common end of the wavelength division multiplexer, so that the distributed feedback fiber laser is formed; and the active phase shift fiber grating is fixed on an active phase shift fiber grating fixing device, a pressure device periodically extrudes a phase shift point of the active phase shift fiber grating under the control of a driver, and the effective phase shift amount of the fiber grating is changed, so that a threshold value of the laser is changed, and the active Q-switched laser process is realized. The active Q-switched distributed feedback fiber laser has the beneficial effects that the performance advantages of the distributed feedback fiber laser are fully utilized, a device for modulating the laser cavity Q by changing the grating phase shift amount is simply added, the pulse emission control of laser is realized, and the purposes of narrow linewidth and pulse work are achieved.

The invention provides a radio frequency PA Mid device, a radio frequency system and a communication device. The radio frequency PA Mid device and a first transceiver circuit are used for receiving a first radio frequency signal through a first transmitting port, and carrying out the amplification and filtering of the received first radio frequency signal; a second transceiving circuit is used for receiving a second radio frequency signal through a second transmitting port and amplifying and filtering the received second radio frequency signal; and a multi-channel selection switch is used for selectively conducting a transmitting path between the first transmitting and receiving circuit and any antenna in-turn transmitting port as well as between the second transmitting and receiving circuit and any antenna in-turn transmitting port so as to support the function of in-turn transmitting of the dual-band detection reference signals among the antennas through the antenna in-turn transmitting ports, so that the insertion loss of the transmitting paths can be reduced, meanwhile, the occupied space of the radio frequency PA Mid device is also reduced, the cost is reduced, and the communication performance of the radio frequency system is also improved.

The invention discloses a motor control system and method and belongs to the motor technology field. The motor control system includes a first local control device (1), at least one second local control device (2), at least two motor mechanisms (3), and a central control device (4). An input/output module (11) is arranged in the first local control device (1). Each second local control device (2)is connected to the input/output module (11). The input/output module (11) is connected to the central control device (4). The central control device (4) is connected to each motor mechanism (3). Theinput/output module (11) is also directly connected to each motor mechanism (3). The system can be used to realize the linkage control of the multiple local control devices to multiple motors.

The invention discloses a conveniently-mounted standing support device. The conveniently-mounted standing support device includes a force-unloading mechanism and a ground-connection mechanism, the ground-connection mechanism is connected with the force-unloading mechanism, the force-unloading mechanism includes shank fit plates which cover the shank, and the shank fit plates are connected with theground-connection mechanism; one ends of the shank fit plates cover the shank for a circle and then are pressed together with the other ends of the shank fit plates, and the pressing surface is provided with a hook and loop; and the ground-connection mechanism is an adjustable flexible mechanism, the ground-connection mechanism includes ground-connection rods which are arranged at the outer sideof an ankle and one side of a heel, and the bottom surface of the ground-connection rod is lower than a shoe sole. The ground-connection rod contacts with the ground before the shoe sole, the pressureof human weight to the shoe sole can be shared by the ground-connection rod, and the pressure supported by the ground-connection rod is shared with the shank through the shank fit plates. According to the conveniently-mounted standing support device, a force-unloading mechanism which can fit a human body is invented, and the effects that the weight is low, the human body normal activity is not affected after wearing, fusion degree with the human body is high, perception is difficult after wearing and the personal image is not affected can be achieved.

The invention provides a starting control system of a pure electric vehicle. The starting control system comprises a vehicle control unit, a battery management system (BMS), a motor controller, a main contactor and a vehicle high-pressure system. The method for using the starting control system comprises the following steps that insulation fault condition transmitted by the BMS is obtained, if a motor controller fails, and a command of starting an air conditioner is not received, so that sending an electrifying command is not needed; a main contactor is put through to electrify the vehicle high-pressure system; the situation whether a starting switch is effective or not is judged; if not, the starting of the vehicle is withdrawn, and if yes, the validity period number (cnt) of a starting switch is enabled to be increased by degrees; when the cnt is not greater than an N, the starting of the vehicle is withdrawn; if an accelerator signal is null, the situation that Hard_out = 1 is guaranteed; if high level is not generated, the starting of the vehicle is withdrawn; and if the neutral gear is not generated, the starting mark position Drive_En of the motor controller is set as 1 in a binary system, a zero-torque condition is requested to the motor controller, and an inverter driving motor is controlled to complete the start of the vehicle. According to the starting control method disclosed by the invention, the starting control method of the pure electric vehicle is realized through the vehicle control unit according to the level condition and a CAN corresponding enabling mark position condition.

The invention discloses a universal standing supporting device. The device comprises a force unloading mechanism and a grounding mechanism, the grounding mechanism is connected with the force unloading mechanism, the force unloading mechanism comprises thigh fitting plates and calf fitting plates, thighs are wrapped by the thigh fitting plates, calves are wrapped by the calf fitting plates, the lower ends of the thigh fitting plates are pressed on and clamped with the upper ends of the calf fitting plates, and the calf fitting plates are connected with the grounding mechanism; the grounding mechanism is an adjustable flexible mechanism, the grounding mechanism comprises grounding rods, the grounding rods are arranged on the outer sides and/or the heel sides of ankles, and the bottom facesof the grounding rods are lower than soles. The grounding rods are in contact with the ground ahead of the soles to share the pressure of the weight of a user on the soles of feet, and the force borneby the grounding rods is shared by lower limbs through the thigh fitting plates and the calf fitting plates. According to the device, by arranging the force unloading mechanism fitting a human body,the effects that the weight is low, normal activities of the human body are not affected after the device is worn, the fitting degree with the human body is high, the device is hard to be observed after the device is worn, and personal appearance is not affected are achieved.