Lane change time division multiplex method for guaranteeing priorities of buses

The invention relates to a lane change time division multiplex method for guaranteeing the priorities of buses. On the strategic premise of guaranteeing the priorities of the buses, limited road resources are sufficiently exploited and utilized, and a part of road section of a public transportation special lane with relative transport capacity surplus is subjected to time slice dynamic division according to the scheduling information and the position information of the buses. On the premise of guaranteeing the road priorities of the buses (i.e. the smoothness of the buses is not influenced), social ordinary vehicles are permitted to drive into the public transportation special lane to tailgate. The method can improve the utilization rate of the road resources and realize the optimizing configuration of the resources.

Short-range wireless communication based transfer method of danger warning information of vehicle

The invention relates to a short-range wireless communication based transfer method of the danger warning information of a vehicle, comprising the following steps of: (1) determining the coordinate value of a current vehicle in a gauss-Krueger plane rectangular coordinate system; (2) establishing a partial plane rectangular coordinate system of an unusual running vehicle; (3) after the unusual running vehicle releases the danger warning information in a broadcasting way, if the difference value of vertical coordinates of the current vehicle and the unusual running vehicle meets the difference value (theta 0-theta I < 900) of course angles of the current vehicle and the unusual running vehicle in the established partial plane rectangular coordinate system of the unusual running vehicle, determining the current vehicle is a following vehicle of the unusual running vehicle, and then prompting a driver to take collision-avoiding measures in time in an acousto-optic way and the like. The invention ...

Method for analysis of typical route in urban traffic

Two-way bamboo splitting machine

The invention discloses a two-way bamboo splitting machine, comprising a frame, wherein the frame is equipped with a bamboo splitting cutter which is connected with a cutter transmission mechanism and two sides of which are both provided with blades, the front ends of the two sides of the bamboo splitting cutter are both provided with centering elastic sheets, and two ends of the frame are both equipped with trays for extruding bamboo out of the bamboo splitting cutter. The two-way bamboo splitting machine has the advantages of high production efficiency, reduced waste of bamboo, low processing cost, energy conservation and consumption reduction, small occupied space and good bamboo splitting effect.

Combined cutting tool special for bamboo cutter

The invention discloses a combined cutting tool special for a bamboo cutter, comprising an upper base cutting disc, a middle base cutting disc and a bottom base cutting disc which ca be combined. The upper base cutting disc, the middle base cutting disc and the bottom base cutting disc respectively comprise a cutter base, a cutter head and blades, wherein the blades are uniformly distributed between the cutter base and the cutter head; the blade numbers of the upper base cutting disc, the middle base cutting disc and the bottom base are the same; the cutter base of the middle base is arrangedon the cutter base of the bottom base; the cutter head of the middle base is arranged at the external of the cutter head of the bottom base; the cutter base of the upper base is arranged on the cutter base of the middle base; the cutter head of the upper base is arranged at the external of the cutter head of the middle base; and all the interval angles between the blades are the same and the cutting ...

Auxiliary lamp control method of traffic main and auxiliary lamp signal system

An auxiliary lamp control method of a traffic main and auxiliary lamp signal system includes the following steps of: (1) judging whether a pedestrian street crossing request signal Q exists, if exists, entering (2), and if not, entering (3); (2) executing a first mode: if a red light of a pedestrian street crossing auxiliary signal lamp is turned on, accepting the pedestrian street crossing request Q that is executed after delay time T, and then judging the pedestrian street crossing auxiliary signal lamp, if the green light is turned on, rejecting the pedestrian street crossing request Q, if the red light is truned on, then setting the yellow light of an auxiliary signal lamp of motor vehicles to be turned on, and setting the turn-on time of the yellow light as Tyel; after counting down the turn-on time Tyel of the yellow light, setting the red light of the auxiliary signal lamp of motor vehicles to be truned on, the green light of the pedestrian street crossing auxiliary signal lamp to ...

Restraint device for bamboo-wood parting machine

A restraint device for a bamboo-wood parting machine comprises an upper restraint device and lower restraint devices, wherein the upper restraint device is installed on an upper panel of the parting machine, with height adjustable; the lower restraint devices are fixedly installed below the upper panel of the parting machine; the upper and lower restraint devices all comprise a restraint axle; the restraint axle is installed on an upper support and a lower support; restraint sleeves are installed on the restraint axle; restraint blocking pieces for restricting the parted bamboos are sleeved on the restraint sleeves at intervals; and the restraint blocking pieces corresponding to the upper and lower restraint devices are positioned on the same vertical plane. The device has the following advantages: when the higher bamboo panels (with height being more than 55mm) are parted, the upper and lower restraint devices are arranged at the end of the parting machine, thus ensuring dislocation of ...

An information amalgamation method of evidence theory urban traffic flow based on fuzzy rough sets

An evidence theory urban traffic stream information fusion method based on a fuzzy rough set comprises the following steps of: (1) pre-processing traffic data by using attribute reduction and nuclear theory of the rough set to eliminate redundant traffic stream parameters and data; (2) employing the pre-processed traffic stream parameters as an independent evidence, and solving the elementary probability function of each group proof by using a fuzzy membership method; and (3) fusing the elementary probability functions based on an improved D-S proof theory synthetic equation, performing conflict resolution of the evidence generating conflict, judging the reliability of a correlated detector, and selecting the correlated detection parameter as a fusion result based on the reliability extent. The invention provides the evidence theory urban traffic stream information fusion method based on the fuzzy rough set, which has high utilization rate, high information reliability, and high accuracy ...

Combined cutting tool special for bamboo cutter

The invention discloses a combined cutting tool special for a bamboo cutter, comprising an upper base cutting disc, a middle base cutting disc and a bottom base cutting disc which ca be combined. The upper base cutting disc, the middle base cutting disc and the bottom base cutting disc respectively comprise a cutter base, a cutter head and blades, wherein the blades are uniformly distributed between the cutter base and the cutter head; the blade numbers of the upper base cutting disc, the middle base cutting disc and the bottom base are the same; the cutter base of the middle base is arranged on the cutter base of the bottom base; the cutter head of the middle base is arranged at the external of the cutter head of the bottom base; the cutter base of the upper base is arranged on the cutter base of the middle base; the cutter head of the upper base is arranged at the external of the cutter head of the middle base; and all the interval angles between the blades are the same and the cutting ...

Public transit exclusive lane resource sharing method and system for guaranteeing bus rapid transit priority

The invention discloses a public transit exclusive lane resource sharing method and a resource sharing system for guaranteeing bus rapid transit (BRT) priority. On the premise of guaranteeing the BRT priority, a common transit bus can enter a BRT bus exclusive lane to run according to the following control rules: (1) a control flow that the common transit bus borrows the BRT bus exclusive lane: calculating a distance between the common transit bus on a non-BRT bus exclusive lane and a BRT bus and marking the distance as d according to geographic location information, setting a minimum value as d borrow, when d is more than or equal to d borrow, determining that the common transit bus is allowed to borrow the BRT bus exclusive lane and enabling the common transit bus to freely select whether to enter the exclusive lane or not, otherwise preventing the common transit bus from entering the exclusive lane; and (2) a control flow that the common transit bus returns the lane after borrowing the ...

Vehicle active collision avoidance system based on VII support

The invention discloses a vehicle active collision avoidance system based on VII support, comprising a short-distance wireless communication terminal, a road side base station and a traffic information service center, wherein, the short-distance wireless communication terminal is installed in a vehicle; the vehicle-mounted short-distance wireless communication terminals of the vehicles in local road sections form a wireless communication local area network; a road side base is arranged at a road side, various sensors arranged on the vehicle obtains the data information through uploading and collecting by CAN buses; the short-distance wireless communication terminal is provided with a danger warning information publisher; when the dangerous condition such as potential rear-end collision and the like exists, the danger warning information publisher is activated; the danger warning information is published in a broadcast manner through the short-distance wireless communication; after the short-distance ...

Method for scheduling public slow system dynamically based on rolling horizon scheduling algorithm

The invention discloses a method for scheduling a public slow system dynamically based on a rolling horizon scheduling algorithm, which comprises the following steps: 1) setting a time axis for expressing an overall scheduling cycle of a working day, wherein a key point is a leasing point which is receiving a service or the leasing point to which a transport vehicle is on the way; a time window is a time range in which a public bicycle leasing point is allowed to serve; and the satisfaction degree of the leasing point i is expressed as fi(ti); 2) establishing a scheduling model; and 3) adopting a rolling horizon-based dynamic scheduling method to divide the overall scheduling cycle into a plurality of sub-scheduling cycles; considering each sub-scheduling cycle as a static scheduling problem; and solving a plurality of static scheduling problems through a variable neighborhood tabu search algorithm and realizing dynamic vehicle scheduling through a method for rolling and updating a scheduling ...

Quantum neural network-based comprehensive evaluation method for multi-factor system

The invention discloses a quantum neural network-based comprehensive evaluation method for a multi-factor system. The method comprises the following steps of: 1) setting a plurality of feed-forward quantum nerve cells of the multi-factor system; 2) preparing a quantum register of n quantum bits; 3) taking l 0) or l 1) of the quantum register as the input of factor number of a user receiver, and taking l phi> as the output of the factor number, wherein l phi> is equal to the sum of costheta l 0) and sintheta l 1) ; 4) setting a parallel computing operator O which is used for the output quantum state of the comprehensive evaluation method for the multi-factor system and is updated and evolved; and 5) till the updated output quantum state and the change before update are in a permitted error range, namely the network state is stable, determining that a sending information sequence corresponding to the output quantum state is the detection result of the multi-factor system.

Two-way bamboo splitting machine

The invention discloses a two-way bamboo splitting machine, comprising a frame, wherein the frame is equipped with a bamboo splitting cutter which is connected with a cutter transmission mechanism and two sides of which are both provided with blades, the front ends of the two sides of the bamboo splitting cutter are both provided with centering elastic sheets, and two ends of the frame are both equipped with trays for extruding bamboo out of the bamboo splitting cutter. The two-way bamboo splitting machine has the advantages of high production efficiency, reduced waste of bamboo, low processing cost, energy conservation and consumption reduction, small occupied space and good bamboo splitting effect.

An urban traffic flow information amalgamation method of evidence theory based on fuzzy rough sets

An evidence theory urban traffic stream information fusion method based on a fuzzy rough set comprises the following steps of: (1) pre-processing traffic data by using attribute reduction and nuclear theory of the rough set to eliminate redundant traffic stream parameters and data; (2) employing the pre-processed traffic stream parameters as an independent evidence, and solving the elementary probability function of each group proof by using a fuzzy membership method; and (3) fusing the elementary probability functions based on an improved D-S proof theory synthetic equation, performing conflict resolution of the evidence generating conflict, judging the reliability of a correlated detector, and selecting the correlated detection parameter as a fusion result based on the reliability extent. The invention provides the evidence theory urban traffic stream information fusion method based on the fuzzy rough set, which has high utilization rate, high information reliability, and high accuracy ...

Road-section average travel time measuring method suitable for low-frequency sampling

The invention relates to a road-section average travel time measuring method suitable for low-frequency sampling, which comprises the following steps: (1) sampling taxi GPS data at low frequency to obtain the estimated time of each vehicle at the crossroads; (2) according to the geographical position information at each crossroad and the estimated time of each vehicle at the crossroads, obtaining the vehicle travel time of a certain road section as a sample *i; and (3) calculating the average travel time according to the following reference formula (8), wherein in the clustering center, tf stands for quick type, tm stands for medium type, and tl stands for slow type. The road-section average travel time measuring method suitable for low-frequency sampling can effectively measure the average travel time of the road section and meet the requirements for traffic real-time performance and accuracy.

Bus lane time division multiplex method for considering dividing section areas

The invention relates to a bus lane time division multiplex method for considering dividing section areas, which comprises the steps: firstly determining a search radius; judging whether a bus enters the search radius or not; maintaining green lights on the display screen on the sections near to the crossings at the upstream of a bus lane and on other sections, i.e. permitting a tailgating state if no vehicle enters the search radius; matching the bus line corresponding to a vehicle if the vehicle enters the search radius, wherein the line is not considered if the line does not comprise the bus lane; changing the states of the information displays of the crossings at the upstream if the line comprises the bus lane and displaying the information that ordinary vehicles are forbidden to enter the bus lane; and permitting the bus lane for tailgating for one more time until a rapid bus passes through the bus lane. When the distance of the rapid bus to a canalization section is larger than a ...

Restraint device for bamboo-wood parting machine

A restraint device for a bamboo-wood parting machine comprises an upper restraint device and lower restraint devices, wherein the upper restraint device is installed on an upper panel of the parting machine, with height adjustable; the lower restraint devices are fixedly installed below the upper panel of the parting machine; the upper and lower restraint devices all comprise a restraint axle; the restraint axle is installed on an upper support and a lower support; restraint sleeves are installed on the restraint axle; restraint blocking pieces for restricting the parted bamboos are sleeved on the restraint sleeves at intervals; and the restraint blocking pieces corresponding to the upper and lower restraint devices are positioned on the same vertical plane. The device has the following advantages: when the higher bamboo panels (with height being more than 55mm) are parted, the upper and lower restraint devices are arranged at the end of the parting machine, thus ensuring dislocation of ...

Bamboo splitter

The invention relates to a bamboo splitter comprising a stand, a panel is arranged on the stand and sequentially provided with a height limiting device, a feeding device, a pressure assisting device, a splitting device and a restraint device, wherein the splitting device is arranged on a transmission box and comprises an upper saw group device and a lower saw group device; the upper saw group device and the lower saw group device both comprise saw group shafts; each saw group shaft is sequentially provided with a positioning baffle plate, a saw blade and a spacer; and the tail ends of the saw group shafts are compacted and positioned by double round nuts. The invention has the advantages of being capable of splitting a higher bamboo board (with the height of more than 55 mm), preventing the bamboo board from being clamped in the splitting device through the height limiting device and reducing the vibration of the bamboo board in the splitting process through the pressure assisting device ...

Public transit exclusive lane resource sharing method and system for guaranteeing public transit priority

The present invention discloses a public transit exclusive lane resource sharing method and a resource sharing system for guaranteeing bus rapid transit (BRT) priority. On the premise of guaranteeing the BRT priority, a common transit bus can enter a BRT bus exclusive lane to run according to the following control rules: (1) a control flow that the common transit bus borrows the BRT bus exclusive lane: calculating a distance between the common transit bus on a non-BRT bus exclusive lane and a BRT bus and marking the distance as d according to geographic location information, setting a minimum value as d borrow, when d is more than or equal to d borrow, determining that the common transit bus is allowed to borrow the BRT bus exclusive lane and enabling the common transit bus to freely select whether to enter the exclusive lane or not, otherwise preventing the common transit bus from entering the exclusive lane; and (2) a control flow that the common transit bus returns the lane after borrowing ...

Auxiliary lamp control method of traffic main and auxiliary lamp signal system

An auxiliary lamp control method of a traffic main and auxiliary lamp signal system includes the following steps of: (1) judging whether a pedestrian street crossing request signal Q exists, if exists, entering (2), and if not, entering (3); (2) executing a first mode: if a red light of a pedestrian street crossing auxiliary signal lamp is turned on, accepting the pedestrian street crossing request Q that is executed after delay time T, and then judging the pedestrian street crossing auxiliary signal lamp, if the green light is turned on, rejecting the pedestrian street crossing request Q, ifthe red light is truned on, then setting the yellow light of an auxiliary signal lamp of motor vehicles to be turned on, and setting the turn-on time of the yellow light as Tyel; after counting down the turn-on time Tyel of the yellow light, setting the red light of the auxiliary signal lamp of motor vehicles to be truned on, the green light of the pedestrian street crossing auxiliary signal lampto ...

Method for analysis of prototype run route in urban traffic

Disclosed is an analytical method for typical running routes in urban traffic, comprising steps as follows: (1) setting a road net topology structure as G = (V, E), vehicle information of every road junction at a corresponding certain time as R = (Ri|ií—(1,n)), judgment threshold of hotspot junction as k and judgment threshold of typical running route as k', (2) generating first sorting typical running routes between hotspots, which comprises obtaining a hotspot road junction aggregate by filtering road junction volume, in regard to vií—V' and Hií—H, generating a running route aggregate W' between the hotspots and obtaining a first sorting typical running route W'' by calculating the occupancy of the route according to the generated route W', (3)initially selecting the clustering of the first sorting running route and the generating of the traffic junction merger routes in every clustering aggregate according to the method to obtain the typical running route aggregate W with different particle ...

Method for acquiring driving condition information of urban bus rapid transit

The invention relates to a method for acquiring the driving condition information of an urban bus rapid transit, which comprises the following steps: firstly, selecting a BRT (Bus Rapid Transit) vehicle and carrying out information acquisition to the BRT vehicle through the sampling frequency of 1s, wherein the acquired initial information comprises the driving time ti, the longitude Xi, the latitude Yi and the instantaneous velocity Vi; secondly, defining the acceleration, deceleration, constant speed and idle speed driving conditions in the driving process of the vehicle; thirdly, converting the initial information; and fourthly, analyzing the vehicle information. The method has the beneficial effects that the working condition information of the vehicle can be accurately or precisely obtained, and more working condition information of the vehicle can be obtained to be convenient for understanding the working conditions of the vehicle.

Vehicle active collision avoidance system based on VII support

The invention discloses a vehicle active collision avoidance system based on VII support, comprising a short-distance wireless communication terminal, a road side base station and a traffic information service center, wherein, the short-distance wireless communication terminal is installed in a vehicle; the vehicle-mounted short-distance wireless communication terminals of the vehicles in local road sections form a wireless communication local area network; a road side base is arranged at a road side, various sensors arranged on the vehicle obtains the data information through uploading and collecting by CAN buses; the short-distance wireless communication terminal is provided with a danger warning information publisher; when the dangerous condition such as potential rear-end collision and the like exists, the danger warning information publisher is activated; the danger warning information is published in a broadcast manner through the short-distance wireless communication; after theshort-distance ...

Improved auxiliary lamp control method of traffic main and auxiliary lamp signal system

An improved auxiliary lamp control method of a traffic main and auxiliary lamp signal system includes the following steps of: (1) judging whether a pedestrian street crossing request signal exists, ifexists, entering (2), and if not, entering (3); (2) executing a first mode; and (3) executing a second mode, specifically including: (3.1) when detecting that the phase of a main crossing signal lampchanges from a green light to a yellow light, setting the green light of an auxiliary signal lamp of motor vehicles to be turned on, the red light of a pedestrian street crossing auxiliary signal lamp to be turned on and the turn-on time as Tcar less than or equal to Tkr, wherein Tkr is the turn-on time of the red light of the main crossing signal lamp during a signal cycle; and (3.2) if detecting a pedestrian street crossing request signal within the time Tcar, skipping to the step (2). The control method can keep a balance between the pedestrian street crossing request and vehicle passing efficiency ...

Bamboo splitter

The invention relates to a bamboo splitter comprising a stand, a panel is arranged on the stand and sequentially provided with a height limiting device, a feeding device, a pressure assisting device, a splitting device and a restraint device, wherein the splitting device is arranged on a transmission box and comprises an upper saw group device and a lower saw group device; the upper saw group device and the lower saw group device both comprise saw group shafts; each saw group shaft is sequentially provided with a positioning baffle plate, a saw blade and a spacer; and the tail ends of the sawgroup shafts are compacted and positioned by double round nuts. The invention has the advantages of being capable of splitting a higher bamboo board (with the height of more than 55 mm), preventing the bamboo board from being clamped in the splitting device through the height limiting device and reducing the vibration of the bamboo board in the splitting process through the pressure assisting device ...

Improved auxiliary lamp control method of traffic main and auxiliary lamp signal system

An improved auxiliary lamp control method of a traffic main and auxiliary lamp signal system includes the following steps of: (1) judging whether a pedestrian street crossing request signal exists, if exists, entering (2), and if not, entering (3); (2) executing a first mode; and (3) executing a second mode, specifically including: (3.1) when detecting that the phase of a main crossing signal lamp changes from a green light to a yellow light, setting the green light of an auxiliary signal lamp of motor vehicles to be turned on, the red light of a pedestrian street crossing auxiliary signal lamp to be turned on and the turn-on time as Tcar less than or equal to Tkr, wherein Tkr is the turn-on time of the red light of the main crossing signal lamp during a signal cycle; and (3.2) if detecting a pedestrian street crossing request signal within the time Tcar, skipping to the step (2). The control method can keep a balance between the pedestrian street crossing request and vehicle passing efficiency ...

Mechanical supporting mechanism of bamboo splitting machine

The invention discloses a mechanical supporting mechanism of a bamboo splitting machine, which is arranged on the bamboo splitting machine, and comprises a box body; a slider consisting of a V-shaped left slider and a V-shaped right slider is arranged in the box body, and the left slider and the right slider are fixedly connected; a supporting rod for supporting bamboos is hinged on the box body,the supporting rod is supported by a supporting block fixed on the slider, and a spring plate for supporting the slider is arranged below the slider. The invention has the advantages that: the cost for refitting original machines is lowered; the integrated design is beneficial for later maintenance and management; because of having a pure mechanical structure, the supporting mechanism can complete the target function thereof automatically without relying on a control circuit; the supporting rod is in a nonmetal structure, therefore, the supporting rod is small in inertia and easy to realize lifting ...

Adaptive control method for variable lane

The invention discloses an adaptive control method for a variable lane, which comprises the following steps of: 1) taking a time occupancy ratio detected by a detector arranged on a road as an input of a BP neural network, wherein the output vector of the BP neural network is O=Formula and is 0 or 1; and 2) performing variable lane control by the following processes of: 2.1) if the current variable lane attribute is straight and the output vector is 1, changing the variable lane attribute into left turning from straight when a next straight phase reaches; if the output vector is 0, keeping the current variable lane attribute unchangeable; and 2.2) if the current variable lane attribute is left turning and the output vector is 1, changing the variable lane attribute into straight from left turning when the next left turning phase reaches; and if the output vector is 0, keeping the left turning attribute of the variable lane unchangeable. The method can effectively improve the utilization ...

Bamboo-breaking tool with replaceable blade

The invention relates to a bamboo-breaking tool with a replaceable blade, which comprises a bamboo-breaking tool rest, wherein the center of the bamboo-breaking tool rest is provided with an inner segment removing knocking body vertical to the bamboo-breaking tool rest, the front end of the inner segment removing knocking body is provided with a knocking head, the bamboo-breaking tool rest is provided with a bamboo-breaking blade tightening device, the bamboo-breaking blade tightening device is connected with a detachable bamboo-breaking blade, and the other end of the bamboo-breaking blade is clamped in a groove of the inner segment removing knocking body. The invention has the advantages of convenient blade replacement, low maintenance cost, short maintenance time and easy popularization and application.

Short-range wireless communication based danger warning information transfer method for vehicle

The invention relates to a short-range wireless communication based transfer method of the danger warning information of a vehicle, comprising the following steps of: (1) determining the coordinate value of a current vehicle in a gauss-Krueger plane rectangular coordinate system; (2) establishing a partial plane rectangular coordinate system of an unusual running vehicle; (3) after the unusual running vehicle releases the danger warning information in a broadcasting way, if the difference value of vertical coordinates of the current vehicle and the unusual running vehicle meets the differencevalue (theta 0-theta I < 900) of course angles of the current vehicle and the unusual running vehicle in the established partial plane rectangular coordinate system of the unusual running vehicle, determining the current vehicle is a following vehicle of the unusual running vehicle, and then prompting a driver to take collision-avoiding measures in time in an acousto-optic way and the like. The invention ...

Height limiter and compression assistor for bamboo/wood slice machine

The invention relates to a height limiter and compression assistor for a bamboo/wood slice machine, which comprises the height limiter, wherein the height limiter comprises a height-limiting long bracket and a height-limiting short bracket, and a height-limiting shaft of which the height can be adjusted is horizontally arranged between the height-limiting long bracket and the height-limiting short bracket; and the compression assistor is arranged behind the height limiter, the compression assistor comprises a compression-assisting long bracket and a compression-assisting short bracket, a compression-assisting shaft of which the height can be adjusted is horizontally arranged between the compression-assisting long bracket and the compression-assisting short bracket, both ends of the compression-assisting shaft are provided with perpendicular compression-assisting small shafts, and the compression-assisting small shafts are sheathed with springs and are arranged in the compression-assisting ...

Fractal traffic flow prediction method combining weekly similarity

The invention discloses a method for predicting fractal traffic flow combining weekly similarity characteristic. The invention comprises the following steps: 1) traffic flow data of different working days takes one week as a period, the traffic flow data are grouped to form traffic flow sequences with different directions at the same intersection in a scheduled period of time; 2) the scheduled time before the current time is extracted to the traffic flow sequences {Ni} of the current time, initialized n is equal to one, and {Si} is obtained through performing n-order cumulative calculation, {Sni}(i=1, ..., n)=N(A, epsilon) I, the obtained value is N(A, epsilon) i+1; 3) according to the traffic flow sequences in the same period of time a week ago, the traffic flow sequences in the same period of time two weeks ago, the traffic flow sequences in the same period of time three weeks ago, ... the traffic flow sequences in the same period of time m weeks ago, the calculations of the step 2) are ...