CN104598747B - A kind of method for being estimated to pilot flight's performance - Google Patents
A kind of method for being estimated to pilot flight's performance Download PDFInfo
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Abstract
The invention discloses a kind of method for being estimated to pilot flight's performance, comprise the steps of：First, the flight parameter periodically in collection pilot's practical flight, the flight parameter includes sampling instant, longitude, latitude, height；2nd, row interpolation is entered to four-dimensional flight plan track according to sampling instant, obtains the coordinate of the four-dimensional flight plan track interpolation point corresponding to each sampling instant；3rd, by the probability metrics between the coordinate of the flight parameter in the practical flight that is obtained to same sampling instant and four-dimensional flight plan track interpolation point come the transient-flight performance of test flight person；4th, pilot is weighted the overall performance of average acquisition in all transient-flight performance of practical flight process.This method only needs to gather flight parameter, pilot's practical flight performance can be just estimated according to the four-dimensional flight plan pre-established, break away from the drawbacks of can only could carrying out performance evaluation in laboratory environments in the past.
Description
Technical field
It is specifically that one kind is used to enter pilot flight's performance the present invention relates to a kind of a kind of appraisal procedure of aviation field
The method that row is assessed.
Background technology
With the development of China's Aerobiz, the demand to pilot is also increasing, airmanship, warp to pilot
The assessment i.e. assessment of flight performance with ability is tested, is become more and more important.Assessment to pilot flight's performance can be used
Such as eye position instrument, brain wave acquisition device, ECG collection device are installed, flown in laboratory conditions with certain test case
The examination of the performance such as office staff's driving proficiency, adaptability to changes.Secondly, can be using subjective evaluation and test, as using checklist
Method, that is, allow experienced pilotinstructorpiston to examine the flight performance of pilot.Equally, can also be by above two method
It is combined the subjective and objective performance appraisal being combined of progress.Deposited however, carrying out performance appraisal to pilot among practical flight
In difficulty, because installing the normal driving that above-mentioned data acquisition device influences whether pilot；Subjectivity evaluation and test is easy to bring people into
Subjective taste；The subjective and objective method being combined, which also tends to be limited by device, is difficult to use in real in-flight progress flight achievement
Effect examination.
The content of the invention
The present invention is directed to existing technical problem, and goal of the invention of the invention is to provide a kind of be used for pilot flight
The method that performance is estimated, can carry out the assessment of flight performance, while can also in the case of pilot's normal flight
Performance evaluation is carried out in flight simulation emulator.
The goal of the invention of the present invention is achieved through the following technical solutions：
A kind of method for being estimated to pilot flight's performance, is comprised the steps of：
Step 1: periodically collection pilot's practical flight in flight parameter, the flight parameter include sampling instant,
Longitude, latitude, height；
Step 2: entering row interpolation to four-dimensional flight plan track according to sampling instant, obtain corresponding to each sampling instant
Four-dimensional flight plan track interpolation point coordinate；
Step 3: passing through the flight parameter in the practical flight that is obtained to same sampling instant and four-dimensional flight plan track
Probability metrics between the coordinate of interpolation point carrys out the transient-flight performance of test flight person；
Step 4: pilot is weighted into the overall achievement of average acquisition in all transient-flight performance of practical flight process
Effect.
According to features described above, four corresponding to each sampling instant are obtained in the step 2 by the way of linear interpolation
Tie up the coordinate of flight plan track interpolation point.
According to features described above, the mode of the linear interpolation is：
If PaIt is in taThe flight parameter that sampling instant practical flight is obtained, Lb, LcIt is t on four-dimensional flight plan trackbWith
tcMoment aircraft expects the 4 D trajectory point of the four-dimensional flight plan reached, meets：
(1)ta>tb, and a 4 D trajectory point L on any given four-dimensional flight plan trackx, meet 0≤ta-tb≤ta-
tx；
(2)tc>ta, and a 4 D trajectory point L on any given four-dimensional flight plan trackx, meet 0≤tc-ta≤tx-
ta；
Then taThe corresponding four-dimensional flight plan track interpolation point L ' of sampling instantaFor：
According to features described above, the probability metrics in the step 3 is drawn by using the probabilistic method of recursion, is specially：
The instantaneous performance at k moment is：ξ (k)=μT(k)S-1(k)μ(k)；
Wherein μ (k) and S (k) are obtained by following several formula recursion：
S (k+1)=R+H [FP (k) F'] H'
W (k+1)=[FP (k) F'] H'S (k+1)-1
P (k+1)=FP (k | k) F'-W (k+1) S (k+1) W (k+1) '
WhereinT is to adopt
The sample time,R deviates the longitude variances sigma of four-dimensional flight plan track for permission aircraft2 x, latitude variance
σ2 yWith height variance σ2 hCombination；
InitiallyIt is Z={ Z to remember flight parameter sequence
(0),Z(1)1..., Z (N) }, Z (n)=(xn,yn,hn) it is tnThe flight parameter vector for the practical flight that sampling instant is obtained, xn
For longitude, ynFor latitude, hnFor height, t is rememberednThe corresponding flight parameter of sampling instant is Z (n), with tnSampling instant corresponding four
Dimension flight plan track interpolation point is designated as L ' (n)=(Xn,Yn,Mn), L ' (n) is obtained by interpolation method, note z (n)=(Xn-xn,
0,Yn-yn,0,Mn-hn,0)。
According to features described above, the overall performance isWherein N is the sum of instantaneous performance value, ω (i)
For the corresponding weights of i-th of instantaneous performance, the weights set different according to the complexity of the different legs of four-dimensional flight plan
Value.
The present invention only needs to gather flight parameter, such as position, speed, course, according to the four-dimensional project flight pre-established
Track can be just estimated to pilot's practical flight performance, and achievement can only could be carried out in laboratory environments in the past by having broken away from
The drawbacks of effect is assessed, and the present invention equally can be used for the assessment of the flight performance on flight simulator.
Brief description of the drawings
Fig. 1 is the interpolation that given time is corresponded on four-dimensional flight plan track, practical flight and four-dimensional flight plan track
Tracing point.
Embodiment
Embodiments of the invention are elaborated below in conjunction with the accompanying drawings：The present embodiment using technical solution of the present invention before
Put and implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to down
The embodiment stated.
Step one, the flight parameter periodically in collection pilot practical flight, mainly includes, sampling instant, aircraft
Location parameter, height parameter, the flight parameter vector for remembering collection is Pt(t, x, y, h), wherein t are sampling instant, and x is longitude, y
For latitude, h is height.It is assumed here that the sampling period is T, T=1 seconds.
Step 2, row interpolation is entered to the four-dimensional flight plan track pre-established, is obtained corresponding to each sampling instant
The coordinate of four-dimensional flight path interpolation point.
Described four-dimensional flight plan track refers to determine aircraft in the flight for specifying the moment to be located at specified location and height
Plan, it is made up of a series of four-dimensional flight path points, as shown in Figure 1.Four-dimensional flight path point is position and height outer added-time
Between dimension flight path point, be designated as LtAt the time of (t, x, y, h), wherein t are that aircraft programs reach the four-dimensional flight path point,
X is that longitude y is latitude, and h is height.
In the present embodiment, the present invention is found corresponding with flight path point in practical flight using linear interpolation mode
With the 4 D trajectory point on the four-dimensional flight plan track of sampling instant, it is specially：
If PaIt is in taThe flight parameter that sampling instant practical flight is obtained, Lb, LcIt is t on four-dimensional flight plan trackbWith
tcMoment aircraft expects the four-dimensional flight path point (as shown in Figure 1) reached, meets
(1)ta>tb, and a 4 D trajectory point L on any given four-dimensional flight plan trackx, meet 0≤ta-tb≤ta-
tx；
(2)tc>ta, and a 4 D trajectory point L on any given four-dimensional flight plan trackx, meet 0≤tc-ta≤tx-
ta；
Then taThe corresponding 4 D trajectory interpolation point L ' of sampling instantaFor：
Step 3, the practical flight parameter four-dimensional flight plan corresponding with the sampling instant obtained by each sampling instant
Track interpolation point obtains the instantaneous performance of the sampling instant.
Assuming that the flight parameter sequence of collection is Z={ Z (0), Z (1)1..., Z (N) }, Z (n)=(xn,yn,hn) it is tnAdopt
The parameter vector that the sample moment obtains, xnFor longitude, ynFor latitude, hnFor height.Remember tnThe corresponding flight parameter of sampling instant is Z
(n), the 4 D trajectory interpolation point on corresponding four-dimensional flight plan track is designated as L ' (n)=(Xn,Yn,Mn), L ' (n)
Obtained by linear interpolation mode.Remember z (n)=(Xn-xn,0,Yn-yn,0,Mn-hn, 0), the unit that longitude and latitude is used here is
Degree, height unit is foot, then the instantaneous performance at k moment is：
ξ (k)=μT(k)S-1(k) μ (k),
Wherein μ (k) and S (k) are obtained by following several formula recursion
S (k+1)=R+H [FP (k) F'] H'
W (k+1)=[FP (k) F'] H'S (k+1)-1
P (k+1)=FP (k | k) F'-W (k+1) S (k+1) W (k+1) '
Wherein k=1,2,3 ... N,T is sampling
Time, T=1 here,R makes a reservation for the longitude variance of four-dimensional flight plan track to allow aircraft to deviate
σ2 x, dimension variances sigma2 yWith height variance σ2 hCombination, can by hot-pilot's flight result statistics obtain.Here takeInitial variance
Overall performance is：
Wherein N is the sum of instantaneous performance value, and ω (i) is the corresponding weights of i-th of instantaneous performance, can be counted according to flight
The complexity for drawing different legs manually sets different values.Here ω (i) is set to be always 1, it is believed that the difficulty or ease of each leg
Degree is identical.
Claims (4)
1. a kind of method for being estimated to pilot flight's performance, is comprised the steps of：
Step 1: the flight parameter periodically in collection pilot's practical flight, the flight parameter includes sampling instant, warp
Degree, latitude, height；
Step 2: entering row interpolation to four-dimensional flight plan track according to sampling instant, four corresponding to each sampling instant are obtained
Tie up the coordinate of flight plan track interpolation point；
Step 3: passing through the flight parameter in the practical flight that is obtained to same sampling instant and four-dimensional flight plan track interpolation
Probability metrics between the coordinate of point carrys out the transient-flight performance of test flight person；Wherein, probability metrics is by using recursion
Probabilistic method is drawn, is specially：
The instantaneous performance at k moment is：ξ (k)=μT(k)S-1(k)μ(k)；
Wherein μ (k) and S (k) are obtained by following several formula recursion：
S (k+1)=R+H [FP (k) F'] H'
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WhereinWhen T is sampling
Between,R deviates the longitude variances sigma of four-dimensional flight plan track for permission aircraft2 x, latitude variances sigma2 y
With height variance σ2 hCombination；
InitiallyIt is Z={ Z (0), Z to remember flight parameter sequence
(1)1..., Z (N) }, Z (n)=(xn,yn,hn) it is tnThe flight parameter vector for the practical flight that sampling instant is obtained, xnFor warp
Degree, ynFor latitude, hnFor height, t is rememberednThe corresponding flight parameter of sampling instant is Z (n), with tnSampling instant is corresponding four-dimensional winged
Row planned trajectory interpolation point is designated as L ' (n)=(Xn,Yn,Mn), L ' (n) is obtained by interpolation method, note z (n)=(Xn-xn,0,
Yn-yn,0,Mn-hn,0)；
Step 4: pilot is weighted into the overall performance of average acquisition in all transient-flight performance of practical flight process.
2. according to the method described in claim 1, it is characterised in that obtain every by the way of linear interpolation in the step 2
The coordinate of four-dimensional flight plan track interpolation point corresponding to individual sampling instant.
3. method according to claim 2, it is characterised in that the mode of the linear interpolation is：
If PaIt is in taThe flight parameter that sampling instant practical flight is obtained, Lb, LcIt is t on four-dimensional flight plan trackbAnd tcWhen
The 4 D trajectory point that aircraft expects the four-dimensional flight plan reached is carved, is met：
(1)ta>tb, and a 4 D trajectory point L on any given four-dimensional flight plan trackx, meet 0≤ta-tb≤ta-tx；
(2)tc>ta, and a 4 D trajectory point L on any given four-dimensional flight plan trackx, meet 0≤tc-ta≤tx-ta；
Then taThe corresponding four-dimensional flight plan track interpolation point L ' of sampling instantaFor：
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4. according to the method described in claim 1, it is characterised in that the overall performance isWherein N is wink
When performance value sum, ω (i) is the corresponding weights of i-th of instantaneous performance, and the weights navigate according to four-dimensional flight plan difference
The complexity of section sets different values.
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| CN106528314B (en) * | 2016-11-02 | 2019-05-17 | 飞友科技有限公司 | A kind of processing method for the concussion of aircraft flight path data jump |
| CN107356940A (en) * | 2017-08-11 | 2017-11-17 | 四川联丰云网科技有限公司 | Low-altitude surveillance system based on Beidou satellite communication |
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| US6885334B1 (en) * | 2004-04-06 | 2005-04-26 | Honeywell International Inc. | Methods and systems for detecting forward obstacles |
| CN101572019A (en) * | 2009-06-01 | 2009-11-04 | 民航数据通信有限责任公司 | Radar track fitting and statistical analysis device |
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| US6885334B1 (en) * | 2004-04-06 | 2005-04-26 | Honeywell International Inc. | Methods and systems for detecting forward obstacles |
| CN101572019A (en) * | 2009-06-01 | 2009-11-04 | 民航数据通信有限责任公司 | Radar track fitting and statistical analysis device |
| CN102053563A (en) * | 2010-12-27 | 2011-05-11 | 刘宇 | Flight training data acquisition and quality evaluation system of analog machine |
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| 基于机载记录数据的飞行航迹实现和评估方法研究;吴金栋;《万方学位论文》;20081229;第37-40页 * |
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Inventor after: Di Ming Inventor after: Gu Qingfan Inventor after: Wang Jinyan Inventor after: Deng Pingyu Inventor after: Zhou Haiyan Inventor after: Gu Haibo Inventor after: Liu Chuanyi Inventor before: Di Ming Inventor before: Gu Qingfan Inventor before: Zhou Haiyan Inventor before: Gu Haibo Inventor before: Liu Chuanyi |
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Effective date of registration: 20220527 Address after: 200241 Building 5, No. 432, ziyue Road, Minhang District, Shanghai Patentee after: Shanghai avionics Co.,Ltd. Address before: 432 Guiping Road, Xuhui District, Shanghai, 2003 Patentee before: CHINA AERONAUTICAL RADIO ELECTRONICS Research Institute |