45results about How to "Reduce impulse" patented technology

The invention provides a method for relieving start-up impulse of a rail train. The method includes the following steps that S1, backward slip force Fb borne by the train is obtained; S2, a train traction motor is started, traction force Ft is gradually increased, train brake is relieved, brake force Fs is gradually reduced, so that the traction force Ft is smaller than or equal to the sum of the brake force Fs and the backward slip force Fb, meanwhile, the backward slip force Fb is smaller than or equal to the sum of the brake force Fs and the traction force Ft, when the traction force Ft is increased to be equal to the backward slip force Fb, and the traction force Ft is locked and maintained; S3, when the brake force Fs is reduced to zero, the traction force Ft of the train is gradually increased to achieve stable start of the train. According to the method, when the train starts to move, the moving state of the train is only affected by traction force, and impulse caused when the train is started can be effectively relieved, and comfortable experience is brought to train passengers. Besides, the method has the advantages of being suitable for various rail trains, easy to control and the like.

The present invention provides for the use of combinations of drugs to treat addictive disorders. More specifically, the present invention relates the use of drugs in conjunction with behavioral intervention to treat alcohol-related diseases and disorders as well as treatment of obesity and regulating weight.

A confectionary composition is used in a method of reducing stress and the urge to smoke in abstaining tobacco users. The confectionary composition includes at least one of a sugar or a sugar alcohol and an effective amount of stress-reducing flavoring agent. Where the confectionary composition is a chewing gum, the composition includes a water soluble bulk portion and a water insoluble base portion. The stress-reducing flavoring agent can be one or more of peppermint flavor, vanilla flavor, or peach flavor. The stress-reducing flavoring agent reduces an abstaining tobacco user's urge to smoke and can reduce the level of salivary Cortisol in the abstaining tobacco user. The method reduces stress in tobacco users who must temporarily abstain from tobacco use and can reduce consumption of tobacco by tobacco users by increasing the interval between consumption events.

The invention discloses a train wireless electric pneumatic breaking control system and a control method thereof. The train wireless electric pneumatic breaking control system is composed of a plurality of wireless electric pneumatic breaking control devices which are respectively installed into different vehicles of a train, and the plurality of wireless electric pneumatic breaking control devices in the same train build an independent wireless ad hoc network; each wireless electric pneumatic breaking control device is a wireless network node, the wireless electric pneumatic breaking control devices are in electric connection with vehicular power generators, and the gas circuits of the wireless electric pneumatic breaking control devices are communicated with air brake pipes of the vehicles. According to the train wireless electric pneumatic breaking control system and the control method thereof, the wireless electric pneumatic breaking control device closest to the front end of the train automatically fetches train braking control information from barometric changes of a vehicle brake pipe, and transfers air brake control information into radio signals, the radio signals are transmitted to other wireless electric pneumatic breaking control devices installed in the train through the wireless ad hoc network, and rapid air-filling and air-exhausting are conducted on the vehicle brake pipes, so that the speed of transmitting braking control information is improved, and the consistency of brake mitigation actions of the vehicles is improved.

The invention relates to an electropneumatic braking method and an electropneumatic braking system with fault complementation control on the basis of single-axis control, which is characterized in that two independent embedded type electropneumatic braking units are adopted, and each unit comprises a control circuit, a piezoelectric relay valve, a piezoelectric ventilation valve and a corresponding pressure sensor; the two units are managed by a communication and management circuit and arranged near a steering frame; and two axles on the same steering frame are controlled by the two embedded type electropneumatic braking units respectively. The method and the system can greatly reduce the volume of a cylinder and a pipeline by directly controlling a single braking cylinder, and have the advantages of rapid control response, high precision and good safety.

The invention discloses a wireless idle brake control system and control method for a railway wagon. The control system comprises a locomotive brake control system and a vehicle brake control system; the locomotive brake control system comprises an operator, a display screen and a control module; the vehicle brake control system comprises an electric control device and an execution module; the control module is communicated with an electric control device of each vehicle by a wireless ad hoc network; the control module and the electric control module of each vehicle are nodes of the wireless ad hoc network. By using the wireless ad hoc network technology, in the operation of a railway wagon train, a brake release signal becomes a wireless network signal and is transmitted to the rear vehicles, and the transmission speed is improved, so the rear vehicles act at the time as consistent as possible, the longitudinal force in the brake process of the train is reduced, the impact among the vehicles is reduced, a bus cable does not need to be arranged on the train due to the wireless signal transmission mode, the operation that stations are arranged along the railway line as relay points is not needed, and the influence on the environment of the railway line is smaller.

The invention relates to a precision instrument device buffering and shock absorbing transport semitrailer.Through mutual cooperation and complement of three layers of buffering and shock absorbing, buffering and shockabsorbing of a precision instrument device are completed from different angles taking into account particular emphasis, a first layer of bufferingand shock absorbingpasses through a gooseneck, vertical vibration between a tractor and a gooseneck connection part of a load trailer is reduced, and the vibration in the travelingdirection between the tractor and the load trailer is also reduced; according to a second layer ofbuffering and shock absorbing, through a double shock absorbing suspension system cooperating a suspension lifting cylinder and a torsion bar spring, swaying and impact of the loadtrailer when encountering uneven road surface are retarded, and it can be ensured that the vibrationduring emergency braking is significantly reduced; and according to a thirdlayer of buffering and shock absorbing,through an active buffering mechanismof a device transportation platform, impact and vibration on the precision instrument device in the driving direction during braking of the semitrailer are reduced. The threelayers of buffering and shock absorbing protect the precision instrument device in all directions layer upon layer, and the transportation safety of precision instrument deviceiseffectively protected.

The invention relates to the field of locomotives and discloses a system and a method for optimizing smooth manipulation of a heavy-haul train. The system and the method can conduct real-time guiding and prompting on manipulation of a driver according to running data and a standard manipulation curve of the train or optimize the standard manipulation curve to reduce train impact. The method comprises the steps as follows: acquiring the running data of the train; generating an actual manipulation curve of the train according to the running data, and comparing the actual manipulation curve with the standard manipulation curve; under the condition that the difference between the actual manipulation curve and the standard manipulation curve exceeds a preset range, executing one or more of following operation: showing corresponding prompts to the driver of the train; detecting the impact of the train under the actual manipulation curve, and updating the standard manipulation curve with the actual manipulation curve under the condition that the impact is lower than that of the train under the standard manipulation curve.

The invention discloses a stationarity control method for an electric locomotive under a working condition of constant speed operation. The stationarity control method comprises the following steps that A, a microcomputer completes basic computation of output traction force or output braking force; B, the microcomputer can adjust the locomotive to enter into a traction-electric braking switch limiting mode to output predetermined traction force or output predetermined braking force according to a computation result; and C, the microcomputer completes self-adaptation adjustment of control parameters by controlling various coefficients in the basic computation. The stationarity control method for the electric locomotive under the working condition of constant speed operation has the beneficial effects that firstly, through combined action of a proportional element and an integration element and the self-adaptation adjustment of the control parameters, the adjustment speed and accuracy are improved, and the influences of errors in the elements such as testing on the constant speed accuracy are eliminated; and secondly, the inversion frequency of the traction / braking working condition is limited, occurrence of impulsion is decreased, and the requirements for stationary application on routes where the ramp change is frequent and complex can be met.

The invention discloses a constant speed control method of a locomotive. The method comprises the following steps: reading set values of traction Fo of and velocity Vo of a constant speed instruction, detecting the actual velocity V of the locomotive, and comparing the actual velocity V with the instruction velocity Vo; if the absolute value of the difference of Vo and V is smaller than or equal to 2, making the traction F equal to the sum of Fo and 50 times the absolute value of the difference of Vo and V, or else, making the traction F equal to the sum of Fo and 150 times the absolute value of the difference of Vo and V; automatically adjusting traction and brake conditions of the locomotive according to the speed set by a driver, so that a train automatically runs according to the set velocity, and the manipulation strength of the driver and impact on the train are relieved.

A two-wheeled stroller is disclosed and claimed. The stroller is a tow-type stroller to enable a child to accompany an attendant who is engaged in walking or running activity over a variety of ground surfaces and grades at various walking and running velocities. The stroller includes a carnage assembly, a tow bar assembly, and a harness assembly. The carnage assembly includes a seat upon which the child being transported is seated and two wheels, with the center of gravity of the carriage assembly and child (if present) positioned below the wheel axis of rotation. The harness assembly is adjustably affixed to the attendant, and is connected to the carriage assembly by the tow bar assembly.

The invention relates to a cola stable paster which can treat hyperkinetic symptom of children, which comprises back liner, drug layer, release-control layer, paste layer, and anti-paste layer. The invention is characterized in that the back liner is aluminized film; the drug layer is cola stable drug and polyacrylacid ester pressure-sensitive gel; the release-control layer is modified EVA film or nuclear track porous film; the paste layer is cola stable drug and polyacrylacid ester pressure-sensitive gel; the cola stable drug content of drug layer is higher than the cola stable drug content of paste layer. The invention can avoid oral taking, with high biological utilization, stable effect, continuous release, and high safety. The invention also provides relative production.

The invention provides a phase variable device for use with a car engine, capable of preventing the phase angle of the camshaft from varying relative to the first circular rotational body even if the camshaft is subjected to the reaction of a valve spring, and capable of reducing the impulsive generated in the phase variable device and delivered to the engine. MEANS FOR ACHIEVING THE OBJECT

The objects can be achieved by the inventive phase variable device which includes: a first rotational body, an intermediate rotational bode integral with the camshaft of an engine, a second rotational body, all rotatably arranged on the same camshaft, the device adapted to control phase angle of the second rotational body, thereby varying the phase angle of the intermediate rotational body. The second rotational body is placed in substantial contact with the inside of the hollow cylindrical section of the intermediate rotational body. A circular eccentric cam, integral with the second rotational body and adapted to rotate about an eccentric center thereof, causes a cam guide plate to reciprocate in the direction perpendicular to the rotational axis, which in turn causes slide members protruding from the cam guide plate to move in the radial guides formed in one of the first rotational body and the intermediate rotational body, as well as in skewed guides which are formed in the other one and skewed with respect to a circumference coaxial with the skewed guides.

The invention comprises a hydraulic pump, wherein wave energy is used to pump a fluid. The apparatus utilizes the oscillation of the free surface of a water column within a moon pool on a floating vessel to lift a floating pump unit. After reaching a peak elevation induced by a passing wave, the gravitational forces on the floater pressurizes and moves a fluid using structurally linked pistons within fixed cylinders on the vessel during the downward return motion of the floater. The pressurized fluid can then be used in a variety of applications including the generation of electricity via hydroelectric turbines.

A vehicle protection system for vehicle windows against RPGs, comprising an RPG countermeasure mechanism (an active disruption mechanism that propels an object at an incoming RPG or a static structure) that results in a disabled RPG that cannot explode as a liner shaped charge warhead but can still explode, and a set of transparent panels attached to the vehicle, the panels large enough to cover the windows of the vehicle, the panels of the set of transparent panels inclined relative to an imaginary vertical plane nonnal to a surface that the vehicle rests on by an angle that is between 20, and 40 degrees, the panels made of rigid material, such as PMMA. for absorbing an impact from the disabled RPG so that it never reaches the threshold deceleration needed to explode.

The invention discloses a digital auditory integrated training system, which comprises a signal source, a power supply, a host and a signal receiving device, the host is electrically connected with the power supply, the signal source is connected with the host by a signal line, and the signal receiving device is communicated and connected with the host. The digital auditory integrated training system of the invention can correct the disorder phenomena of the auditory system on the voice treatment and stimulate the cerebral cortex by listening to a group of music after filtration and modulation, thus achieving the purpose of improving behavior disorders and emotional disorders. The digital auditory integrated training system is safe and reliable, the treatment has no side effects which are serious and existed for a long time, and the digital auditory integrated training system is applicable to: pervasive developmental disorder (PDD), including autism (Infantile Autism) and Asperger syndrome; attention deficit hyperactivity disorder (ADHD); special speech and language developmental disorder (SLD); emotion disorder (ED); learning disorder (LD) and so on.

The invention discloses a dynamic gear clearance eliminating device, belongs to the technical field of gear transmission and solves the problems of poor synchronism and complex structural design of the existing gear clearance eliminating structure. The dynamic gear clearance eliminating device comprises a driven gear (1), large magnets (2), a driven shaft (3), a driving gear (4), small magnets (5), a driving shaft (6) and a substrate (7); the large magnets (2) are embedded in the driven gear (1); the driven gear (1) is connected with the driven shaft (3); the small magnets (5) are embedded in the driving gear (4) connected with the driving shaft (6); the driven shaft (3) and the driving shaft (6) are both arranged on the substrate (7); outer ring polarities of the large magnets (2) and the small magnets (5) are opposite. The dynamic gear clearance eliminating device can be used for eliminating gear clearances dynamically, the precision of gear transmission is improved, the impact and vibration of a tooth profile are reduced, and the dynamic gear clearance eliminating device is compact in structural design, and easy to manufacture and mount, and is reduced in manufacturing and using cost.

The device comprises a stamping member (2) arranged to be conveyed towards and hit a material body (1) with such a velocity that a rebound motion of the stamping member (2) is generated while a permanent deformation of the material body (1) is generated. The device has structure (3) for counteracting the rebound and generating at least one additional impact of the stamping member (2) against the material body (1) within a period, during which kinetic energy in the material body (1) generates an additional deformation in the body.

The invention discloses a receiver which receives a transport stream and demodulates the transport stream into a final output stream. The transport stream comprises a plurality of code elements, wherein at least one code element carries at least one program clock reference value; and the final output stream comprises a plurality of demodulated code elements, wherein each demodulated code element comprises a plurality of packets. The receiver comprises a reed-solomon (RS) decoder, an moving picture experts group (MPEG) storage and a descrambler, wherein the RS decoder is used for decoding the transport stream to generate an MPEG packet; the MPEG storage is used for storing the MPEG packet; and the descrambler is used for reading out the MPEG packet from the MPEG storage at a transport rate and descrambling the MPEG packet into one of the packets of the demodulated code elements of the final output stream. The transport rate is reduced for reducing the communication pulses of the packets of the demodulated code elements of the final output stream.

The present invention provides compositions and uses thereof for reducing anxiety and/or impulsivity, including, for example, suicidality, in a subject undergoing treatment with a serotonin reuptake inhibitor (SRI) comprising administering to the subject an effective amount of a SRI and an effective amount of a 5-HT1A receptor partial agonist/antagonist. In addition, the present invention provides dosing regimens for various SSRIs which can also reduce anxiety and/or impulsivity, including, for example, suicidality in a subject undergoing treatment with an SSRI. Kits including daily dosing regimens of various SSRIs are also provided.

A medical transport system and methods for assembling and using the medical transport system to reduce impacts and forces to a patient during transit. One embodiment of the medical transport system includes a support frame, an incubator and a transport mattress. The transport mattress includes memory foam on either or both the top and bottom surfaces of the transport mattress. The method of assembly includes placing the transport mattress inside the incubator and above the support frame. The method of use includes the steps of placing a patient inside the incubator and positioning the patient above the support platform and on the transport mattress to thereby reduce impacts and forces to a patient during transport. A second embodiment of the medical transport system includes a support frame, straps for securing a patient to the medical transport system and a transport mattress including memory foam on either or both the top and bottom surfaces of the transport mattress.