52results about How to "Reduce braking" patented technology

The invention discloses a self-adaptive intelligent line planning method based on traffic signal lamp signal change, and relates to the field of intelligent traffic. The method comprises the following steps that a vehicle-mounted device acquires a destination address and a vehicle current position and uploads a vehicle ID, current position information and the destination address to a dynamic planning server; the dynamic planning server performs line planning and transmits the planned path information to the vehicle-mounted device and a traffic signal lamp state information server; the traffic signal lamp state information server inquires a turn-on time table of traffic signal lamps and transmits the turn-on time table of the traffic signal lamps to the vehicle-mounted device; and the vehicle-mounted device plans ideal driving speed of the vehicle and outputs ideal driving speed of the vehicle to a user. The beneficial effects of application of the method are that a situation of green light all the way can be realized by the user under the condition of uncongested road so that braking is reduced, oil consumption is reduced and time of arriving at the destination can be more truly predicted.

Embodiments of the invention relate generally to electric motors, alternators, generators and the like, and more particularly, to stator structures and rotor-stator structures for motors that can be configured to, for example, reduce detent.

The invention discloses a shedding device of a weaving machine, which adopts an electric machine to independently drive each heald frame. The device comprises a plurality of sets of driving mechanisms (3) for driving heald frames (4). The driving mechanisms (3) comprise electric machines (5), driving swing arms (6) and parallelogram linkages (7). The output ends of the driving swing arms are hinged with connecting rods (11) of the parallelogram linkages (7), the driving swing arms (6) and side links (9) are not only of the same length but also are parallel to each other. The electric machines (5) drive the driving swing arms (6), the output ends of the driving swing arms drive the connecting rods (11), and the connecting rods (11) transmit the driving power to the side links (9) at the left sides and right sides of the parallelogram linkages (7) so as to enable the heald frames (4) to complete reciprocating linear motion. In the invention, the driving mechanisms (3) do not occupy any space expect that of a weaving machine rack (12), so that the weaving machine (1) occupies obviously reduced space, the sizes of the driving mechanisms (3) are uniform and only electronic setting is required to adjust heald frame (4) stroke.

The invention discloses a novel truck no-parking weight-calculating charging system, and relates to a charging system. The novel truck no-parking weight-calculating charging system comprises an expressway tolling booth, a trading antenna, an expense displayer, an automatic handrail, a license plate recognizer, a fog lamp, infrared vehicle separators, an axle recognizer and a dynamic weighting instrument, wherein the front side of the expressway tolling booth is provided with the automatic handrail, one side of the automatic handrail is provided with the expense displayer, the trading antenna is arranged above one side of the automatic handrail, the rear side of the expressway tolling booth is provided with the license plate recognizer, the rear side of the license plate recognizer is provided with the infrared vehicle separators, the dynamic weighting instrument is arranged between the infrared vehicle separators, the middle of the dynamic weighting instrument is provided with the axle recognizer, and the rear side of one infrared vehicle separator is provided with the fog lamp. The novel truck no-parking weight-calculating charging system has good economic benefits and social benefits, and has a positive promoting effect on energy conservation and emission reduction of the transportation industry in China.

The invention provides a brake device for an elevator that can reduce the energy required for braking and release, which has: a movable plunger (5), brake mechanisms (1-4), (6), (7), A drive mechanism (10) and a second drive mechanism (20), the brake devices (1-4), (6), (7) are connected to one end of the movable plunger, and The movement in the direction is switched to the braking state and the releasing state; the first driving mechanism (10) uses mechanical or magnetic power to make the movable plunger move in the movable range of the axial direction switching to the braking state and the releasing state. Reverse in the middle to keep it pressed on the brake side or the release side; the second drive mechanism uses electromagnetic force, in order to switch between the brake state and the release state, resist the pressing force of the above-mentioned first drive mechanism and push the above-mentioned movable insert The lever is driven from the braking side or the releasing side to a reverse position in the middle of the above-mentioned movable range.

The invention discloses a method for lowering train energy consumption and improving route transportation capability, and belongs to the technical field of train communication and control. According to the method for lowering train energy consumption and improving route transportation capability, firstly, a multi-train operation control system affected by transmission packet loss is equivalent to a network control system; an area controller waits for receiving the state information of all the trains, and estimates the state of the train with the state information being not received, the train waits for receiving a mobile authorization command, and a novel mobile authorization command is estimated according to a previous mobile authorization command if the train does not receive the mobile authorization command. The train selects closed-loop gain according to the criterion of the minimum energy consumption or the minimum train interval, and a control command is calculated and executed by utilizing the state of the current train and the states of all the front trains or part of the trains. By means of the method for lowering train energy consumption and improving route transportation capability, unnecessary train traction and braking caused by transmission packet loss of train-ground information can be reduced, the train traction energy consumption is lowered, and riding comfort is improved. Meanwhile, the fluctuation of train intervals caused by the transmission packet loss can be reduced, the route transportation capability is improved, and the riding comfort for passengers is improved.

The invention discloses an electronic parking braking method, which comprises the following steps of: an electronic control unit receives a braking instruction; the electronic control unit controls a motor to be electrified and started, and simultaneously drives a screw to rotate, so that a barrel pushes a piston to move towards the direction of a friction plate; and when a motor current collected by the electronic control unit reaches a first preset current value I1, the electronic control unit controls the motor to stop rotating. The invention also discloses an electronic parking braking releasing method, which comprises the following steps of: the electronic control unit receives a braking releasing instruction; the electronic control unit controls the motor to be electrified and started, and simultaneously drives the screw to move away from the direction of the friction plate; and when the motor current collected by the electronic control unit reaches a second preset current value I2, a second preset time is delayed, and the electronic control unit controls the motor to stop rotating. The electronic parking braking method and braking releasing method disclosed by the invention do not need additional hardware, but have high working efficiency, and can save energy.

A fluid shear actuated brake mechanism includes an outer hub secured to a hoist frame, a main brake disc stack engaged between the outer hub and a hoist drum shaft, an actuator hub helically engaged with the outer hub, and an actuator disc stack engaged between the actuator hub and the shaft. The main disc stack and the actuator disc stack are immersed in a fluid. Rotation of the shaft in a load lowering direction generates fluid shear in the actuator disc stack which rotates the actuator hub in a lowering direction and advances it toward the main disc stack, compressing it and the actuator disc stack. Rotation of the shaft in an opposite load lift direction retract the actuator hub from the main disc stack.

The invention discloses a multi-working-condition self-adaptive early warning braking system which comprises an external signal receiving module, an emergency braking self-adaptive module, a man-machine interaction module and an ESC actuator. The external signal receiving module is used for receiving an external sensing signal; the emergency braking self-adaptive module comprises an environment analysis module, a self-adaptive analysis module and a decision control module, the environment analysis module classifies the traffic environment in front of the vehicle according to the external sensing signal to determine the current working condition, then the self-adaptive analysis module performs self-adaptive adjustment according to the working condition type to determine the current emergency braking condition, so that the pedestrian collision early warning and braking sensitivity under different conditions is different, and finally, the decision control module judges the current collision danger degree according to the self-adaptive adjustment result, sends early warning information corresponding to the collision danger degree to a human-computer interaction module, sends a controlsignal corresponding to the collision danger degree to an ESC executor, and controls the ESC executor to execute the early warning and braking according to the control signal. According to the invention, self-adaptive emergency brake adjustment can be realized.

A power steering system for a vehicle includes a hydraulic pump interconnected with a power steering gear and a fluid coupling that operatively connects a drive shaft of an engine of the vehicle with the hydraulic pump. The power steering system also includes an electronic controller operable to provide a variable control signal based on received input and a power electronic converter that energizes the fluid coupling in response to the control signal to vary torque transmitted via said fluid coupling.

Comprising a tower (1) and a set of vertical blades (4) which rotate around the tower (1) and which in turn rotate about themselves on a shaft (5) in order to face the direction of the wind (6) during the angular displacement that favours the rotation of the blades (4) around the tower (1) and in order to locate them parallel to the direction of the wind (6) during the rest of the angular displacement, reducing the braking of the blades when passing from their position parallel to the wind direction to the position facing it. The blades (4) comprise means (11-13) of suppression of the surface of the blade when it passes from the parallel position to the position facing the direction of the wind (6), minimising the braking which the blade produces during the change of said position. It permits maximum efficiency to be obtained with both weak and strong winds.

The invention provides a guide bar arrangement (1) of a warp knitting machine with a bar (2), a plurality of guide needles (3) group-wise combined into needle segments (4), and a drive mechanism (12) for generating the offset movement of the guide needles (3). For this purpose, the needle segments (4) are movably connected with the bar (2) in the displacement direction (8) and the drive mechanism (12) acts on the needle segments (4).

The invention discloses a vehicle braking oil consumption prompting method. The vehicle braking oil consumption prompting method comprises the steps that the initial braking speed and the termination braking speed which correspond to the vehicle braking action and the corresponding movement distance in the braking action time are obtained; the sliding distances which correspond to the initial braking speed and the termination braking speed are obtained; the single braking sliding loss distance is calculated according to the sliding distances corresponding to the initial braking speed and the termination braking speed and the corresponding movement distance in the braking action time; and the single braking oil consumption is calculated and obtained according to the unit driving distance comprehensive oil consumption, the unit sliding distance oil consumption and the single braking sliding loss distance of a vehicle and is output. By means of the vehicle braking oil consumption prompting method provided by the invention, the sliding distance loss caused by braking is converted into the oil consumption value to be calculated and quantitatively output, and thus a driver can be prompted and can reduce unnecessary braking behaviors as far as possible, so that oil consumption is reduced, and meanwhile, the driving safety is improved. The invention further discloses a vehicle braking oil consumption prompting system.