54results 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.

An engine brake method for vehicle retardance is provided. An engine operates at preset rotating speed (especially medium and low rotating speed); exhausting pressure of the engine can be adjusted via an exhausting current-limiting device (such as a turbocharger and an exhausting butterfly valve), so temperature of the engine can be controlled and medium of a preset volume can be ejected into an air cylinder or an exhausting pipe of the engine to increase cylinder internal pressure and motion resistance of a piston of the engine, thereby increasing engine braking power. When fuel oil working as medium is ejected into the cylinder, combustion of the fuel oil is controlled during compression stroke of the engine, so cylinder internal pressure and engine braking power can be further improved. A problem of low braking power of the engine at medium and low rotating speed in the prior art can be solved, and engine brake at high rotating speed can be reduced and even avoided; failure modes such as high load and high exhausting temperature due to high rotating speed brake can be eliminated; and reliability and durableness of engine brake operation can be improved.

The invention discloses an improvement method of performance of a train operation control system in the technical field of train operation control. The method comprises the steps that a zone controller receives current status information of all trains at the beginning of the kth period; when the set maximum allowable waiting time is not exceeded, the zone controller computes the total time delay for generating and sending a moving authority command during the kth period; the zone controller forecasts the status information of all the trains, and generates the moving authority command according to the status information of each train and the status information of all the trains in front of the train; a timestamp is inserted into the moving authority command and sent to all the trains; after each train receives the moving authority command, the timestamp is extracted, and the execution time of the moving authority command is computed according to the specified waiting time; after each train reaches the execution time of the moving authority command, the moving authority command is executed; the next period is entered; and the steps are continued. The method eliminates an influence of train uplink and downlink transmission time delay on the train operation control performance.

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 brake system includes a brake lever independent of, but capable of rotating about the same point as a bell crank. Upon receiving a downward force, a member extending from the lever strikes a portion of the bell crank and generates a force that cause the bell crank to rotate. Rotational action of the bell crank transfers rotational energy to an equalizer bar thorough a linkage system. The equalizer bar's rotation increases or decreases tension on brake bands that slow a tubing drum. A cylinder can activate and cause the equalizer bar to rotate, applying tension to the brake bands and slowing the drum. Rotational energy is transferred back to the bell crank through the linkage. The rotational energy is absorbed by a spring positioned between the bell crank and the brake lever, thereby reducing the amount of sudden force passed through the brake lever to an operator.

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.

Systems and methods for improving operation of a hybrid vehicle are presented. In one example, a method for transitioning between driveline braking and wheel brakes is provided.

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.

The invention discloses a rail transportation train automatic monitoring system based on communication, which comprises on-board equipment and a ground automatic monitoring system. The on-board equipment arranged on the train is used for collecting train information and sending to the ground automatic monitoring system through a wireless network, and is also used for receiving and executing dispatching commands sent by the ground automatic monitoring system. The ground automatic monitoring system is used for receiving the train information from the on-board equipment, interlocking calculatingaccording to the train information to generate dispatching commands and sending the commands to the on-board equipment through the wireless network. The invention realizes the closed loop control to the train through the train-ground bidirectional information transmission, greatly lowers the effect of human error, and raises the system reliability; ATS system real-timely knows various operation parameters of the train such as the position, the speed, etc. thereby improving the operation efficiency and the automation of the system; moving block is realized through wireless communication, thereby facilitating the improvement of traffic density; and the train can timely respond the dispatching and the adjusting commands of the ATS system.

The invention discloses double-layer full-orientation and direct-interconnection overpass, the overpass is made up of bridge approach, deciliter tilt hole, cross bridge and inner arc curved road, the deciliter tilt hole and curved road are double-layer structure with upper and subjacent layer, each bridge approach is a mutual double bridge which contain a long and a short bridge, which two are connected to the outer end of upper and subjacent layer of the hole, the two sides of each layer in deciliter tilt holes are connected through curved road bridge, the centre part of the each hole is connected to cross bridge, the cross bridge are straight bridges which are orthogonal, the cross bridge is bidirectional one-way bridge, the two ends of it are connected with the upper and subjacent layer of the hole. The overpass can realize full-orientation and direct-interconnection with small area and cost.

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.

An arrangement for feeding documents piecemeal from a document bundle (9) comprises a banknote separator (200) which includes two mutually biased rollers (4,6) that are driven by a drive motor (1) that also drives a dispensing roller (3) which functions to dispense documents from the bundle. The rollers (4,6) of the roll pair are rotationally coupled together via a freewheeling hub. The second roller (6) does not rotate during dispensing of a document. Upon completion of a dispensing operation, the drive direction of the motor (1) is reversed, so as to bring the second roller (6) to a new angular position.

The invention discloses a vehicle redundant braking system, and belongs to the technical field of vehicle braking. The vehicle redundant braking system comprises a liquid storage tank. a wheel brake; a main brake unit, which comprises a main cylinder, wherein the main cylinder comprises a hydraulic cavity, the liquid storage tank is used for supplying oil to the hydraulic cavity, and the hydraulic cavity is driven by a brake pedal to convey the oil to the wheel brake; a redundant braking unit which comprises a redundant pressure buildup module, and the liquid storage tank is used for supplying oil to the redundant pressure buildup module, wherein the output end of the redundant pressure buildup module is connected with the hydraulic cavity so that oil can be conveyed to the wheel brake. The system has the advantages of being simple in oil way structure and low in brake cost.

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).

A method of braking left and right landing gear wheels on respective left and right sides of an aircraft. A desired left braking parameter (L) is received for the left wheel and a desired right braking parameter (R) is received for the right wheel. The left wheel is braked with a reduced left braking parameter (L′) which is less than the desired left braking parameter (L), and the right wheel is braked with a reduced right braking parameter (R′) which is less than the desired right braking parameter (R). A difference between the braking parameters is maintained so that L′−R′=L−R.

Portal gantry crane comprising: two parallel main girders (11) running side by side on respective sides of a midplane (M), two legs (20, 21) each positioned in said midplane (M), two couples of trolleys (40), each couple of trolleys operating on a corresponding girder (11), each trolley carrying a hoist.

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.

The invention proposes an improved electrodynamic method for braking a universal motor. The actual rotational speed is adapted by means of the assignment of the ignition angle of the electronic semiconductor switch which short-circuits the armature of the universal motor during the braking process to the rotational speed, by ascertaining the rotational speed of the ignition angle of said semiconductor switch. This advantageously results in significantly shorter braking times and significantly reduced brush sparking at the armature, which advantageously reduces wear and thus provides the universal motor with an increased service life.